Radiolab

While scouring the Sonoran Desert for objects left behind by migrants crossing into the United States, anthropologist Jason De León happened upon something he didn't expect to get left behind: a human arm, stripped of flesh. This macabre discovery sent him reeling, needing to know what exactly happened to the body, and how many migrants die that way in the wilderness. In researching border-crosser deaths in the Arizona desert, he noticed something surprising. Sometime in the late-1990s, the number of migrant deaths shot up dramatically and have stayed high since. Jason traced this increase to a Border Patrol policy still in effect, called “Prevention Through Deterrence.” In a series first aired back in 2018, over three episodes, Radiolab investigates this policy, its surprising origins, and the people whose lives were changed forever because of it.Part 1: Hole in the FenceWe begin one afternoon in May 1992, when a student named Albert stumbled in late for history class at Bowie High School in El Paso, Texas.

Producer Sindhu Gnanasambandan wants to know how she can live the longest feeling life possible. The answer leads her on a journey to make one week feel like two. And the journey leads her to a whole new answer.Special thanks to Jo Eidman, Nathan Peereboom, Kristin Lin, Stacey Reimann, Ash Sanders… and an extra special thanks to Jae Minard for editorial supportEPISODE CREDITSReported by - Sindhu GnanasambandanProduced by - Sindhu GnanasambandanOriginal music and sound design contributed by - Jeremy Bloomwith mixing help from - Arianne WackFact-checking by - Emily Kriegerand Edited by  - Pat Walters   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)! 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 em

Originally aired in 2018, this episode features reporter Brena Farrell as a new mom. Her son gave her and her husband a scare -- prompting them to call Poison Control. For Brenna, the experience was so odd, and oddly comforting, that she decided to dive into the birth story of this invisible network of poison experts, and try to understand the evolving relationship we humans have with our poisonous planet. As we learn about how poison control has changed over the years, we end up wondering what a place devoted to data and human connection can tell us about ourselves in this cultural moment of anxiety and information-overload. 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)! 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 y

Summer 2023 was a pretty scary one for the planet. Global temperatures in June and July reached record highs. And over in the North Atlantic Sea, the water temperature spiked to off-the-chart levels. Some people figured that meant we were about to go over the edge, doomsday. In the face of this, Hank Green (a long time environmentalist and science educator behind SciShow, Crash Course, and more), took to social media to put things in context, to keep people focused on what we can do about climate change. In the process, he came across a couple studies that suggested a reduction in sulfurous smog from cargo ships may have accidentally warmed the waters. And while Hank saw a silver lining around those smog clouds, the story he told—about smog clouds and cooling waters and the problem of geoengineering—took us on a rollercoaster ride of hope and terror. Ultimately, we had to wrestle with the question of what we should be doing about climate change, or what we should even talk about.Special thanks to Dr. Colin Ca

Most of us would sacrifice one person to save five. It’s a pretty straightforward bit of moral math. But if we have to actually kill that person ourselves, the math gets fuzzy. That’s the lesson of the classic Trolley Problem, a moral puzzle that fried our brains in an episode we did almost 20 years ago, then updated again in 2017. Historically, the questions posed by The Trolley Problem are great for thought experimentation and conversations at a certain kind of cocktail party. Now, new technologies are forcing that moral quandary out of our philosophy departments and onto our streets. So today, we revisit the Trolley Problem and wonder how a two-ton hunk of speeding metal will make moral calculations about life and death that still baffle its creators. Special thanks to Iyad Rahwan, Edmond Awad and Sydney Levine from the Moral Machine group at MIT. Also thanks to Fiery Cushman, Matthew DeBord, Sertac Karaman, Martine Powers, Xin Xiang, and Roborace for all of their help. Thanks to the CUNY Graduate School o

Today, the story of an idea. An idea that some people need, others reject, and one that will, ultimately, be hard to let go of. Special Thanks to Carl Zimmer, Eric Turkheimer, Andrea Ganna, Chandler Burr, Jacques Balthazart, Sean Mckeithan, Joe Osmundson, Jennifer Brier, Daniel Levine-Spound, Maddie Sofia, Elie Mystal, Heather Radke EPISODE CREDITS: Reported by - Matt KieltyProduced by - Matt KieltyOriginal music and sound design contributed by - Matt Kieltywith mixing help from - Arianne WackFact-checking by - Diane Kelly EPISODE CITATIONS: Videos: Lisa Diamond - Born This Way, TEDx (https://zpr.io/WJedDGLVkTNF) Books:  Joanna Wuest - Born This Way: Science, Citizenship, and Inequality in the American LGBTQ+ Movement (https://zpr.io/rYPwyhNHtgXe) Dean Hamer - The Science of Desire: The Search for the Gay Gene and the Biology of Behavior (https://zpr.io/3FuKZyu2bgwE) Lisa Diamond - Sexual Fluidity: Understanding Women’s Desire and Love (https://zpr.io/cj3ZSLC2xccJ) Edward Stein - The Mismeasure of Desire: The

In this episode from 2007, we take you on a tour of language, music, and the properties of sound. We look at what sound does to our bodies, our brains, our feelings… and we go back to the reason we at Radiolab tell you stories the way we do.  First, we look at Diana Deutsch’s work on language and music, and how certain languages seem to promote musicality in humans. Then we meet Psychologist Anne Fernald and listen to parents as they talk to their babies across languages and cultures. Last, we go to 1913 Paris and sneak into the premiere of Igor Stravinsky’s score of The Rite of Spring.  Check out Diana Deutsch's 'Audio Illusions' here (https://deutsch.ucsd.edu/psychology/pages.php?i=201).  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)! Radiolab is supported by listeners like you. Support Radiolab by becoming a member of The Lab (https://members.radiolab.org/) today. Follow

A couple years ago, our producer Annie McEwen listened to an audio documentary that, she said, “tore my heart wide open.” That episode , “Finn and the Bell,” (https://zpr.io/TDjwQuXFDSz6) by independent producer Erica Heilman (maker of the podcast  Rumble Strip), went on to win some of the biggest awards in audio (including a Peabody, https://zpr.io/tu4hwhKQ3TWN), and the rest of the staff finally got around to listening, and it tore our hearts wide open, too. It’s a story about a death, but as so many of the best stories about death tend to be, it ends up mainly being about life, in this case, the life of a small town in far northern Vermont, the town where Erica lives and makes her show. We think you’ll like it. You can find more than 200 other episodes of Rumble Strip here (https://zpr.io/dwGNnSFmAEFX). Erica’s episode about The Civic Standard (https://zpr.io/GJMP95QENFKq), the community organization started by Finn’s mom Tara Reese and her friend Rose Friedman, is here (https://zpr.io/9HL9mpZT4LTM). A fol

When we think of China today, we think of a technological superpower. From Huawei and 5G to TikTok and viral social media, China is stride for stride with the United States in the world of computing. However, China’s technological renaissance almost didn’t happen. And for one very basic reason: The Chinese language, with its 70,000 plus characters, couldn’t fit on a keyboard.  Today, we tell the story of Professor Wang Yongmin, a hard headed computer programmer who solved this puzzle and laid the foundation for the China we know today. Episode CreditsReported by - Simon AdlerProduced by - Simon AdlerTHE DETAILS TO SIMON ADLER’S LIVESHOW!For People in ChicagoSimon will be performing at the Chicago at the Frank Lloyd Wright Unity Temple on Saturday, September 30th (https://zpr.io/jePmFHyKUqiM).For People in BostonSimon performs at the WBUR City Space on Friday, December 8th (https://zpr.io/jePmFHyKUqiM).   Our newsletter comes out every Wednesday. It includes short essays, recommendations, and details about ot

Matthew Herrick was sitting on his stoop in Harlem when something weird happened. Then, it happened again. And again. It happened so many times that it became an absolute nightmare—a nightmare that haunted his life daily and flipped it completely upside down. What stood between Matthew and help were 26 little words. These 26 words, known as Section 230, are the core of an Internet law that coats the tech industry in Teflon. No matter what happens, who gets hurt, or what harm is done, tech companies can’t be held responsible for the things that happen on their platforms. Section 230 affects the lives of an untold number of people like Matthew, and makes the Internet a far more ominous place for all of us. But also, in a strange twist, it’s what keeps the whole thing up and running in the first place. Why do we have this law? And more importantly, why can’t we just delete it? Special thanks to James Grimmelmann, Eric Goldman, Naomi Leeds, Jeff Kosseff, Carrie Goldberg, and Kashmir Hill. EPISODE CREDITSReported

In online news, stories live forever. The tipsy photograph of you at the college football game? It’s there. That news article about the political rally you were marching at? It’s there. A charge for driving under the influence? That’s there, too. But what if... it wasn’t? Several years ago a group of journalists in Cleveland, Ohio, tried an experiment that had the potential to turn things upside down: they started unpublishing content they’d already published. Photographs, names, entire articles. Every month or so, they met to decide what content stayed, and what content went. In this episode from 2019, Senior Correspondent Molly Webster takes us inside the room where the editors decided who, or what, got to be deleted. And we talk about how the “right to be forgotten” has spread and grown in the years since. It’s a story about time and memory, mistakes and second chances, and society as we know it. Our newsletter comes out every Wednesday. It includes short essays, recommendations, and details about other wa

In 1908, on a sunny, clear, quiet morning in Siberia, witnesses recall seeing a blinding light streak across the sky, and then… the earth shook, a forest was flattened, fish were thrown from streams, and roofs were blown off houses. The “Tunguska event,” as it came to be known, was one of the largest extraterrestrial impact events in Earth’s history. But what kind of impact—what exactly struck the earth in the middle of Siberia?—is still up for debate. Producer Annie McEwen dives into one idea that suggests a culprit so mysterious, so powerful, so… tiny, you won’t believe your ears. And stranger still, it may be in you right now. Or, according to Senior Correspondent Molly Webster, it could be You.EPISODE CREDITS Reported by - Annie McEwen and Molly WebsterProduced by - Annie McEwen and Becca Bresslerwith help from - Matt KieltyOriginal music and sound design contributed by - Jeremy Bloom, Annie McEwen, Matt KieltyMixing by - Jeremy Bloomwith dialogue mixing by - Arianne WackFact-checking by - Diane Kellyand

Since the beginning of the space program, we’ve expected astronauts to be fully-abled athletic overachievers—one-part science geeks, two-part triathletes—a mix the writer Tom Wolfe called “the right stuff.” But what if, this whole time, we’ve had it wrong? In this episode from 2022, reporter Andrew Leland joins blind Linguistics Professor Sheri Wells-Jensen and a crew of 11 other disabled people. They embark on a mission to prove not just that they have what it takes to go to space, but that disability gives them an edge. On Mission AstroAccess, the crew members hop on an airplane to take a zero-gravity flight—the same NASA uses to train astronauts. With them, we learn that the challenges to making space accessible may not be the ones we thought. And Andrew, who is legally blind, confronts unexpected conclusions of his own. By the way, Andrew’s new book is out. In The Country of the Blind: A Memoir at the End of Sight (https://zpr.io/nLZ8H), Andrew recounts his transition from sighted to blind. Suspended betw

At a tree ring conference in the relatively treeless city of Tucson, Arizona, three scientists walk into a bar. The trio gets to talking, trying to explain a mysterious set of core samples from the Florida Keys. At some point, they come up with a harebrained idea: put the tree rings next to a seemingly unrelated dataset. Once they do, they notice something that no one has ever noticed before, a force of nature that helped shape modern human history and that is eerily similar to what’s happening on our planet right now. With help from pirates, astronomers and an 80-year-old bartender, this episode will change the way you look at the sun. (Warning: Do not look at the sun.)  Special thanks to Scott St George, Nathaniel Millett, Michael Charles Stambaugh, Justin Maxwell, Clay Tucker, Willem Klooster, Kevin Anchukaitis EPISODE CREDITS Reported by - Latif Nasserwith help from - Ekedi Fausther-Keeys and Maria Paz GutierrezProduced by - Maria Paz Gutierrez and Pat Walterswith help from - Ekedi Fausther-Keeys and Sach

This is a story about your butt. It’s a story about how you got your butt, why you have your butt, and how your butt might be one of the most important and essential things for you being you, for being human.  In this episode from 2019, Reporter Heather Radke and Producer Matt Kielty talk to two researchers who followed the butt from our ancient beginnings through millions of years of evolution, all the way to today, out to a valley in Arizona, where our butts are put to the ultimate test.   Special thanks to Michelle Legro. EPISODE CREDITS: Reported by - Heather Radke and Matt KieltyProduced by - Matt Kieltywith help from - Simon Adler and Rachael CusickOriginal music and sound design contributed by - Jeremy BloomFact-checking by - Dorie Chevlen   EPISODE CITATIONS: Books: Butts by Heather Radke 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)! Radiolab is supported by listene

Sad news for all of us: producer Rachael Cusick— who brought us soul-stirring stories rethinking grief (https://zpr.io/GZ6xEvpzsbHU) and solitude (https://zpr.io/eT5tAX6JtYra), as well as colorful musings on airplane farts (https://zpr.io/CNpgUijZiuZ4) and belly flops (https://zpr.io/uZrEz27z63CB) and Blueberry Earths (https://zpr.io/EzxgtdTRGVzz)— is leaving the show. So we thought it perfect timing to sit down with her and revisit another brainchild of hers, The Cataclysm Sentence, a collection of advice for The End. To explain: one day in 1961, the famous physicist Richard Feynman stepped in front of a Caltech lecture hall and posed this question to a group of undergraduate students: “If, in some cataclysm, all of scientific knowledge were to be destroyed, and only one sentence was passed on to the next generation of creatures, what statement would contain the most information in the fewest words?” Now, Feynman had an answer to his own question—a good one. But his question got the entire team at Radiolab w

Given reporter Julia Longoria’s long love affair with the Supreme Court, it’s no surprise she’s become the new host of More Perfect (https://zpr.io/4R9fMg9gJ96k), a show all about how the Supreme Court got to be so… supreme. This week, we talk to Julia about her journey to the host seat, and we highlight an episode she produced for Radiolab in 2019 about a specific case: González v. Williams.  In 1903 the U.S. Supreme Court refused to say that Isabel González was a citizen of the United States. Then again, they said, she wasn’t exactly an immigrant either. And they said that the U.S. territory of Puerto Rico, Isabel’s home, was “foreign to the United States in a domestic sense.” Since then, the U.S. has cleared up at least some of the confusion about U.S. territories and the status of people born in them. But, more than a hundred years later, there is still a U.S. territory that has been left in limbo: American Samoa. It is the only place on Earth that is U.S. soil, but people who are born there are not autom

Shipworms. Hairy Chested Yeti Crabs. Parasitic Barnacles in the cloaca of Greenland Sharks. These are the types of creatures Sabrina Imbler, a columnist at Defector, likes to write about. The stranger, the better. In this episode, Imbler discusses how they balance maintaining scientific rigor while also drawing inspiration and metaphor from the animal world. Then they read a stirring essay from their new book, How Far the Light Reaches: A Life in Ten Sea Creatures . It’s about the sand striker, one of the ocean’s most gruesome predators, and the various prey that surround it. In learning about the relationships between predator and prey lurking in the murky bottom, Imbler ends up unearthing new insights about predation in human society. The essay deals with sexual assault so listen with care. EPISODE CREDITS Reported by - Lulu Miller Produced by - Sindhu Gnanasambandan Original music and sound design contributed by - Alex Overington with mixing help from - Jeremy Bloom and Arianne Wack Fact-checking by - Nata

Ross McNutt has a superpower: he can zoom in on everyday life, then rewind and fast-forward to solve crimes in a shutter-flash. But should he? In 2004, when casualties in Iraq were rising due to roadside bombs, Ross McNutt and his team came up with an idea. With a small plane and a 44 megapixel camera, they figured out how to watch an entire city all at once, all day long. Whenever a bomb detonated, they could zoom into that spot and then, because this eye in the sky had been there all along, they could scroll back in time and see—literally see—who planted it. After the war, Ross McNutt retired from the Air Force, and brought this technology back home with him. Manoush Zomorodi and Alex Goldmark (from the podcast Note to Self) give us the lowdown on Ross’ unique brand of persistent surveillance, from Juarez, Mexico to Dayton, Ohio. Then, once we realize what we can do, we wonder whether we should. Our newsletter comes out every Wednesday. It includes short essays, recommendations, and details about other ways

In the 1970s, as LGBTQ+ people in the United States faced conservatives whose top argument was that homosexuality is “unnatural,” a pair of young scientists discovered on a tiny island off the coast of California a colony of seagulls that included… a significant number of female homosexual couples making nests and raising chicks together. The article that followed upended the culture’s understanding of what’s natural and took the discourse on homosexuality in a whole new direction. In this episode, our co-Host Lulu Miller grapples with the impact of this and several other studies about animal queerness on her life as a queer person. Special thanks to the History is Gay (https://www.historyisgaypodcast.com/) podcast. EPISODE CREDITS Reported by - Lulu Millerwith help from - Sarah QariProduced by - Sarah QariOriginal sound design contributed by - Jeremy Bloomwith mixing help from - Arianne WackFact-checking by - Diane Kellyand Edited by - Becca Bressler Our newsletter comes out every Wednesday. It includes shor