Wait! This is actually a good episode! It turns out that America’s 48,000 miles of superhighways – possibly the largest civil works project in the history of humanity – may have also ruined what made America a cool place.
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Scurvy seems like a terrible way to go: Your gums swell so you can’t eat, your teeth fall out and your brain and/or heart hemorrhages. Fortunately, all you need is an orange to cure you. Or some – blech – broccoli.
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If you live in the Northeastern U.S. then you may know someone who has had Lyme disease. But it's spreading all over the country and parts of the world. Learn all about this tick-borne disease today.
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Whether it's oral, scrawled in blood or signed on a deathbed everyone should have a will. But how do they actually work? Join Chuck and Josh as they explain that "of sound mind" thing in this classic episode.
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Special effects have been around since the first movies. In fact, the techniques the earliest filmmakers created are still around today, we just use computers to do them faster and cheaper. Put on your beret and get ready for SYSK film class.
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Oh, the papasan. What a chair! But where did it come from? And what does the name mean? The answers lie within.
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Every year Congress decides how the federal government will spend money. Simple enough, but in practice politics tend to mess it up. Sometimes it gets so messy the budget doesn’t get passed and parts of the government shut down. Then the hurting begins.
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Although most people who've used Ouija boards don't think they're communicating with the beyond, there is something mysterious about how it works. Learn the ins and outs of the popular parlor game that sprang directly from the 19th-century spiritualism movement in this classic episode.
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MSG got a bad rap in the 70s and 80s. But what is it exactly and how bad is it for you? The answers to those questions lie within.
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Barbed wire changed the Western US as much as the railroad and the six-shooter. Before barbed wire arrived, the West was free and open; after, the West became concentrated in the hands of a few big ranchers. No wonder it was called “devil’s rope.”
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Any movie featuring a deranged killer who’s perversely devoted to his mother and makes things out of human skin has a real-life person named Ed Gein to thank for inspiration. He was Buffalo Bill, Norman Bates, and Leatherface all rolled into one.
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Icebergs: floating chunks of ice. True, but whoa there. Scientists are learning that there's a lot more to icebergs. Appropriately enough, we've only come to understand the tip of the iceberg and recent research shows there's plenty more to uncover.
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Rubik's Cubes. Ronald Reagan. Jerry Falwell. Just Say No. One of these things was awesome. Take a guess and hop on board the 80s train.
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Did you know there are airline codes for pilots and flight attendants? And some of them have to do with dead bodies on board? Learn all about it today!
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Punk rock really needs about 10 episodes to do it justice, but we'll try and tackle anyway. Learn all about this movement right now.
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Sleep behaviors are pretty fascinating. Some people snore, some grind their teeth -- and some take a little stroll, or perhaps a drive. In this classic episode, Josh and Chuck investigate how sleepwalking, or somnambulism, works.
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Ventriloquism – where a skilled performer “throws” their voice, making it seem like a dummy on their knee is talking – has taken a long, circuitous road from early prophets, to witches, then finally to the stage. Get to the bottom of this uncanny trick.
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Perhaps the most expensive liquid on the planet is the blue blood that comes from horseshoe crabs. Researchers realized that horseshoe crab blood could indicate the presence of pathogens and the massive, ongoing horseshoe crab harvest began.
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The nuclear waste we produce will be dangerous for a very long time. We’ve figured out how to safely store it in the earth until it’s no longer a biohazard. Now we just have to figure out how to warn humans 10,000 years in the future to stay away from it.
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There's a secret war going on around us, and it's happening on a daily basis. The Air Force has a unit specifically designed to carry out and defend against cyberwar. Go deep into this alarming type of war in this classic episode.
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Josh and Chuck have tackled a lot of drugs on the show, but peyote has loomed like a bad Jim Morrison poem. Learn all about this plant today.
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You know that amazing smell when it rains? Kind of clean, kind of earthy, one of a kind? It turns out that a miracle of nature produces it.
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We’ve been promised solar energy for a while now – where is it? Turns out, it’s been quietly and steadily growing across the world. And with a few breakthroughs, we just may be able to say goodbye to fossil fuels. Learn about sun-based energy in this episode.
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Shotgun houses are iconic pieces of American architecture: they're long, narrow, and filled with artistic flourishes. But where did they come from? Join Chuck and Josh and explore the mysterious origins of shotgun houses.
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As the operation expands it also begins to unravel. Word starts to leak out of the illegal stuff the Reagan administration was up to, Congress and the press investigate and people start to point fingers. Spoiler alert – they all got off scot free.
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Time zones are a pain. Let's get rid of them! Can we? Sure!
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When Ronald Reagan was president, America got involved in some deeply shady stuff, not the least of which was the Iran-Contra scandal – a convoluted operation that managed to combine an illegal covert war in Nicaragua with secretly selling arms to Iran.
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The Black Death was gruesome: Symptoms included tumors, purple splotches, fevers and vomiting. But how did this disease manage to spread from the Gobi desert and kill approximately one-third of the population of 14th-century Europe? Find out in this classic episode.
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A pair of old timey fossil hunters had a rootin’ tootin’ rivalry that spilled from academic journals into the American Wild West - where fossils were dynamited and employees turned double agent. Learn about the two-fisted origins of American paleontology.
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In 1965, a 456-pound man walked into a hospital in Scotland and asked for help with a fast. That was the last day he ate for more than a year. Learn about the medical marvel that was Angus Barbieri.
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Very recently, thanks to a new type of AI, it’s gotten much easier to create convincingly realistic videos of people saying and doing things they’ve never said or done. Will fake videos undermine our shared sense of reality and lead to the death of truth?
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There's no question that human cannonballs are daredevils. They pack themselves into the confines of huge cannons, which shoot them into the air. But how does it work? Join Josh and Chuck to learn more about the bizarre performances of human cannonballs.
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Few things are more compelling than a witness pointing out a defendant in the courtroom as the perpetrator. But few things are also more unreliable than eyewitness testimony. Our memories can be pretty terrible, which matters when you’re facing death row.
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This week we highlight another little known historical hero. In this case, a Portuguese diplomat who rescued people from Nazi Germany, at his own peril. Dig in and spread the word of Aristides de Sousa Mendes.
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Believe it or not, in 1985 the Philadelphia Police Department dropped a bomb from a helicopter onto a residential building in an African-American neighborhood. The fact that this story isn't more widely known says it all. Listen and learn about MOVE today.
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Back in the mid-1980s a new and extremely potent drug hit the scene: crack cocaine. In short order, America was in the grip of both a sweeping addiction and a state of hysteria over use of the drug and the social consequences of crack, like crack babies. Let's take a look back at the receding wave of the crack epidemic and its lasting legacy on America in this classic episode.
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Sand dunes are exactly what you think they are. But still pretty interesting. Learn all about them right now!
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After the Vietnam War, the Hmong people told the world a toxic weapon was being used on them. Thus began a mystery that still remains today, which might have been solved when it was chalked up to bee poop.
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Fifty years ago, the first humans stepped onto the moon. After going back a few more times, humanity lost its taste for moon travel. But it’s being revived again. NASA is planning to send humans back to the moon by 2024 and build a moon base by 2028.
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Pretty much everything you know about duels is true - it's a challenge to violence to defend honor. But did you know the U.S. Navy used to publish detailed guidelines in its midshipmen's handbook? Learn all there is to know about dueling in this classic episode.
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Everyone knows sloths are super slow, but do you know they’re slow because their bodies produce an astoundingly small amount of energy? And did you know that might be an adaptation that protects them from predators? Sloths are awesome and we prove it.
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Why we love short stuff - because we can tell stories like this one. A man goes to an island to start a commune of sorts that subsists entirely on coconuts. It didn't go well.
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One of the great misunderstood figures in history was the last pharaoh of Egypt. Cleopatra’s story is almost always told along with the men in her life, and from the view of the Romans who were threatened by her. Unsurprisingly, there was lot more to her.
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What is it that makes us suddenly draw in a deep breath through a wide-open mouth? The beautiful thing about yawning is that researchers really don't know. Whether the answer is physical, mental or even contagious there is pretty much no chance you won't yawn during this classic episode.
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Back in the day, broadcasters were bound by law to provide contrasting opinions on political matters. Why? Because of the Fairness Doctrine. What happened to it? Listen in and find out.
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In today's short stuff, we look at another amazing woman who has all but been ignored by history. The story of Mitsuye Endo.
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Photographic memory is the stuff of movies and TV, but is it real? Sort of. But not really. But kind of. It's a little bit a matter of semantics. Listen in and this will all make sense.
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The term "one-hit wonder" gets thrown around a lot, and - yes - you probably are using it correctly, but Chuck Bryant went to the trouble to really define what makes a one-hit wonder in the article this classic episode is based on. Join him and Josh as they get to the bottom of this disparaging term.
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The Civil Air Patrol is a civilian group of pilots and plane enthusiasts who do a lot of things, namely help out in search and rescue missions. But their history is a bit more colorful. Listen in today!
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Prison food is kind of a joke, like airplane food. But there are real consequences involved. Let's get into it in today's short stuff.
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If you’ve ever heard an old timer gripe that things aren’t built like they used to be, that old timer was right! Learn about the nefarious, possibly mythical, mechanism that’s responsible for the cruddy products and waste our consumer society is based on.
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Did they or didn't they? There is plenty of written evidence that the ill-fated Donner Party resorted to cannibalism - except there are no bones. Learn the details of one of the worst disasters of the early West in this classic episode of Stuff You Should Know.
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As recently as 40,000 years ago we lived among humans from an entirely different species – Neanderthals. About the same time our species showed up, Neanderthals suddenly vanished. Just what happened to the other guys? Did our ancestors do something … bad?
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After a San Francisco real estate mogul went bankrupt, he reinvented himself as the Emperor of the United States – and became the city’s most celebrated resident.
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In the early 90s, a new study that found that kids who are exposed to more germs early in life are less likely to develop allergies later. With the West in the grip of a full-blown immunity crisis (still going on today), this was an interesting thought.
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For a while in the 1980s, people were fascinated and confused about what exactly crop circles were. Now we know that they aren't signs left from aliens, but art made by humans. Learn all about these stunning, large form art installations in today's episode.
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The secret military base Area 51 is inextricably linked to every secret, shady project the US government is rumored to be involved in – from reverse-engineering alien technology to coordinating a one-world government. The truth is much more mundane.
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Were smoke signals real or a Hollywood invention? Turns out, they were indeed a thing and invented by the Chinese, even.
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The gig economy is not new, but it's bigger than ever. Is that a good thing? We'll discuss that today!
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There is an extremely rare condition where the sufferer is convinced that everyone around him is an impostor posing as their friends and family. Learn about the neurology behind this strange and sad mental disorder in this episode.
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At times when people accepted the status quo without question, some rebels have dared to resist. When a cause is noble, it often pays to be unpopular. Listen to Unpopular every Tuesday.
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Perfect pitch, or absolute pitch, is when you can sing a note with no reference from other notes, perfectly on key. Is it an asset? Chuck says yes. Learn all about this musical rarity today.
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Did the legendary blues singer really sell his soul to the devil in exchange for amazing musical skills? Probably not! But there’s still an interesting story there and it features the Coen Brothers.
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Barcodes are everywhere. Those little lines and numbers that make up one of the most recognizable barcodes, the UPC, was designed to make going to the grocery a lot less miserable. It ended up becoming the central symbol of the global economy.
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Ever wonder why some great shows go off the air after a season or less? Blame it on the Nielsen company, which has for more than 60 years been the almost exclusive decider of what goes and what stays on TV.
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The panic that began in Chicago spreads and begins to change the world. The investigation into the murders turns up leads and suspects, but still no one has ever been charged with the murders. It remains unsolved to this day.
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You know how some older married couples (sorry, senior adult married couples) start to look alike over time? That’s a really weird phenomenon if you think about it. So science has looked into it and they think they kind of have it figured out.
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On one terrible day in Chicago in 1982, seven people died suddenly and mysteriously. In just a matter of hours, it becomes clear, someone has poisoned bottles of Extra-Strength Tylenol, one of the most trusted and widely-used products in America.
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Over the course of our lives, 80 percent of us will experience acne. Ultimately, acne comes down to one thing, a blockage in the sebaceous gland. Learn what makes a blackhead black, and everything else about zits, in this pus-filled episode of SYSK.
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Tin Pan Alley was an area of New York around the beginning of the 20th Century that served as ground zero for the earliest iterations of the music publishing industry. Learn all about this unique place and time right now.
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Did you know that former president James Polk had his final resting place moved twice? It's true! And almost a third time even. Let's go listen to some short stuff.
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In a new age shop or on display at the Smithsonian, there are varying interpretations of what crystals can be used for. But at their base, they are a thumb in the eye to entropy, a perfectly ordered piece of matter.
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Lost materials, dropped threads, forgotten stories. Ephemera in the way that it’s intertwined in our lives. All those things, tangible and intangible, that you wish you could take just one more look at before they vanish into the past. Listen wherever podcasts are found and learn more at www.ephemeral.show
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Chuck and Josh have covered just about every aspect of death except dying itself. Here, they fulfill the death suite of podcasts with an in-depth look at just how people die, what happens to the body during the dying process and how people accept death -- and what they regret not having done while they lived.
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Some guys have all the luck, some guys have all the pain. So said Rod Stewart. And if this list is any indication, “guys” is gender neutral. Listen to this episode as Chuck and Josh cover some instances of amazingly bad fortune, most of it true!
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Honorary degrees are not real degrees. They are marketing opportunities for universities. They make us mad, but we want one. Learn all about them in the next 12-15 minutes.
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The world’s loved trampolines since they were invented by a pair of acrobats in Iowa in the 30s – so much so, trampolining is now an Olympic event. What people don’t love about trampolines is their propensity to cause paralysis, brain injuries and death.
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Instead of actually detecting lies, polygraph machines sense physiological variations, ostensibly brought on by guilt. The results are subject to interpretation, and therefore controversial. Join Josh and Chuck as they investigate the polygraph.
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The world takes $40 billion of dietary supplements – from vitamin A to yohimbe bark – every year. Yet, the jury is still out on whether most of them work. In America, the FDA isn’t allowed to approve supplements, and no one can say what is in your pills.
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What's in a nickname? Sometimes they make sense, sometimes they don't. Let's get our shorty on and find out the deal.
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Live Aid was a revolutionary concert event in two countries in 1985 that spanned the world via satellite. The brainchild of musician Bob Geldof, it really did help change the world in many ways, but its direct impact on Ethiopian famine relief remains in question. Listen and learn today!
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About 2,400 years ago Aristotle mentions the use of diving bells, apparatuses that convey divers to the bottom of the sea -- or at least below the surface of the water -- and allows them to breathe -- at least until the air runs out. Learn about the physics of this clever and ancient invention and how it's been used to sabotage enemy boats and build the Brooklyn Bridge.
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It’s bad enough when the government knows you’re alive – there are taxes to pay, laws to be followed, all sorts of boring and unpleasant things. But each year, thousands of Americans find out life is far, far worse when the government thinks you are dead.
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There are people out there who believe that there’s something special about the number 23. Exactly what? Who knows. Exactly why? Because it pops up a lot. But does it? Who knows.
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Michael Dillon was a lot of things - author, doctor, and most importantly, trans pioneer. Learn all about his story in today's episode.
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Few numbers have as storied a past as zero. Even fewer have had as great an impact on our ability to understand our universe. Yet zero is a relatively recent arrival in math. Find out all about this surprisingly fascinating number with Chuck and Josh.
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One of the off-putting byproducts of 19th century European colonialism were human zoos, living dioramas of people from far-away places made to be gawked at. Listen in to what the deeper meaning of humans zoos held people on both sides of the glass.
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Speaking in public is frequently cited as people’s number one fear, even more fearful than death. Most people go through life avoiding public speaking, but it turns out that only makes things worse. The best medicine? Public speaking.
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There have been a lot of studies over the years regarding birth order. Some conclude that it's a big deal, while others more or less discount its importance. Learn all about it today.
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For millennia people used marijuana for fun and medicine. Not until the 20th century that was it vilified, unfairly say many. Weed has done lots of good things, from alleviating cancer symptoms to unlocking secrets of the brain. Learn all about pot here.
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And now for something completely different. Just kidding – tune in to hear the thrilling conclusion of America’s most amazing public works project in the 20th century.
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Did Australians really wage war on a group of emus? YES. Learn all about it in today's short stuff.
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It’s one of America’s biggest accomplishments in the 20th century, a slab of concrete holding back one of the country’s most finicky rivers, providing water and electricity to a swath of majors cities that otherwise couldn’t exist.
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You may have played with a yo-yo before -- perhaps you've even walked the dog -- but do you know about the physics behind what makes a yo-yo sleep and wake up? Learn all about inertia, angular momentum and the history of the yo-yo in this episode of SYSK.
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The electric chair is an all-American invention. It spread almost nowhere else in the world as a capital punishment but worked overtime in the States. Despite the terrible sights and sounds an electrocution produces, it was created out of humaneness.
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In 1980 something catastrophic happened to the quiet town of New Iberia, Louisiana. Their wide, shallow lake grew much deeper after it underwent an apocalyptic transformation.
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Free range parenting is all about giving your child the freedom to play and explore life on their own. Are there benefits? Sure. Do some people hate the concept? Yes! Listen and learn right here.
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For about 375 million years, plants have been using pollen (aka plant sperm) to propagate their species. And the technique has stuck around because it works. Join Chuck and Josh for a cozy look at the ins and outs of plant reproduction.
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Nazis were bad people. And it turns out a lot of them were high as kites on speed. Was this a recipe for disaster? Yes it was.
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Have you ever wondered what happens to all those campaign donations when a political campaign goes belly up? Or, even worse, is in debt! Wonder no more!
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Rape kits are simple forensic evidence collection kits used when someone is sexually assaulted. But the story is deeper than this. Learn all about rape kits, the sad backlog problem, and what you can do to help, in today's episode.
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Immigration systems regulate the flow of foreign immigrants into any given country. But why is immigration such a controversial topic, especially in the United States? In this episode, Josh and Chuck delve into the details and debate behind immigration.
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The Etch A Sketch is yet another classic toy that Josh and Chuck love and respect. Learn all about this Hall of Fame entry today.
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Elvis really did meet with Richard Nixon. Because Elvis wanted to help fight the drug trade. True story. Hear about it in today's short stuff.
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Anyone who likes Led Zeppelin, plays Dungeons & Dragons, or worships the rising sun at Stonehenge on the vernal equinox can tell you druids are cool. But archaeologists will tell you we can’t even be certain druids existed. Buckle in for a history mystery!
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It wasn't until the was developed and despite its co-existence alongside English, a user would be hard-pressed to sign with a British person. Find out about the independent evolution of sign language in the U.S. and how intuitively sensible it is.
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Disgust is an odd thing. It makes sense that we would feel a sense of revulsion at the thought of putting rotten meat in our mouths – that’s pure evolution. But why would we feel the same emotion at the thought of weird sex or from hearing a racist rant?
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Mr. Sandman, bring me a dream! But who is the sandman? We'll tell you in today's edition of short stuff.
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The chances are pretty low that you’ll find yourself lost in the desert, but on the off chance you do you’ll thank yourself that you listened to this episode, where we guide you to safety.
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While the search for Atlantis has been pushed to the fringes since the 19th century, archaeologists have quietly pursued cities that may have inspired Plato to fabricate the mythical city. It looks like a team in Greece has found it.
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In the summer of 1858, a heatwave dried up the Thames River to a trickle in London. As centuries’ worth of human waste, animal carcasses and other nasty things cooked in the sun, a stench arose that was so horrific it got its own name: The Great Stink.
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We eradicated bedbugs so thoroughly in the 50s that generations who came later suspected they weren’t anymore real than jackalopes and snipes. But since we banned DDT, the pesticide that kills bedbugs best, they’re back again. And they’re terrible.
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The trial of Sacco and Vanzetti, two anarchists accused of murder, was one of the first "crimes of the century." But did they do it? To this day there is speculation that they did not. Learn all about this famous case in today's episode.
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Wildfires consume an annual average of 5 million acres in the US. But what causes wildfires? How do they become so powerful? More importantly, how do we fight them? Join Josh and Chuck as they take you to the frontlines of the fight against wildfires.
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For a learning disability that everyone seems to know about, dyslexia is maybe the most commonly misunderstood and controversial cognitive difficulty there is. Some people think it’s a gift, some people think it doesn’t even exist.
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What's the deal with the wigs in the English court system? Learn all about it in today's short stuff.
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ASMR is soothing to some, maddening to others. Learn all about these whisper tones in today's episode.
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It's on more than one list of the Seven Wonders of the World and for good reason - the Panama Canal is one of the great feats of engineering ever undertaken. First conceived of in the 1580s and finally completed in 1914, the canal has a fascinating history (including a stint where it was considered U.S. soil). Learn all about it on this episode.
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The Tuskegee Airmen braved racism and brutally tough training in order to secure their spot in American history as the first African-American military pilots. Listen in today to the story of their determination and heroism.
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The Black Loyalists were a group of Colonial slaves who fought for their freedom alongside the British. Learn all about this nearly forgotten group in today's Short Stuff.
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Breaking up is hard to do. Your brain might even think you're getting over a cocaine addiction. Learn all about the science behind break-ups today!
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They may be the most famous explorers in U.S. history, but there are plenty of interesting details to the Lewis and Clark expedition that history has allowed to fade. Learn about the origin and the aftermath of America's first early push Westward in this episode.
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In the universe things tend to cluster. This means there’s a coherent structure to the universe and learning about clusters of stars – galaxies - helps us figure out what that structure is. Join Chuck and Josh on an amazing space voyage!
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If you’ve ever had a bumpy airplane ride, you know it’s nothing fun. But have you ever noticed that the pilots sometimes tell you ahead of time to buckle in? How do they know turbulence is ahead? Are they some kind of fortune teller? How can anyone see wind?
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We've covered Nessie and Bigfoot, so why not tackle the Yeti? Listen in today and Josh and Chuck cover what used to be known as the Abominable Snowman.
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Interpol is an international police agency that helps other law-enforcement agencies track criminals who operate across national borders -- but how does it work, exactly? Join the guys as they delve into the world of global law enforcement.
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Elephants are pretty much the best. Why? Josh and Chuck will let you know in great detail in today's episode.
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In the 18th century, Spain and England fought each other in the colonies of Georgia and Florida, a war kicked off by an English sea captain who was mad his ear had been perhaps unfairly lopped off.
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People have believed something strange lives in Loch Ness for at least 3500 years. Thousands of people have sighted the Loch Ness Monster and dozens of expeditions have been launched. But does the fact that nothing’s been found mean it’s not real?
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Coral reefs are the largest organic structures on Earth, yet they're created through a symbiotic relationship between creatures about 3 millimeters long. Learn more about the the world's coral reefs (and how to protect them) in this episode.
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In 2018, director Spike Lee brought the story of Ron Stallworth to the big screen to great effect. Today, Josh and Chuck discuss the true story behind the Oscar nominated film.
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Who is Ellen Richards? One of the most unsung scientists of all time, that's who. Her contribution? Bringing real science into the household and forcing the world to take "home-ec" seriously. We celebrate her today on Short Stuff.
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Stalking has only recently been recognized for what it is – a profound form of psychological abuse where the victim’s life is “infected” by the stalker, as one survivor put it. Stalking can go on for years, and in some cases may be the prelude to murder.
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Although they seem pretty mundane, saunas are surprisingly fascinating inventions. Josh and Chuck break out all sorts of sweaty, sauna-related trivia, from the Finnish affinity for saunas to sauna etiquette, in this episode.
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Central Park in Manhattan was America’s first landscaped public park, built at a time when New Yorkers’ only option for getting some fresh air was hanging around cemeteries. Get all the info about this beautiful icon and how it’s served as a landscape for class struggles over three centuries.
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Johnny Appleseed was real! And he was about as amazing as the legend paints him. He really did plant apple trees all over America and if the feds hadn’t chopped them down during Prohibition, they’d still be around. Learn what we mean in this episode.
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While Asia is well-known for being cuckoo for Ping Pong, the game was actually invented by bored British Victorian aristocrats. Go back and forth about Ping Pong’s place in the world with Chuck and Josh.
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Science has a handle on fireflies and glowworms, but most bioluminescent animals live in the ocean and are tough to study. Today, researchers are still figuring out why some animals produce light. Dive with Josh and Chuck into this illuminating topic.
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Betsy Ross is an American icon to many, the seamstress who sewed the first U.S. flag because of a personal commission from George Washington. But is it true? Sort of. Learn all about this fascinating story today.
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Is thread count all it's cracked up to be? Listen in and find out in today's edition of Short Stuff!
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There’s no way you haven’t had one of their breakfast cereals, but we bet you don’t know the story behind the two brothers who brought the world corn flakes. Buckle in for a lot of talk about poop, religion and masturbation, live from Sydney, Australia.
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Lobotomies -- brain surgeries to relieve psychiatric problems -- are rarely performed today, but they were once fairly common. Tune in to learn more about the controversial history and practice of lobotomies.
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A lot of people in Hitler's inner circle wanted him dead toward the end of the war. But he proved impossible to kill from within. Listen in today as Josh and Chuck dig into the infamous July 20th plot to blow up Der Führer.
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In the 90s a fat free miracle food came out that promised we could eat all we wanted and not gain weight. But there was a caveat: it could also make your bowels unpleasantly loose.
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It turns out that the inflatable bag of air that shoots out of your steering wheel or dashboard is the result of a controlled explosion of solid fuel, just like in a rocket – aimed for your face.
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Up to 24 million people worldwide have schizophrenia. Despite the vast amounts of research, the disorder remains mysterious. In this episode, Josh and Chuck delve into the nature of schizophrenia, from the history of the disorder to the latest research.
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In 2005 a woman named Anna Alaya discovered a length of human finger – nail and all – in her Wendy’s chili. Her cries of disgust would set off a media firestorm, a criminal investigation and a prison sentence for her and her husband.
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First things, first: Take that oil change reminder sticker off your windshield and throw it away forever and never look back!
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The Spanish Flu killed anywhere from 20-100 million or more people over 1918/1919. All of this played out with World War I in the foreground, one big reason why the flu spread so far, so fast. Learn all about this devastating pandemic in today's episode.
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Why would someone fake an illness? Here's an even better question: Why would someone repeatedly make themselves sick? Join Josh and Chuck as they separate the facts from fiction and give you the scoop on Munchausen syndrome.
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In 1908, the most powerful meteoroid explosion in recorded history happened over a remote area of Siberia. But the weird thing is there was no impact crater and no asteroid to be found – so was it an asteroid? (Yes.)
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Listen in to learn all about the fascinating "language" of the Incan khipu knotted ropes.
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Tune in today to learn all about the legendary NYC Rockettes, who actually got their start in Missouri.
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A fossil is a piece of once-living organic material that has undergone a transition from an organic state to an inorganic state. But what exactly is fossilization? Listen in as Josh and Chuck break down the process of fossilization.
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The Seuss is loose in this episode about legendary children's book author Ted Geisel. The funny thing is, he didn't ever want children of his own, and his past work was a bit problematic.
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How much do you know about the brain-bladder connection? In about 15 minutes, it'll be a lot more.
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This year, Josh and Chuck go live for their annual Christmas Spectacular. Recorded from the Center Stage Theater in Atlanta, pour up some eggnog, light a fire and enjoy this live show with the whole family.
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Long ago, in a galaxy not so far away, George Lucas allowed the Star Wars Holiday Special to be made. What happened on the night of November 17, 1978 can never be fully explained, but we make our best effort in a very special edition of SYSK. May the force be with us all.
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If you play video games you probably have an easy answer to worst game of all time: ET. But it turns out there are no easy answers, especially when you’re talking about a game so terrible it’s blamed for bringing the entire video game industry with it.
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Amazingly, it turns out that every snowflake truly is unique. Math backs it up.
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Sometimes a good idea doesn’t pan out in real life. Take Buckminster Fuller’s geodesic dome: It requires less energy to heat and cool, it’s cheap, and it’s durable enough to withstand a hurricane – but it’s also godawful ugly and that was its undoing.
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Igloos were traditionally used by Inuit Indians as temporary shelter while on hunting and fishing trips. In this episode, Josh and Chuck look at the design of igloos, from their impressive heat-catching properties to their ingenious construction.
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Good samaritan laws have been around for many years, helping to provide legal protections for people who try to help other people. But do they work? Decide for yourself today!
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Did you know that the friendly, smiling Buddha we all know from bars and restaurants isn't really Buddha?
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One day in the Amazon Basin, a shaman put together a plant containing DMT with a vine that allows the body to absorb DMT. The combination, a foul-tasting, wildly hallucinogenic brew called ayahuasca, has changed cultures throughout the Americas.
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Due to a condition known as Thomsen's disease, the muscles of fainting goats tense up whenever the animal is startled. In this episode, Josh and Chuck break down the science behind this bizarre condition.
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The Parents Music Resource Center in the 1980s was really just censorship in disguise. But it kind of backfired. Learn all about Tipper Gore's crusade in today's episode.
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They don’t actually disarm mines, but navies around the world use dolphins to find and tag sea mines so humans can disarm the mines themselves. But even if it’s safe, is it ethical?
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All dogs are great, but some dogs work harder than others. Or play harder, depending on your view. Learn all about the good boys and girls who find lost people and recover bodies to bring humans peace and closure.
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Epigenetics is a fascinating field of genetics that studies how the epigenome and environmental, nutritional and social factors affect gene expression. Josh and Chuck explain how epigenetics works in this episode.
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Join Josh and Chuck today as they go down the sport shoe rabbit hole, detailing the strange tail of the brothers who brought Puma and Adidas to the world. Sibling rivalry, Nazis, shoes - there's a lot to unpack here.
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Two men once had a dream - to add smell to the internet. And they almost gave it to us.
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In WWII the US Marines devised an unbreakable code-within-a-code made from Navajo, one of the most linguistically difficult languages in the world. A handful of Navajos sent messages on the frontlines in a language they’d been forbidden to speak as school kids.
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On the day after Thanksgiving, Americans go kind of crazy for the deep discount sales that kick off the holiday shopping season in stores. So crazy, in fact, at least four people have lost their lives and as many as 63 others have been injured during Black Friday sales. But as profitable as Black Friday is, some retailers are thinking about discontinuing the tradition to find ways to make even more money. Learn all about this bizarre, uniquely American holiday custom in this episode.
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Who doesn't love fire engines? We certainly do. So much that we geeked out on this one in a big way. Enjoy!
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Safety pins are so ubiquitous, we take them for granted. But that’s the genius of their design – they work so intuitively they might as well have come from nature. Instead, they were invented by a man who never went to the trouble of patenting them.
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You know that heartbreak of the schoolyard – finders keepers, losers weepers? That’s actual law in a great many grown up places. Enter the murky legal world of finding something that belongs to someone else, from buried treasure to a misplaced ring.
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In this episode of Stuff You Should Know, Josh and Chuck discuss kleptomania, a disorder in which people have an overwhelming impulse to steal unnecessary items.
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Olive oil is one of Mother Nature's greatest gifts to humanity. Learn everything you ever wanted to know about the NUMBER ONE OIL, right here, right now.
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Ever wonder where lemonade came from? Let’s up the stakes a little, what about pink lemonade? Well wonder no more! Join Josh and Chuck as they (briefly) cover the history of putting lemons together with sugar and water and coming up with something great.
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In Utah, lives a 106-acre stand of Quaking Aspen trees that are all genetically identical because they are all growing from the same massive root system. It’s Pando, the most massive, and almost certainly oldest (by far) organism on Earth.
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Sure it's everywhere and there's a more-than-90-percent chance you eat it once a month. But we'll bet you don't know the full history of that pizza (or tomato pie) you're about to chow down on. Join Chuck and Josh as they explain it to you, bite by bite.
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Yogurt has been touted as a health food, but is it? Maybe. If you eat it every day. We get into the rich and creamy history of this supposed miracle food in today's episode. Take a listen!
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A vomitorium was a place where ancient Romans went to make themselves throw up after gorging themselves at a sumptuous banquet. Everybody knows that. Except that’s not true at all. Learn about what vomitoria were in this episode and impress your friends.
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War masks were made for soldiers in WWI who had horrible accidents that left their faces sometimes unrecognizable. Though it may seem rudimentary today, they went a long way in restoring their dignity. Learn all about them today.
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You can probably name the five stages of grief - from denial to acceptance - they've become pretty well known since being proposed in 1969. But later researchers are finding that grief is rarely that cut and dried, and it may not be as widely experienced as we once thought. Join Josh and Chuck as they look at the sad science of grief.
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Easy Bake Ovens are as iconic as a toy can get, as American as apple pie or baseball. Learn all about these light bulb cooking, working ovens that endanger children to this day.
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Labor Day, the day when most people in America paradoxically take off work, is actually rooted in some deeply radical and anarchistic thinking. Learn all about this most subversive of American holidays in this episode of Short Stuff.
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It’s Halloween again and Chuck and Josh want to creep you out. Listen to two great classic horror stories, dripping with Jeri’s creeptastic audio stylings. Guaranteed to put you in the holiday spirit.
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After her daughter and husband died, heiress Sarah Winchester became obsessed with the idea that spirits haunted her and to appease them she had to have a house continuously built for them. So she did - 24 hours a day for 38 years.
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In early 1975, the world was introduced to George and Kathy Lutz, a couple who had fled their home in Amityville, NY to escape a powerful, evil supernatural presence living there. And this being the 70s, the world went nuts for their story.
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If you live in a big city in a cold climate, you should keep an eye out for 100-pound cast-iron manhole covers suddenly launching 50 feet into the air. It’s unnervingly common and we’ll tell you why.
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A seizure is like an electrical overload in the brain – when it gets overwhelmed, it just shuts down and resets itself. But imagine being susceptible to these overloads, where one could come at any time with little or no warning. That is epilepsy.
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For thousands of years humankind has pursued the enhancement of sexual pleasure and performance through a plethora of medicines and practices -- but how many aphrodisiacs actually work?
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Waterbeds came and went pretty quickly in the United States, but despite their marketing as sex beds, they were actually invented to deliver a great night's sleep. Learn all about these super 70's beds in today's episode.
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There’s a commonly-held belief in Korea that if you fall asleep with a fan blowing on your face you may die in your sleep from it. And while this idea is found nowhere else in the world, Korean culture has come up with some interesting explanations.
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Is it true that Robin Hood hung out in Sherwood Forest and stole from the rich to give to the poor? No. No, it’s not. Find out the real story in this episode.
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Today, millions of people around the world are homeless. In this classic episode, Josh and Chuck take a look at homelessness in the United States, discussing everything from the factors that lead to homelessness to what you can do to help alleviate the situation.
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Few things are more ironic than an invention killing its creator. The stories behind real life cases of death-by-invention are pretty interesting too. Pull up a chair and hear about a few from Josh and Chuck.
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Did you know that the United States has had one Vice-President who was sworn in on foreign soil? Well it turns out that may be the least interesting part of the story of William Rufus King.
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You’d have to be crazy to try to run 26.2 miles in a single stretch, right? Right. But people still try it anyway. And a lot of them even survive! Find out all about the pitfalls of marathons and the obsession they can inspire in this episode.
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Since the Supreme Court's ban on capital punishment was reversed, states have sought a humane method of killing sentenced criminals. They settled on lethal injection, but is this quasi-medical means of killing as quick and painless as we think?
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Just a couple years ago, algae was touted as the green, plentiful biofuel of the future. But that didn’t pan out. Why? And is algae down for the count? Don’t bet on it. Only a fool would bet against green water.
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If you've ever wondered why a grandfather clock is called a grandfather clock and you have 12 minutes to spare, this is your lucky day. Listen in to the brand new Short Stuff series. It's everything you want from Josh and Chuck, and less!
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The concorde was a wonderful thing, a super fast commerical airliner that got you across the pond in half the time. But it was small and cramped, noisy and a big money loser. Climb aboard and get ready for Mach 1.
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You know when you drop a piece of food and if you pick it up within five seconds it's still good to eat? Researchers have studied whether that's true or not and in doing so have inadvertently shone a light on how utterly covered our world is with bacteria and germs. Prepare to shudder in this episode of Stuff You Should Know.
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Chuck and Josh take on astrophysics again and this time it pans out well. It turns out that there simply isn’t enough matter in the universe to account for its mass. Which is super weird. What is this missing matter? Does it even exist?
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Being colorblind doesn't mean you see in black and white, although in severe cases it can look a bit like that. The condition is on a spectrum ranging from dulled colors to shades of grey. Learn all about what colorblindness means in today's episode.
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Thomas Malthus concluded that humanity is bound to outgrow Earth's carrying capacity. The prediction was based on humanity's exponential growth and the linear growth of the food supply -- but was he correct? Tune in to this classic episode to find out.
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In the US, winner-take-all voting has created A LOT of political polarization. But what if rather than voting for one candidate, you could rank all of them so if your first choice doesn’t win, your vote goes to your second choice? So long, polarization!
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They’re as American as Washington, DC yet most people in the US are terrified of them, hate them or both. What is it about traffic circles and roundabouts - which do nothing but safely, inexpensively and greenly direct traffic – that America can’t stand?
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You probably can recite five right now. Commercial jingles are designed to hijack your working memory and implant a product or service and they really work. In this classic episode, learn about the history of these insidious and catchy advertising vehicles with Chuck and Josh.
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Think tanks? More like stink tanks! We're kidding. Think tanks do valuable work, when they operate in a non-partisan way of course. Learn all about the history of these heady institutions today.
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Join Josh and Chuck and a whole bunch of great people at the Gothic Theatre in Denver for this live show on game shows and their place in cultures around the world, recorded on June 28, 2018. You just come right on down, why don’t you?
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Circumcision is a common practice in which the foreskin of a male's penis is removed, typically as a baby. In this classic episode, Josh and Chuck take a look at the origins, practices, and arguments for and against circumcision in this episode.
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What started out as an egg timer at a London pub became a furnishing for bachelor pads before it took its rightful place as the most recognizable icon of psychedelia. The lava lamp became popular with people on LSD not once, but twice, decades apart.
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Police lineups are something most people have never had any firsthand experience with. What you see on TV and in movies isn't so far off though. Learn about how these tropes work for real in today's episode.
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What was originally designed to encourage innovation by rewarding the people who create technological advances, the U.S. patent system has become a big mess. Wade into this surprisingly interesting mire to learn how to save this important institution.
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Elimination diets are all about whittling down what you eat, then building it back up again in order to identify foods that don't work for your body. Is it safe? It can be. Learn all about this process in today's episode.
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1946 was a particularly deadly year for hotel fires in the US. Fires killed hundreds of people in Chicago, Dubuque, Dallas and, in Atlanta, the worst hotel fire in American history broke out. Find out how they made staying in hotels safe.
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Voodoo is a religion found in parts of Africa and Haiti that's often misunderstood. In this episode, Josh and Chuck separate the faction from the fiction as they explore how Voodoo really works.
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Almost everything you know about pterosaurs is wrong. They weren't birds, they weren't flying dinosaurs and they weren't all pterodactyls. Which makes this a great episode for you to learn some new and amazing stuff about terrifying prehistoric beasts!
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Get ready, folks. The ballpoint pen is far more interesting than you could ever imagine. For real. Brilliant in its simplicity. Took the world by storm. We love our ballpoint pens and you should too. Listen in today!
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With the exception of lobotomies, no other psychological treatment has a worse reputation. But thanks to some thoughtful tweaks, ECT has lately emerged from the dark ages and toward the respectable forefront of treatment for major depression.
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In 2018, there's a man from a lost tribe still living deep in the jungles of Brazil who has been all alone since the mid 1990s. He's referred to as the Man of the Hole, and has had no face-to-face with modern humans. Who is he? We'll answer that question as best we can in today's episode.
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If you’ve ever seen someone break a stack of boards or concrete blocks with a single karate chop you know what it means to experience awe. Board breaking is indeed cool but there’s also a lot of physics to help it along. Learn all about this secret art.
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Whether you've been stuck in a traffic jam or forced to merge and avoid road construction, everyone's had a few bad experiences with traffic. But how does traffic actually work? In this episode, Chuck and Josh take a look at traffic waves (and bubbles).
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If you go to the Internet you'll see a few people championed as all-time greatest conquerors - Alexander the Great, Genghis Khan and Atilla the Hun. Listen in today as Josh and Chuck dive into number three on this list, Atilla the Hun.
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There are thankfully about as many ways to look for someone as there are ways to get lost. And the people who dedicate themselves to saving the lives of people who are missing take their job seriously. Learn about this fascinating world in this episode.
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Back in 1966, the Supreme Court decided that suspects in criminal cases had the right to be reminded that they didn't have to talk to the fuzz if they didn't want to, as stated in the 5th amendment. Since that ruling, scores of other cases have shaped and defined the ruling that created a staple of police procedural dramas.
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The U.S. military draft is far more interesting than you'd think. The process of conscription can get quite complicated, but we're here to clear it up for you. We'll also talk a bit about whether or not this could ever happen again.
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For as long a shadow as it casts across the history of the Old West, the Pony Express was a failed business venture, doomed from the start, that only lasted 18 months. But since the last rider headed out with his bag of mail, its legend has only grown.
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The Cannon Ball Run is a cross-country car race famously portrayed in the campy 1981 movie "Cannon Ball Run." But it isn't fictional. Tune in as Josh and Chuck take you on a wild ride through the real (and colorful) history of this infamous race.
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The incident at Dyatlov Pass is one of the more enduring wilderness mysteries of all time. Russian hikers found in various states of undress, frozen. What happened to them? Why were there weird internal injuries and no outward signs of distress? We'll delve into all the questions in today's episode.
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It’s been about a decade since Josh and Chuck last checked in on recycling and since then a lot has changed. A global commodities market dealing in recyclables has developed and recently crashed. Jump back into the fascinating world of recycling.
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Once in a while, all the necessary factors converge to produce a peculiar nationalized sexual fetish. In China, that fetish was foot binding and over a millennia three billion Chinese women's feet were brutally disfigured for men's pleasure.
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One of the oldest protected forms of speech comes from when a lawyer speaks with their client. Over centuries, this legal privilege has been protected and defined and still stands stronger than ever. Find out why a person’s ability to speak freely to their counselor is so highly prized and protected.
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Join Josh and Chuck today as they take a fun look at some of the strange jobs that our ancestors did. It's a SYSK top 10, meaning there will only be eight or so.
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Twinkies have a reputation for being so processed that they can last for years and years, but they're not as hardy as you'd expect. Uncover the sweet story of Twinkies in this classic SYSK.
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No matter which side of the political spectrum you fall on, you should be outraged about the practice of gerrymandering. Redrawing voter district maps to ensure political dominance is about as undemocratic as it gets. Please enjoy Josh and Chuck getting unusually worked up about this abhorrent practice.
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In 1978, five friends set out for home from a basketball game. The next day, their car was discovered in a lonely mountain road. The next spring, their bodies began to turn up. What happened that night remains a mystery to this day.
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Putting lasers in space to blast Soviet missiles out of the air was a very real part of Ronald Reagan's defense policy. While his "Star Wars" program was derided at home and abroad, historians are beginning to wonder if it didn't help win the Cold War after all.
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The infamous Stanford Prison Experiment wasn't really much of an experiment as it turns out. It was more like a poorly thought out exercise conducted by a professor who didn't dot the i's and cross the t's. Listen in as Josh and Chuck give this experiment some harsh treatment of their own.
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Diabetes is one of the biggest killers of people on the planet. And yet, it also seems to be tied to diet and exercise, which makes it preventable. Learn about the fascinating mechanisms that can make your body go haywire and lead to this disease.
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Ponzi schemes. How do they work? And who's Ponzi? Join Josh and Chuck in this classic episode to discover how an Italian immigrant created a classic con that's still fleecing investors today.
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Narwhals are the unicorns of the sea. They're also whales with tusks. The tusks are really long tooths. Are you confused? Let us guide you!
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Teenage punks going through a phase probably come to mind when you think of anarchists, but anarchism is a legitimate political philosophy based on the idea that governments are unnecessary and do more harm than good. Could we actually live without them?
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The earliest depiction of a condom is found in a 15,000-year-old cave painting. Ever since humans realized sex led to children, we've been using condoms to prevent pregnancy. Join Josh and Chuck for this comprehensive tour of all things condom.
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Depending on who you talk to, Genghis Khan was either a sadistic madman or one of the great leaders in world history. One thing is sure, he was one of the most advanced military minds of all time.
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When the birth control pill hit the market in 1960 it landed like a social bomb. Almost overnight, women gained the ability to separate sex from pregnancy and everything from feminism to patients’ rights centered on it.
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When the Visigoths ruled Spain, they introduced the idea of battling bulls at festivals. Today matadors get paid $100,000 and perform in front of 50,000 fans. But is bullfighting an antiquated, abusive relic or a cultural tradition above reproach?
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Skyscrapers are much more than tall buildings. They're world wonders as far as we're concerned. From design to construction, these babies are beautifully simplistic in all the best ways. Listen in today!
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Tsunamis are amazingly devastating natural disasters. They're miles tall and wide, travel as fast as a commercial airliner and can wipe out entire coastal towns. And if the last couple decades are any indication, they seem to be getting worse.
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There is a mysterious droning sound often described as like a diesel engine idling that is severely impacting the quality of life of 2 percent of people in places around the world. The thing is, no one knows what's causing it - or if it actually exists.
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Frida Kahlo was a painter who transcended her own work to became an icon. Learn all about her fascinating and inspiring life and work in today’s episode.
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In 1987, a very strange broadcast intrusion occurred in the city of Chicago. For just a couple of minutes, the odd TV character Max Headroom appeared onscreen in the middle of an episode of Dr. Who. He spoke in garbled tones, brandished a marital aid, and was spanked on the rear with a fly swatter by a person dressed in Annie Oakley garb. If this sounds weird, it is. It's the Max Headroom Incident.
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The legend of King Arthur is very old and very established. By the time the king who saved Britain and united it was first written about, his story was already hundreds of years old. And while many of the details of his life and adventures, from the Lady of the Lake to Merlin the Magician, seem fictional some archaeologists believe that Arthur -- and much of his life -- was real.
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In the German town of Hameln a tragedy that took place on a specific date in 1284 and befell specifically 130 children is commemorated every year. Aside from those two details, the event is cloaked in mystery. What about the Pied Piper fairy tale is real?
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If you aren't in the know, you may think drug courts are set up to quickly prosecute drug users and get them into prison in short order. Turns out it's just the opposite - they're empathetic courts set up to give people a second and sometimes third chance to kick addiction. Learn all about these courts today.
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Pinball was actually illegal until the 1970s in NY and other cities, hidden in the backs of pornography shops. The game was finally legalized, thanks to a Babe Ruth-style shot by the best player in the world. Learn all about it with Josh and Chuck.
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You know the rule that says the simplest explanation is probably the correct one? That’s called a razor and it’s meant to guide logic. But over time it’s become a broadsword used to disprove opposing arguments. Learn how to spot a faux skeptic in this episode.
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We live in a time where computers can beat the best humans in the world at chess, checkers, poker and video games. But these games are really just demonstrations of how intelligent our machines are growing. They’re growing more intelligent by the hour. With special guest, Tech Stuff's Jonathan Strickland.
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The idea that the larger the brain, the higher the intelligence is an old one, but it's pretty much utterly false. Modern investigation into how the brain works suggests there's a lot more to take into account when comparing brain biology to intellect.
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The collar bomb heist is the crime caper that keeps on giving. Every time the story seemed like it was figured out, another layer appeared. Tune in today to hear Josh and Chuck detail this very odd and twisty story.
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A quinceañera is the celebration of a girl of Hispanic heritage becoming a young woman on her 15th birthday. It involves family, friends, music and a lot of great food. Join Josh and Chuck as they don their favorite pink dresses and go over this wonderful tradition.
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Cremation is a burial process practiced around the world, but how exactly does it work? Josh and Chuckers take a detailed look at cremation's history, practices and controversies in this episode.
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Hundreds of thousands of people drown around the world every year, and yet it can be easily prevented and is widely misunderstood – like how you can officially drown but live to tell the tale, or how you can drown but die days later.
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When your life is as outsized as the World’s Greatest Showman PT Barnum it’s pretty easy to - you know - gloss over the grimmer aspects when you turn it into an uplifting musical movie. But the way to understand a person is to look at them, warts and all.
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In this classic episode, Josh and Chuck discuss whether there are any truly "undiscovered" groups of people left on the planet, the definition of undiscovered -- and why groups might want to avoid modern civilization.
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For almost 70 years, North Korea has been the bane of South Korea, Japan and the US or has stood as the sole defenders of the Korean homeland from the American hordes, depending on who you ask.
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Nepotism is something that is very hard to avoid, and very hard to resist, even if you know it may be the wrong thing to do. We all love helping out families get ahead, but you're also costing someone else an opportunity when you play ball. Learn all about nepotism in today's episode.
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For the 50th anniversary of the assassination of President John F. Kennedy in Dallas, Josh and Chuck delve into the killing, the investigations and the conspiracy theories to get to the bottom of an enduring national question.
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A fascination with fire is part of every kid’s childhood, but it’s meant to be passing. For some people, fire becomes the central focus of life, and the urge to set a fire becomes an irresistible impulse. We think.
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Believe it or not, there's a lot more to Emojis than meets the eye. Turns out their history is pretty interesting stuff. Join Josh and Chuck today as they tell the tale of the little faces that we all love to hate.
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Whether using polished metal surfaces or clear glass, human beings have enjoyed admiring their reflections for centuries. In this episode, Josh and Chuck reflect on the types, mind-melting physics, superstitions and rather interesting history of mirrors.
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Not once, but twice in the 1970s people buried amazingly valuable Ferraris, arguably the greatest sports cars ever built. One was dug up after being secretly buried; the other was put in the ground forever. These are their stories.
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The Unabomber was one of the most notorious and longest lasting cases in the history of the FBI. Just because the manifesto reads like he was a fortune teller doesn't make his actions any less deplorable. Learn all about this fascinating case in today's episode.
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In this classic episode, Chuck and Josh test the limits of their decorum as they explore the physiology of an orgasm. Learn all about this inexplicably taboo subject (including how even women who are paralyzed can experience orgasms).
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Paramedics are not EMTs. Or fire fighters. Or cops. But they do ride around in ambulances (and drive) to help to save lives. It's a stressful job and we're here to shine a light on this noble profession.
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One of the worst legacies of war are the millions of landmines left behind. They hide for decades after a conflict is over, exploding beneath unsuspecting civilians and children. To many, removing mines and banning new ones is of paramount importance.
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Pop quiz: What word denotes a nation of people, a last name and an occupation? If you guessed 'Sherpa,' then congratulations: You're correct. But what exactly is a Sherpa? Tune in and learn more as Chuck and Josh explore the culture of the Sherpa people.
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In 1974 the CIA undertook one of its most brazen operations – secretly raising a sunken Soviet submarine lost in the middle of the Pacific Ocean right under the noses of the Russian Navy. With the help of billionaire recluse Howard Hughes, obviously.
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Historical words often morph and change to take on new meanings. Today on the podcast, Josh and Chuck sit down and talk about a handful of them, their original meanings, and how they changed over the years to reflect almost nothing about their original use.
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You know how when you see a guide dog leading a blind person to their destination and you think, "There goes a truly great dog?" It turns out you are absolutely correct. Guide dogs are about as special as dogs can get and it's through years of hard work. Learn about the ins and outs of guide dogs in this episode.
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When getting a medical diagnosis, it's important to understand the terms. Negative is good, positive is bad, false positive is great in a way, but false negative is the worst. Learn all about false positives, when your tests indicate you have a disease of some kind when you don't, and what this means in the medical community at large.
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Meals on Wheels is one of the great charitable organizations in the world, providing much-needed nutrition for elderly people in need. It also has a pretty interesting backstory, starting in multiple places in different countries almost simultaneously. Learn all about this great group of folks in today's episode.
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As ubiquitous as they've become, it's easy to overlook the marvels of engineering that are subways. Chuck and Josh go boring as they explore these systems of tubes that must circumnavigate rock, rivers, cables and more to get you where you're going.
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In the 1940s, a tiny town outside Boston volunteered to be test subjects in a study that would become one of the longest and broadest in the history of medicine. Originally designed to study heart disease, it's revealed things about plenty else too: everything from evolution to selecting a spouse.
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In the 19th century, in isolated villages and godforsaken towns in rural New England, people began to suspect their deceased family members had become undead. Thus began everything we know today about killing vampires.
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The concept of trickle-down economics is tied to Ronald Reagan, but the idea's been around and in use since the 20s. It's simple: Give more money to the wealthy and they can use it to rev up an economy. But is the whole thing just a scam?
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E-cigs, vapes, whatever you call them they have been touted as a safer alternative to tobacco and even a way for people to quit smoking. But recent studies have found that perhaps they’re not so harmless after all. So who’s right?
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When it comes to the animal kingdom, SYSK has covered a wide range. This week, the guys dive into the frigid waters of the Arctic to delight in everything that is the huggable, lovable walrus. From their tendency to sticking together in tough times, to the strange noises they make to attract a mating partner, the walrus is now in the running as one of Josh and Chuck's favorites.
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You've seen them in your home and probably squealed in terror, but now it's time to learn all about cockroaches. From their ability to run incredibly fast to the appendage that alerts them when you're about to whack them with your shoe, cockroaches are fascinating creatures that deserve your respect.
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Since a 1906 revival in Los Angeles, people around the world say they’ve been cured by the Holy Spirit after preachers with the Gift of Healing laid their hands on them. Skeptics scoff, but science’s explanations are kind of vague. So what’s going on here?
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Anyone who ever picked up a comic book as a kid probably marveled at the ads for the mysterious Sea Monkeys. In reality, they are just brine shrimp, not fantastical beings with magical powers. But the story behind the invention of the Sea Monkey is tale all its own. Listen in today.
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Off Nova Scotia, the tiny spit of land called Oak Island has been host to waves of treasure hunters for more than 200 years. Some of them lost their lives in the search for a treasure reputedly buried in a deep pit. But is anything really there?
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For this special live benefit episode recorded in Atlanta, Josh and Chuck go back to the 70s and look at the decidedly ungroovy course of events that led to Ford recalling its Pinto after people started burning up in them.
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Sure knives can cut through a steak or slash through jungle vines, but probably the coolest thing you can do with a knife is throw it. At a person mounted to a wooden wheel. Spinning around. While you’re blindfolded. Learn all about the impalement arts in this episode.
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You may be surprised to learn those ubiquitous ratings, from G to NC-17, put on movies in America are actually handed down by anonymous employees of a secretive organization that serves as a lobbying firm for Hollywood's six biggest studios.
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Rosa Parks finishes out our Black History Month episodes in grand fashion. While most know her from that fateful day on the Montgomery city bus, she actually had a long life as an advocate, protestor and agent of change. Join us today as we celebrate one of America's great history makers.
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For millennia people have been amazed by legends of wild children found in the forest or jungle, sometimes raised by animals like wolves or apes. But it turns out these stories may actually be true in some cases and may actually have been children with cognitive impairments who were abandoned by their parents.
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As early as 1786, groups assembled to help slaves escape lives of bondage. And, as the 19th century progressed, the emergent Underground Railroad grew more sophisticated in aiding escaped slaves. But how did it work? Join Josh and Chuck to learn more.
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Harriet Tubman is a legendary figure in history, but the details of her life are even more remarkable than what you may have learned in school. Listen in today as Josh and Chuck pay tribute to a true icon of African-American history.
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What must be one of the most famous natural disasters in history took place when Mt Vesuvius buried Pompeii in 79 CE. But when the town was resurrected 1700 years later, a new chapter in its history was written.
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In this episode of Stuff You Should Know, Josh and Chuck discuss Narco States, places where illegal drugs are traded openly with government support -- or without government interference.
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In 1928 Bessie and Glen Hyde attempted to navigate their way through the belly of the Grand Canyon in a homemade boat. They disappeared without a trace and their mystery endures all these years later. Listen in today to hear all about the tragic and mysterious disappearance of the Grand Canyon Newlyweds.
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In the 1960s, a very cool machine debuted at the Seattle World's Fair - the Mold-A-Rama. It made real plastic toys on-demand from melted plastic pellets, to the delight of children and adults alike. They didn't last too long, but can still be found at various locations all over the United States and their retro-cool stylings are still a hit. Learn all about these cool machines today.
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Bossing a lion around in front of a crowd at a circus has been an attraction for 200 years, but exactly how lion tamers get their captive wild animals to comply has evolved over time. Take a peek in the jaws of this odd profession with Josh and Chuck.
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It's been the subject of teenage conversation for decades already, but now you can join Josh and Chuck as they dive into the science of how pot and booze affect your body, mind and behavior and learn which one comes out on top.
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Listen in today for the conclusion of the story of the Manson Family Murders.
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Most people have a basic understanding of how prisons work, but it's often heavily influenced by fiction. What's it really like behind those bars? In this episode, Josh and Chuck reveal the practices, controversies and harsh realities of prison life.
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The '60s ended with a lot of turbulence, not the least of which was the Manson Family Murders. What made Charles Manson so alluring to his family? What makes one person kill for another? And what did The Beatles have to do with it all? Learn all this and more in this two part episode.
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You may be familiar with compulsive hoarding from TV, but something that’s often missing from those shows and the news is the deep and overwhelming shame that this disorder creates in its victims who are neurologically incapable of parting with their stuff.
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Since Winston Churchill predicted we'd grow meat in a lab by 1981, researchers have considered doing just that. And thanks to the current work of about 30 groups, we may be only years away from mass-produced artificial meat. But will anyone eat it?
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It’s a super 70s thing, sure, but hang gliding is a thrill ride for the ages. So strap in with Josh and Chuck and learn all about the earliest method of human flight, originally created by a German man who flew over 2000 times before dying in a crash!
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Public monuments can be removed for a variety of reasons, from public sentiment changing, to governments being overthrown, to just being downright ugly. Learn all about this hot button topic today.
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In the 19th century, typhoid was considered a disease of the lower classes. When an outbreak occurred in wealthy Oyster Bay, New York, a mystery was afoot. Tune in to learn how this event began an ongoing debate over public safety versus civil rights.
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Invasive species can mean a lot of things, from fungus to feral pigs and European starlings to kudzu vines. Basically, it's anything brought to a place, either by humans or nature, that didn't originate there. They aren't always a problem, but many times they can wreak havoc on the local ecosystem. Learn all about these invaders today.
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When the Mary Celeste was discovered floating and abandoned in the middle of the Atlantic Ocean one day in 1872, the legend of the ghost ship was born. Why did the Mary Celeste’s crew disappear? Was it pirates? Mutiny? UFOs? Well, probably not that last one.
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The term "one-hit wonder" gets thrown around a lot, and - yes - you probably are using it correctly, but Chuck Bryant went to the trouble to really define what makes a one-hit wonder in the article this episode is based on. Join him and Josh as they get to the bottom of this disparaging term.
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Impeachment is does not necessarily mean a president is removed from office. But it could. It's a fascinating procedure that has been crafted and shaped over the years because of a lack of detail in its initial definition. Listen in today to learn all about the weird and wacky process of impeachment.
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Ever since Victorian orchid hunters ravaged the tropics in search of unique specimens to sell for ludicrous amounts of money, the West has been gripped by orchidelirium. Small wonder since orchids are not only beautiful, they’re among the most interesting plants on Earth.
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You use it every day to overcome your lower self (which wants you to eat cake until your vision blurs) in pursuit of the goals of your higher self (which wants you to not develop Type-II diabetes). Yet it was only in the 1990s that researchers began to understand what makes our willpower and how it behaves.
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We finish our tour of the best sights of the ancient world when we get deep into the history of a lighthouse that stood for 1200 years, an unsettling statue of Zeus, the world’s first mausoleum, and Chuck’s favorite, the Colossus of Rhodes!
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Long before slide rulers and pocket protectors, civilizations across the world used their noggins to build some impressive structures. Almost all have crumbled to ruins over the millennium, but thanks to the earliest tourists, we admire them still today.
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Long ago, in a galaxy not so far away, George Lucas allowed the Star Wars Holiday Special to be made. What happened on the night of November 17, 1978 can never be fully explained, but we make our best effort in a very special edition of SYSK. May the force be with us all.
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It's the most wonderful episode of the year! Join Josh and Chuck as they ride their sleigh through the debate over whether Die Hard is a Christmas movie, the Rockefeller Center tree, a boozy holiday recipe and plenty more great holiday tidings!
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This week Josh and Chuck dive into the world of narcissism, one of the most perplexing and disturbing disorders humans can have. Learn all you ever cared to know about people who largely are centered on the self, lack empathy and don't understand what the problem is with that behavior.
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Population may not seem like the most scintillating topic in the world, but Josh and Chuck beg to differ. Join them as they explore how population works, from demographics to population control, in this episode.
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The Globe of Death – el Globo de la Muerte to our Spanish-speaking friends – is perhaps the greatest of all the circus arts. It requires no smoke, no mirrors, only motorcycles, a giant sphere and fearless riders with the will to bend physics.
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The word doula in Ancient Greek might mean "female servant" but it's really not a great description of the 21st century job. Doulas are birth coaches who help women get through the process of childbirth as efficiently and painlessly as possible. They aren't midwives or nurses, but they can provide an invaluable service as advocates. Learn about the deal with doulas right now!
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There are few things more futile than trying to count all of the money in the world. Even many governments have no idea how much currency they have issued. But that won't stop Chuck and Josh from trying and explaining why we can't be sure how much money exists and the problems with flooding the world markets with bread.
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Flight attendants have come a long way. From having to put up with rampant sexism, to the current incarnation as your first line of defense in case of an incident, they are valued airline employees. Learn all about this cool job in today’s episode.
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No one - no one - likes to vomit, but there are some people who would prefer to die rather than vomit, people who spend their days worrying they will vomit at any moment and become so obsessed they curtail their lives to prevent it from happening.
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Cleaning up crime scenes is a niche industry that's both lucrative and messy. In this episode, Josh and Chuck take a look at how crime-scene clean-up works.
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Cake has been around for a long time, but mostly less than great forms. It took the Industrial Revolution, the advent of plentiful sugar, and some good old American know-how to come together to make the cake we know and love today.
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It's every kid's dream - a job playing with toys that pays in toys. It's a real thing and has been around for a long time. Then there's the other side of the testing process, companies who ensure that toys are safe. It takes both of these testing techniques to successfully bring a toy to market these days. Dive into the ball pit with us today and learn all about toy testing.
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In this week's SYSK Select episode, tune in as Josh and Chuck take a detailed look at organ donation -- from the earliest organ transplants to the organ black market.
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Nuclear forensics is a lot of things - from UN sponsored inspections to tasks more on the down low. But either way, the job of these men and women is to root out possible nuclear weapon threats. It's a fairly unknown and thankless task, so allow us to shed a little light on this very cool and very necessary line of work.
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Although much of the media-fueled hysteria over the designer drug called bath salts has been utterly unfounded, especially when it comes to driving users to eating people's faces, you'll still want to pass on them. Learn why.
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In this week's SYSK Select episode, Benjamin Franklin first came up with daylight saving time in 1748, and people still practice it today. But how does it work? What are the pros and cons? Join Josh and Chuck as they turn back the clock to explore the origins of daylight saving time.
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First of all, movies can't be cursed because curses aren't real. However, that can't stop Josh and Chuck from taking a look at some movies throughout history that have had a disturbing number of bad things surrounding their production and release. Dive into the world of cursed movies in this very fun episode.
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Every year the flu virus makes the rounds, laying up young and old alike for days before moving on to another hapless victim. But flu viruses can mutate and once in awhile they turn into something much deadlier, a pandemic that can kill millions.
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In this week's SYSK Select episode, when the Japanese invaded Southeast Asia in World War II, they cut off America's rubber supply. Luckily, American can-do created a synthetic rubber and saved the War. Learn about the inventor, fluid chemistry and more in this episode of SYSK.
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Permaculture is a growing trend in the world of farming and home landscaping. It's basically a design principle that emphasizes sustainability and the would-be, natural ecosystem of an area. Simple concepts like planting downhill from a pond and using gravity to feed plants to planting native plants and vegetation that work well together are hallmarks of permaculture. Learn all about this eco-friendly trend today.
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If you've ever worked in a restaurant, you know the feeling that occurs when the health inspector pays a visit. While nerve wracking, it's the best insurance patrons have that their food will be prepared and served in a proper environment. Learn all about how these inspections work, from their past history to current incarnation.
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In this week's SYSK Select episode, is the idea of possession a misunderstanding of physiological and psychological conditions, or has science failed to account for unknown, legitimate factors? Learn whether exorcism and psychology are mutually exclusive in this podcast from HowStuffWorks.
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Episode two of Movie Crush is a very special one. Comedian Tig Notaro dropped in minutes after a very important, life changing phone call to chat with Chuck about the movie Mask. Have a listen!
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This week Movie Crush launches with two great episodes. Up first, actress Janet Varney talks with Chuck about the movie Tron and how much it means to her.
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It's a confusing part of climate change when it seems winter is as cold as ever, but as global temperatures creep ever so slightly higher, a cascade of catastrophic events will almost surely follow. The ball is in humanity's court.
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In this year's super scary Halloween episode, Chuck and Josh read two great works of horror fiction: Gifts, by our very own Ed Grabianowski, and the classic The Yellow Wallpaper by Charlotte Perkins Gilman.
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In this week's SYSK Select episode, SPAM is a canned meat product made from pork shoulder and ham. First introduced in 1937, this iconic food has spread to stores across the world. But what exactly is it, how did it get here -- and why is its shelf life "indefinite?" Tune in to find out.
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Today concludes our two part celebration of one of the greatest TV shows of all time - The Simpsons! It also officially marks our 1,000th episode. Can you believe it? We sure can't. So join us today as we wrap up our tribute to America's favorite TV family and hit the 1,000 mark.
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For our 999th and 1,000th episodes, we go down the rabbit hole on a TV show that quite literally altered popular culture as we know it. The Simpsons has been around since Josh and Chuck were in grade school, and is still cranking out episodes today. Join us for two very special episodes as we pay tribute to The Simpsons, and celebrate a milestone of our own - numbers 999 and 1,000!
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In this week's SYSK Select episode, cheese is often overlooked as a one of humanity's great achievements. Making cheese is surprisingly easy: It's been accidentally created by more than one culture at different times. Tune in to learn more about cheese -- and enjoying it -- in this episode.
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The term intern comes from the medical community, but virtually every industry now uses them. From real world training to coffee fetchers, interns can be used and misused in many different ways. Dive into the world of internships with us today. And for heaven's sake - pay them!
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Join Josh and Chuck live from Seattle as they (sky)dive into one of the most brazen robberies in the annals of crime and the only unsolved airline hijacking in American history.
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In this week's SYSK Select episode, ever since people have had secrets, other people have been looking for ways to get it out of them. Law enforcement and chemistry alike have searched for a drug that can remove the ability to lie. Join Josh and Chuck as they check in to see how it's going.
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Up until recently we had no idea buildering was a word. Or that people scaling buildings has been a thing since the turn of the 20th Century. Learn along with us, and don't try it at home.
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Everyone thought it was the pits that banks were bailed out by taxpayers in 2008 while those same people weren't given any relief by the banks. So some Occupy Wall Street members did something about it.
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In this week's SYSK Select episode, Josh and Chuck find who's probably to blame for the Great Chicago Fire. The newspapers of the day reported that a cow (or perhaps its owner) was responsible for a fire that burned half of Chicago in 1871. Yet in 1997 Mrs. O'Leary and her cow were exonerated.
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Even though giraffes are one of the most recognizable animals on the planet, it wasn't until the 21st century that biology really set about studying them. They've found giraffes are even more amazing than they appear.
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Cops wearing cameras is a new thing. So new that we aren't entirely sure of all the ramifications that go along with them just yet. In theory they should protect both police and citizens, but as we learned, they are no magic pill against police brutality or the death of cops on patrol. Join us as we dive into this complicated issue today.
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In this week's SYSK Select episode, there is a lot of debate about whether pre-agricultural humans existed in a more harmonious state than we do today. Did we slip out of Eden when we began to build large scale societies and pay the price for technological advancement by suffering increased violence? Or is it possible that the most peaceful time in history is right now?
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Probably all beaches were nude early on, but as society developed and body shame became all the rage, people started wearing bathing suits. Some, though, liked the way it was before.
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In the 60s, Congress worried the White House was operating too much in secret and passed the Freedom Of Information Act, opening the government to public questioning. It has been an ongoing struggle to pry those secrets loose ever since.
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In this week's SYSK Select episode, there's an emerging field in health care called medical ecology that's concerned with understanding how the 100 trillion microbes living inside us keep us healthy. The field's first breakthrough is the fecal transplant, taking poop from a healthy person and putting it into the gut of a sick person. It's a real thing and it actually works.
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Mixing wax with pigment is something artists have been doing since DaVinci. These little implements would later go on to be called crayons and gained popularity among the elementary school set. Learn all about crayons in today's episode.
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They survived the extinction that wiped out the dinosaurs, but unfortunately frogs seem to be no match for humans and are losing species in droves. This is not good for anyone.
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In this week's SYSK Select episode, one of the fields of forensic investigation, handwriting analysis is based on the principle of uniqueness - that each person writes in their own peculiar way. Learn about this interesting area of crime fighting and how it's worked to advance itself as a real science.
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The U.S. Secret Service began after a mandate from President Lincoln called for a service to combat counterfeiters. Since then, they have become more well known as the agency that guards and protects the president and the first family, along with that of former presidents. Learn all about the ins and outs of the this not so secret service in today's episode.
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There are people who walk among us who seem normal, maybe even more charming or intelligent than average, yet they hide disturbing and at times dangerous personalities behind what one researcher called a 'mask of sanity.'
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In this week's SYSK Select, what you hear is not a test, instead it's Chuck and Josh discussing the cultural history of the Hip-Hop movement. Born out of the South Bronx, by way of Jamaica, Hip-Hop culture grew up suddenly as DJs learned to use two turntables at once. Check out this episode of Stuff You Should Know to learn about the origins and evolution of Hip-Hop.
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Crickets are part of a larger insect-based diet enjoyed in most parts of the world. Loaded with vitamins, minerals and protein, and green to boot, crickets could help solve some of the world's food problems if Europe and America get on board. Learn all about cricket farming in today's episode.
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Since his corpse was found in 1948, wearing a nice suit in summer on an Australian beach, an unidentified man has refused to fade into obscurity, gripping the imagination of sleuths around the world.
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In this week's SYSK Select episode, although U.S. museum collections are rife with counterfeits, shrunken heads are far from fiction. The Shuar tribe of Ecuador has shrunken heads for centuries. Learn the methodical process of shrinking a head and how they're used in this episode.
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Satanism may be the most misunderstood "religion" in the world. Part of that is because there are, and have been, many offshoots of Satanism, from The Church of Satan to The Satanic Temple. One thing is sure though, none of them are filled with evil humans who perform ritual blood sacrifice and worship a cloven-hoofed devil. Learn all about Satanism in today's episode.
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Barbecue, or for the lazy, BBQ, is a Southern cooking tradition, but also much more than that. It's a cultural touchstone of the South where people of all classes and races can sit and break bread with one another. In today's episode, you'll learn all about BBQ's interesting origins, along with the various regional varieties that make its meat-loving fans so devoted.
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In this week's SYSK Select episode, since a hostage standoff in Sweden took place in 1972 a peculiar and mysterious psychological phenomenon has had a name. But is Stockholm Syndrome real? And what conditions have to be present? Join Chuck and Josh as they look into this unusual condition.
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For millennia, we have tried to put human personalities into neat types, an effort psychology took up early in its history in an effort to legitimize itself. But is the idea of types – which all personality inventories are based on - flawed to begin with?
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In 1970, roboticist Masahiro Mori wrote an essay that said the closer robots come to lifelike, the more they unsettle humans. His theory became the Uncanny Valley, and science has been evaluating it – and what makes something creepy - in recent years.
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In today's SYSK Select episode, we learn about exploitation films. During the 1930s-80s, the work of directors operating in the shadows of Hollywood led to explorations in sexuality and violence that mainstream cinema wouldn't touch. Join Chuck and Josh as they explore the seedy underbelly of grindhouse flicks.
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Accents are truly fascinating. Put simply, they are how a person sounds when they talk. From England to America and all over the world, the way people speak in their native tongue can vary drastically. What are the influences? When do accents begin to take hold? Can you lose or gain an accent? Learn about all this and more in today's decidedly interesting episode.
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Despite as much as one percent of the adult population having the condition, science doesn't actually know how stuttering works. The best it's come up with so far: there seems to be an issue between the physical process of speaking and the thought process that underlies it.
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In this week's SYSK Select episode, if you're accusing someone of disloyalty or subversion without decent evidence, then you may be guilty of McCarthyism. In this episode, Josh and Chuck explore the origin of the term, starting with the infamous Communist-hunting Senator Joseph McCarthy.
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Thanks to advancements in fields like genetics, and molecular chemistry, archaeology is undergoing a renaissance and opening up new understanding of the past.
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There are all kinds of motivational speakers, from people who have overcome incredible hardships to those who hold pep-rally style events in stadiums. But do these speakers actually help anyone? Science can't prove it out, but people who take part swear by it. Learn all about the strange world of motivational speakers in today's episode.
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In this week's SYSK Select episode, they're always right there, taunting you: why do you have me, they ask? Why do men have nipples? It turns out there's a good answer why and nipples on men aren't entirely useless after all. Join Chuck and Josh for this heady investigation.
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In a small town in Iowa in 1912 eight people were murdered in the grisliest of ways while they slept. Local reputations were ruined when accusations flew, but could a drifting serial killer working across the Midwest have been behind it?
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Public broadcasting works a bit differently depending on where you are in the world. American TV made the leap more toward commercial broadcasting in the early days, yet PBS and NPR still remain a vital part of our national fabric. In England and many other countries, public broadcasting is more the standard. Learn all about the interesting history of public broadcasting in today's episode.
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In today's SYSK Select episode, fly, robin, fly indeed. No musical genre has risen and burned out as quickly as disco, and historians are still trying to unravel the animosity aimed at it. Join Chuck and Josh as they dig into disco's underground roots and its sashay into the mainstream.
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Over or under? One ply or two? How about six? TP has not been around that long, but is has been embraced in a big way by the United States. Learn all about the interesting history behind this decidedly dry product.
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It sounds cool, but ghost fishing is actually a tragic byproduct of modern fishing practices, where abandoned nylon nets can trap and kill sealife for hundreds of years.
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In this week's SYSK Select episode, amateur astrophysicists Josh and Chuck break out the stats and attempt to explain the complex, boiling ball of gas that we call the sun.
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Guessing is a weird thing. For millennia, it could have meant the difference between life and death. Now it's not as vital, but we still do it every day, whether behind the wheel of a car, or judging what another person might be feeling. From wild guesses to the educated variety, learn everything we know about the brain and how it manages this odd, very human act.
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It's pretty obvious something's gone wrong when you get a sunburn, but did you know a tan means you've damaged your DNA? Dive into the three Ss of summer and learn all about how to protect yourself from the sun.
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In this week's SYSK Select episode, famed aviator Amelia Earhart's disappearance in 1937 is a mystery that endures to this day. Why don't we know what happened to her? In this episode, Josh and Chuck examine the facts and evidence behind the famous case.
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Fever dreams can be unsettling experiences. These ramped up nightmares are vivid, detailed and only happen when the human body experiences a fever. What is it about the combination of fevers and dreams that make these night terrors so hellish? Learn all that and more in today's episode.
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Net neutrality is the idea that the internet is a public good and that everyone should have equal, unfettered access to it. Though the FCC strongly supported it with new rules in 2015, today’s FCC is under new leadership and has other ideas.
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In this week's SYSK Select episode, after she was diagnosed with the cervical cancer that shortly killed her, a tissue sample was taken from Henrietta Lacks in 1951 without her knowledge. Those cells would go on to become the first immortal line of human cells, something of enormous benefit to science and humanity as a whole. But while the line, called HeLa cells, became a multi-billion-dollar industry, her family languished without health care insurance. Learn about this complex case of private rights and scientific advancement in this episode.
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Once in a while a movie comes along that's so forward-thinking it changes the way that horror is done. A new subgenre is spawned, new tropes are established, and audiences are more terrified than ever.
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The word stoic has taken on its own meaning apart from the philosophical movement which gave it life. Learn all about the early stoics, what the philosophy is all about and where the movement stands today.
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In this week's SYSK Select episode, the U.S. stands proudly defiant and the world looks at Americans as dopes for the U.S.'s stubborn refusal to go metric. However, the States have been going metric for about 150 years. Find out what's the haps in this weighty and measured episode of SYSK.
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Even the most brilliant medical minds need a good bedside manner, and thanks to standardized patients, they can improve their skills. What are they? Part-time workers who pretend to be real patients so doctors can practice on live humans. If you're remembering Kramer on Seinfeld right about now, you're not alone.
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One of American history's darker moments, the Stonewall Riots were also the event that galvanized the gay rights movement in the United States. Today there's a monument in NYC to memorialize this important time. Learn all about this often overlooked story in today's episode.
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In this week's SYSK Select episode, for decades, Scooby Doo has captivated children across the world. It's been translated to multiple languages and remains as popular as newer programs. But why? Join Chuck and Josh as they shed light on the seemingly endless allure of Scooby Doo.
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Little-known fact: Ketchup, possibly the most all-American of condiments, evolved from fermented fish sauce people in Southeast Asia have been making for more than a thousand years.
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Since the advent of agriculture, humans have been storing seeds. But as sea levels rise and climates change around the world, our reasons for banking seeds have become more desperate.
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In this week's SYSK Select episode, historically speaking, decapitation was a popular means of execution -- it's been used by everyone from ancient Romans to French revolutionaries. But is there any truth to claim that victims retain their consciousness? Tune in to learn more.
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In the early days of World War II, there was a secret training program in Canada that taught Allied saboteurs everything from espionage and bridge blowing to karate chops to the neck of an enemy. It was called Camp X and was so secret that not even the Canadian prime minister was aware of it prior to its formation. Learn all about this super cool camp in today's episode.
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If you've ever been to an international airport, you've probably seen one of the keenest spotters of illegal contraband - The Beagle Brigade! These cute dogs aren't after drugs or bombs, they're carefully trained to sniff out agricultural products. Learn all about this furry group of crime stoppers in today's episode.
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In this week's SYSK Select episode, yes, your brain may have just flash-dried from boredom at the thought of learning about maps, but it turns out they are a lot more than just tools for navigation. Maps are two-dimensional representations of how we imagine our world, with imagine being the operative word since every map in existence is riddled with errors.
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For millennia, mass strandings of whales have confounded us. Why should dozens or more whales come onto shore only to die a terrible and lengthy death?
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Coelacanths are incredibly interesting as far as fish go. For one, they were thought to have gone the way of the dinosaur, along with the dinosaur. They also give birth to live fish and tend to dwell more than 800 feet below the ocean's surface. And this is just the tip of the iceberg. Learn all about these fascinating creatures in today's episode.
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In this week's SYSK Select episode, Grigori Rasputin, the Russian charismatic cleric and political adviser to the ruling Romanovs, is said to have been poisoned, shot, shot again, bludgeoned and drowned. Exactly how did he die and how would such a legend grow around a modern figure?
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America loves to go nuts over new food trends and it turns out that the 20th century was a boon time for them.
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Are laws that are meant to protect the sanctity of the polling place in reality designed to make it harder for groups that traditionally vote Democrat to cast their ballots?
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In this week's SYSK Select episode, at long last, Josh and Chuck take on perhaps their most important topic ever. Learn about the history of beer, how it's made -- the whole shebang, basically -- in this watershed episode of Stuff You Should Know.
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Schoolhouse Rock is possibly the best children's program of all time. Join Josh and Chuck as they tell the story of SR, featuring an interview with Pavement's Bob Nastanovich, contributor to the '90s Schoolhouse Rock tribute record.
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"Head transplant" is a bit of a misnomer, because it's more like a body transplant. But either way, the idea is that one human will wake up from surgery with a decidedly different look. Is it possible? Probably not. But there are a couple of surgeons who are making a lot of news in their bid to find out. Learn all about this grisly potential procedure in today's episode.
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In this week's SYSK Select episode, for thousands of years, humans have used hallucinogenic mushrooms for spiritual reasons. Today, however, having them can get you thrown in prison. How do magic mushrooms do what they do? Can they help the mentally ill? Find out in this far out episode.
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It wasn't too long ago that humans thought the polar lights were signs from the afterlife. Thanks to a 19th century Norwegian, we now understand that they are a fascinating interplay with Earth's magnetic field and wind from the sun.
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Sure we can all agree that champagne is probably the greatest thing humans have or ever will invent, but how much do we understand how it's made?
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In this week's SYSK Select episode, about 30-40 percent of humans suffer from some sort of allergy. The big joke, though, is that every sufferer is the victim of mistaken identity. Allergies are the result of a hypersensitive immune system mistaking a harmless protein for a foreign invader.
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Charismatic Megafauna is not just a great band name. It's really just a fancy word for the cutest and most personality plus animals at the zoo. We're talking pandas, elephants and anything else you might see on a poster. Their mission? To help raise awareness and drive donations. But not everyone is on board. Learn all about these cuddly beasts in today's episode.
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It was only in the last few decades that science became aware that itches aren't just low-level pain. And in that time, the mystery of how we itch and why we scratch has gotten even more baffling.
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In this week's SYSK Select episode, in a desert in Texas a 200-feet-tall clock is being constructed deep inside a mountain. Once completed, it will keep time for the next 10,000 years, even if there are no humans around to use it. Tune in as Chuck and Josh get to the bottom of the Long Now.
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It turns out that the characters in your favorite TV shows and the like are actually dead, dreaming, dying or don't exist.
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Poetry is a broad and expansive art form. From dramatic verse to haiku, rhyming poetry and spoken word, there are many hats a poet can wear. Join Josh and Chuck today as they break down the history of poetry, a dive into what's so great about it.
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In this week's SYSK Select episode, perhaps you equate the term to conspiracy theories and Holocaust denials, but revisionism is a genuine discipline in the field of historical study. And thanks to revisionists, we now include a lot more reality - and previously unsung people - in the history of our nations. Learn about historians determined that history is far from set in stone in this episode.
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When the immune system mistakes the tissue covering neural connections as foreign invaders, the result can devastate the body. There is hope, however, in a new radical treatment that resets the immune system.
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Until recently, most people probably never paid much attention to the National Security Council. It's been around a long time though, and the president has quite a bit of leeway as to who sits at the table. Learn all about this important group of individuals in today's episode.
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In this week's SYSK Select episode, the first attempt at breast augmentation surgery was on a dog. The second on a woman who went in for tattoo removal. From those weird origins hundreds of thousands of breast implant procedures are now carried out each year. Find out all about the advancements and techniques in increasing your bust.
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Swearing is something that's been done across all cultures, virtually since humans began speaking. What is it about these taboo words that offend some, and are beloved by others? Does it help to relieve stress to swear? Are there general rules of thumb about when it's OK to swear? All of your questions are answered in today's episode.
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Sure, we're doing an episode on corsets. Why do you ask?
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In this week's SYSK Select episode, studies find that absolutely everyone lies - some have found as much as a quarter of our daily interactions involve lies. What gives with everyone fudging? Chuck and Josh explore the philosophy, psychology and reality of lying and what constitutes a liar.
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Until recently, volcanologists thought supervolcanoes were simply massive volcanoes. But further research has revealed that they are far different - and far more dangerous - than previously imagined.
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Being nominated as a Supreme Court Justice is no small thing, and it doesn't always go as planned. With this week's confirmation of Justice Gorsuch, Josh and Chuck take a look at the process of getting named to America's highest court.
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In this week's SYSK Select episode, in the early 1990s, Japanese researchers found a strange anomaly in their study subjects, five people who had inexplicable heart attacks. From this first investigation has come a scientific mystery: Is it possible that the sudden loss of a loved one can be so difficult to bear that it can actually cause a heart attack and maybe kill you? Could the romantics be right?
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Empathy can often be confused with sympathy and regular old compassion. But it's not exactly either one of those. Some say a lack of empathy can indicate sociopathic tendencies, but that's not always true either. So what is empathy and what makes someone prone to empathize? Listen in to find out.
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You may think composting is just a bunch of old banana peels rotting away into dirt but, friend, you're not looking closely enough. Inside that compost pile is a microcosmic universe doing some magical stuff.
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In this week's SYSK Select episode, although lots of people incorrectly believe the filibuster was an intentional rule created by the founders of the U.S., this ancient method of stalling legislation was actually brought about in America by accident. Learn the ins and outs of this contentious quirk of parliamentary rules that allows a single senator to hijack the proceedings of the entire legislative body in this episode.
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The Shroud of Turin is no ordinary bed sheet. Some think it's the burial cloth of Jesus. Others think it's an amazing piece of artwork. The truth is, we'll probably never know what it really is. The mystery of the Shroud of Turin awaits you...
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Foreign accent syndrome isn't when your mom talks funny when she goes abroad. It's an actual condition where people wake up one day with an entirely different accent, usually from some kind of head trauma. Learn all about this decidedly rare affliction today.
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If you’re out there, Elon Musk, this one’s for you (although you already know everything in this episode). Everybody else, buckle in and sit back for a 700 mph thrill ride from LA to SF in 35 minutes - coming soon!
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In our continuing exploration of crime and punishment, we take a look at the practice of solitary confinement. To be sure, it has its place in prisons, sometimes for protection of the inmates themselves. However, leaving people in solitary for weeks, months and even years is another thing. We explore this cruel and unusual punishment in today's episode.
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There was a time when the lower classes of the American South were considered lazy and dimwitted, a stereotype that still somewhat survives today. But this stereotype was rooted in fact. Hookworms, it turns out, were sapping Southerners’ life force.
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Pain is subjective; it is whatever the person experiencing it says it is. But to effectively treat pain, it helps to quantify it, which is why medicine came up with pain scales.
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In the second of two parts, what was once a voluntary resettlement program becomes a violent, forced relocation under the leadership of President Andrew Jackson.
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In this first of two episodes on the Trail of Tears, learn about the forces that converged to create the series of events that formed the basis of what may be the most brutal decade in American history.
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Now you see it, now you don't — optical illusions can fool us into seeing what's not actually there. But what causes that disconnect between perception and reality? Learn all about this visual trickery in today's episode.
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Freedom of speech and the press are values vital to American democracy. But the First Amendment doesn't really define free speech, and plenty of expressions are restricted. Learn all about the ins and outs of this cherished right in today's episode.
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It’s common knowledge that famines are usually caused by major droughts: Rain doesn’t fall, crops don’t grow, and people go hungry. But recent research suggests that while weather may trigger famines, they may actually be more of a human-made catastrophe.
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The estate tax, also known as the death tax, is not new. It's actually been around in some form since ancient Rome. Some say it's a necessary tax to help prevent resting on your inheritance laurels. Others say it's straight up double tax robbery. Learn all about this controversial tax today.
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The Black Panther Party was a complex political movement that was unfairly painted as a militant group who hated white people. Far from it, they were actually men and women trying to effect change in their community. Their history is one of the more interesting American stories, from the early stages of policing the police to their community service efforts to their inevitable fall. Learn all about the Black Panther Party right now...
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You can burn them, freeze them, shoot them into space – they wouldn’t bat an eyelash, even if they had eyelashes. Go into the microcosmos and learn about the tiny animals that are so astoundingly durable, they can survive conditions not found here on Earth.
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In this show recorded live on January 5, 2017 at San Francisco’s Castro Theatre, Josh and Chuck delve into the history and the heyday of the church of consumerism and what it means for local communities and our capitalist society at large when malls die.
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