On Today's Podcast
For Jennifer Chayes, math is a 'native tongue'
Jennifer Chayes’ game-changing ideas in math and computer science helped pave the way for today’s innovations in machine learning and AI.
Listen NowSeptember 4, 2026
Moderna and Merck say an mRNA vaccine reduced melanoma recurrence in a clinical trial. Food recalls abounded this summer, but was it unusual? Scientists are trying to decode the hallucinogenic properties of a mushroom that makes people see tiny humans. Plus, why some modern cars catch fire. And, the game-changing work of a researcher who sees math as a “native tongue.”
6:45
Food Failures: Crafting Pie Crust
The science behind baking the perfect pie crust.
0:35
How An 11-Year-Old Named A (Dwarf) Planet
Venetia Burney, age 11, came up with the name “Pluto” for a newly-discovered planet 85 years ago this week.
The Art of Scent in Los Angeles
A nonprofit in Los Angeles opens the door on the secretive world of perfuming.
Beauty and the Brain: Understanding Our Responses to Art
The field of neuroaesthetics uses techniques of neurology to understand our response to art.
There Is Such a Thing As Too Much Medical Care
An excerpt from “Less Medicine, More Health.”
22:06
One Hundred Years of General Relativity
Albert Einstein published his theory of general relativity on December 2, 1915.
9:03
Dawn Arrives at Ceres
Mission director and chief engineer Marc Rayman gives an update on the Dawn mission, scheduled to arrive in orbit around dwarf planet Ceres this week.
14:31
Avoid the Doctor—For Your Health
How much medical care is too much medical care?
17:27
The Interstellar Tourist’s Guide to Exoplanets
Exoplanet hunter Sara Seager explains how biosignature gases could help identify life on exoplanets, and The Takeaway’s John Hockenberry takes Ira on a futuristic tour of exoplanet vacation destinations.
12:08
Fossil Jaw Turns Back Clock on Human Evolution
A newly discovered fossil jaw pushes the date of Homo’s evolution back to 2.8 million years ago.
15:39
Balancing Surveillance: Privacy and Security in the Digital Age
Is it possible to keep our personal information secure in the digital age?
0:39
Mysteries of the Mars Plume
Wayne Jaeschke, a patent attorney and amateur astronomer, captured a photo of a wispy cloud rising 120 miles into the Martian atmosphere.
Step Inside A Mad Scientist’s Lab
Take a video tour of the California-based prop shop Jadis, where technological curiosities both real and imagined intermingle.
The Man Who Froze Snowflakes In Time
Wilson Bentley brought the beauty of snow crystals to the public using a technique called photomicrography.
Why Do I See This Dress as Blue and Black, While Others See It As White and Gold?
A combination of color and white balance, exposure, and computer displays likely play a role, as well as our own physical perception.
In Memory of Leonard Nimoy
The Star Trek actor died on February 27, 2015. He spoke to SciFri about science fiction in this archival interview.