BrainStuff

BrainStuff

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

September 21, 2026 12 mins

The asteroid belt between Mars and Jupiter is made up of sparse, tiny bodies of rock, ice, and metal that give us a window into our solar system's early days. Learn how Jupiter helped form the astroid belt and how asteroids might've given Earth its water (and life!) in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/asteroid-belt.htm

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Light and tender fried fish plated with crisp fried potatoes is a classic English comfort meal, but it's only a little over a century old. Learn the history of fish and chips in today's classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/cultural-traditions/fish-and-chips.htm

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September 18, 2026 13 mins

Lemmings are small, fierce rodents that make their home in Arctic environments -- and (spoiler alert) the idea that they kill themselves by following each other off cliffs is a myth. Learn what Disney had to do with it (and what lemmings are really like) in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/lemmings.htm

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September 16, 2026 12 mins

Our bodies need salt and our bodies need water, so why is drinking saltwater not good for you? Learn what salt does in our bodies and why seawater will actually dehydrate you in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/science-vs-myth/what-if/what-if-you-drink-saltwater.htm

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September 14, 2026 9 mins

Tungsten's boiling point is over 10,000 degrees Fahrenheit, and as tungsten carbide, it's one of the hardest materials we know. Learn how it's used for everything from armor-piercing bullets to electron microscopes to ballpoint pens in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/tungsten.htm

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Without the hippocampus, our brains have serious trouble recalling and recording certain types of long-term memories. Learn how this brain structure works in today's classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/nervous-system/hippocampus.htm

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In 1926, detective novelist Agatha Christie disappeared for 11 days under strange circumstances. Learn about her life and record-setting, best-selling works (second only to the Bible and Shakespeare) in today's episode of BrainStuff, based on this article: https://entertainment.howstuffworks.com/arts/literature/agatha-christies-disappearance.htm

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September 11, 2026 12 mins

Escargot is just one of many ways that humans enjoy eating land snails -- and we've been eating them for 30,000 years. Learn about the snails in question, how they're farmed, and why it's so hard to find them fresh in the U.S. (outside of your garden, anyway) in today's episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/escargot.htm

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September 9, 2026 12 mins

The Geiger counters we use to detect harmful radiation today are 100-year-old technology that works based on simple behaviors of electrons and ions. Learn about ionizing radiation and the invention of the Geiger-Müller counter (including why it clicks) in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/geiger-counter.htm

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Starlings flock in swooping, harmonious groups of thousands of birds called murmurations. Learn how these birds pull off such an amazing feat through simple actions in this classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/starling-murmurations.htm

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September 4, 2026 12 mins

You may know him as the villain in the film 'Gladiator', but the real-life Emperor Commodus is said to have been even more cruel and megalomaniacal. Learn about his unusual upbringing, how he made himself into a gladiator and an image of Hercules, and his eventual assassination in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/commodus.htm

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September 2, 2026 12 mins

Planetary rings are gorgeous, temporary structures created when a planet's gravity captures and tears apart smaller objects. Learn why Earth doesn't have rings (right now!) and what other planets' rings are like in today's episode of BrainStuff, based on these articles: https://science.howstuffworks.com/science-vs-myth/what-if/what-if-earth-had-rings.htm; https://science.howstuffworks.com/planets-with-rings.htm

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August 31, 2026 10 mins

Blushing is an involuntary reaction that can seem to draw more attention to yourself at exactly the worst moment. Learn why this embarrassing response to embarrassment can actually be useful in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/blush.htm

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The concepts of ethnicity and race are both human inventions with no basis in science, but these concepts have huge impacts on us and our world. Learn the difference between ethnicity and race in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/genetic/race-vs-ethnicity.htm

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Turning cream into a stick of butter involves some complex chemistry, crystallization, and (traditionally) fermentation. Learn more -- plus the difference between sweet cream, cultured, and European butters -- in today's episode of BrainStuff.

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Some idioms have a fairly clear origin, but others have been lost to time and legend. Learn about the game that inspired calling dibs, the media that created calling shotgun, and why the 'real' McCoy was probably a number of people -- all in today's episode of BrainStuff, based on these articles: https://science.howstuffworks.com/innovation/famous-inventors/why-do-people-call-things-the-real-mccoy.htm; https://people.howstuffworks....

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The Batagaika crater (or, technically, megaslump) is a massive pit caused by thawing permafrost -- and it's only getting bigger. Learn what paleontologists have found there (and why geoscientists are worried about it) in today's episode of BrainStuff, based on these articles: https://science.howstuffworks.com/environmental/earth/geology/batagaika-crater.htm; https://science.howstuffworks.com/environmental/earth/geology/permafrost.h...

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Investigating murders right here on planet Earth can be tricky -- how would it be handled in space? Who would even be in charge? Learn what current and future laws may apply in this classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/murdered-in-space.htm

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August 21, 2026 13 mins

Your sense of taste isn't just a chemical catalog of what's in a food or drink -- it's a complex physiological and psychological process. Learn what we know (and don't know!) about taste in today's episode of BrainStuff, based on this article: https://health.howstuffworks.com/mental-health/human-nature/perception/taste.htm

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August 19, 2026 15 mins

Weasels have a bad reputation among bird farmers and have been cast as literal villains in books and cartoons, but they can actually help control vermin populations -- and ferrets can make great pets. Learn more about various types of weasels (including why they dance) in today's episode of BrainStuff, based on these articles: https://animals.howstuffworks.com/mammals/weasels.htm; https://animals.howstuffworks.com/pets/otherpets/fe...

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