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
BrainStuff Classics: Could the Great Depression Happen Again?
There were many factors that led to the depth and length of the Great Depression, but some of these mistakes are being repeated today. Learn what historians and economists are saying we should watch out for in this classic-but-relevant episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-history/great-depression.htmSee omnystudio.com/listener for privacy informa
How Many Arachnids Live in Your Eyelashes?
Pretty much every human has thousands of microscopic mites living in the hair follicles on their face, feeding off of the dead skin cells and oils there. Learn why you probably shouldn't worry about Demodex mites in today's episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/eye/are-there-really-arachnids-living-in-my-eyelashes.htmSee omnystudio.com/li
Are Induction Cooktops Better than Gas or Electric?
Instead of putting a pan on a source of heat (like a gas burner or electric element), an induction cooktop creates heat in the pan itself thanks to the principles of electromagnetism and resistance. Learn how it works -- plus the pros and cons of the technology -- in today's episode of BrainStuff, based on this article: https://home.howstuffworks.com/induction-cooktops.htm/printableSee omnystudio.
How Did Mastodons Defend the Legitimacy of America?
In the 1700s, fossil finds along the Ohio and Hudson Rivers indicated that North America was home to mysterious beasts. Learn how mastodon bones proved both that extinction is real and that America isn't full of degenerates in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/extinct-animals/mastodon-boneyard-that-stole-thomas-jeffersons-heart.htmSee omnystudio.c
BrainStuff Classics: Why Do Some People Eat Dirt?
The craving for and practice of eating earth is more widespread than you might think. Learn why researchers think people engage in this form of pica (i.e., geophagy) in today's classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/cultural-traditions/why-do-people-eat-dirt.htmSee omnystudio.com/listener for privacy information.
What Advice About Lightning Is Wrong?
A lot of sayings and ideas about how to avoid getting struck by lightning are misguided. Learn how to stay storm safe in a building, a vehicle, or outside in today's episode of BrainStuff, based on these articles: https://science.howstuffworks.com/nature/climate-weather/storms/do-rubber-tires-insulate-car-from-lightning.htm; https://science.howstuffworks.com/nature/climate-weather/storms/10-lightn
How Did Wild Bill Hickok Become America's First Gunslinger?
In the mid-1800s, the archetype of the gentleman gunslinger emerged through tall tales of real people like James Butler 'Wild Bill' Hickok. Learn how Wild Bill became a legend in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/wild-bill-hickok.htmSee omnystudio.com/listener for privacy information.
What Colors Are Impossible?
All colors only really exist in the mind of the beholder -- and there are colors that we can't perceive, or can only perceive under particular circumstances. Learn about impossible colors and how to see them in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/impossible-colors.htmSee omnystudio.com/listener for privacy information.
BrainStuff Classics: What's the Controversy Behind 'Mary Had a Little Lamb'?
No, it's not the lyrics -- the author of this nursery rhyme is what's in question. Learn why (and how Henry Ford was involved) in today's classic episode of BrainStuff, based on this article: https://entertainment.howstuffworks.com/arts/literature/controversy-behind-mary-had-little-lamb.htmSee omnystudio.com/listener for privacy information.
What Was the World's Largest Nuclear Weapon?
In 1961, the USSR set off a 57-megaton atomic bomb, nicknamed the Tsar Bomba. It's still by far the most powerful nuclear weapon ever built. Learn how its test changed history in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/tsar-bomba.htmSee omnystudio.com/listener for privacy information.
How Do Red-Tailed Hawks Work?
This large, loud hawk is probably North America's most common because it's so adaptable. Learn more about red-tailed hawks in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/red-tailed-hawk.htmSee omnystudio.com/listener for privacy information.
How Does Ketchup Work?
This all-American condiment got its start as a fermented fish sauce and featured in the formation of the Food and Drug Administration. Learn about the history of tomato ketchup -- and why it's so hard to get out of bottles -- in today's episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/ketchup.htmSee omnystudio.com/listener for privacy information.
BrainStuff Classics: How Can You Help a Friend with Depression?
We all know we're supposed to reach out to friends and family experiencing depression, but it's an intimidating prospect. Learn how to get a conversation started in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/mental-health/depression/questions/help-friend-with-depression.htmSee omnystudio.com/listener for privacy information.
How Does the Myth of the Minotaur Work?
The Minotaur -- a monstrous half man, half bull -- has raged through stories for millennia. But where did he and his labyrinth come from? Learn the ancient history and modern psychology behind both in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/history-vs-myth/minotaur.htmSee omnystudio.com/listener for privacy information.
How Do Manatees Work?
Manatees swim the calm waterways of tropical Atlantic coastlines with no worries of natural predators. Learn why humans are their only real danger -- and how we can help -- in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/manatees.htm; https://animals.howstuffworks.com/mammals/manatees-see-underwater.htmSee omnystudio.com/listener for privacy infor
Why Do We Put Diamonds on Engagement Rings?
The tradition of putting diamonds on engagement rings is less than a century old, but some 80% of engagement rings in the U.S. now bear them. Learn how a cartel and an ad campaign created such a pervasive demand for diamonds in today's episode of BrainStuff, based on this article: https://money.howstuffworks.com/true-story-blood-diamonds.htm and this video: https://www.youtube.com/watch?v=IceJ-gUm
How Did the Stonewall Riots Work?
The police raid and ensuing riots at the Stonewall Inn in June of 1969 became a turning point in queer civil rights because of the larger movement that coalesced around it. Learn about its place in LGBTQIA history in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-events/stonewall-riots.htmSee omnystudio.com/listener for privacy information.
How Did the Smallest Primates Get Such Big Eyes?
Tarsiers are our palm-sized primate cousins that evolved in the forests of Southeast Asia to have long limbs and huge, round eyes. Learn how we've learned about them in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/tarsier.htmSee omnystudio.com/listener for privacy information.
What Would Happen If You Swallowed a Leech?
This isn't just the least-fun thought experiment, it's a medical malady common enough to have its own name. Learn how internal hirudiniasis works (and why you don't need to panic if if happens to you) in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/marine-life/swallow-leech.htmSee omnystudio.com/listener for privacy information.
How Can Rhubarb Grow in the Dark?
We know rhubarb as a tart fruit that looks like pink celery, but it also has a bulbous underground storage unit that was used medicinally for millennia -- and lets it grow in complete darkness. Learn about the pie plant (and how rhizomes work) in this episode of BrainStuff, based on this article: https://home.howstuffworks.com/rhubarb.htmSee omnystudio.com/listener for privacy information.
How Does the Blue-Footed Booby Work?
This marine bird carries the color of the ocean in its webbed feet, was named after an insult, and uses its excrement in creative ways. Learn about the blue-footed booby in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/blue-footed-booby.htmSee omnystudio.com/listener for privacy information.
Who Was Helen of Troy?
Helen is a figure from Greek myth -- a daughter of Zeus with a mortal woman, and said to have been the most beautiful woman in the world. Learn more about her (and how she perhaps inadvertently started the Trojan War) in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/history-vs-myth/helen-of-troy.htmSee omnystudio.com/listener for privacy information.
How Does Your Heart Get Blood?
Your heart needs blood as much as any other muscle in your body, and it receives it the same way -- just a little earlier than anyone else. Learn how the coronary arteries work (and what can go wrong when they don't) in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/circulatory/heart-pump-blood.htmSee omnystudio.com/listener for privacy infor
How Do Butterflies Get Their Brilliant Colors?
Butterfly wings often come in striking, iridescent colors -- but it's not from pigments (or not entirely). Learn how microscopic structures give butterfly wings their flash in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/insects/butterfly-colors.htmSee omnystudio.com/listener for privacy information.
How Did William the Conquerer Transform England?
In the year 1066, the illigitimate son of a Norman duke conquered England and became its king, changing English history (and language!) forever. Learn how William the Conquerer rose and ruled in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/european-history/william-conqueror.htmSee omnystudio.com/listener for privacy information.
Could Dilophosaurus Really Spit Poison?
OK, we're almost sure the answer is no. But there was a fossil-based reason that 'Jurassic Park' included this detail. Learn about the real-life Dilophosaurus in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/dinosaurs/dilophosaurus.htmSee omnystudio.com/listener for privacy information.
Do Our Pinky Toes Serve a Purpose?
Your pinky toes are actually powerhouses of locomotion. Learn how they help us move -- and what can go wrong if they get injured -- in today's episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/parts/surprise-pinky-toe-does-serve-purpose.htmSee omnystudio.com/listener for privacy information.
Where Did the At Symbol Come From?
The @ sign goes by many names today, but it's only so commonplace because of medieval merchants and one 1970s programmer. Learn more about the at sign (or arroba, Klammeraffe, strudel, grisehale, or gül) in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/arroba.htmSee omnystudio.com/listener for privacy information.
BrainStuff Classics: What Can Babies See in the Womb?
A human fetus doesn't develop retinas until around gestational week 28. Learn how researchers have tried to figure out what babies can see in the few remaining weeks before they're born in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fetal-development/what-do-babies-see-before-birth.htmSee omnystudio.com/listener for
Can You Really Escape an Alligator by Running Zigzag?
You could probably outsprint an alligator no matter what pattern you ran in -- but it's extremely unlikely that you'd ever need to. Learn how alligators do and don't attack in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/reptiles/alligator-zigzag.htmSee omnystudio.com/listener for privacy information.
What Fueled the Feud of the Hatfields and McCoys?
The 30-year feud between these two families is more dramatic than fiction -- and may be the starting point of negative stereotypes about Appalachia. Learn about the story behind the Hatfields and McCoys in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-history/hatfields-and-mccoys.htmSee omnystudio.com/listener for privacy information.
How Does Mayonnaise Work?
Love it or hate it, mayo achieves a creamy texture without any dairy thanks to the science of emulsions. Learn how it works -- and why it's not the real danger in potato salad -- in this episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/food-facts/question617.htm Listen to the Savor episode about mayo here (or wherever you get your podcasts): https://omny.fm/shows/sav
How Did a Wisconsin Woman Lead a German Resistance to Nazis?
Mildred Harnack was an American literature professor living in Berlin when the Third Reich took control. Learn how she and her husband led a resistance ring that enraged Hitler in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/mildred-harnack.htm Find the book 'All the Frequent Troubles of Our Days' here: https://www.rebeccadonner.com/See om
Are Lobsters Functionally Immortal?
It's true that lobsters don't age, but that doesn't quite make them immortal, and it's far from the only fabulously weird thing about them. Learn about lobsters -- including why they're biologically immortal, and how that might help human health in the future -- in this episode of BrainStuff, based on these articles: https://animals.howstuffworks.com/marine-life/400-pound-lobster.htm; https://anim
Is It 'Jerry-Rigged' or 'Jury-Rigged'?
Both of these terms are actually valid, though they have slightly different meanings, and only one of them is based in sailors' slang. Learn the history of 'jury-rigged' and 'jerry-rigged' -- and how to use them correctly -- in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/jury-rigged-vs-jerry-rigged.htmSee omnystudio.com/listener for privacy information.
How Did Beer Help Sell the Myth of Custer's Last Stand?
The idea of General George Custer's deadly military blunder being a heroic last stand was constructed over decades to encourage U.S. colonization of the West. Learn how Anheuser-Busch helped in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-history/custers-last-stand.htmSee omnystudio.com/listener for privacy information.
How Does Bioluminescence Work?
When organisms like fireflies, fungi, and fish glow with cold light, there's chemistry at work. Learn what we know (and don't know!) about bioluminescence -- including how humans are harnessing it -- in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/animal-facts/bioluminescence.htm/printableSee omnystudio.com/listener for privacy information.
How Is Maillardet's Automaton Still Wowing Us After 200 Years?
Around the year 1800, Swiss clockmaker Henri Maillardet created a mechanical doll that moves like a person as it produces drawings and poems with a pen on paper -- it's programmed for seven in total, without having any electrical parts. Learn how it and other automata work in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/maillardets-automaton.htmSee omnystudi
How Do Tiny Capers Pack Such a Big Flavor Punch?
Capers are the flower buds of a spiny shrub, and though they have a lot of flavor on their own, they're often amped up by being pickled or packed in salt. Learn more about capers and how to cook with them in this episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/capers.htmSee omnystudio.com/listener for privacy information.
What Do A.M., P.M., and SOS Stand For?
OK, this is a trick question -- 'SOS' doesn't stand for anything at all. Learn the history of these three terms, including what astronomy and telegraphy have to do with it, in today's episode of BrainStuff, based on this article: https://people.howstuffworks.com/am-pm.htm; https://people.howstuffworks.com/what-does-sos-mean.htmSee omnystudio.com/listener for privacy information.
How Do Fainting Goats Work?
Fainting goats don't really faint -- their muscles just lock up for a few extra seconds when they startle or get excited. Learn how myotonia works and why it can actually be a useful trait in goats in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/fainting-goat.htmSee omnystudio.com/listener for privacy information.
Does Smog Make Sunsets More Beautiful?
Although a little air pollution can bring out brilliant colors in sunsets, most of it just causes a washed-out haze. Learn how both sunsets and smog work in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/green-science/smog-sunset.htmSee omnystudio.com/listener for privacy information.
Why Does Albania Have Hundreds of Thousands of Bunkers?
When Albanian dictator Enver Hoxha started building concrete bunkers during the Cold War, it was part paranoia and part propaganda. Learn more about these mysterious bunkers and how they're being repurposed today in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/european-history/albania-bunkers.htmSee omnystudio.com/listener for privacy information.
What Pranks Have Astronauts Pulled?
Since the early days of space exploration, some of NASA's greatest have pulled some great pranks. Learn about our favorites, from a smuggled sandwich to a space gorilla, in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/ridiculous-history-5-nasa-greatest-pranks.htmSee omnystudio.com/listener for privacy information.
How Can Your Body Learn to Tolerate Cold?
When you shiver, your fingers and toes go numb, or you get goosebumps in the cold, that's actually your body trying to keep you warm. Learn how it works -- and how you habituate to chilly temperatures over time -- in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/nervous-system/body-learn-frigid-temperatures.htmSee omnystudio.com/listener for
How Did the War of 1812 Settle the American Revolution?
The War of 1812 between the U.S. and the British Empire ended in a stalemate, but it established the U.S. as an independent nation and economic power -- and allowed Americans to colonize the West. Learn more in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-events/war-1812.htmSee omnystudio.com/listener for privacy information.
How Do Geoducks Work?
Geoducks are large clams that can live for over a century, are eaten as delicacies, and look incredibly NSFW. Learn more about these amazing mollusks in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/marine-life/geoducks.htmSee omnystudio.com/listener for privacy information.
How Did One Woman Make Vincent van Gogh Famous?
Van Gogh didn't find fame or financial success during his life. But after he died, his widowed sister-in-law, Johanna van Gogh-Bonger, worked for decades to bring his life and work to the spotlight. Learn more about her in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/johanna-van-gogh-bonger.htmSee omnystudio.com/listener for privacy inform
How Does Building Muscle Work?
Building muscle isn't just about getting ripped -- it's a way all of us can be healthier. Learn about the facts and fictions behind building muscle (aka mucle hypertrophy) in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/diet-fitness/exercise/hypertrophy.htmSee omnystudio.com/listener for privacy information.
Deinonychus: The Dinosaur That Sparked a Renaissance
The discovery of Deinonychus, an agile theropod that may have hunted in packs, changed the way we think about dinosaurs -- and inspired 'Jurassic Park' to boot. Learn about Deinonychus and the real (smaller) Velociraptor in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/dinosaurs/deinonychus.htmSee omnystudio.com/listener for privacy information.
How Do Scales Measure Weight?
Scales range from simple machines that weigh your produce to precision instruments that measure anything from molecules to massive cargo -- but they all work on related principles. Learn how different types of scales work in this episode of BrainStuff, based on this article: https://electronics.howstuffworks.com/gadgets/fitness/digital-scale.htmSee omnystudio.com/listener for privacy information.
How Did the Penn Center Become a Civil Rights Sanctuary?
In South Carolina, the first school for formerly enslaved people during the Civil War shifted to become a center for social activism during the Civil Rights movement, and stands today as a landmark of African American culture and history. Learn more about the Penn Center in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-civil-war/penn-center-strategic
BrainStuff Classics: Why Is Cramming the Worst Way to Study?
Cramming for a test or other deadline may give you decent short-term results, but research shows it sacrifices long-term comprehension and memory. Learn why study methods like spacing and interleaving are better in this classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/why-cramming-is-worst-way-to-study.htmSee omnystudio.com/listener for privacy information.
How Can We Separate Ninja Fact from Ninja Fiction?
Over a few hundred years, real stories about secretive agents developed into the legend of the ninja. Learn how this myth captured the world's imagination -- and about the work being done at the world's first International Ninja Research Center -- in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/first-ninja-research-center-out-to-solve-myth-behind-legend.htmSe
How Did 'Bourgeois' Become a Bad Word?
The French word 'bourgeois' originally just meant a middle-class town dweller, but it's taken on a lot of different (and often derogatory) connotations over the centuries, including in the English slang term 'bougie'. Learn more in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/bourgeoisie.htmSee omnystudio.com/listener for privacy information.
How Did the Jane Collective Work?
When abortion was illegal throughout the U.S., it was still perfomed -- just dangerously or expensively. Learn about the Jane Collective -- an underground network that helped people access safe, affordable, illegal abortions -- in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/jane-collective.htmSee omnystudio.com/listener for privacy information.
How Do Ducks Float?
Ducks can hold extra air in their feathers and bodies, making it easy for them to float -- and to squeeze out the air and dive when they want to. Learn more about ducks and bouyancy in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/duck-float.htmSee omnystudio.com/listener for privacy information.
BrainStuff Classics: What Was the Emu War?
Following World War II, Austrialia became embroiled in another war -- with a population of emu. Learn how the Emu War unfolded in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-events/ridiculous-history-emu-war.htmSee omnystudio.com/listener for privacy information.
BrainStuff Classics: Do Truly Unselfish Acts Really Exist?
Neurologists and philosophers alike may argue that altruism doesn't exist because no act is ever completely unselfish. Learn why -- and why humans may have evolved this way -- in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/evolution/unselfish-act.htmSee omnystudio.com/listener for privacy information.
How Is Forest Lawn Memorial Park the 'Disneyland of Cemeteries'?
Just outside Los Angeles, Forest Lawn Memorial Park is the resting place of many celebrities -- and also home to art, architecture, and celebrations of life. Learn about it in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/funerals/forest-lawn-memorial-park.htmSee omnystudio.com/listener for privacy information.
What Colors Can Blood Be Other Than Red?
Not all animals have red blood -- it can also come in green, blue, clear, and even dichroic varieties. Learn more in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/animal-facts/5-animals-whose-blood-isnt-red.htmSee omnystudio.com/listener for privacy information.
What Caused the Laughter Epidemic of 1962?
At a girls' boarding school in what's now Tanzania, a fit of giggles expanded into a months-long epidemic of stressed-out laughter affecting hundreds of people. Learn what we know (and still don't know) about this mass psychogenic illness in today's episode of BrainStuff, based on this article: https://health.howstuffworks.com/mental-health/human-nature/behavior/1962-tanganyika-laughter-epidemic.h
What's the History of Remote Controls?
Today, we use remote controls for everything from televisions to car doors to Mars rovers. Learn about the history and technologies behind them (including radio-frequency, ultrasonic, and infrared remotes) in this episode of BrainStuff, based on these articles: https://science.howstuffworks.com/innovation/repurposed-inventions/history-of-remote-control.htm; https://electronics.howstuffworks.com/re
How Did One Portuguese Diplomat Save Thousands of Holocaust Refugees?
During WWII, a diplomat by the name of Aristides de Sousa Mendes disobeyed his government in order to provide safe passage to thousands of people fleeing fascist violence in Europe. Learn how his descendents are working together with descendents of those he saved to tell his story in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/aristides-d
How Do Search-And-Rescue Dogs Work?
When every minute counts, search-and-rescue dogs can help locate disaster victims far faster than humans alone. Learn about how they're trained in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/animal-facts/sar-dog.htm/printableSee omnystudio.com/listener for privacy information.
BrainStuff Classics: Why Do We Drop a Ball on New Year's Eve?
The tradition of dropping a ball in Times Square to mark the beginning of a new year only goes back about a century. Learn about the history -- plus four weird things that other cities drop instead -- in this classic episode of BrainStuff.See omnystudio.com/listener for privacy information.
Can You Really Die of Boredom?
No, you can't literally die of boredom -- but it can lead to some high-risk behaviors. Learn more about boredom, ennui, and how to shake them in this episode of BrainStuff, based on these articles: https://science.howstuffworks.com/life/inside-the-mind/emotions/bored-to-death.htm; https://health.howstuffworks.com/mental-health/human-nature/ennuiSee omnystudio.com/listener for privacy information.
BrainStuff Classics: Why Does Cashmere Cost So Much?
Cashmere can be more expensive than other wools because producing it is such an intensive process -- for the goats that grow it and the humans who care for them. Learn more in this classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/why-is-cashmere-so-expensive.htmSee omnystudio.com/listener for privacy information.
Why Is There a Pooping Figurine in Some Nativity Scenes?
In Catalonia, there's a two-hundred-year-old tradition of including a figurine of a man pooping in the shadows of Nativity scenes. Learn about el caganer in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/holidays-christmas/pooping-man-catalan-nativity-scene.htmSee omnystudio.com/listener for privacy information.
How Do Rice Cookers Work?
These small appliances help home cooks achieve excellent rice via two categories of technology: ingeniously simple physics, or incredibly complex algorithms. Learn about heat-sensitive switches and fuzzy logic in this episode of BrainStuff, based on this article: https://home.howstuffworks.com/rice-cooker.htm/printable For more about the history of rice cookers, check out this episode of Lauren's
How Can Mudlarking Turn Trash Into Treasure?
Mudlarking means sifting through riverbank muck in hopes of finding lost or discarded historical artefacts. Learn how it works, especially in the River Thames, in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/archaeology/mudlarking.htmSee omnystudio.com/listener for privacy information.
How Do Walruses Work?
These arctic animals have complex social structures and may eat 6,000 clams in a single meal. Learn more walruses in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/walrus.htm/printableSee omnystudio.com/listener for privacy information.
What Happens When Your Immune System Turns on You?
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.See omnystudio.com/listener for privacy information.
How Can Slime Mold Think Without a Brain?
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.htmSee omnystudio.com/listener for privacy information.
What's the Difference Between Cougars, Pumas, and Mountain Lions?
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.htmSee omnystudio.com/listener for privacy information.
Who Named the Americas?
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.htmSee omnystudio.com/listener for privacy information.
BrainStuff Classics: Would Turkey Be So Popular Without Thanksgiving?
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.htmSee omnystudio.com/listener for privacy information.
Could a Solar Flare Wipe Out Earth's Electronics?
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.htmSee omnystudio.com/listener for pr
How Can Dolphins Detect Sea Mines?
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.htmSee omnystudio.com/listener for privacy information.
How Does the Skin Barrier Work?
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.See omnystudio.com/listener for privacy information.
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