April 18, 2025
Are traffic engineering decisions based on evidence-based research? Not as much as you might think. Plus, researchers captured the first confirmed video of a colossal squid swimming in its natural habitat. And, with brain-implanted devices, people with paralysis have been able to command computers to “move” virtual objects and speak for them.
Fritz Kahn’s Fantastical Journey Through the Body
The German graphic designer was a pioneer of popular science communication, using familiar objects as metaphors for biological processes.
The ‘Bunny Girl’ on the Moon
In 1969, the Apollo 11 astronauts heard about a mythical goddess who lives on the moon with her rabbit companion.
‘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.