On Today's Podcast
Why Astronomers Are Excited About Comet 3I/Atlas’ Close Approach
Comet 3I/Atlas is just the third known object to visit us from outside our solar system. So yes... we'll be talking about aliens.
Listen NowDecember 19, 2025
A newly identified amoeba can survive at the temperature of a medium-well steak. Plus, a distant lava planet shows signs of an atmosphere. And, this Christmas Bird Count, we salute the fabulous, underappreciated, common species. Here’s to you, house sparrow.
Vocal Fry: Why I’m Not Getting A Voice Coach
Vocal fry has been around for ages. So why are people suddenly so bothered by it?
10:18
Travel Bans Do Little To Slow Spread Of Omicron
As cases of the new variant appear globally, vaccination is a key strategy to prevent future mutations.
1:44
Alvin Lucier, Composer At The Intersection Of Science And Sound, Dead At 90
A giant figure in experimental music, who composed with brain waves, room resonances, and a curiosity about the world around us.
26:09
Ralph Nader Reflects On His Auto Safety Campaign, 55 Years Later
Over the last half-century, auto safety has drastically advanced, thanks in part to Nader’s groundbreaking investigation.
8:09
New Drug Reverses Paralysis In Mice With Spinal Cord Injuries
After receiving an injection of “dancing molecules,” paralyzed mice were able to walk again.
17:10
Decoding Quantum Computing
The disruptive technology of quantum computing could be a game-changer.
9:54
Diving Into The Strange World Of Xenobots
Structures designed by an algorithm transform frog embryo cells into structures that can swim.
7:09
A 30th Anniversary Edition Of SciFri Trivia
SciFri Trivia host Diana Montano quizzes Ira on stories he’s talked about over the past 30 years on the show.
12:07
What We Do—And Don’t—Know About Omicron
There’s still a lot of uncertainty about what the Omicron variant might mean for the global pandemic.
Donate To Science Friday For #GivingTuesday!
Want to help support Science Friday for the next 30 years? Make a gift today, for #GivingTuesday. All donations are matched $1 to $1.
12:10
New Cold Storage Method Solves Freezer Burn—And Saves Energy
Scientists are working on an ice-free method for preserving food at cold temperatures, avoiding freezer burn. And it could save energy too.
15:00
The Bacteria Behind Your Favorite Blues, Bries, and More
Microbiologist Rachel Dutton discusses the bacterial battle behind the tastes and textures of cheese.
1:59
The World According To Sound: When Your Wine Bottle Sings
Named after the 19th-century physicist and physician Hermann von Helmholtz, this phenomenon of sound is more than just a party trick.
12:11
A More Delicious COVID Screener
Researchers are learning more about how COVID affects taste and smell with candy.
34:27
Laugh And Learn With The Ig Nobel Prizes
The evolutionary history of beards! The communications of cats! And more at the 31st first annual Ig Nobel Prize Ceremony.
16:45
Koji: The Mold You Want In Your Kitchen
The fluffy white mold has transformed food for centuries—and it’s a perfect tool for culinary experimentation.
Juggernaut: Indian Temple Or Unstoppable Force?
Jagannath Temple in India gave rise to the word “juggernaut.” But the ancient story of Jagannath is rather delightful.
12:06
Here’s How Biden’s Infrastructure Bill Addresses Science
The bipartisan measure would pump billions of dollars into the fight against environmental pollution.
16:37
The Big Bang Theory Of Cancer
Genetic sequencing is helping scientists see how cancer begins.
7:59
Blunting The Force Of Disease Is Complicated
The real-world efficacy of a vaccine may depend on factors far beyond the properties of the vaccine itself.