Radiolab

What is a Pig Worth?

In 2017, Wayne Hsiung and a crew of animal rights activists from Direct Action Everywhere broke into a Utah pig farm run by Smithfield Foods, one of the largest pork …

May 01, 2026 · 42m

Afrita

Forests on Forests

For much of history, tree canopies were pretty much completely ignored by science. It was as if researchers said collectively, "It's just going to be empty up there, and we've …

Apr 24, 2026 · 19m

Afrita

The Resistance of a Cow

There’s something rotten in the cows of Denmark. And Minnesota. And Wisconsin. And Idaho. What could cause a previously thriving herd of majestic dairy cattle to stop drinking water and …

Apr 17, 2026 · 51m

Afrita

The Builders

In an episode first aired back in 2025 on our sister show, Terrestrials, we take you on a musical journey all about beavers. Few mammals have a bigger positive impact …

Apr 10, 2026 · 30m

Afrita

Life in a Barrel

This week, in an episode we first aired in 2022, we flip the Disney story of life on its head thanks to a barrel of seawater, a 1970s era computer, …

Apr 03, 2026 · 54m

Afrita

Antibiotic Apocalypse

Doctor and special correspondent Avir Mitra takes Executive Editor Soren Wheeler, plus a live studio audience, on a journey from the operating room to inside the body to the farm …

Mar 27, 2026 · 1h 1m

Afrita

Staph Retreat

A strange brew that's hard to resist, even for a modern day microbe. In the war on devilish microbes, our weapons are starting to fail us. The antibiotics we once …

Mar 20, 2026 · 31m

Afrita

Return of the Flesh-Eaters

If a species is horrible enough, do we have the right to kill it forever? Seventy years ago, a nightmare parasite feasted on the live flesh of warm-blooded creatures in …

Mar 13, 2026 · 42m

Afrita

Snail Sex Tape

In this episode, we consider a creature we often don’t think much about—the snail. And not just snails, but their sex lives. Which, as it turns out, is epic. There …

Mar 06, 2026 · 29m

Afrita

Black Box

In this episode, first aired in 2014, we examine three very different kinds of black boxes—spaces where we know what’s going in, we know what’s coming out, but can’t see …

Feb 27, 2026 · 1h 5m

Afrita

Gray's Donation

Before he was even born, Sarah and Ross Gray knew that their son Thomas wouldn’t live long. But as they let go of him, they made a decision that reverberated …

Feb 20, 2026 · 27m

Afrita

Time is Honey

In the early 2000s, Sunil Nakrani felt stuck. Back then, websites crashed all the time. When Sunil noticed this, he decided he was going to fix the internet. But after …

Feb 13, 2026 · 38m

Afrita

Kleptotherms

In this episode, we break the thermometer and watch the mercury spill out as we discover that temperature is far stranger than it seems. We first ran this episode in …

Feb 06, 2026 · 44m

Afrita

Song of the Cerebellum

One spring evening in 2024, a science journalist named Rachel Gross bombed at karaoke. The culprit was a bleed in a fist-sized clump of neurons tucked down in the back …

Jan 30, 2026 · 42m

Afrita

You and Me and Mr. Self-Esteem

Most of us spend some part of our lives feeling bad about ourselves and wanting to feel better. But this preoccupation is a surprisingly new one in the history of …

Jan 23, 2026 · 1h 17m

Afrita

The Punchline

This episode, first aired in 2019, brings you the story of John Scott, the professional hockey player that every fan loved to hate. A tough guy. A brawler. A goon. …

Jan 16, 2026 · 50m

Afrita

Brain Balls

When neuroscientist Madeline Lancaster was a brand new postdoc, she accidentally used an expired protein gel in a lab experiment and noticed something weird. The stem cells she was trying …

Jan 09, 2026 · 41m

Afrita

Moon Trees

In 1971, a red-headed, tree-loving astronaut named Stu ‘Smokey’ Roosa was asked to take something to the moon with him. Of all things, he chose to take a canister of …

Jan 02, 2026 · 35m

Afrita

Fertility Cliff

As she -- and her friends — approached the age of 35, senior correspondent Molly Webster kept hearing a phrase over and over: “fertility cliff.” It was a short-hand term …

Dec 26, 2025 · 26m

Afrita

The Good Show

The standard view of evolution is that living things are shaped by cold-hearted competition. And there is no doubt that today's plants and animals carry the genetic legacy of ancestors …

Dec 19, 2025 · 1h 2m

Afrita

The Alien in the Room

It’s faster than a speeding bullet. It’s smarter than a polymath genius. It’s everywhere but it’s invisible. It’s artificial intelligence. But what actually is it? Today we ask this simple …

Dec 12, 2025 · 1h 0m

Afrita

Shell Game: Minimum Viable Company

A year ago we brought you a show called Shell Game where a journalist named Evan Ratliff made an AI copy of himself. Now on season 2 of the show, …

Dec 05, 2025 · 39m

Afrita

Fela Kuti: Enter the Shrine

Our original host Jad Abumrad returns to share a new podcast series he’s just released. It’s all about Fela Kuti, a Nigerian musician who created a genre, then a movement, …

Nov 28, 2025 · 38m

Afrita

Our Common Nature: West Virginia Coal

Today on the show, we’re bringing you an episode from Our Common Nature (https://link.podtrac.com/v7mx144d), a new podcast series where cellist Yo-Yo Ma and host Ana González travel around the United …

Nov 21, 2025 · 53m

Afrita

Quantum Refuge

Qasem Waleed is a 28-year-old physicist who has lived in Gaza his whole life. In 2024, he joined a chorus of Palestinians sharing videos and pictures and writing about the …

Nov 14, 2025 · 48m

Afrita

The Wubi Effect

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 …

Nov 07, 2025 · 56m

Afrita