

BrainStuff
iHeartPodcasts
Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
Episodes
Mentioned books

Aug 23, 2025 • 7min
BrainStuff Classics: Should We Retest Licensed Drivers Periodically?
Although some driving skills can deteriorate with age, experienced drivers tend to be the safest drivers. To an extent. Learn when and how experts think drivers should be retested in this classic episode of BrainStuff, based on this article: https://auto.howstuffworks.com/car-driving-safety/auto-safety-testing/should-licensed-drivers-be-tested-periodically.htmSee omnystudio.com/listener for privacy information.

Aug 22, 2025 • 10min
How Did President Jimmy Carter Work?
As a U.S. President, Jimmy Carter championed education and renewable energy as keystones of a healthy nation. Outside of office, he helped other nations grow democracy, built afforadable housing with his own hands, nearly eradicated guinea worm disease -- and still found time to teach Sunday school. Learn about Jimmy and Roselynn Carter in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/jimmy-carter.htmSee omnystudio.com/listener for privacy information.

Aug 21, 2025 • 10min
Why Are Truffles So Expensive?
Truffles are fungi that grow underground, are almost exclusively foraged, and taste best extremely fresh. Learn about truffle biology, truffle flavoring, and truffle crime in this episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/truffles.htmSee omnystudio.com/listener for privacy information.

Aug 20, 2025 • 7min
How Do Alligator Snapping Turtles Work?
This positively prehistoric-looking freshwater turtle is the largest in North America -- and it catches fish by wiggling a worm-like lure. Learn more about alligator snappers in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/reptiles/alligator-snapping-turtle.htmSee omnystudio.com/listener for privacy information.

Aug 5, 2025 • 11min
Did Victorians Really Have a Language of Flowers?
In floriography, flowers and other plants are associated with meanings or sentiments (like physical emoji) -- but could you really send a message with a bouquet? Learn about the fad of floriography in Victorian England in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/cultural-traditions/floriography.htmSee omnystudio.com/listener for privacy information.

Jul 29, 2025 • 6min
How Did the Cowboy Gallop into American History?
Cowboy culture didn't start in the Wild West. Learn about the Spanish, Indigenous, and Black history of cowboys in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-history/cowboys.htmSee omnystudio.com/listener for privacy information.

Jul 28, 2025 • 10min
How Does Skin Tan and Burn?
When our skin deepens in color after sun exposure, it's trying to protect us from damage. Learn how it works -- plus why you should help it out with sunscreen, and why some people burn instead -- in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/skin-care/beauty/sun-care/sunscreen.htmSee omnystudio.com/listener for privacy information.

Jul 27, 2025 • 7min
BrainStuff Classics: Why Are Opossums Awesome?
They eat trash and they look a little freaky, but the North American opossum is a smart, clean, disease-fighting, and all-around fascinating creature. Learn why in this classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/opossums-so-darn-ugly-theyre-adorable.htmSee omnystudio.com/listener for privacy information.

Jul 26, 2025 • 5min
BrainStuff Classics: What Happens to Donated Blood?
After you donate blood, it goes through a complex system of testing, processing, and storage before it can be delivered to patients who need it. Learn how the system works in this classic episode of BrainStuff.See omnystudio.com/listener for privacy information.

Jul 25, 2025 • 10min
6 Historical Words That Don't Mean What You Think
Originally, Hedonists believed in moderation and Luddites were just looking to protect their job security. Learn about these and other words that've changed their meaning in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/10-historical-words-that-dont-mean-what-you-think.htmSee omnystudio.com/listener for privacy information.