Radio Lab

Radiolab is on a curiosity bender. We ask deep questions and use investigative journalism to get the answers. A given episode might whirl you through science, legal history, and into the home of someone halfway across the world. The show is known for innovative sound design, smashing information into music. It is hosted by Lulu Miller and Latif Nasser.
  • This is episode five of Swimming with Shadows: A Radiolab Week of Sharks.

    Today, the strange, squirmy magic behind how sharks make more sharks. Drills. Drama. Death. Even a coliseum of baby sharks duking it out inside mom’s womb. And a man on a small island in the Mediterranean trying, against all odds, to give baby sharks a chance in a little plastic aquarium in his living room. Can a human raise a shark? And if so, what good is that for sharks? And for us? Doo doo doo doo doo doo.

    Special thanks to Jaime Penadés Suay and la Fundación Azul Marino.

    EPISODE CREDITS: 
    Reported by - Rachael Cusick
    Produced by - Rachael Cusick
    with mixing help from - Jeremy Bloom
    Fact-checking by - Diane Kelly
    and Edited by  - Pat Walters

    EPISODE CITATIONS:

    Articles - 
    Claudia’s original reporting that inspired the episode

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    Radiolab is supported by listeners like you. Support Radiolab by becoming a member of The Lab (https://members.radiolab.org/) today.

    Follow our show on Instagram, Twitter and Facebook @radiolab, and share your thoughts with us by emailing radiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • This is episode four of Swimming with Shadows: A Radiolab Week of Sharks.

    Alison Kock was working at a car wash in Cape Town when she made a discovery that completely changed the course of her life. Inside a customer’s trunk, she found photographs of white sharks flying so high above the water they looked like airplanes. She followed those photographs to False Bay, “the Great White Capital of the World.” These sharks, in this place, are the apex of apex predators. Or they were. Until they mysteriously began to disappear.

    Special thanks to Kathryn Ayres.

    EPISODE CREDITS: 
    Reported by - Rachael Cusick 
    Produced by - Simon Adler and Maria Paz Gutierrez
    with help from - Rebecca Laks 
    Original music from - Simon Adler and Maria Paz Gutierrez
    Sound design contributed by - Jeremy Bloom
    with mixing help from - Jeremy Bloom
    Fact-checking by - Diane A. Kelly
    and Edited by  - Pat Walters

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    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • This is episode three of Swimming with Shadows: A Radiolab Week of Sharks.

    Today, we take a trip across the world, from the south coast of Australia to … Wisconsin. Here, scientists are scouring shark blood to find one of nature’s hidden keys, a molecular superhero that might unlock our ability to cure cancer: shark antibodies. They’re small. They’re flexible. And they can fit into nooks and crannies on tumors that our antibodies can’t.

    We journey back 500 million years to the moment sharks got these special powers and head to the underground labs transforming these monsters into healers. Can these animals we fear so much actually save us? 

    Special thanks to Mike Criscitiello, David Schatz, Mary Rose Madden, Ryan Ogilvie, Margot Wohl, Sofi LaLonde, and Isabelle Bérubé.

    EPISODE CREDITS: 
    Reported by - Becca Bressler
    Produced by - Becca Bressler and Matt Kielty
    Original music from - Matt Kielty and Jeremy Bloom
    Sound design contributed by - Matt Kielty, Jeremy Bloom, and Becca Bressler
    with mixing help from - Jeremy Bloom
    Fact-checking by - Diane Kelly
    and Edited by  - Pat Walters

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.
    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • This is episode two of Swimming with Shadows: A Radiolab Week of Sharks.

    Jaws spawned a thousand imitators: sharks in tornados, sharks in avalanches, sharks that battle giant octopuses. Hollywood has officially turned sharks into monsters of every shape and size. And yet, somehow, there will always be more.

    But drop below the surface, into the cold, quiet blue, and another creature appears. One that has survived mass extinctions, outlasted ancient predators and pre-dates Mount Everest, the existence of trees, even the rings of Saturn. A shark that is somehow even more remarkable than sharks in tornadoes.

    Today, we go visit that shark. 

    Special thanks to Andrew Fox, the entire team atRodney Fox Shark Expeditions, John Long whose bookThe Secret History of Sharks inspired our obsession with sharks, and Greg Skomal, whose wonderful new book on his life studying white sharks isChasing Shadows: My Life Tracking the Great White Shark.

    EPISODE CREDITS: 
    Reported by - Rachael Cusick
    with help from - Pat Walters
    Produced by - Rachael Cusick and Simon Adler
    with help from - Pat Walters
    Sound design contributed by - Jeremy Bloom
    with mixing help from - Jeremy Bloom
    Fact-checking by - Natalie Middleton
    and Edited by  - Pat Walters

    EPISODE CITATIONS:
    Videos - 
    Loved learning about all the different kinds of sharks there are? Check out even more Jaida Elcock’s videos on sharks.

    Book - 
    The Secret History of Sharks by John Long 

    Chasing Shadows: My Life Tracking the Great White Shark by Greg Skomal

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    Radiolab is supported by listeners like you. Support Radiolab by becoming a member ofThe Lab (https://members.radiolab.org/) today.

    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.
    Leadership support for Radiolab’s science programming is provided by the Simons Foundation and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • Episode one of Swimming with Shadows: A Radiolab Week of Sharks.

    Rodney Fox went into the ocean one summer day in 1963. He came out barely alive, his body torn apart by a great white shark. At the time, it was one of the worst shark attacks ever survived.

    After he recovered, he was pulled back into the shadowy world he feared most. Again and again and again. That shark attack left behind a question that still lingers, for Rodney, and for all of us: When you can’t see the thing that scares you, what kind of monster does your mind create? And how do you fight past it?

    Special thanks to Surekha Davies, Asa Mittman, Scott Poole, and Maria Tatar.

    EPISODE CREDITS:
    Reported by - Rachael Cusick
    with help from - Pat Walters
    Produced by - Rachael Cusick and Pat Walters
    Sound design contributed by - Jeremy Bloom
    with mixing help from - Jeremy Bloom
    Fact-checking by - Diane Kelly
    and Edited by  - Pat Walters

    Signup for our newsletter!! It includes short essays, recommendations, and details about other ways to interact with the show. Sign up (https://radiolab.org/newsletter)!

    Radiolab is supported by listeners like you. Support Radiolab by becoming a member of The Lab (https://members.radiolab.org/) today.

    Follow our show on Instagram, Twitter and Facebook @radiolab, and share your thoughts with us by emailing radiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • In the summer of 1975, Jaws scared an entire generation out of the water. The film burned an idea into our cultural memory: they are mindless, man-eating monsters. We set out to tell a different story about sharks. Five stories over five days. We tear down deep-seated myths about sharks, plunge into the water with them, and find sharks that explode our sense of what they are – flying sharks, glowing sharks, baby sharks, sharks under attack, and sharks that may save millions of human lives.

    Look out for brand-new episodes in your podcast feed starting June 16th through June 20th. 

    Visit our YouTube channel to check out the video trailer for the series and make sure to subscribe for more behind the scenes content throughout the week.  

    For more details about the series, visit radiolab.org/sharks

    Follow us on Instagram @radiolab

  • We first aired this episode in 2012, but at the show we’ve been thinking a lot about resilience and repair so we wanted to play it for you again today. It’s about a man who experienced maybe one of the most chilling traumas… twice. But then, it leads us to a story of generational repair. 

    On the morning of August 6th, 1945, Tsutomu Yamaguchi was in Hiroshima on a work trip. He was walking to the office when the first atomic bomb was dropped about a mile away. He survived, and eventually managed to get himself onto a train back to his hometown... Nagasaki. The very next morning, as he tried to convince his boss that a single bomb could destroy a whole city, the second bomb dropped. Author Sam Kean tells Jad and Robert the incredible story of what happened to Tsutomu, explains how gamma rays shred DNA, and helps us understand how Tsutomu sidestepped a thousand year curse.

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    Leadership support for Radiolab’s science programming is provided by the Simons Foundation and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • Doctor and special correspondent, Avir Mitra takes Lulu on an epic journey live on stage at a little basement club called Caveat, here in New York. Starting with an ingredient in breastmilk that babies can’t digest, a global hunt that takes us from Bangladesh to the Mennonite communities here in the US, we discover an ancient symbiotic relationship that might be on the verge of disappearing.  So sip a vicarious cocktail, settle in, and explore the surprising ways our bodies forge deep, invisible connections that shape our lives.

    This live show is part of a series we are doing with Avir that we are calling “Viscera.” Each event is conversation that takes the audience on journey into a quirk or question or mystery inside of us, and gives them a visceral experience with the viscera of us. The previous installment of the series, was called “How to Save a Life.”

    Special thanks to Tim Brown, David Mills, Carlito Lebrilla, Bethany Henrik, Danielle Lemay, Katie Hinde, Jennifer Smilowitz, Angela Zivkovic, Daniela Barile, Mark Underwood

    EPISODE CREDITS:
    Reported by -Avir Mitra
    with help from - Anisa Vietze
    Original music from - Dylan Keefe
    Sound design contributed by - Dylan Keefe, Iván Barenboim
    Fact-checking by -Natalie Middleton.

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.
    Leadership support for Radiolab’s science programming is provided by the Simons Foundation and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • Animals rescue people all the time, but not like this. In this episode, first aired more than a decade ago, Jim Eggers is a 44-year-old man who suffers from a problem that not only puts his life at risk—it jeopardizes the safety of everybody around him. But with the help of Sadie, his pet African Grey Parrot, Jim found an unlikely way to manage his anger. African Grey Parrot expert Irene Pepperberg helps us understand how this could work, and shares some insights from her work with a parrot named Alex.

    And one quick note from our producer Pat Walters: Jim considers Sadie to be a “service animal,” a designation under the Americans with Disabilities Act that protects the rights of individuals with disabilities to bring certain animals into public places. The term service animal sometimes is legally limited to include only dogs and miniature horses. 

    Jim disagrees with those limitations, but the local bus company, regardless of definitions, said they’ll make an exception for Sadie.

  • Today you can convert speech to text with the click of a button. Youtube does it for all our videos. Our phones will do it in real time. It’s frictionless. And yet, if it weren’t for an unlikely crew of protesters and office workers, it might still be impossible. 

    This week, the story of our attempts to make the spoken visible. The magicians who tried. And the crazy spell that finally did it. 

    EPISODE CREDITS: 
    Reported by - Simon Adler
    Produced by - Simon Adler
    Original music from - Simon Adler
    Sound design contributed by - Simon Adler 
    with mixing help from - Jeremy Bloom
    Fact-checking by - Anna Pujol-Mazzini

    Signup for our newsletter!! It includes short essays, recommendations, and details about other ways to interact with the show.Sign up (https://radiolab.org/newsletter)!

    Radiolab is supported by listeners like you. Support Radiolab by becoming a member ofThe Lab (https://members.radiolab.org/) today.

    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Simons Foundation and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • Now that we have the ability to see inside the brain without opening anyone's skull, we'll be able to map and define brain activity and peg it to behavior and feelings. Right? Well, maybe not, or maybe not just yet. It seems the workings of our brains are rather too complex and diverse across individuals to really say for certain what a brain scan says about a person. But Nobel prize winner Eric Kandel and researcher Cynthia Fu tell us about groundbreaking work in the field of depression that just may help us toward better diagnosis and treatment.

    Anything that helps us treat a disease better is welcome. Doctors have been led astray before by misunderstanding a disease and what makes it better. Neurologist Robert Sapolsky tells us about the turn of the last century, when doctors discovered that babies who died inexplicably in their sleep had thymus glands that seemed far too large. Blasting them with radiation shrank them effectively, and so was administered to perfectly healthy children to prevent this sudden infant death syndrome...

    Leadership support for Radiolab’s science programming is provided by the Simons Foundation and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • What happens when a voice emerges? What happens when one is lost? Is something gained? A couple months ago, Lulu guest edited an issue of the nature magazine Orion. She called the issue “Queer Planet: A Celebration of Biodiversity,” and it was a wide-ranging celebration of queerness in nature. It featured work by amazing writers like Ocean Vuong, Kristen Arnett, Carmen Maria Machado and adrienne maree brown, among many others. But one piece in particular struck Lulu as something that was really meant to be made into audio, an essay called “Key Changes,” by the writer Sabrina Imbler. If their name sounds familiar, it might be because they’ve been on the show before. In this episode, we bring you Sabrina’s essay – which takes us from the beginning of time, to a field of crickets, to a karaoke bar – read by the phenomenal actor Becca Blackwell, and scored by our director of sound design Dylan Keefe. Stay to the end for a special surprise … from Amy Ray of the Indigo Girls!

    Special thanks to Jay Gallagher from UC Davis.

    EPISODE CREDITS: 
    Reported by - Sabrina Imbler
    Produced by - Annie McEwen and Pat Walters
    with help from - Maria Paz Gutiérrez
    Original music from - Dylan Keefe
    Fact-checking by - Kim Schmidt
    and Edited by  - Tajja Isen and Pat Walters

    EPISODE CITATIONS:

    Articles - 
    Check out Queer Planet: A Celebration of Biodiversity, Orion Magazine (Spring 2025)
    Read Sabrina Imbler’s original essay, “Key Changes,” Orion Magazine (Spring 2025)
    Read Lulu Miller’s mini-essay, “Astonishing Immobility,” Orion Magazine (Spring 2025)
    Check out Sabrina Imbler’s Defector column Creaturefector all about animals

    Audio - 
    Listen to Amy Ray’s song “Chuck Will’s Widow” from her solo album If It All Goes South

    Books - 
    How Far the Light Reaches: A Life in Ten Sea Creatures, by Sabrina Imbler

    Signup for our newsletter!! It includes short essays, recommendations, and details about other ways to interact with the show.Sign up (https://radiolab.org/newsletter)!

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Simons Foundation and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • Today we bring you a story stranger than fiction. In 2006, paleobiologist Natalia Rybczynski took a helicopter to a remote Arctic island near the North Pole, spending her afternoons scavenging for ancient treasures on the ground. One day, she found something the size of a potato chip. Turns out, it was a three and half million year old chunk of bone. 

    Keep reading if you’re okay with us spoiling the surprise.

    It’s a camel! Yes, the one we thought only hung out in deserts. Originally from North America, the camel trotted around the globe and went from snow monster to desert superstar. We go on an evolutionary tour of the camel’s body and learn how the same adaptations that help a camel in a desert also helped it in the snow. Plus, Lulu even meets one in the flesh. 

    Special thanks to Latif Nasser for telling us this story. It was originally a TED Talk where he brought out a live camel on stage. Thank you also to Carly Mensch, Juliet Blake, Anna Bechtol, Stone Dow, Natalia Rybczynski and our camel man, Shayne Rigden. If you are in Wisconsin, you can go meet his camels at Rigden Ranch. And follow his delightful TikTok @rigdenranch to see camels in the snow!  

    Terrestrials was created by Lulu Miller with WNYC Studios. This episode was produced by Ana González, Alan Goffinski, Mira Burt-Wintonick, Joe Plourde, Lulu Miller, and Sarah Sandbach, with help from Tanya Chawla and Natalia Ramirez. Fact checking by Anna Pujol-Mazzini. 

    Our advisors this season are Ana Luz Porzecanski, Anil Lewis, Dominique Shabazz, and Liza Demby.

    Support for Terrestrials also comes from the Simons Foundation, the Arthur Vining Davis Foundations, and the John Templeton Foundation.

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    Radiolab is supported by listeners like you. Support Radiolab by becoming a member ofThe Lab (https://members.radiolab.org/) today.

    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Simons Foundation and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • For years, scientists thought nothing could live above 73℃/163℉.  At that temperature, everything boiled to death. But scientists Tom Brock and Hudson Freeze weren’t convinced. What began as their simple quest to trawl for life in some of the hottest natural springs on Earth would, decades later, change the trajectory of biological science forever, saving millions of lives—possibly even yours.

    This seismic, totally unpredictable discovery, was funded by the U.S. government. This week, as the Trump administration slashes scientific research budgets en masse, we tell one story, a parable about the unforeseeable miracles that basic research can yield. After that, a familiar voice raises some essential questions: what are we risking with these cuts? And can we recover?

    Special thanks to Joanne Padrón Carney, Erin Heath, Valeria Sabate, Gwendolyn Bogard, Meredith Asbury and Megan Cantwell at AAAS. Thank you as well to Gregor Čavlović and Derek Muller and the rest of the Veritasium team.

    EPISODE CREDITS: 
    Reported by - Latif Nasser
    with help from - Maria Paz Gutiérrez
    Produced by - Sarah Qari and Maria Paz Gutiérrez
    Original music and sound design and mixing from - Jeremy Bloom
    Fact-checking by - Emily Kreiger
    and Edited by  - Alex Neason with help from Sarah Qari

    EPISODE CITATIONS:

    Videos - 
    Latif also helped make a version of this story with the YouTube channel Veritasium

    Articles - 
    Hudson Freeze NYT OPED: Undercutting the Progress of American Science

    Books -
    Thomas Brock, A Scientist in Yellowstone National Park
    Paul Rabinow’s Making PCR: A Story of Biotechnology

    Podcasts Episodes:
    If you haven’t heard, listen to our first episode about the Golden Goose awards. 

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    Radiolab is supported by listeners like you. Support Radiolab by becoming a member ofThe Lab (https://members.radiolab.org/) today.

    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • In honor of our Earth, on her day, we have two stories about the overlooked, ignored, and neglected parts of nature. In the first half, we learn about an epic battle that is raging across the globe every day, every moment. It's happening in the ocean, and your very life depends on it. In the second half, we make an earnest, possibly foolhardy, attempt to figure out the dollar value of the work of bats and bees as we try to keep our careful calculations from falling apart in the face of the realities of life, and love, and loss.

    Sign up for our newsletter!! It includes short essays, recommendations, and details about other ways to interact with the show.Sign up (https://radiolab.org/newsletter)!

    Radiolab is supported by listeners like you. Support Radiolab by becoming a member ofThe Lab (https://members.radiolab.org/) today.

    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • A couple years ago, an entomologist named Martha Weiss got a letter from a little boy in Japan saying he wanted to replicate a famous study of hers. We covered that original study on Radiolab more than a decade ago in an episode called Goo and You – check it out here – and in addition to revealing some fascinating secrets of insect life, it also raises big questions about memory, permanence and transformation. The letter Martha received about building on this study set in motion a series of spectacular events that advance her original science and show how science works when a 12-year-old boy is the one doing it. Martha’s daughter, reporter Annie Rosenthal, captured all of it and turned it into a beautiful audio story called “Caterpillar Roadshow.” It was originally published in a brand new independent audio magazine called Signal Hill, which happens to have been created in part by two former Radiolab interns (Liza Yeager and Jackson Roach, both of whom worked on this piece), and we loved it, so we’re presenting an excerpt for you here.

    Special thanks toAnnie Rosenthal, Liza Yeager, Jackson Roach, Leo Wong, Omar Etman, the whole team at Signal Hill, Carlos Morales, John Lill, Marfa Public Radio and Emma Garschagen.

    EPISODE CREDITS: 
    Reported by - Annie Rosenthal
    Produced by - Annie Rosenthal
    with help from - Leo Wong and Omar Etman
    Sound design contributed by - Liza Yeager and Jackson Roach
    Fact-checking by - Alan Dean
    and Edited by  - Liza Yeager and Jackson Roach

    EPISODE CITATIONS:

    Audio -  
    Listen to the original Radiolab episode, Goo and You, here (https://zpr.io/qh9xqpkXzk7j).

    Or the Signal Hill podcast here (https://zpr.io/CDfwyK7Zkrva).

    Guests - 
    And if you want to learn more about Martha Weiss, and her work, head over here (https://zpr.io/aBw2YsqWB6NZ).

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    Radiolab is supported by listeners like you. Support Radiolab by becoming a member ofThe Lab (https://members.radiolab.org/) today.

    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.


    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • In an episode first aired in 2012, Lulu Miller introduces us to Jeff Lockwood, a professor at the University of Wyoming, who spent a part of his career studying a particularly ferocious set of insects: Gryllacrididae. Or, as Jeff describes them, "crickets on steroids." They have crushingly strong, serrated jaws, and they launch all-out attacks on anyone who gets in their way--whether it's another cricket, or the guy trying to take them out of their cages.

    In order to work with the gryllacridids, Jeff had to figure out how to out-maneuver them. And as he devised ways to keep from getting slashed and bitten, he felt like he was getting to know them. Maybe they weren't just mindless brutes... but their own creatures, each with their own sense of self. And that got him wondering: what could their fierceness tell him about the nature of violence? How well could he understand the minds of these insects, and what drove them to be so bloody?

    That's when the alarm bells went off. Jeff would picture his mentor, Dr. LaFage, lecturing him back in college--warning him not to slip into a muddled, empathic mood... not to let his emotions sideswipe his objectivity. And that would usually do the trick--Jeff would think of LaFage, and rein himself back in.

    But then one night, something happened that gave Dr. LaFage's advice a terrible new kind of significance. Tamra Carboni tells us this part of the story, and challenges Jeff's belief that there's a way to understand it.

    Hey, one other thing, if you live, or are planning to be, in NYC on April 22nd, come check out our NEW LIVE SHOW!!

    Radiolab Presents: Viscera - The Elixir of Life
    Where: Caveat Theater on the Lower East Side, NY NY 
    When: April 22nd Doors @ 7 pm
    GET YOUR TICKETS, HERE!! 
    (https://www.caveat.nyc/events/radiolab-presents-viscera-%E2%80%93-the-elixir-of-life-4-22-2025)

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • Earth can sustain life for another 100 million years, but can we?

    In this episode, we partnered with the team at Planet Money to take stock of the essential raw materials that enable us to live as we do here on Earth—everything from sand to copper to oil— and tally up how much we have left. Are we living with reckless abandon? And if so, is there even a way to stop? This week, we bring you a conversation that’s equal parts terrifying and fascinating, featuring bird poop, daredevil drivers, and some staggering back-of-the-envelope math.

    EPISODE CREDITS:
    Reported by - Jeff Guo and Latif Nasser
    Produced by - Pat Walters and Soren Wheeler
    with production help from - Sindhu Gnanasambandan 
    and editing help from  - Alex Goldmark and Jess Jiang
    Fact-checking by - Natalie Middleton 
     

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    Radiolab is supported by listeners like you. Support Radiolab by becoming a member ofThe Lab (https://members.radiolab.org/) today.

    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • We all think we know the story of pregnancy. Sperm meets egg, followed by nine months of nurturing, nesting, and quiet incubation. this story isn’t the nursery rhyme we think it is. In a way, it’s a struggle, almost like a tiny war. And right on the front lines of that battle is another major player on the stage of pregnancy that not a single person on the planet would be here without. An entirely new organ: the placenta.

    In this episode, which we originally released in 2021, we take you on a journey through the 270-day life of this weird, squishy, gelatinous orb, and discover that it is so much more than an organ. It’s a foreign invader. A piece of meat. A friend and parent. And it’s perhaps the most essential piece in the survival of our kind.

    Special thanks to Diana Bianchi, Julia Katz, Sam Behjati, Celia Bardwell-Jones, Mathilde Cohen, Hannah Ingraham, Pip Lipkin, and Molly Fassler.

    EPISODE CREDITS: 
    Reported by - Heather Radke and Becca Bressler
    with help from - Molly Webster
    Produced by - Becca Bressler
    with help from - Pat Walters, Maria Paz Gutierrez

    EPISODE CITATIONS:

    Articles:
    Check out Harvey’s latest paper published with Julia Katz.
    Sam Behjati's latest paper on the placenta as a "genetic dumping ground". 

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    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • It’s easy to take growth for granted, for it to seem expected, inevitable even. Every person starts out as a baby and grows up. Plants grow from seeds into food. The economy grows. That stack of mail on your table grows. But why does anything grow the way that it does? In this hour, we go from the Alaska State Fair, to a kitchen in Berkeley, to the deep sea, to ancient India, to South Korea, and lots of places in between, to investigate this question, and uncover the many forces that drive growth, sometimes wondrous, sometimes terrifying, and sometimes surprisingly, unnervingly fragile.

    Special thanks to Elie Tanaka, Keith Devlin, Deven Patel, Chris Gole, James Raymo and Jessica Savage

    EPISODE CREDITS: 
    Reported by - Matt Kielty, Becca Bressler, Pat Walters, Sindhu Gnanasambandun, Annie McEwen, Simon Adler
    with help from - Rae Mondo
    Produced by - Matt Kielty, Becca Bressler, Pat Walters, Sindhu Gnanasambandun, Annie McEwen, Simon Adler
    Sound design contributed by - Jeremy Bloom
    with mixing help from - Jeremy Bloom
    Fact-checking by - Emily Krieger and Natalie Middleton
    and Edited by  - Pat Walters

    EPISODE CITATIONS:
    Audio:
    “The Joy of Why,”(https://www.quantamagazine.org/tag/the-joy-of-why/) Steve Strogatz’s podcast. 

    Articles:
    “The End of Children,”(https://zpr.io/WBdg6bi8xwnr) The New Yorker, by Gideon Lewis-Kraus

    Books:
    Finding Fibonacci (https://zpr.io/3EjviAttUFke) by Keith Devlin
    Do Plants Know Math (https://zpr.io/bfbTZDJ8ehx5) by Chris Gole

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • In 2017 our sister show, More Perfect aired an episode all about RBG, In September of 2020, we lost Supreme Court Justice Ruth Bader Ginsburg to the annals of history. She was 87. Given the atmosphere around reproductive rights, gender and law, we decided to re-air this More Perfect episode dedicated to one of her cases. Because it offers a unique portrait of how one person can make change in the world. 

    This is the story of how Ginsburg, as a young lawyer at the ACLU, convinced an all-male Supreme Court to take discrimination against women seriously - using a case on discrimination against men. 

    Special thanks to Stephen Wiesenfeld, Alison Keith, and Bob Darcy.

    Supreme Court archival audio comes from Oyez®, a free law project in collaboration with the Legal Information Institute at Cornell.

    EPISODE CREDITS: 
    Reported by - Julia Longoria
    Produced by - Julia Longoria
    Original music and sound design contributed by - Alex Overington

    Our newsletter comes out every Wednesday. It includes short essays, recommendations, and details about other ways to interact with the show.Sign up (https://radiolab.org/newsletter)!

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • Today we uncover an invisible killer hidden, for over a hundred years, by reasonable disbelief. Science journalist extraordinaire Carl Zimmer tells us the story of a centuries-long battle of ideas that came to a head, with tragic consequences, in the very recent past. His latest book, called Airborne, details a  largely forgotten history of science that never quite managed to get off the ground. Along the way, Carl helps us understand how we can fail, over and over again, to see a truth right in front of our faces. And how we finally came around thanks to scientific evidence hidden inside a song.

    EPISODE CREDITS:
    Reported by - Carl Zimmer
    Produced by - Sarah Qari
    with mixing help from - Jeremy Bloom
    Fact-checking by - Natalie Middleton

    EPISODE CITATIONS:
    Books -  Check out Carl Zimmer’s new book, Airborne (https://zpr.io/Q5bdYrubcwE4).

    Articles -  Read about the study on the Skagit Valley Chorale COVID superspreading event(https://pubmed.ncbi.nlm.nih.gov/32979298/).

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.
    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • Today, a story that starts small and private, with one woman alone in her bathroom, as she makes a quiet, startling discovery about her own body. But that small, private moment grows and grows, and pretty soon it becomes something so big that it has impacted the life of every person reading this right now… and all that without the woman ever even knowing the impact she had. We originally aired this story back in 2010, but we thought we’d bring it back today, as questions about bodily autonomy circle with renewed force.

    EPISODE CREDITS: 
    Reported by - Rebecca Skloot

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    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • Annie McEwen went to a mountain in Pennsylvania to help catch some migratory owls. Then Scott Weidensaul peeled back the owl’s feathery face disc, so that she could look at the back of its eyeball. No owls were harmed in the process, but this brief glimpse into the inner workings of a bird sent her off on a journey to a place where fleshy animal business bumps into the mathematics of subatomic particles. With help from Henrik Mouristen, we hear how one of the biggest mysteries in biology might finally find an answer in the weird world of quantum mechanics, where the classical rules of space and time are upended, and electrons dance to the beat of an enormous invisible force field that surrounds our planet.

    A very special thanks to Rosy Tucker, Eric Snyder, Holly Merker, and Seth Benz at the Hog Island Audubon Camp. Thank you to the owl-tagging volunteers Chris Bortz, Cassie Bortz, and Cheryl Faust at Hawk Mountain Sanctuary. Thank you to Jeremy Bloom and Jim McEwen for helping with the owls. Thank you to Isabelle Andreesen at the University of Oldenburg and thank you to Andrew Farnsworth at the Cornell Lab of Ornithology, as well as Nick Halmagyi and Andrew Otto. Thank you everyone!

    EPISODE CREDITS: 

    Reported by -  Annie McEwen
    Produced by -  Annie McEwen
    Original music and sound design contributed by -  Annie McEwen
    with field recording and reporting help by - Jeremy S. Bloom
    Fact-checking by -  Natalie Middleton
    and Edited by  -  Becca Bressler

    EPISODE CITATIONS:

    Places -  
    Check out Hog Island Audubon Camp at https://hogisland.audubon.org/. If you like birds, this is the place for you. The people, the food (my god the food), the views, the hiking, and especially the BIRDS are incredible. 

    And if it’s raptors you’re specifically interested in, I highly recommend visiting Hawk Mountain Sanctuary www.hawkmountain.org. You can watch these amazing birds wheeling high above a stunning forested valley, if you’re into that sort of thing… and maybe if you’re lucky you’ll even catch sight of some teeny weeny owls.

    Books  
    Scott Weidensaul will make you love birds if you don’t already. Check out his books and go see him talk! http://www.scottweidensaul.com/

    Website 
    If you want to learn more about the fascinating and wildly interdisciplinary field of magnetoreception in birds, you can dig into the work of Henrick Mouritsen at the University of Oldenburg and his colleagues at the University of Oxford here: https://www.quantumbirds.eu/  

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • In this episode, first aired in 2012, we have two stories of brains pushed off-course. We relive a surreal day in the life of a young researcher hijacked by her own brain, and hear from a librarian experiencing a bizarre and mysterious set of symptoms that she called “gravitational anarchy.”

    Special thanks to Sarah Montague and Ellen Horn, as well as actress Hope Davis, who read Rosemary Morton’s story. And the late Berton Roueché, who wrote that story down. 

    EPISODE CREDITS: 

    Produced by - Brenna Farrell
    Original music and sound design contributed by - Tim Howard and Douglas Smith 

    EPISODE CITATIONS:

    Books - 

    Berton Roueché’s story about Rosemary Morton,”Essentially Normal” first appeared in the New Yorker in 1958 and was later published by Dutton in a book called "The Medical Detectives."

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.


    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • We eat apples in the summer and enjoy bananas in the winter. When we do this, we go against the natural order of life which is towards death and decay. What gives? This week, Latif Nasser spoke with Nicola Twilley, the author of Frostbite: How Refrigeration Changed Our Food, Our Planet, and Ourselves. Twilley spent over a decade reporting about how we keep food alive as it makes its way from the farm to our table. This conversation explores the science of cold, how fruits hold a secret to eternal youth, and how the salad bag, of all things, is our local grocery store’s unsung hero.

    Special thanks to Jim Lugg and Jeff Wooster

    EPISODE CREDITS: 

    Reported by Latif Nasser and Nicola Twilley
    with help from Maria Paz Gutierrez
    Produced by Maria Paz Gutierrez
    Original music from Jeremy Bloom
    Sound design contributed by Jeremy Bloom
    with mixing help from Arianne Wack
    Fact-checking by Emily Krieger 
    and Edited by Alex Neason

    EPISODE CITATIONS:

    Articles  
    New Yorker Article - How the Fridge Changed Flavor (https://zpr.io/32TuSmAc2HbQ)by Nicola Twilley
    New Yorker Article - Africa’s Cold Rush and the Promise of Refrigeration (https://zpr.io/3g9VdgKMAiHf) by Nicola Twilley

    Books 
    Frostbite (https://zpr.io/Mg3Q7JCBvcAg) by Nicola Twilley

    Podcasts
    Gastropod (https://link.chtbl.com/ndCzgCHU)

    Signup for our newsletter!! It includes short essays, recommendations, and details about other ways to interact with the show.Sign up (https://radiolab.org/newsletter)!

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • In an episode first reported in 2017, we bring you a look up and down the US nuclear chain of command to find out who gets to authorize their use and who can stand in the way of Armageddon. 

    President Richard Nixon once boasted that at any moment he could pick up a telephone and - in 20 minutes - kill 60 million people.  Such is the power of the US President over the nation’s nuclear arsenal.  But what if you were the military officer on the receiving end of that phone call? Could you refuse the order?

    In this episode, we profile one Air Force Major who asked that question back in the 1970s and learn how the very act of asking it was so dangerous it derailed his career. We also pick up the question ourselves and pose it to veterans both high and low on the nuclear chain of command. Their responses reveal once and for all whether there are any legal checks and balances between us and a phone call for Armageddon.

    Special thanks to Elaine Scarry, Sam Kean, Ron Rosenbaum, Lisa Perry, Ryan Furtkamp, Robin Perry, Thom Woodroofe, Doreen de Brum, Jackie Conley, Sean Malloy, Ray Peter, Jack D’Annibale, Ryan Pettigrew at the Nixon Presidential Library and Samuel Rushay at the Truman Presidential Library.

    EPISODE CREDITS: 
    Reported by - Latiff Nasser
    Produced by - Annie McEwen and Simon Adler
    with help from - Arianne Wack

    Signup for our newsletter! It comes out every Wednesday. It includes short essays, recommendations, and details about other ways to interact with the show.Sign up (https://radiolab.org/newsletter)!

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • We fall down the looking glass with Sönke Johnsen, a biologist who finds himself staring at one of the darkest things on the planet. So dark, it’s almost like he’s holding a blackhole in his hands. On his quest to understand how something could possibly be that black, we enter worlds of towering microscopic forests, where gold becomes black, the deep sea meets the moon, and places that are empty suddenly become full. 

    Corrections/Clarifications:
    In this episode,dragonfish are described as having teeth that slide back into their skull; that is thefangtooth fish, not the dragonfish. Though both can be ultra-black.

    The fishes described are the darkest things on the planet, but there are some other animals that are equally as dark, includingbutterflies,wasps, andbirds.


    Vantablack isno longer the blackest man-made material

    EPISODE CREDITS: 

    Hosted by - Molly Webster
    Reported by - Molly Webster
    Produced by - Rebecca Laks, Pat Walters, Molly Webster
    with help from - Becca Bressler
    Original music from - Vetle Nærø
    with mixing help from -Jeremy Bloom
    Fact-checking by - Natalie A. Middleton
    and Edited by  - Pat Walters
    Guest - Sönke Johnsen

    EPISODE CITATIONS:
    Articles - 
    Sönke Johnsen’s research paper on ultra-blackin the wings of butterflies

    A paper by Sönke Johnsen that describes how structure can change color, by showing how clear quartz balls can — when in a random pile — go from clear, to very blue, to white, depending on the size of the individual balls. 

    Music - 
    This episode kicked-off with some music by Norwegian pianist Vetle Nærø, check him out online 

    Videos  - 
    Vantablack, a video about the look and design of the world’s OG darkest man-made substance (get ready to be wowed), and a new material saying it’s darker than Vanta.

    Signup for our newsletter. It includes short essays, recommendations, and details about other ways to interact with the show.Sign up (https://radiolab.org/newsletter)!

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.

    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • In an episode we first aired in 2018, we asked the question, do you really need a brain to sense the world around you? To remember? Or even learn? Well, it depends on who you ask. Jad and Robert, they are split on this one. Today, Robert drags Jad along on a parade for the surprising feats of brainless plants. Along with a home-inspection duo, a science writer, and some enterprising scientists at Princeton University, we dig into the work of evolutionary ecologist Monica Gagliano, who turns our brain-centered worldview on its head through a series of clever experiments that show plants doing things we never would've imagined. Can Robert get Jad to join the march?

    We have some exciting news! In the “Zoozve” episode, Radiolab named one of Venus's quasi-moons. Then, Radiolab teamed up with The International Astronomical Union to launch a global naming contest for one of Earth’s quasi-moons, so that you, our listeners, could help us name another, and we now have a winner!! Early next week, head over to https://radiolab.org/moon, to check out the new name for the heavenly body you all helped make happen.

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.


    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.

  • In an episode first reported in 2017, we bring you what may be, maybe the greatest gift one person could give to another. 

    You never know what might happen when you sign up to donate bone marrow. You might save a life… or you might be magically transported across a cultural chasm and find yourself starring in a modern adaptation of the greatest story ever told.

    One day, without thinking much of it, Jennell Jenney swabbed her cheek and signed up to be a donor.  Across the country, Jim Munroe desperately needed a miracle, a one-in-eight-million connection that would save him. It proved to be a match made in marrow, a bit of magic in the world that hadn’t been there before.  But when Jennell and Jim had a heart-to-heart in his suburban Dallas backyard, they realized they had contradictory ideas about where that magic came from. Today, an allegory for how to walk through the world in a way that lets you be deeply different, but totally together. 

    This piece was reported by Latif Nasser.  It was produced by Annie McEwen, with help from Bethel Habte and Alex Overington.

    Special thanks to Dr. Matthew J. Matasar, Dr. John Hill, Stephen Spellman at CIBMTR, St. Cloud State University’s Cru Chapter, and Mandy Naglich.

    Join Be The Match's bone marrow registry here: https://join.bethematch.org

    EPISODE CREDITS: 
    Reported by - Latif Nasser
    Produced by - Annie McEwen
    with help from - Bethel Habte, and Alex Overington

    Sign-up for our newsletter!! It includes short essays, recommendations, and details about other ways to interact with the show.Sign up (https://radiolab.org/newsletter)!

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    Follow our show onInstagram,Twitter andFacebook @radiolab, and share your thoughts with us by emailingradiolab@wnyc.org.


    Leadership support for Radiolab’s science programming is provided by the Gordon and Betty Moore Foundation, Science Sandbox, a Simons Foundation Initiative, and the John Templeton Foundation. Foundational support for Radiolab was provided by the Alfred P. Sloan Foundation.