Unexplainable
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.
Episodes
April 29, 2026 • 33 mins
Pioneering musicians Beatie Wolfe and Brian Eno released their latest album Liminal by broadcasting it from a 50-foot microwave antenna. Noam talks to Beatie about why “dark matter music” was the perfect sound to beam into deep space, and how music can take us places that are even harder to reach.
Guest: Beatie Wolfe, composer and conceptual artist
For show transcripts, go to vox.com/unxtranscripts...
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April 27, 2026 • 27 mins
Today on the show: a double feature — two mysteries in one episode. First, it seems like all living things emit a faint glow that disappears when they die. Then, is the International Space Station ... too clean?
Guests: Daniel Oblak, professor of physics at the University of Calgary; Rodolfo Antonio Salido Benítez, scientist at SPT Labtech
Links: Daniel's paper with mouse and leaf images; Rodolfo's paper on the ISS
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April 22, 2026 • 32 mins
To hear some people tell it — especially people on TikTok — inflammation is the root of all disease. It's... not that simple. But inflammation does have a lot to teach us about why modern life can make us feel so bad, and even what we might be able to do about it.
Guest: Dylan Scott, senior correspondent at Vox
For show transcripts, go to vox.com/unxtranscripts
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April 20, 2026 • 27 mins
A few months ago, we put out an episode about what silence sounds like, and it caught the attention of Rob Rosenthal, who hosts a podcast called Sound School about the craft of audio storytelling. So he called up host Noam Hassenfeld to ask him a question he couldn't stop thinking about: How do you make something that sounds like nothing?Host: Rob Rosenthal, host of Sound School PodcastGuest: Noam Hassenfeld
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April 15, 2026 • 26 mins
Can microbes travel through space on meteorites? It’s an idea called “lithopanspermia,” and to work out if it’s even feasible, some researchers decided to shoot microbes — with a gun.
Guests: K.T. Ramesh, professor of science and engineering at Johns Hopkins University; Lily Zhao, mechanical engineer at Johns Hopkins University
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April 13, 2026 • 31 mins
For the first time in over 50 years, humans have gone to the moon and back. And this time, NASA says we're going to stay. NASA's planning for more missions, a permanent moon base, and even a mission to Mars. But there's a pretty big question hanging over all these dreams: Can humans survive in space long enough to make them happen?(A version of this episode originally aired in 2022, with the launch of Artemis I.)
Guests: Anne McCl...
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April 1, 2026 • 27 mins
Typically, the burden of birth control falls on whoever has a uterus, but it seems like that might change — and soon!
Guest: Annalisa Merelli, contributing writer at STAT.
For more, go to http://vox.com/unexplainable
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Also, email us! unexplainable@vox.com
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March 30, 2026 • 19 mins
Host Julia Longoria signs off from Unexplainable with one final question: Why does her grandma love Vicks VapoRub so much? A version of this episode originally aired on WNYC’s Only Human podcast.
For more, go to http://vox.com/unexplainable
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Also, email us! unexplainable@vox.com
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March 25, 2026 • 37 mins
Casey Harrell is a goofy, lighthearted chatterbox whose love for language helped him become an accomplished environmental activist. In 2020, he was diagnosed with Amyotrophic lateral sclerosis (ALS) and slowly began losing the ability to speak. He sang his last song to his infant daughter and fell into silence. But, now, with the help of 256 microelectrodes implanted directly into his motor cortex, he’s learning to talk once more. ...
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March 23, 2026 • 30 mins
Oliver Sacks was once crowned “the poet laureate of medicine” — he's known as one of the greatest science writers of our time. But when New Yorker writer Rachel Aviv dug into his archives, she discovered that some details in his intimate portraits of patients mirrored his personal life a little too closely.
Guest: Rachel Aviv, staff writer for the New Yorker and author of Strangers to Ourselves.
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March 18, 2026 • 29 mins
One of the deadliest poisons known to man is now used to treat wrinkles, migraines, and even, maybe, depression. How did that happen?
Guests: Jean Carruthers, ophthalmologist and “godmother” of cosmetic Botox. David Simpson, neurologist at Mount Sinai hospital in New York. Axel Wollmer, psychiatrist at the Asklepios clinic in Hamburg, Germany.
For more, go to http://vox.com/unexplainable
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March 16, 2026 • 31 mins
Many alchemical texts are full of bizarre, metaphorical language. But what if there's interesting science hiding behind some of those metaphors?
Guest: Lawrence Principe, professor of the history of science and professor of chemistry at Johns Hopkins University
For show transcripts, go to vox.com/unxtranscripts
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March 11, 2026 • 28 mins
Grab some hot cocoa and a warm blanket and let’s talk about the tiny crystals that fall from the sky.
Guest: Jessica Lundquist, professor of civil & environmental engineering at the University of Washington
For show transcripts, go to vox.com/unxtranscripts
For more, go to vox.com/unexplainable
And please email us! unexplainable@vox.com
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March 9, 2026 • 27 mins
A man committed a crime. He admitted it. Then something alarming showed up on an image of his brain. The criminal case that followed in 1991 brought neuroscience into the courtroom for good. How does our ever-changing understanding of the brain impact how we approach justice?
Guests: Josh May, professor of philosophy, University of Alabama, Birmingham, author of Neuroethics: Agency in the Age of Brain Science, Anthony Wagner, ne...
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February 25, 2026 • 39 mins
How many fish are in the sea? It's a question that has had enormous consequences for the fishing community in New Bedford, Massachusetts. But one man managed to find a way around it. That man? The Codfather.
Guest: Ian Coss, host and producer of WBGH's Catching the Codfather
For show transcripts, go to vox.com/unxtranscripts
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February 23, 2026 • 14 mins
It's no secret that stress isn't good for you… But just how bad is it? NPR's Short Wave podcast gets some answers.
Host: Regina G. Barber, host of NPR’s Short Wave podcast
Guest: Diana Kwon, science journalist
Follow NPR's Short Wave podcast on Apple Podcasts and Spotify for more episodes like this, featuring new discoveries, everyday mysteries and the science behind the headlines.
Listen to every episode of Short Wave spo...
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February 11, 2026 • 26 mins
In the dark depths of the Gowanus Canal, strange lifeforms lurk...
Guests: Brad Vogel, volunteer at the Gowanus Dredgers Canoe Club; Elizabeth Hénaff, computational biologist and artist at New York University
For more, go to http://vox.com/unexplainable
It’s a great place to sign up for our newsletter, view show transcripts, and read more about the topics on our show.
Also, email us! unexplainable@vox.com
We read every ema...
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February 9, 2026 • 39 mins
I’m about to burst.
Guests: Laryngologist Dr. Robert Bastian and Noel King, co-host and editorial director of the Vox daily news podcast Today, Explained
For more, go to http://vox.com/unexplainable
It’s a great place to sign up for our newsletter, view show transcripts, and read more about the topics on our show.
Also, email us! unexplainable@vox.com
We read every email.
Support Unexplainable by making a financial contri...
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February 4, 2026 • 26 mins
Astronomers are putting together a new picture of the early universe. It involves a lot of very weird black holes, and it could help us understand how our own galaxy formed.
Guest: Caitlin Casey, astronomer at UC Santa Barbara
For show transcripts, go to vox.com/unxtranscripts
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February 2, 2026 • 29 mins
It’s surprisingly hard to predict how clouds form, move, and change, but it’s essential to try. Because how clouds react to a warming world helps determine how hot our future will be. (Originally aired in 2021)
Guests: Vox contributor Umair Irfan, scientists Scott M. Collis, Angeline Pendergrass, and author Gavin Pretor-Pinney
For show transcripts, go to vox.com/unxtranscripts
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