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.
17:26
Inside NASA’s Planetary Defense Office
How does NASA plan to protect the planet against an asteroid or comet strike?
15:54
To Stave Off Extinction, Protect ‘Half-Earth’
In his new book, “Half-Earth,” Harvard biologist E.O. Wilson argues that we must set aside half the planet for nature.
12:13
Revealing Van Gogh’s True Colors
Are the walls of Van Gogh’s “The Bedroom” blue…or violet? A chemist shares the results of a scientific investigation into Van Gogh’s palette.
9:51
Cable Box Wars: The FCC Battle to Open Up Cable Navigation Devices
Will the Federal Communications Commission proposal expand how consumers access pay-TV services?
24:11
The Perfect Cheese Pairing? Science
Cheese is the subject of a special SciFri investigation this week and next, including tales of the “maestro of mozzarella” and the aging tricks of a Wisconsin cheddarmaker.
Has Human Influence Already Defined a New Epoch?
E.O. Wilson on how we may have already entered the Anthropocene, the Epoch of Man.
A Wedge of Science
From fresh mozzarella to processed American, a look at the science of cheese.
#SciFriTrivia: DANGEROUS SCIENCE!
It’s time for the Second Annual Science Friday Trivia Event.
Vegan Cheese, Coming to a Platter Near You
A trend in artisanal vegan cheese is spreading across the nation.
The ‘Mad Scientist’ And His Cave-Aged Cheddar
Bleu Mont Dairy’s bandaged cheddar cheese is an American treasure.
Here’s How OK Go Made That Zero-G Music Video
The band worked with cosmonauts from Russia’s space program, a Russian airline, a large crew, and several aerialist acrobats.
Media Guide: The Bouba-Kiki Effect
The Bouba-Kiki effect describes the tendency of people to identify certain sounds with specific types of shape. Students will test out the Bouba-Kiki Effect, learn about current research, create their own sound-shape pairings based on the theories behind the Bouba-Kiki effect, and evaluate different explanations for the effect based on their observations.
The Maestro of Mozzarella
With 30 years of experience, Orazio Carciotto has learned that mastering the flavor and texture of this silky smooth cheese requires a deft (and burn-resistant) hand and a mastery of milk curd chemistry.
11:53
HIV Prevention, Ancient Armadillos, and Direct-to-Consumer Drug Ads
An HIV prevention tool specifically developed for women. And the potential side effects of direct-to-consumer drug ads.
27:22
A Brief, Poetic Tour of Modern Physics
Theoretical physicist Carlo Rovelli explains the fundamentals of modern physics in just 80 pages, in his Seven Brief Lessons On Physics.
12:03
Storytelling Teaches Robots Right and Wrong
How do you teach robots to behave ethically? One way is to feed robots human stories, and train them to model their behavior after the tales’ protagonists.
6:48
How Can Virtual Reality Plug In to Social Media?
More immersive media could help us forge deeper digital and real-world connections.
34:06
Forecasting The Future Of Pandemics—In 1994
In 1994, Laurie Garrett and Stephen Ostroff came on Science Friday to contemplate some troubling trends in public health. Twenty-two years later, they’re back for a check-up.
What Are the Basic Foundations of Modern Physics?
A preview of what to expect from “Seven Brief Lessons on Physics.”