Episodes 655
Avg. Duration 40m
Activity Highly Active
Apple Rating 4.6 (42,519)
Since May 2006
Latest Episode Jun 2026

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Schedule
Weekly
Format
Episodic
Consistency
100%
Hosting
feeds.simplecast.com

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About This Podcast

Radiolab is on a curiosity bender. We ask deep questions and use investigative journalism to get the answers. A given episode might whirl you through science, legal history, and into the home of someone halfway across the world. The show is known for innovative sound design, smashing information into music. It is hosted by Lulu Miller and Latif Nasser.

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Recent Episodes

Oliver Sipple

Jun 05, 2026 1h 3m

One morning, Oliver Sipple went out for a walk. A couple hours later, to his own surprise, he saved the life of the President of the United States. In a story we reported back in 2017, we explain how…

This American Roach

May 29, 2026 36m

A couple summers ago, Radiolab reporter Alex Neason got out of the shower and almost stepped on her worst nightmare: an American Cockroach. It was flipped onto its back, struggling, and for a split…

Worth

May 22, 2026 1h 11m

This episode makes three earnest, possibly foolhardy, attempts to put a price on the priceless. We figure out the dollar value for an accidental death, another day of life, and the work of bats and…

Your Friendly Neighborhood Hookworms

May 15, 2026 46m

For most of human history, people went about their daily lives with a worm or two (or fifty) in their guts. Only in the past century, with pharmaceuticals and sanitation practices, have we made…

The Bad Show

May 08, 2026 1h 6m

With all of the black-and-white moralizing in our world today, we decided to bring back an old show from 2011 about the little bit of bad that's in all of us...and the little bit of really, really…

What is a Pig Worth?

May 01, 2026 42m

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 distributors in the world. They…

Forests on Forests

Apr 24, 2026 19m

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 got our hands full…

The Resistance of a Cow

Apr 17, 2026 51m

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 start…

The Builders

Apr 10, 2026 30m

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 on the planet than the beaver.…

Life in a Barrel

Apr 03, 2026 54m

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, and underwater geysers. It’s the chaos of…

Antibiotic Apocalypse

Mar 27, 2026 1h 1m

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 to the sewers and…

Staph Retreat

Mar 20, 2026 31m

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 wielded like miraculous flaming…

Return of the Flesh-Eaters

Mar 13, 2026 42m

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 North America: the screwworm.…

Snail Sex Tape

Mar 06, 2026 29m

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 is persuasion and subterfuge,…

Black Box

Feb 27, 2026 1h 5m

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 what happens in-between. From…

Gray's Donation

Feb 20, 2026 27m

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 through a world that they never bothered…

Time is Honey

Feb 13, 2026 38m

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 nearly a year of studying the…

Kleptotherms

Feb 06, 2026 44m

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 2021: Five stories that run the…

Song of the Cerebellum

Jan 30, 2026 42m

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 of her brain called the…

You and Me and Mr. Self-Esteem

Jan 23, 2026 1h 17m

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 the world, and can largely be traced…

Frequently Asked Questions

How many episodes does Radiolab have?

Radiolab has published 655 episodes since May 2006, covering topics in Documentary, History.

Is Radiolab still active?

Radiolab is currently highly active with new episodes weekly. Average episode length is 40m.

How do I contact Radiolab for sponsorship or guest appearances?

Sign up on Grep.FM to access contact details for Radiolab, including email and social media links.

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