

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

Oct 31, 2025 • 7min
Is the 'Number of the Beast' an Ancient Riddle?
The number 666 has been adopted by modern horror media as a demonic symbol, but what (or whom) does this number really refer to? Learn about the Book of Revelation and ancient wordplay via numbers in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/history-vs-myth/666.htmSee omnystudio.com/listener for privacy information.

Oct 30, 2025 • 8min
Could Piranhas Really Eat a Cow in Under a Minute?
Piranhas are very efficient eaters, but their frothing feeding frenzy seen in horror movies is mostly based on a myth started by Theodore Roosevelt. Learn more in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/animal-facts/piranha-eat-cows.htmSee omnystudio.com/listener for privacy information.

Oct 29, 2025 • 9min
Göbekli Tepe: How Does Humanity's Most Ancient Monument Work?
In Turkey, a set of prehistoric columns rivals Stonehenge -- but they're 6,000 years older. Learn what we know (and don't know) about the hunter-gatherers who built Göbekli Tepe in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/european-history/gobekli-tepe.htmSee omnystudio.com/listener for privacy information.

Oct 28, 2025 • 12min
Why Are There Sriracha Shortages?
This blockbuster style of hot sauce started with the Huy Fong brand, but that original 'rooster sauce' is often out of stock. Learn how a combo of weather and legal drama are at the root in this episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/food-facts/sriracha.htmSee omnystudio.com/listener for privacy information.

Oct 27, 2025 • 10min
How Do Levees Protect Us?
Levee systems make it possible for us to live alongside bodies of water with less danger of flooding. Learn how engineers design them -- and why levees sometimes fail -- in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/engineering/structural/levee.htmSee omnystudio.com/listener for privacy information.

10 snips
Sep 27, 2025 • 11min
What's the Difference Between Socialism and Communism?
Dive into the intriguing distinctions between socialism and communism! Explore their shared roots in the Communist Manifesto and how visionary thinkers like Marx critiqued earlier socialist models. Discover the aims of democratic socialism in Nordic countries, marked by their welfare systems and high taxes. Contrast this with one-party communist states, where political freedom is limited. Unpack why nations still identify as socialist while implementing market reforms, and ponder whether true communism has ever truly existed.

Sep 26, 2025 • 14min
How Do Vaccines Prevent Diseases?
Our bodies can often prevent us from catching the same illness twice, and vaccines use that bodily system to prevent us from getting sick in the first place. Learn how the immune response works, what goes into vaccines, and why vaccines are safe for kids in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/preventive-care/vaccine.htmSee omnystudio.com/listener for privacy information.

Sep 13, 2025 • 6min
BrainStuff Classics: How Did Sealab Work?
In the 1960s, advances in technology allowed brave aquanauts to explore deeper into the ocean than ever before, but the project was shut down. Learn how Sealab worked -- and how that technology is still used today -- in this classic episode of BrainStuff.See omnystudio.com/listener for privacy information.

Sep 12, 2025 • 9min
How Do Slow Lorises Work?
The slow loris is the world's only venomous primate, but it looks like a cuddly plush toy. Learn why you shouldn't go in for a snuggle in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/slow-loris.htmSee omnystudio.com/listener for privacy information.

Sep 11, 2025 • 11min
How Do Venus Flytraps Work?
Venus flytraps can photosynthesize like most other plants, but they supplement their diet by catching insects and arachnids. Learn what we know (and don't know!) about how they accomplish this feat in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/botany/venus-flytrap.htmSee omnystudio.com/listener for privacy information.


