Stuff You Should Know

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How Desalination Works Mar 26, 2015

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Why would people want to remove salt from water? To solve the world's water problem, that's why. Learn all about the efforts to desalinate H2O in cheaper and more efficient ways.

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10 Bizarre Medical Treatments Mar 24, 2015

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Medical science has a long and storied history of trying out cures and procedures that later strike us as wacky. And they're still at it today! Learn about bizarre treatments, from opium for children to tobacco smoke enemas in this episode.

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Earwax: Live With It Mar 19, 2015

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Despite tons of people using cotton swabs each day to clean the earwax from their ears, cerumen (as earwax is clinically known) is actually quite beneficial to the health of your ears - and even kind of ingenious as your body's defense goes.

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How Anesthesia Works Mar 17, 2015

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The use of general anesthesia is less than 200 years old. Before doctors were able to cause unconsciousness in patients, surgery was brutal for all involved. But despite this advancement in medicine, science still has no idea how it works.

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How Tea Works Mar 12, 2015

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Legend has it that tea was discovered by a curious Chinese emperor after leaves blew into his boiled water. Now tea is the second only to water in popularity worldwide. And despite the varieties of tea, they all come from a single species of plant.

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How Fleas Work Mar 10, 2015

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Fleas are the bane of the existence of pet owners. From their eggs to their lifespan to their feeding habits, fleas are practically designed to be a nuisance. They are parasites, after all. Get down on flea level with Josh and Chuck in this episode.

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How Stonehenge Works Mar 05, 2015

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Even as far back as the Roman invaders, people have had absolutely no idea just what the massive monument complex in England known as Stonehenge was built for. Join Josh and Chuck as they try to get to the bottom of this Neolithic mystery.

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How ESP Works(?) Mar 03, 2015

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Even though almost half of Americans believe in it, ESP usually is treated as a load of bull by skeptics. But some respected researchers have dared to apply the scientific method to investigate ESP and a few have found some surprising results.

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Some Movies That Changed Filmmaking Feb 26, 2015

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An estimated 50,000 films were made worldwide in 2009 alone. Many are surely clunkers, but in this episode Chuck and Josh talk about the ones that emerged throughout cinema history to change the course of all movies that followed. Get your popcorn.

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Why Do Lefties Exist? Feb 24, 2015

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For at least the last 200,000 years, between 10-15% of the human population are left-handed and this fact has utterly left science baffled. In searching to explain handedness, all sorts of contradictory evidence has emerged, creating a fascinating mystery.

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