Brainstuff

Cabin pressure systems haven't changed much over the decades, but the controls for them have gotten safer and more sensitive. Learn more in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/transport/flight/modern/airplane-cabin-pressure.htmSee omnystudio.com/listener for privacy information.

When you freckle or tan, your skin is trying to protect you from damage. Learn how it works in this episode of BrainStuff.See omnystudio.com/listener for privacy information.

Echidnas are spiny, toothless, egg-laying mammals -- and they only get weirder from there. Learn more about them in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/echidna.htmSee omnystudio.com/listener for privacy information.

When a shortage of baby formula strikes, health-care providers and a number of organizations can help. Learn who to contact, and what switches in formula are safe for babies, in this episode of BrainStuff, based on this article: https://lifestyle.howstuffworks.com/family/parenting/babies/baby-formula-shortage-news.htmSee omnystudio.com/listener for privacy information.

The most popular modern bidet was invented in the U.S., so why hasn't this technology caught on here? Learn the history of the bidet in this episode of BrainStuff, based on this article: https://home.howstuffworks.com/bidet.htmSee omnystudio.com/listener for privacy information.

Even though Earth is the largest rocky body in our solar system, we don't have the largest mountain -- not by a long shot. Learn how Mars took the title in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/tallest-mountain-in-solar-system.htmSee omnystudio.com/listener for privacy information.

A study investigating the microbes and bugs in chimpanzee beds versus human beds showed that chimps are cleaner than we are. Learn about the study's results in this classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/bed-has-more-poop-than-chimps.htmSee omnystudio.com/listener for privacy information.

Some words like 'disgruntled' and 'ineffable' -- informally called lonely negatives -- don't have a positive counterpart in English. Learn how a few of them came to be in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/lonely-negative.htmSee omnystudio.com/listener for privacy information.

Snakes have several fascinating reproductive tricks up their sleeves (scales?). Learn about the wild world of dual penises, delayed fertilization, egg incubation, and mating balls in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/snakes/how-do-snakes-mate.htmSee omnystudio.com/listener for privacy information.

Manifest Destiny was the idea that European colonists in the early U.S. had a God-given duty to expand across the continent. Learn how it worked then and continues today in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-history/manifest-destiny-america.htmSee omnystudio.com/listener for privacy information.

The coconut crab is the world's largest land-dwelling arthropod -- they grow longer than your average dog and can open coconuts with their claws. Learn more in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/marine-life/coconut-crabs.htmSee omnystudio.com/listener for privacy information.

The first instance of "May the Fourth be with you" was a celebration of politics, not fandom. Learn more about this history of Star Wars holidays in May in this episode of BrainStuff, based on this article: https://entertainment.howstuffworks.com/why-exactly-is-may-4th-a-star-wars-holiday.htmSee omnystudio.com/listener for privacy information.

The Serpent Mound, a vast effigy built on a meteorite crater's edge in what's now Ohio, may be 900 years old -- or much older. Learn what we know and don't know in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/archaeology/ohio-serpent-mound.htmSee omnystudio.com/listener for privacy information.

Anhedonia is a mental health condition where normally pleasurable things, from music to food to conversation to touch, don't feel good anymore. Learn what we're still learning about it in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/mental-health/mental-disorders/anhedonia.htmSee omnystudio.com/listener for privacy information.

Designing drones that can land and perch anywhere would be really useful, but it's harder than it may sound. Learn how researchers have pulled it off in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/perchiing-drones-news.htmSee omnystudio.com/listener for privacy information.

Myths about lightning abound, but this one is true: It's safest to avoid running the taps during a thunderstorm. Learn why in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/nature/climate-weather/storms/dangerous-to-bathe-during-thunderstorm.htmSee omnystudio.com/listener for privacy information.

Bunnies and hares have a number of distinct traits -- as does Bugs himself. Learn whether he leans rabbit or hare in this episode of BrainStuff, based on this article: https://entertainment.howstuffworks.com/bugs-bunny-rabbit-or-hare.htmSee omnystudio.com/listener for privacy information.

Switching to Daylight Savings Time gives us an extra hour of sunlight in the evenings during Spring and Summer months -- but is it helpful or hazardous? Learn more in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/geophysics/permanent-daylight-saving-time-news.htmSee omnystudio.com/listener for privacy information.

Some parents and advocacy groups recommend against allowing children to play with toys that resemble weapons. But is there any science to back that up? Learn about play, parenting, and aggression in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/mental-health/human-nature/behavior/playing-with-toy-guns-lead-to-actual-gun-violence.htmSee omnystudio.com/listener for privacy information.

Holly Frey, host of Stuff You Missed in History Cass, sits down with Naibe Reynoso, one of the ten winners of Seneca Women to Hear: Search for the Next Great Female PodcastersSee omnystudio.com/listener for privacy information.