Unexplainable takes listeners right up to the edge of what we know…and then keeps on going. The Unexplainable team — Noam Hassenfeld, Julia Longoria, Byrd Pinkerton, and Meradith Hoddinott — tackles scientific mysteries, unanswered questions, and everything we learn diving into the unknown. New episodes Mondays and Wednesdays. From Vox and the Vox Media Podcast Network.
A dog on its owner’s grave. A killer whale carrying around its dead calf. A goose that isolates when its mate dies. These behaviors in animals may look like human mourning, but should scientists call them "grief"? (First published in 2023) Guests: Jennifer Vonk, comparative/cognitive psychologist at Oakland University; Jessica Pierce, bioethicist and author of several books about animals; Susana Monsó, animal ethicist and a philosopher and author of Playing Possum: How Animals Understand Death 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
17/11/2025 • 26:11
When Wanda Diáz-Merced lost her sight as a college student, she thought her dreams of becoming an astronomer were over — until she learned to listen to space instead. Wanda is one of several pioneering scientists listening to space. For this episode, we also spoke to Robert Wilson, who used sound to help him discover the first direct evidence of the Big Bang, and Kim Arcand, who plays us what the center of the Milky Way sounds like. This is the fourth episode in our of our new four-part series, The Sound Barrier. Guests: Wanda Diáz-Merced, astronomer; Robert Wilson, Nobel laureate and senior scientist at at the Harvard-Smithsonian Center for Astrophysics; Kim Arcand, emerging tech lead at NASA's Chandra X-ray Observatory You can find Kim’s sonification of the center of the Milky Way (with visuals) here: https://chandra.si.edu/sound/gcenter.html 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
12/11/2025 • 37:25
A scientist asked people to sit in a silent room for 15 minutes. Almost half of them decided to give themselves a painful electric shock instead. What is it about our brains that makes our relationship with silence so strange? And should we learn how to listen to it? This is the third episode of our new four-part series, The Sound Barrier. Guests: Erin Westgate, assistant professor at the University of Florida; Rui Zhe Goh, doctoral student at Johns Hopkins University; Melody Baglione, professor at Cooper Union 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
10/11/2025 • 31:44
Almost 15% of adults suffer from a persistent, often intolerable sound... that is literally just in their heads. Why does the brain do this to us? We help one of our listeners get some answers. This is the second episode of our new four-part series, The Sound Barrier. Guests: Stéphane Maison, director of the tinnitus clinic at Mass Eye and Ear; Susan Shore, professor emerita at the University of Michigan, and Dan Polley, tinnitus researcher at Mass Eye and Ear 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
05/11/2025 • 33:39
Just like optical illusions trick our eyes, audio illusions can trick our ears. It makes scientists wonder: What exactly are we hearing, when we're hearing? This is the first episode of our new four-part series, The Sound Barrier. Guests: Diana Deutsch, emeritus professor at the University of California, San Diego; Matthew Winn, professor at the University of Minnesota; Michael Chorost, science writer You can find more of Diana Deutsch’s auditory illusions at https://bit.ly/3Mdh6H4 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
03/11/2025 • 40:18
This week on Unexplainable or Not, Sally Helm, the newest member of our team, tries to figure out what's killing mussels, why rivers suddenly change course, and what the longest river in the world is. Guests: Douglas Edmonds, professor at Indiana University; Neel Dhanesha, science reporter 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
29/10/2025 • 37:18
Now why would you click on something like this? What's wrong with you?! Why are you — and so many other people — into scary stuff? Two scientists are trying to find out. (Originally aired in 2024) 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
27/10/2025 • 19:52
Killing two people is worse than killing one. What about 440 billion crustaceans? Adapted from Dylan Matthews's essay on Vox.com. This story is part of a series supported by Animal Charity Evaluators, which received a grant from EarthShare. 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
22/10/2025 • 24:20
Think about the thing you’ve practiced more than anything else in the world. Maybe it’s painting. Or writing. Or playing baseball. Now, imagine you wake up one day, and you just can’t do it. You’re not sick. You’re not injured. But suddenly, that one thing is impossible. (Originally published in 2024) Guests: Rick Ankiel, former Major League Baseball star; Sally Akehurst, sports psychologist and a dean at University of Roehampton, London; Steven Frucht, neurologist at NYU Langone For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe read every email.Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: vox.com/membersThank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
20/10/2025 • 28:47
Terry Riley's "In C" is one of the most influential pieces of music of the last century...but you'll never hear it the same way twice. Guest: Evan Ziporyn, composer, clarinetist, and producer of "In C" For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe read every email.Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: vox.com/membersThank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
08/10/2025 • 27:56
Donald Trump and RFK Jr. seem convinced that it does. But our friends at Science Vs say the data is far more complicated. Guest: Meryl Horn, senior producer at Science Vs 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
06/10/2025 • 26:56
Zombies might seem like the stuff of horror movies, but there are lots of examples of parasites taking over bugs’ bodies and bending them to their will. Guest: Mindy Weisberger, author of Rise of the Zombie Bugs: The Surprising Science of Parasitic Mind-Control For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe read every email.Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: vox.com/membersThank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
01/10/2025 • 26:56
Who are you, really? Our friends at The Gray Area ask whether it's really possible to change. Guest: Olga Khazan, author of Me, But Better: The Science and Promise of Personality Change 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
29/09/2025 • 39:50
The centuries-old international battle over the real sound of a musical note. Guest: Fanny Gribenski, historical musicologist and author of Tuning the World: The Rise of 440 Hertz in Music, Science, and Politics, 1859–1955 Reported for Unexplainable by Emily Siner 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
24/09/2025 • 26:47
NASA found a Martian rock that might have traces of ancient life. It's perhaps the most tantalizing revelation in the century-long search for Martian life. (Updated from 2022) Guests: Katie Stack Morgan, project scientist for the Perseverance rover; Lindsay Hays, astrobiologist at NASA; Morgan Cable, research scientist for Perseverance; and Camden Miller, rover driver for Perseverance For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe read every email.Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: vox.com/membersThank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
22/09/2025 • 33:40
Recent research — and one surprising season of The Biggest Loser — has scientists wondering whether some of the most basic things they know about metabolism are wrong. Guest: Julia Belluz, author of Food Intelligence For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe read every email.Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: vox.com/membersThank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
17/09/2025 • 30:06
Join our friends at The Longest Shortest Time for a deep dive into the misunderstood world of vaginas. We’ll learn about orgasm-chasing royalty, clitoral wingspans, vagina lollipops, wandering wombs, and why we still know so little about the anatomy of half the people on Earth. Guests: Hillary Frank, host, The Longest Shortest Time; Rachel E. Gross, science writer 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
15/09/2025 • 39:36
How the bedtime stories we grew up with inspire the stories we tell now. 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
10/09/2025 • 22:26
We spoke to two researchers who disagree about the answer to this question. But they do agree about why it's so hard to answer to begin with. Guests: Dylan Scott, senior correspondent at Vox; Kenneth Mukamal, physician and academic researcher at the Beth Israel Deaconess Medical Center; Timothy Naimi, director of the University of Victoria’s Canadian Institute for Substance Use Research For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe read every email.Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: vox.com/membersThank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
08/09/2025 • 28:49
The US military carved a tiny city into the Greenland ice sheet. What they found, and lost, and found again, and what it tells us about climate change. Guests: Paul Bierman, geoscientist at the University of Vermont and author of When The Ice Is Gone; Richard Alley, geoscientist at the Pennsylvania 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
27/08/2025 • 31:40
What do scientists think animals might be like millions of years from now? (First published in 2021) Guests: Benji Jones, senior correspondent at Vox; David Willard, ornithologist at Chicago's Field Museum; Liz Alter, marine biologist at San José State University; Jingmai O'Connor, paleontologist at the Field Museum; Sharlene Santana, biologist at the University of Washington; Julia Sigwart, malacologist at the Senckenberg Research Institute 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
25/08/2025 • 27:19
Dark energy is the strange stuff that makes up the vast majority of the universe and will ultimately lead to the end of everything. Unless it doesn't exist at all. Guests: Adam Riess, astrophysicist at Johns Hopkins University, and Nathalie Palanque-Delabrouille, director of the Physics Division at the Lawrence Berkeley National Laboratory and member of The Dark Energy Spectroscopic Instrument 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
18/08/2025 • 26:09
Much of our modern world is made of plastic, but as more signs point to its dangers to human health, what can we even do about it? Guest: Annie Lowrey, Atlantic writer and author of I fought plastic. Plastic won. For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe read every email.Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
13/08/2025 • 29:35
Towering walls of water sometimes appear in the ocean without warning or apparent cause. What drives their terrifying power? (First published in 2023) Guest: Ton van der Bremer, associate professor of environmental fluid mechanics. For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.comWe read every email. Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
06/08/2025 • 28:26
Good news can be hard to find, especially when our brains — and the media — are biased against it. Guest: Bryan Walsh, senior editorial director of Vox, and author of the Good News newsletter This episode was made in partnership with Vox’s Future Perfect team.For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe read every email.Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
04/08/2025 • 28:10
If you went back 500 million years and re-ran evolution, would life be totally different today? Guests: Richard Lenski and Zachary Blount, evolutionary biologists at Michigan 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
30/07/2025 • 35:40
It's easy to assume there is objective truth in basketball stats. A clear story of what happened in the past. But our friends at Pablo Torre Finds Out uncovered something that throws an entire era into question. Guest: Pablo Torre, host of Pablo Torre Finds Out 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices
28/07/2025 • 45:54
Is a solution to climate change…pouring water on hot rocks? Guest: Dylan Matthews, Senior Correspondent at Vox's Future Perfect This episode was made in partnership with Vox's Future Perfect team. 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Help us plan for the future of Unexplainable by filling out a brief survey: voxmedia.com/survey. Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
23/07/2025 • 23:56
How does any animal know what to do? A neuroscientist argues it's not “instinct.” Something bigger is going on. (First published in 2022) Guest: Mark Blumberg, behavioral neuroscientist at the University of Iowa 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Help us plan for the future of Unexplainable by filling out a brief survey: voxmedia.com/survey. Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
21/07/2025 • 29:17
We have a cure for tuberculosis. Why does it still kill over a million people every year? GUEST: John Green, podcaster, YouTube creator and award-winning author of Everything is Tuberculosis and many young adult novels This episode was made in partnership with Vox’s Future Perfect team. 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 (and get ad-free episodes) by becoming a Vox Member today: vox.com/members Help us plan for the future of Unexplainable by filling out a brief survey: voxmedia.com/survey. Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices
16/07/2025 • 32:01
