For thousands of years, there have been four basic tastes recognized across cultures. But thanks to Kumiko Ninomiya (a.k.a. the Umami Mama), scientists finally accepted a fifth. Could there be even more? (First published in 2022.) Guests: Kumiko Ninomiya, biochemist and former director of the Umami Information Center; Gary Beauchamp, former director of the Monell Chemical Senses Center; Sarah Tracy, historian of science; Camilla Arndal Andersen, neuroscientist; Paul Breslin, professor at Rutgers...
Feb 05, 2025•38 min•Transcript available on Metacast Some of the largest lakes in the world have been buried under miles of ice for millions of years. Is there life hiding down there? And if so, could life be found in even more extreme places … beyond our planet? Guest: John Priscu, microbiologist at Montana State University For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Lea...
Jan 22, 2025•26 min•Transcript available on Metacast Genetic libraries are treasure troves of information about life from around the world. They’re helping researchers develop everything from vaccines to crops to cosmetics. But who actually benefits from the discoveries scientists make using all this DNA and RNA? Guests: Benji Jones, environmental correspondent at Vox’s Future Perfect; Deborah Fuller, professor of microbiology at the University of Washington For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable A...
Jan 15, 2025•30 min•Transcript available on Metacast Some scientists think an explosion of AI awareness and feeling might be just around the corner. Others think it’s impossible for an AI to ever become conscious. How will we know? Guest: Oshan Jarow, staff writer at Vox’s Future Perfect For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit p...
Jan 08, 2025•28 min•Transcript available on Metacast It’s that time of year again. If you’re changing things up, there’s a lot of diets out there that claim to help you live longer. Our friends at Today, Explained ask: How much of this is real and how much of it is nonsense? Guests: Anahad O’Connor, health columnist at the Washington Post; Saul Justin Newman, researcher at the University College London Centre for Longitudinal Studies For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexp...
Jan 01, 2025•28 min•Transcript available on Metacast The wildest stories that never made it into our episodes. Until now. Guests: Amy Boddy, anthropological scientist at the University of California, Santa Barbara; Jayme Locke, transplant surgeon at the University of Alabama at Birmingham; Jonathan Jiang, research scientist at the Jet Propulsion Laboratory For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox M...
Dec 18, 2024•28 min•Transcript available on Metacast Dogs were the first domesticated animal in history, emerging from wolves some 20,000 years ago. But how did wolves become dogs? To find the answer, scientists have to play with a lot of puppies. (First published in 2023.) Guest: Kathryn Lord, evolutionary biology researcher at UMass Chan Medical School For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Mem...
Dec 11, 2024•26 min•Transcript available on Metacast We know Neanderthals and early modern humans coupled up. But when did they meet, exactly? And where? Some fossilized smoke and a baby tooth might hold clues. Guest: Adam Cole of HowTown For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
Dec 04, 2024•31 min•Transcript available on Metacast It’s not great to be a lab rat. And it turns out, lab rats might not be that great for science either. Could the future be little lab-grown brain clumps? Guests: Rachel Nuwer, science journalist; Lisa Genzel, professor of neuroscience at Radboud University This episode has been updated. An earlier version didn’t differentiate between two stages of drug development. For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com ...
Nov 20, 2024•23 min•Transcript available on Metacast This week on Unexplainable or Not, we’ve got three scientific mysteries all about left and right. Jonquilyn Hill, host of Vox’s new podcast Explain It to Me, is going to guess which of them has been solved and which ones are still unexplainable. Guest: S. Furkan Ozturk, researcher at Harvard University For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Mem...
Nov 13, 2024•30 min•Transcript available on Metacast For decades, scientists thought that placebos only worked if patients didn’t know they were taking them. Not anymore: You can give patients placebos, tell them they’re on sugar pills, and they still might feel better. No one is sure how this works, but it raises a question: Should doctors embrace placebos in mainstream medicine? (First published in 2021.) Guests: Ted Kaptchuk, professor at Harvard Medical School; Darwin Guevarra, professor of psychology at Miami University; Luana Colloca, profes...
Nov 06, 2024•28 min•Transcript available on Metacast It makes sense that we run away from scary things. That’s a good way to stay alive. But why do some people also love scary things? Why do people gravitate toward horror? Guests: Mathias Clasen and Marc Andersen, co-directors of the Recreational Fear Lab at Aarhus University For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Le...
Oct 30, 2024•22 min•Transcript available on Metacast Drugs like ecstasy and mushrooms have shown promise as mental health treatments, but they’re also exposing some major cracks in how scientists study the brain. Guests: Jonathan Lambert, science journalist; Boris Heifets, professor at Stanford University of Medicine; Amy Mcguire, professor at Baylor College of Medicine For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by be...
Oct 23, 2024•27 min•Transcript available on Metacast How we feel emotionally may be influenced by unseen troves of microbial life that live inside us. Is it possible to harness this gut power? (First published in 2022) Guests: Michael Gershon, professor of pathology at Columbia University; and Katerina Johnson, microbiome researcher at Oxford University For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Memb...
Oct 16, 2024•30 min•Transcript available on Metacast As the world gets warmer and storms get worse, insurance companies are jacking up rates — or refusing to cover homeowners altogether. Is the future uninsurable? Guests: Umair Irfan, correspondent at Vox; Karen Clark, co-founder and CEO of Karen Clark & Company; Joe Skuba, VP at The Gray Insurance Company; and Carolyn Kousky, Associate VP at Environmental Defense Fund For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.co...
Oct 09, 2024•31 min•Transcript available on Metacast Doctors have started transplanting animal organs into people, hoping this experimental procedure could one day solve an organ shortage crisis that kills 17 Americans every day. Is this really the solution? Guests: Muhammad Mohiuddin, professor of surgery at University of Maryland School of Medicine; L. Syd Johnson, professor of clinical bioethics at SUNY Upstate Medical University For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexpl...
Oct 02, 2024•27 min•Transcript available on Metacast Scientists have lots of ways to try to answer that question, and lots of different predictions. So how do they figure out one set of numbers we can all work with? Guests: Umair Irfan, correspondent at Vox; Zeke Hausfather, climate scientist at The Breakthrough Institute; Neil Swart, research scientist at the Canadian Centre for Climate Modeling and Analysis For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read ...
Sep 25, 2024•26 min•Transcript available on Metacast Probably not. But Wall Street Journal reporter Jeff Horwitz decided to try anyway, putting his body — and specifically his butt — on the line to answer a seemingly straightforward question: Is it possible to build up a tolerance to poison oak by eating it? Guest: Jeff Horwitz, reporter at the Wall Street Journal; and Mahmoud ElSohly, professor of pharmaceutics at the University of Mississippi For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please emai...
Sep 18, 2024•31 min•Transcript available on Metacast Scientists just discovered oxygen being produced without sunlight — without photosynthesis — at the bottom of the ocean. This “dark oxygen” could fundamentally change the story we tell of life on Earth and in the rest of the universe. Guest: Alycia Smith, ecologist at Heriot-Watt University For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: v...
Sep 11, 2024•25 min•Transcript available on Metacast For decades, search and rescue teams followed an accepted playbook. Now, scientists are helping them reimagine how to find lost people. Guests: Robert Koester, author of Lost Person Behavior, and Paul Doherty, search and rescue researcher For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visi...
Aug 28, 2024•24 min•Transcript available on Metacast With antibiotic resistance on the rise, some scientists are turning to viruses as a medical tool. But we barely know anything about the bacteria-eating viruses all around us. (First published in 2021) Guest: Nicola Twilley, host of Gastropod For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Learn more about your ad choices. V...
Aug 21, 2024•26 min•Transcript available on Metacast Our bodies are teeming with viruses. But some of them, called phages, might play a really important role in keeping us healthy. Guest: Tom Ireland, author of The Good Virus For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
Aug 14, 2024•22 min•Transcript available on Metacast The FDA is about to announce whether it’s going to approve MDMA as a treatment for PTSD. Our friends at Today, Explained explore what this kind of therapy looks like, and why it’s so controversial. For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
Aug 07, 2024•32 min•Transcript available on Metacast They probably didn’t roar like lions. Their real voices were likely much, much weirder. We asked scientists to help us re-create these strange, extinct sounds. (First published in 2022) Guests: Michael Habib, professor at UCLA, Julia Clarke, professor at the University of Texas at Austin, and Jonny Crew, sound designer at Wounded Buffalo For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support...
Jul 31, 2024•41 min•Transcript available on Metacast It’s possible that the entire observable universe is inside a black hole. All we need to do to find out is … build a gigantic particle collider around the moon. Guest: James Beacham, particle physicist at the Large Hadron Collider at CERN For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visi...
Jul 24, 2024•25 min•Transcript available on Metacast Send this episode to the person who constantly hounds you not to slouch. Guest: Beth Linker, author of “Slouch: Posture Panic in Modern America” For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
Jul 17, 2024•21 min•Transcript available on Metacast People yawn when they’re bored, right? So then why do athletes yawn before races? And why do so many animals yawn? … And why does reading this paragraph make you more likely to yawn? (Updated from 2022) Guest: Dr. Andrew Gallup For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Please take a second to help us learn more about ...
Jul 10, 2024•37 min•Transcript available on Metacast Can a physicist predict our messy economy by building an enormous simulation of the entire world? For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Please take a second to help us learn more about you! vox.com/podcastsurvey Learn more about your ad choices. Visit podcastchoices.com/adchoices
Jul 03, 2024•27 min•Transcript available on Metacast Inflation is one of the most significant issues shaping the 2024 election. But how much can we actually do to control it? For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Please take a second to help us learn more about you! vox.com/podcastsurvey Learn more about your ad choices. Visit podcastchoices.com/adchoices
Jun 26, 2024•30 min•Transcript available on Metacast It’s hard to figure out the economic value of a wild bat or any other part of the natural world, but some scientists argue that this kind of calculation could help protect our environment. For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
Jun 19, 2024•23 min•Transcript available on Metacast 
