On Today's Podcast
How Have Gray Wolves Fared 30 Years After Reintroduction?
Humans drove wolves nearly to extinction in the American West. Reintroducing them in 1995 was, and still is, controversial.
Listen NowAugust 22, 2025
Humans drove wolves nearly to extinction in the American West. Reintroducing them in 1995 was, and still is, controversial. Plus, the FDA and HHS plan to eliminate petroleum-based food dyes as part of the MAHA agenda. What does science say about their effects on health? And, astronomers found a supernova whose lighter outer layers had been stripped away, revealing an inner shell rich in silicon and sulfur.
Space, Seen Through A Window
Astronaut Don Pettit has taken thousands of mesmerizing images during his three missions to the International Space Station.
7:41
Dormouse Telomeres and Cat Tongues
Most animals’ DNA shortens with age, but scientists are studying an animal that increases its genetic strands as it grows older—the dormouse.
4:20
Not All Soles Are Created Equal
Boots made for extreme winter weather may be easily succumb to an icy sidewalk.
27:44
The Best Science Books Of 2016
Time travel, microbes, black holes, and polar bears.
7:19
Cassini’s Final Year, And Juno’s First
One mission is winding down. Another has just begun. A look at what’s next for each.
12:22
Do You Know What’s in Your Medical Record?
The first step to taking ownership of your medical data is to ask for it. Then it’s up to you how to share and store it.
17:27
Tracking the Daily Rhythms of the Microbiome
How do the circadian rhythms of gut bacteria affect the rest of the body?
17:37
How to Bring Back the Dead (Animals)
An anatomist’s eye and an artist’s touch are key to creating enduring taxidermy.
What Happens If We Detect Extraterrestrial Intelligence?
Finding communicative aliens is a long shot, but if we do, here are a few next steps to consider.
Memories in the Mud
Create a simulated sediment core and use it to identify the number of tropical cyclones that swept through the area near Belize’s Blue Hole. Learn how scientists use sediment cores to get information about weather events dating back 1500 years.
11:50
In Indigenous Genes, Evidence Of Colonization’s Plagues
Members of one Canadian Indigenous community have different immune genes than their forebears. Plus, how researchers and Indigenous communities can create more mutually beneficial relationships.
17:25
Skyscraper Bridges, Floating Airports, And A Dome Over Midtown
An alternate history of New York City architecture lives on in “Never Built New York.”
47:35
Celebrating Science With Silliness: The 2016 Ig Nobel Prizes
An annual awards ceremony honors scientific research that first makes you laugh, but then makes you think.
17:11
The Scientific Tale Of Author Beatrix Potter
Outside of Mr. McGregor’s garden and in her own life, Beatrix Potter—author of “The Tale of Peter Rabbit”—had a curious eye for the nature world around her.
6:23
Pluto Rolls Over (the Dwarf Planet, Not the Dog)
In this week’s news roundup, science editor Sophie Bushwick talks about how a massive ice-filled basin may have caused the dwarf planet to tip, and other science stories in the news.
5:52
All the (Fake) News That’s Fit to Share
In the wake of the 2016 elections, social media platforms and online news hubs are trying to put a damper on the viral spread of false information.
17:24
What Causes The Common Cold?
Meet the viruses you have to thank for that stuffy nose.
20:25
Science Goes To The Movies: ‘Arrival’
How would real scientists achieve mutual understanding with an alien race?
20:37
Food Failures: Add A Dash Of Science To Your Thanksgiving Recipes
The science behind roasting a browner bird and sweetening sweet potatoes.
5:08
Mushrooms as Tough as Leather
A San Francisco start-up has developed a fungal material that can sub for leather, wood, and even plastic.