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    Astronomy

    Science Friday

    Covering the outer reaches of space to the tiniest microbes in our bodies, Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff.

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    Copyright: © Science Friday

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    Latest Episodes:
    Pregnancy And Coronavirus, Good News For Corals. August 21, 2020, Part 1 Aug 21, 2020
    Show notes

    There’s no guidebook for how to have a baby during a pandemic. Experiences like having loved ones present at the delivery, or inviting grandparents over to meet a newborn have not been an option for everyone during this time. Lockdowns across the U.S., and varying procedures at hospitals and clinics, have created a whole new set of limitations and concerns for new parents.

    Many new parents are dealing with changed birth plans, less in-person health, and the realization that there isn’t much data about how COVID-19, pregnancy and childbirth mix.

    Joining Ira to talk about what it’s like to have a baby during COVID-19 are Oge Emetarom, a birth doula and certified lactation counselor at Your Baby Your Birth in Brooklyn, New York, and Mati Hlatshwayo Davis, a clinical instructor at the Infectious Diseases Clinic at the Washington University School of Medicine in St. Louis. Davis is also a physician at the John Cochran Veterans Hospital.

    Plus, over the past few years, news about coral reefs around the world has largely followed one theme: bad news. Coral populations are declining dramatically, with climate change remaining a big threat.

    But this month, we got some good news about corals in the Florida Keys. Researchers at the Mote Marine Laboratory and Aquarium in Summerland Key found propagated coral they had outplanted in the ocean spawned in the wild. This is a big deal, as it’s the first time restored corals like these have been observed to reach this sexual reproduction milestone.

    Joining Ira to talk about this big breakthrough is Hanna Koch, a postdoctoral research fellow at the Mote Marine Laboratory and Aquarium in Summerland Key, Florida, and Hollie Putnam, assistant professor of biology at the University of Rhode Island in Kingston.

    And on Monday, Interior Secretary Secretary David Bernhardt announced the plan that would auction drilling leases in the Arctic National Wildlife Refuge. Yasmin Tayag of Medium’s OneZero talks about the details of the leases and criticisms of the plan—and checks in on wildfires in California from station KQED.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


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    Iowa Derecho, Showering And Hygiene, Parasites. August 21, 2020, Part 2 Aug 21, 2020
    Show notes

    Dealing With The Aftermath Of Iowa’s Devastating Derecho

    It’s been more than a week since the state of Iowa was hit by a surprise visitor: a line of thunderstorms with unusual power and duration, known as a derecho. The storms swept from South Dakota to Ohio in the course of a day. At its most powerful, the derecho hit Iowa’s Linn County and surroundings with hurricane-force winds amid the rain. Crops like corn and soybeans were flattened, while thousands of homes were damaged—if not completely destroyed.

    Ira talks to Iowa Public Radio reporter Kate Payne and University of Northern Iowa meteorology professor Alan Czarnetzki about the devastating effects and unpredictable power of last week’s storm.

    An Argument For The Benefits Of—Not Bathing

    COVID has us all taking personal hygiene a lot more seriously these days. But for some, staying home during the pandemic has them rethinking their hygiene routines, including not showering.

    If the idea of not showering every day makes you feel icky, how about not showering for years? Writer James Hamblin says he stopped showering five years ago and never looked back. He says his skin has never been better, thanks to his healthy, well-functioning skin microbiome.

    In his new book Clean: The New Science of Skin, Hamblin challenges the conventional wisdom about staying clean, and digs into the history of why we started showering in the first place. He discovered our modern notions of cleanliness have more to do with marketing and advertising than what’s really good for your skin. Hamblin joins Ira to talk about breaking the rules when it comes to cleanliness and discovering the benefits of skipping that shower.

    Should We Conserve Parasites? Some Scientists Say Yes

    The idea of a parasite—an organism that needs a host organism—has always captured our attention and has been the theme of countless movies, from the sci-fi horror film Alien to the Oscar-winning movie Parasite. But a group of scientists say that parasites undeservedly get a bad reputation, and that some of them should even be conserved. They published their 12-point parasite conservation plan in the journal Biological Conservation. Parasite ecologist Skylar Hopkins and museum curator Kayce Bell, who are both authors on the recent article, talk about the role of parasites in the ecosystem and how a conservation plan might work.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


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    Contraceptive Access, Robot Bias, Story Structure. August 14, 2020, Part 2 Aug 14, 2020
    Show notes

    Roboticists, like other artificial intelligence researchers, are concerned about how bias affects our relationship with machines that are supposed to help us. But what happens when the bias is not in the machine itself, but in the people trying to use it?

    Ayanna Howard, a roboticist at Georgia Tech, went looking to see if the “gender” of a robot, whether it was a female-coded robotic assistant like Amazon’s Alexa, or a genderless surgeon robot like those currently deployed in hospitals, influenced how people responded. But what she found was something more troubling sexism—we tend not to think of robots as competent at all, regardless of what human characteristics we assign them.

    Howard joins producer Christie Taylor to talk about the surprises in her research about machines and biases, as well as how to build robots we can trust. Plus, how COVID-19 is changing our relationships with helpful robots.

    Plus, contraceptives have been around since the 19th century, but for decades, more than half of the pregnancies in the United States were unintended. In recent years, that number has improved, but it’s still an astonishingly high 45%. Why is that?

    Family planning is a balancing act. Access to contraception, education on how to use it, and new developments that fit the needs of the public are needed. Even though there have been advances in all these fronts we somehow are still not completely hitting the mark. This is reflected in the high percentages of unintended pregnancies. How can we do better?

    Linda Gordon, a historian and professor at New York University and author of the book The Moral Property of Women: A History of Birth Control Politics in America and Cynthia Harper a professor in the department of obstetrics, gynecology, and reproductive sciences at the University of California, San Francisco join producer Alexa Lim to discuss this.

    And, if you hear the words “once upon a time,” you might guess that you’re hearing the beginning of a child’s fairy tale. And if you hear the words “and they all lived happily ever after,” you know you’ve probably come to the end of the story. But what happens in between? Writing in the journal Science Advances, researchers report that by using computerized text analysis methods, they’ve been able to identify words that help indicate the structure of a narrative.

    The team analyzed thousands of stories—from fiction found on Project Gutenberg to the transcripts of TED Talks—and found some common rules that seem to apply to most narratives. During a story’s introduction and scene-setting parts, for instance, articles such as “a,” “an,” and “the” feature heavily. Conversely, during moments of crisis and conflict, words like “think,” believe,” and “cause” appear. The researchers wanted to find out if these patterns might function as a sort of signal, helping an audience follow plot lines. However, these patterns don’t necessarily make a story any better—the study did not find that stories using these rules were necessarily more popular.

    Ryan Boyd, a psychologist at Lancaster University in the UK, joins Ira to talk about the structure of stories and the rules we use when navigating a narrative.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


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    Faster COVID-19 Testing, Hell Ants. August 14, 2020, Part 1 Aug 14, 2020
    Show notes

    Throughout the pandemic, testing has continued to be one of the biggest issues, particularly in the United States. Some scientists say that the solution is to rethink our COVID-19 testing strategy, focusing on making faster, cheaper tests. While these more cost-effective tests may be lower in sensitivity than the PCR tests and perhaps not as accurate, they would allow for more people to get tested and receive faster results. The system can also help improve case tracking—which is essential as more people return to work, school, and daily lives. Eric Topol, the founder and director of the Scripps Research Translational Institute, talks about how these tests can look ahead for infectious patients rather than those already infected. Plus, epidemiologist Anne Wylie walks us through what the process would look like to develop a rapid test.

    Plus, we’re back with another installment of the Charismatic Creature Corner! This is Science Friday’s place to highlight creatures (broadly defined) that we think are charismatic (even more broadly defined).

    This month, we’re bringing you an ancient ant relative with a possibly offputting name: the Hell Ant. This insect was a subspecies of ants that lived in the Cretaceous period, when T. rexes and velociraptors roamed the earth. The largest hell ants were about a centimeter and a half long, which isn’t much different than some modern ants.

    What makes hell ants so cool, however, is their dramatic headgear. They sport jaws that look like mammoth tusks, sticking out of their faces and moving up and down, a motion similar to our own jaws. Hell ants also had horn-like protrusions coming out of their foreheads, which may have helped them catch and eat prey.

    SciFri’s new Charismatic Creatures Correspondent Kathleen Davis tries to convince Ira that these extinct insects are worthy of the coveted Charismatic Creature title, with the help of Phil Barden, assistant professor of biology at the New Jersey Institute of Technology in Newark, New Jersey.

    Also, climate activists have struggled to convince lawmakers to meaningfully reduce the country’s carbon footprint. Now, new research ties air pollution’s monetary cost to arguments for change. As Vox reports, a Duke University researcher presented findings to Congress last week that air pollution’s effects are roughly twice as bad as previously thought, potentially costing the United States as much as $700 billion per year in avoidable death, illness, and lost productivity—more than the estimated price tag for transitioning to clean energy.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


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    SciFri en Español: El Río Hirviente De Perú Tiene Más De Lo Que El Ojo Ve Aug 12, 2020
    Show notes

    En el verano del 2019, Rosa Vásquez Espinoza bioquímica y candidata a Ph.D. en la Universidad de Michigan Ann Arbor, fue en una expedición al Río Hirviente en la Amazonía peruana para colectar microbios. Ahora, está tratando de comprender el papel que juegan los microbios en la creación de productos naturales, y cómo esa maquinaria se podría utilizar más adelante para manufacturar posibles medicamentos y terapéuticos. En esta nueva entrevista de SciFri en Español, recipiente de la beca en medio de comunicación de la AAAS (siglas en inglés) Attabey Rodríguez Benítez habla con Vásquez Espinosa sobre su investigación en el Río Hirviente de Perú.

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    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


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    Biden Climate Plan, Boiling River. August 7, 2020, Part 1 Aug 07, 2020
    Show notes

    Last month, Vice President Joe Biden unveiled his plan for climate change—a sweeping $2 trillion dollar platform that aims to tighten standards for clean energy, decarbonize the electrical grid by 2035, and reach carbon neutrality for the whole country by 2050. Biden’s plan, like the Green New Deal, purports to create millions of jobs at a time when people are reeling financially from the pandemic—proposing employment opportunities including retrofitting buildings, converting electrical grids and vehicles, and otherwise transforming the country into an energy efficient, emissions-free economy.

    But are the foundations of this plan on solid scientific ground? Yes, say Ira’s guests, political scientist Leah Stokes and energy systems engineer Sally Benson. Stokes and Benson run through Biden’s proposals, explaining what’s ambitious, what’s pragmatic, and what people might show up to vote for.

    Deep in the largest rainforest of Latin America is the Peruvian Boiling River, a name earned from water that can reach 100°C—or about 212°F.

    While the river is hot enough to cook any animal unfortunate enough to wind up in it, its microbes don’t mind. They can handle the heat—and their odd survival mechanisms might have medicinal value.

    Joining Ira to talk about these tiny heat-seekers and the Peruvian Boiling River is Rosa Vásquez Espinoza, a Ph.D. candidate in chemical biology at the University of Michigan.

    See photos and video of Rosa Vásquez Espinoza’s expedition to the Boiling River and learn more about her research on extreme microbes in a feature article on SciFri.

    It’s been a busy week for science news. Cities are still grappling with COVID-19, and in New York City, previously the country’s largest coronavirus hotspot, health commissioner Oxiris Barbot has resigned. She cited Mayor Bill de Blasio’s handling of the pandemic as her reason for doing so, issuing a scathing statement on her way out the door. Barbot is just one of the many health officials around the country who have butted heads with the politicians that oversee them during the pandemic.

    And across the world, devastating explosions in Beirut, Lebanon have injured thousands and killed several dozen. As officials piece together why this happened, they’re pointing to a warehouse of ammonium nitrate as the source of the blasts.

    Joining Ira to talk about these stories, and other science news of the week, is Sophie Bushwick, technology editor at Scientific American in New York, New York.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


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    The End of Everything, Bright Fluorescence, Gene Editing a Squid. August 7, 2020, Part 2 Aug 07, 2020
    Show notes

    When it comes to the eventual end of our universe, cosmologists have a few classic theories: the Big Crunch, where the universe reverses its expansion and contracts again, setting the stars themselves on fire in the process. Or the Big Rip, where the universe expands forever—but in a fundamentally unstable way that tears matter itself apart. Or it might be heat death, in which matter and energy become equally distributed in a cold, eventless soup.

    These theories have continued to evolve as we gain new understandings from particle accelerators and astronomical observations. As our understanding of fundamental physics advances, new ideas about the ending are joining the list. Take vacuum decay, a theory that’s been around since the 1970s, but which gained new support when CERN confirmed detection of the Higgs Boson particle. The nice thing about vacuum decay, writes cosmologist Katie Mack in her new book, The End of Everything: (Astrophysically Speaking), is that it could happen at any time, and would be almost instantaneous—painless, efficient.

    Mack joins Ira to talk about the diversity of universe-ending theories, and how cosmologists like her think about the big questions, like where the universe started, how it might end, and what happens after it does.

    Over the years, researchers have created thousands of chemical dyes that fluoresce in every color of the rainbow—but there’s a catch. Most of those dyes fluoresce most brightly when they’re in a dilute liquid solution. Now, researchers say they’ve created what they call a “plug-and-play” approach to locking those dyes into a solid form, without dimming their light.

    The new strategy uses a colorless, donut-shaped molecule called a cyanostar. When combined with fluorescent dye, cyanostar molecules insulate the dye molecules from each other, and allow them to pack closely together in an orderly checkerboard—resulting in brightly-fluorescing solid materials.

    Amar Flood, a professor of chemistry at Indiana University, says the new materials can be around thirty times brighter than other materials on a per-volume basis, and the approach works for any number of off-the-shelf dyes—no tweaking required. Flood joins SciFri’s Charles Bergquist to discuss the work and possible applications for the new technology.

    Scientists at Woods Hole Marine Biological Laboratory recently thrilled the genetics world by announcing they’ve successfully knocked out a gene in squid for the first time.

    “I’m like a kid in a candy store with how much opportunity there is now,” says Karen Crawford, one of the researchers and a biology professor at St. Mary’s College of Maryland. Crawford explains this modification has huge implications for the study of genetics: Squids’ big brains mean this work could hold the key to breakthroughs in research for human genetic diseases, like Huntington’s disease and cystic fibrosis.

    Joining Ira to talk about the news are Crawford and her co-lead on the research, Josh Rosenthal, a senior scientist at the Marine Biological Laboratory in Woods Hole, Massachusetts.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


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    COVID In Prisons, How Sperm Swim. July 31, 2020, Part 2 Jul 31, 2020
    Show notes

    As the COVID-19 pandemic has spread, it’s become clear certain populations are particularly at risk—including those serving sentences in prisons and jails. The virus has torn through correctional and detention centers across the U.S., with more than 78,000 incarcerated people testing positive for COVID-19 as of July 28, according to the Marshall Project’s data report.

    “Prisons are just the worst possible environment if we are trying to reduce infectious disease,” Zinzi Bailey told SciFri earlier this week on the phone. She is a social epidemiologist at the University of Miami and a principal investigator of the COVID Prison Project, which tracks and analyzes coronavirus data in U.S. correctional facilities. “A lot of people would argue that the conditions are inhumane.” Disease outbreaks have swept through prisons in the past, often due to poor living conditions and limited access to proper health care, Bailey explains. Hepatitis, tuberculosis, and HIV are just a few of the diseases that have historically hit inmates hard.

    Now, the incarcerated, correctional officers, and staff members are battling COVID-19. Detention centers are notoriously overcrowded, making it easy for the virus to spread. The cramped, dormitory-style living conditions, shared spaces, and infrequent sanitation can contribute to increased risk of exposure and infection. In Ohio, for example, the prison system is at 130% capacity, making it “basically impossible” to socially distance inmates, Paige Pfleger, health reporter at WOSU in Columbus, Ohio, told SciFri on the phone last week.

    Yet incarcerated people living in these conditions have little to no access to protection. Some have resorted to making face coverings out of shirts and boxer shorts. At the beginning of the pandemic, some correctional officers in Arizona prisons were not allowed to wear masks.

    “Correctional officers were originally told that if they did wear masks, it would scare inmates—that they’re going to think, ‘Oh my gosh, this is a really serious virus,’” says Jimmy Jenkins, senior field correspondent and criminal justice reporter at KJZZ in Phoenix, Arizona. “I got letters from all these inmates saying they were scared of dying.”

    Access to testing among the incarcerated population has also varied state to state. Ohio conducted mass tests in some of the facilities in April, but have been unable to retest in order to track community spread, says Pfleger. In Arizona, inmates are reporting that “only the sickest of the sick are actually getting tested,” says Jenkins.

    Coronavirus outbreaks in prisons often spill over into the rest of the community. Contract workers and correctional officers coming in and out of detention facilities can cause further spread of the virus. This is concerning, particularly in Black, Latino, and Native American communities with an already increased risk of contracting the disease.

    “We believe that there’s going to be a connection between the communities of color that are around prisons, and the prisons themselves,” says John Eason, an assistant professor of sociology at the University of Wisconsin-Madison, who spoke to Science Friday over the phone earlier in the week. In an ongoing study with the Dane County Criminal Justice Council, “we’re going to be able to parse that out to see the role of corrections officers.” He suspects they may find officers are “basically incubators—or vectors between communities and the prisons that they work in.”

    The inmates are like “guinea pigs,” says Zinzi Bailey. “It’s like an experiment, and we are letting it run its course in these prisons,” she says—but one without an ethical review. “What is being made clear through this pandemic is the United States’ reliance on incarceration makes us more vulnerable to pandemics like this.”

    Paige Pfleger and Jimmy Jenkins tell us more about how their states are responding to coronavirus outbreaks in prisons. Then, social epidemiologist Zinzi Bailey provides a closer look at the trends in American prisons—and what COVID-19 is revealing about public health in these systems.

    We didn’t always understand the basic science of where babies come from. Theories abounded, but until the 19th century, there was little understanding of how exactly pregnancy occurred, or even how much each parent actually contributed to the reproductive process.

    In 1677, a Dutch scientist named Antonie van Leeuwenhoek peered into a microscope and observed, for the first time in recorded history, the side-to-side swimming of tiny sperm cells. He wrote they looked like “an eel swimming in water.” At the time, van Leeuwenhoek thought those cells were tiny worms—maybe even parasites. It took several hundred more years before scientists understood even the crude theory of reproduction as most of us are taught: That a sperm and an egg cell combine inside the fallopian tubes.

    But, as it turns out, even the movement of sperm first described by van Leeuwenhoek—and corroborated ever since in two-dimensional, overhead microscope views—might be wrong. A team of scientists writing in the journal Science Advances this week report finally viewing sperm movement in three dimensions. With the help of 3D microscopy and high-speed photography, they describe a “wonky,” lopsided swimming motion that would keep sperm swimming in circles—if they didn’t also have a corkscrew-like spin that let them move forward “like playful otters.”

    Hermes Gadelha, a senior lecturer in mathematical and data modeling at the University of Bristol in the United Kingdom, talks to John Dankosky about the complexity and beauty of these swimming cells, and why understanding their movement better could lead to breakthroughs in infertility treatment—or even other kinds of medicine.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


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    Science In Space, Sports and COVID, Science Diction. July 31, 2020, Part 1 Jul 31, 2020
    Show notes

    Astronauts have conducted all sorts of experiments in the International Space Station—from observations of microgravity on the human to body to growing space lettuce. But recently, cosmonauts bioengineered human cartilage cells into 3D structures aboard the station, using a device that utilizes magnetic levitation.

    The results were recently published in the journal Science Advances. Electrical engineer Utkan Demirci and stem cell biologist Alysson Muotri what removing gravity can reveal about basic biological questions, and how you design experiments to run in space.

    Major League Baseball’s season opened to great fanfare last week, amid the pandemic. But 18 players and staff of the Miami Marlins have already tested positive for COVID-19—forcing the team to pause their season until at least next week. Meanwhile, the NBA has quarantined their entire roster in a bubble in the Magic Kingdom in Florida.

    Sports reporter Ben Cohen and epidemiologist Zachary Binney talk about the strategies and effectiveness of different leagues as competitive sports attempt to make a COVID-19 comeback.

    Ketchup has long been central to American culture. We use it in hot dogs, burgers, fries—and the list goes on. But have you ever wondered why we even call it ‘ketchup,’ or where the condiment came from?

    It turns out there are many words related to food—like restaurant, umami, and “rocky road”—that have an interesting science backstory. To trace the origins of these words, Science Friday’s word nerd Johanna Mayer joins John Dankosky to talk about the origins of the word ketchup, and the new season of her podcast ‘Science Diction.’

    As American pharmaceutical company Moderna’s COVID-19 vaccine candidate entered Phase 3 of human clinical trials this week—an important step in what is still an early phase of its development—Russia claims a vaccine of its own will be approved for use as soon as mid-August, prompting safety concerns. But questions about vaccines extend far beyond who is first. What happens next for the people around the world waiting for protection from the pandemic? As Science Magazine reports, rich nations have placed hundreds of millions of advance orders for successful vaccines, while poorer countries worry that there will be little left for everyone else.

    Maggie Koerth, senior science reporter for FiveThirtyEight, discusses this story and more news from the week, including the discovery of 100-million-year-old microbes living beneath the ocean floor.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


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    SciFri Extra: The Origin Of The Word 'Ketchup' Jul 28, 2020
    Show notes

    Science Diction is back! This time around, the team is investigating the science, language, and history of food. First up: Digging into America's favorite condiment, ketchup!

    At the turn of the 20th century, 12 young men sat in the basement of the Department of Agriculture, eating meals with a side of borax, salicylic acid, or formaldehyde. They were called the Poison Squad, and they were part of a government experiment to figure out whether popular food additives were safe. (Spoiler: Many weren’t.) Food manufacturers weren’t pleased with the findings, but one prominent ketchup maker paid attention. Influenced by these experiments, he transformed ketchup into the all-American condiment that we know and love today. Except ketchup—both the sauce and the word—didn't come from the United States. The story of America’s favorite condiment begins in East Asia.

    Want more Science Diction? Subscribe on Apple podcasts, or wherever you get your podcasts.

    Harvey Wiley (back row, third from left) and the members of The Poison Squad.
    (U.S. Food and Drug Administration)

    Members of the Poison Squad dining in the basement of the Department of Agriculture. Harvey Wiley occasionally ate with them, to offer encouragement and support.
    (U.S. Food and Drug Administration)

    The members of the Poison Squad came up with their own inspirational slogan, which hung on a sign outside the dining room.
    (U.S. Food and Drug Administration )

    Guest

    Alan Lee is a freelance linguist and native Hokkien speaker.

    Footnotes And Further Reading

    The Poison Squad by Deborah Blum tells the very entertaining history of Harvey Wiley, the early days of food regulation in the United States, and, of course, the Poison Squad.

    The Language of Food by Dan Jurafsky is a word nerd’s dream, and contains more on ketchup’s early history. Special thanks to Dan Jurafsky for providing background information on the early history of ketchup for this episode.

    Can't get enough ketchup history? Check out Pure Ketchup: A History of America's National Condiment With Recipesby Andrew F. Smith.

    Learn more about ketchup's early origins in Dan Jurafsky's Slate article on "The Cosmopolitan Condiment."

    Credits

    Science Diction is hosted and produced by Johanna Mayer. Our editor and producer is Elah Feder. We had additional story editing from Nathan Tobey. Our Chief Content Office is Nadja Oertelt. Fact checking by Michelle Harris, with help from Danya AbdelHameid. Daniel Peterschmidt is our composer, and they wrote our version of the “Song of the Poison Squad.” We had research help from Cosmo Bjorkenheim and Attabey Rodríguez Benítez. Sound design and mastering by Chris Wood.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


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