On Today's Podcast
What Lies Beneath The Outer Layers Of A Star?
Astronomers found a supernova whose lighter outer layers had been stripped away, revealing an inner shell rich in silicon and sulfur.
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.
12:13
The Women Who Brought Us Apollo 11
Forty-eight years ago, we witnessed Neil Armstrong’s first steps on the moon, thanks to a remarkable group of female coders.
5:01
The Shocking Behavior of Leaping Eels
Eels have been known to jump out of water to shock animals as big as horses.
17:38
Life In The Wrong Political Bubble
New research says being politically isolated hurts our relationships. What’s the best way to bridge the divide?
12:11
Storing Digital Data With an ‘Atomic Abacus’
If you want to pack the maximum amount of digital data into the smallest space, why not start with the smallest bits available: atoms?
34:39
Predicting the Future of Robotics
A look at the past and future of robot technology.
4:59
Free Access to Scientific Research Comes at a Cost
Congress wants to make federally funded research available for free. But someone will have to pay.
7:21
Protoplanet Moon Impact, Drunk Lorises, and More
In this week’s news roundup, Rachel Feltman from the Washington Post’s Speaking of Science blog talks about the protoplanet impact that may have created the moon’s Imbrium Basin.
Can I Recycle That? Five Tips for Better Sorting
Pointers for sifting through your paper and plastics.
When Eels Attack!
Electric eels zap fish and other underwater prey, but what would make them leap out of the water and shock an animal like a horse?
A Heritage Site That’s Out Of This World
This Apollo 11 poster will have you dreaming of a lunar vacation.
Still Birds Take Flight
Deborah Samuel’s photographs bring life to the ornithology collection at the Royal Ontario Museum.
16:24
The Real Science In The New Ghostbusters
How physicists made a movie about ghosts a bit more realistic.
4:31
A Climate Tradeoff for Fuel-Efficient Engines?
Fuel-efficient direct injection engines are taking over the market for new vehicles. Here’s why they might be an imperfect solution.
17:35
Sorting Out Your Recycling Questions
Darby Hoover from the Natural Resources Defense Council answers your blue and green bin questions.
17:11
The Health Costs Of Racism
Research suggests that even hearing about racist incidents can cause mental and physical health problems for people of color.
12:20
Tracking Online Terrorist Networks With Mathematical Models
Researchers tracked the growth and decline of online extremist networks through models typically used to map complex systems in the natural world.
17:38
Will Pokémon Go Push Augmented Reality Forward?
Tracking the ways that augmented reality could transform how we interact with the digital world.
7:49
Sex Differences in Pain Perception, and More
In this week’s news roundup, Buzzfeed’s Virginia Hughes talks about how the sexes may perceive pain differently, and how one scientist is calling for more female mice in pain studies.
Women in Science: An Illustrated Who’s Who
Illustrator Rachel Ignotofsky’s new book is a clever introduction to women scientists through history, starting with the ancient polymath Hypatia.
Burping Bioacoustics
Explore the field of bioacoustics by recording and analyzing the sound waves of human burps.