On Today's Podcast
Why are we changing the way we keep time?
Timekeeping scientists around the world voted to stop using leap seconds, but what does this mean for us?
Listen NowOctober 23, 2026
CRISPR pioneer Jennifer Doudna discusses the evolution of gene-editing technology and what it takes to be a good scientist. Timekeepers around the world voted to stop using leap seconds, but what does that mean for us? Plus, how "problem bears" help test engineers evaluate consumer products, author Kazuo Ishiguro on emotional truth in our age of AI, and the science of apple varieties.
The Year Ahead in Science Film
This year’s SXSW Film festival highlighted our fears about emerging tech and concerns facing online and gaming communities.
Lion’s Mane Mushroom
This pristine white fungus might have neuroprotective properties.
12:09
News Roundup: The Birth of the Moon, E.T. Life, and LHC Season Two
Washington Post science blogger Rachel Feltman gives us her top stories this week, and the BBC’s Jonathan Webb tells us what to expect from the revved-up particle collider.
9:46
Babies on the Brink
A series of rigorous (and adorable) experiments by Karen Adolph of NYU’s Infant Action Lab shatters the myth that babies learn to fear heights as they learn to crawl.
17:22
Undersea Cables String Together the Global Internet
Ninety-nine percent of the data zipping between continents travels not via satellite, but through thousands of miles of cables.
6:00
As Arctic Permafrost Thaws, Microbes Kick Into Action
Recent findings suggest that microbes living in Arctic permafrost could produce carbon dioxide and methane as it thaws.
28:15
The Future of Artificial Intelligence
What questions should we ask as research on artificial intelligence progresses?
12:07
Are Scientific Journals Clogged With ‘Publication Pollution’?
Medical ethicist Art Caplan says science and medical journals are plagued by fraud, plagiarism, and predatory publishers.
7:20
How the Apple Watch Measures Up
Re/code’s Lauren Goode give us her take on Apple’s new wearable.
The Undersea Network That Connects the World
An excerpt from “The Undersea Network.”
What Freaks You Out About Robots?
Should we worry about the imminent rise of robots in our lives?
Can You Explain The Sun?
For this science club, we want you to explain something to us, something BIG!
Booting Up Computer Art
In the 1960s, curious computer scientists transformed computers into art machines.
Science Friday Introduces New Video Series, ‘The Macroscope’
Through fictional and documentary film-making approaches, we’ll bring you true stories from scientists and innovators.
Babies On The Brink
A series of rigorous (and adorable) experiments shatters the myth that babies learn to fear heights as they learn to crawl.
The 1-2-3s of Hard-Cooked Eggs
Cooking geek Jeff Potter cracks the code on easy-to-peel, hard-cooked eggs.
18:25
A Climate Pledge, a Medieval Antibiotic, and an Exoskeletal Boot
In the news roundup this week, Eric Holthaus breaks down the new U.S. climate pledge.
17:16
Festival of Fake Hypotheses Generates Real Laughs
The satirical science festival BAHFest challenges science fans to construct real arguments for completely bogus hypotheses.
6:56
Mercury: The Ashtray of the Solar System?
Scientists say that dust from passing comets could have darkened the surface of Mercury.
16:40
Cracking the Egg
There’s a better way to make hard-boiled eggs—and it doesn’t involve boiling.