Unexplainable

Way back when forests first evolved on Earth... they might have triggered one of the biggest mass extinctions in the history of the planet. (Originally aired in 2024) Guests: Charles Ver Straeten, curator of sedimentary...

It's a quasi-moon. Or, a quasi-satellite. Whatever you want to call it, it's hanging out near Earth. And it could be the source of some fascinating new science. Guests: Nick Moskovitz, astronomer at Lowell Observatory...

So many of us have been told that meditation can make us less stressed, more productive, and happier. But for a small group of people, it has a dark side. What’s going on? Guests: Willoughby Britton, associate professor...

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"?...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...