BrainStuff

Your adaptive immune system remembers specific germs and fights them really effectively -- but it can sometimes make mistakes and attack your own healthy cells. Learn how the adaptive immune system works (and how it can go wrong) in this episode of BrainStuff.

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Slime molds are collectives of single-celled organisms that don't have neurons, much less brains, but they can move, solve mazes, and remember where food is located. Learn what we know (and don't know!) about them in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/biology-fields/slime-mold-facts.htm

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Although there can be small differences, all of these are local names for the same species of cat, Puma concolor. Learn about them in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/cougar-vs-mountain-lion.htm

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In the early 1500s, a sailor by the name of Amerigo Vespucci published lurid pamphlets about his travels to a distant continent. Learn how a pair of mapmakers regretted naming that continent after him in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/amerigo-vespucci.htm

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Americans eat a LOT of turkey around the winter holidays, but why? Learn about turkey's festive history and when we eat the most of it in this classic episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/menus/turkey-popularity.htm

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Powerful events on the surface of the sun, like solar flares and coronal mass ejections, produce radiation and magnetic waves that could indeed affect electrical and communications systems here on Earth -- though they'd have to be massive. Learn more in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/solar-flare-electronics.htm

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The U.S. Navy has been training bottlenose dolphins for operations like detecting undersea mines and guarding vessels since the 1960s. Learn about the Marine Mammal Program in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/dolphin-disarm-sea-mine.htm

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Our skin is our first line of defense as we move through the world, providing both a physical barrier and an immune barrier against microbes and other dangers that could make us sick. Learn how the skin barrier works in this episode of BrainStuff.

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Hoshigaki are a type of dried fruit made by massaging a persimmon every day for weeks. Learn more about this traditional Japanese treat in today's episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/tools-and-techniques/hoshigaki.htm

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Psoriasis is a condition where an overactive immune system causes discomfort and discoloration of the skin. Learn what we know (and don't know!) about how psoriasis works in this episode of BrainStuff.

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Unlike other languages, modern English doesn't have a second-person plural pronoun. Learn how 'y'all' is stepping up in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/yall.htm

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Short answer: Very carefully. Learn about the history and modern practices of paleoart in this classic episode of BrainStuff.

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We can't prove whether the Winchester Mystery House is really haunted, but it was definitely built for ghosts. Learn the story of how its strange construction was one woman's unending quest in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/science-vs-myth/afterlife/winchester-mystery-house.htm

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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.htm

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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.htm

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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.htm

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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.htm

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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.htm

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