On Today's Podcast
Deepfakes Are Everywhere. What Can We Do?
X’s AI chatbot Grok is undressing users, but it’s just the tip of the iceberg with fake imagery online. How does it work and what comes next?
Listen NowJanuary 16, 2026
Some Parkinson’s patients may experience strange symptoms, like smell loss and sleep disorders, decades before diagnosis. Plus, a Pompeii construction site preserved in ash reveals secrets of the famously durable Roman concrete. And, Greenland sharks live for hundreds of years, but their eyes never seem to get old. What can they teach us about aging human eyes?
‘The Simpsons’ Has Been Drip-Feeding Us Math
An excerpt from “The Simpsons and Their Mathematical Secrets.”
12:03
China Shoots ‘Jade Rabbit’ Rover to the Moon
BBC science editor David Shukman talks about the motivations behind China’s moonshot.
34:17
The Simpsons’ Secret? It’s Written by Math Geeks
The secret behind “The Simpsons”‘ math jokes? A writers’ room full of ex-mathematicians.
15:02
Would More Technology Mean Safer Trains?
Seventy thousand miles of track will need to be outfitted with “positive train control” technology by 2015.
14:32
Speech Science: Tongue Twisters and Valley Girls
Unraveling the speech patterns behind tongue twisters and Valley girls. . .and boys.
17:06
Dissecting America’s $3 Trillion Medical Bill
Steven Brill discusses “Bitter Pill,” his investigation of skyrocketing healthcare costs.
Backstage at ‘The Big Bang Theory’
Being on set at the popular show left me starstruck.
Airplane of the Future?
This plane looks blue under ultraviolet light, but it’s designed to be green.
10 Questions for Mark Mello, Moth Man
The zoologist attributes his affinity for nature to a childhood of tromping outdoors.
The Choreographic World of Elizabeth Streb
Ira’s conversation with Action Architect Elizabeth Streb continues.
48:03
Annual Prizes Honor the Stranger Side of Science
The IgNobel Prizes salute unusual research, such as an investigation of dung beetle navigation.
22:47
Eating ‘Wilder’ Foods for a Healthier Diet
Author Jo Robinson digs up tips on how to get the most nutrition out of our fruits and vegetables.
23:29
At STREB Action Lab, Dance and Physics Collide
Choreographer and gravity-junkie Elizabeth Streb pushes the boundaries of physics—with dance.
A Monarch Retreat
For Californians, Thanksgiving is prime time for butterfly counting.
All About Apples: Some History, a Recipe, and Recommendations
An excerpt from “Eating on the Wild Side,” complete with apple crisp recipe.
Mapping Microbes in California Wine Country
Wine grapes have distinctive microbial patterns based on growing conditions, environmental features, and the fruit itself.
22:17
Using Modern Ballistics to Crack ‘Cold Case JFK’
Fifty years later, forensic scientists apply modern tech to the JFK assassination.
19:46
How To Avoid ‘Food Failures’ This Thanksgiving
Jeff Potter, author of “Cooking for Geeks,” dishes up a few cooking hacks for Turkey Day.
4:15
When Water Flows Uphill
Researchers test ridged surfaces in order to control the movements of hot water.
12:09
ISON: The Comet of the Century . . . or Is It?
As Comet ISON skirts the sun, it could be destroyed—or emerge, even more spectacular than before.