

BrainStuff
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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

Feb 11, 2025 • 7min
Great Escapes: What Happens When Animals Make a Run for It?
From lab monkeys to zoo flamingos to very clever orangutans, animals have made some great escapes. Learn about them in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/animals-escapes.htmSee omnystudio.com/listener for privacy information.

Feb 7, 2025 • 7min
Do Astronauts Need Sunscreen in Space?
Explore the fascinating world of ultraviolet (UV) radiation and its impact on astronauts in space. Discover why sunscreen is important on Earth but presents unique challenges in the cosmos. Delve into the protective strategies developed for astronauts against intense cosmic radiation and the risks it poses to their health during extended missions. Learn how technology and science intertwine to keep space travelers safe from the harsh conditions of their extraordinary environment.

Feb 6, 2025 • 10min
How Did a Team of Immigrants in America Help Win WWII?
During World War II, the U.S. military recruited diverse multilingual Americans -- including many immigrants -- to be trained as intelligence officers at Camp Ritchie. Learn how the Ritchie Boys helped the Allies win the war in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/world-war-ii/ritchie-boys.htmSee omnystudio.com/listener for privacy information.

Jan 22, 2025 • 9min
How Do Our Eyes Get Their Color?
There are no blue or green pigments in the human eye, so how do those eye colors occur? Learn about the complex genetics and light scattering that give our eyes their color (plus how rare different eye colors are) in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/eye/rarest-eye-colors.htmSee omnystudio.com/listener for privacy information.

Jan 21, 2025 • 13min
Who Actually Wins (and Loses) in a Trade War?
Governments impose tariffs (which are border taxes paid by the importer) to help protect their nation's businesses from foreign competition. Learn how tariffs work, how they don't work, and why they can actually hurt local businesses and consumers in this episode of BrainStuff, based on these articles: https://money.howstuffworks.com/who-wins-loses-in-trade-war.htm; https://money.howstuffworks.com/who-wins-and-loses-if-us-imposes-steel-tariffs.htmSee omnystudio.com/listener for privacy information.

Jan 20, 2025 • 7min
Why Are Komodo Dragons So Deadly?
We used to think Komodo dragons harbored bacteria in their mouths that made their bites deadly, but it turns out they have venom and iron-tipped teeth to thank. Learn more in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/animal-facts/komodo-bite.htmSee omnystudio.com/listener for privacy information.

Jan 4, 2025 • 7min
Do Other Planets Have Tectonic Plates?
Some scientists think tectonic plates are a prerequisite for life as we know it. Learn what we know about plate tectonics elsewhere in our solar system in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/is-earth-only-planet-with-tectonic-plates.htmSee omnystudio.com/listener for privacy information.

Jan 3, 2025 • 9min
Why (and How) Does Paper Crumple?
It turns out that thin, bendy sheets like paper crumple in predictable ways -- and we can learn a lot from the process. Learn more about the protective physics of crumpling in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/crumple-theory.htmSee omnystudio.com/listener for privacy information.

Dec 26, 2024 • 6min
BrainStuff Classics: What Exactly Are Frankincense and Myrrh?
Frankincense and myrrh play a part not only in the story of Christmas, but in lots of other religious traditions as well -- and a few practical ones, too. Learn more about these aromatic substances in this classic episode of BrainStuff, based on this episode: https://science.howstuffworks.com/life/botany/question283.htmSee omnystudio.com/listener for privacy information.

Dec 25, 2024 • 8min
How Does Fruitcake Work?
Whether you love it, hate it, or hurl it with a trebuchet, fruitcake holds a dense place in holiday traditions. Learn how it came to be (and where to win prizes for throwing it) in this episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/menus/fruitcake.htmSee omnystudio.com/listener for privacy information.