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BrainStuff

BrainStuff

iHeartPodcasts

Science, Technology, Natural Sciences

3.91.7K Ratings

Overview

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.

2567 Episodes

Did Victorians Really Have a Language of Flowers?

In floriography, flowers and other plants are associated with meanings or sentiments (like physical emoji) -- but could you really send a message with a bouquet? Learn about the fad of floriography in Victorian England in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/cultural-traditions/floriography.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 5 August 2025

How Did the Cowboy Gallop into American History?

Cowboy culture didn't start in the Wild West. Learn about the Spanish, Indigenous, and Black history of cowboys in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-history/cowboys.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 29 July 2025

How Does Skin Tan and Burn?

When our skin deepens in color after sun exposure, it's trying to protect us from damage. Learn how it works -- plus why you should help it out with sunscreen, and why some people burn instead -- in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/skin-care/beauty/sun-care/sunscreen.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 28 July 2025

BrainStuff Classics: Why Are Opossums Awesome?

They eat trash and they look a little freaky, but the North American opossum is a smart, clean, disease-fighting, and all-around fascinating creature. Learn why in this classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/opossums-so-darn-ugly-theyre-adorable.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 27 July 2025

BrainStuff Classics: What Happens to Donated Blood?

After you donate blood, it goes through a complex system of testing, processing, and storage before it can be delivered to patients who need it. Learn how the system works in this classic episode of BrainStuff.See omnystudio.com/listener for privacy information.

Transcribed - Published: 26 July 2025

6 Historical Words That Don't Mean What You Think

Originally, Hedonists believed in moderation and Luddites were just looking to protect their job security. Learn about these and other words that've changed their meaning in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/10-historical-words-that-dont-mean-what-you-think.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 25 July 2025

How Do HeLa Cells Work?

Most of the human cells grown in labs that are used for scientific research come from samples taken from one woman in the 1950s. Learn about the amazing yet nonconsenting contribution of Henrietta Lacks in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/cellular-microscopic/hela-cell.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 24 July 2025

Why Is North Sentinel Island Totally Off-Limits?

This small island in the Bay of Bengal is home to one of the last uncontacted peoples on the planet -- and they seem to want to keep it that way. Learn how North Sentinel Island has remained independent in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/world-history/north-sentinel-island.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 8 July 2025

How Have Obituaries Changed?

Public death notices about common people are a fairly recent development, and they've changed a lot since their inception. Learn how obituaries went from dry statements to tributes to truth in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/funerals/obituary-history.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 7 July 2025

BrainStuff Classics: What Is the Mandela Effect?

When many people share a false memory, that's the Mandela Effect in action -- but how does it happen? Learn how our individual brains misremember stuff and how false memories can spread in this classic episode of BrainStuff.See omnystudio.com/listener for privacy information.

Transcribed - Published: 6 July 2025

BrainStuff Classics: What's the History (and Future) of Toilets?

The 'modern' toilet was invented in the 1700s. So what was it like in the past, and how could we improve on it in the future? Learn more about waste technologies in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/innovation/everyday-innovations/toilets-past-future-flush.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 5 July 2025

What Does Habeas Corpus Mean?

Habeas corpus is a centuries-old legal concept that basically means that the government has to have a valid legal reason if it's going to detain you. Learn why habeas corpus is so important -- and when it's been suspended in the U.S. -- in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/habeas-corpus-important.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 4 July 2025

Who Named the Planet Earth?

In most European languages, the planets are all named after Roman gods -- except for the planet you're hanging out on right now. Learn how Earth and the other planets got their names in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/who-named-planet-earth.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 3 July 2025

Does the Bunyip Really Roam Austraila's Wetlands?

A cryptid with a fearsome bellow, the bunyip is said to stalk the unwary who swim or walk alone at night in parts of Austraila and New Zealand. Learn about the potential real-life inspirations for the bunyip in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/science-vs-myth/strange-creatures/australian-bunyip.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 2 July 2025

How Does Foreign Accent Syndrome Work?

Patients with Foreign Accent Syndrome seem to develop a whole new accent overnight. Learn how it can happen in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/mental-health/neurological-conditions/foreign-accent-syndrome.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 10 June 2025

How Did Tetris Go from Soviet Passtime to Smashing Success?

During the Cold War, a programmer in the USSR created Tetris as a fun break for his coworkers. Learn how it became one of the best-selling video games of all time in this episode of BrainStuff, based on this article: https://electronics.howstuffworks.com/tetris.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 9 June 2025

BrainStuff Classics: Why Is Our Galaxy Warped?

Our galaxy isn't a flat disk -- it's warped like melted vinyl record. Learn how researchers discovered this and why they think it happened in this classic episode of BrainStuff.See omnystudio.com/listener for privacy information.

Transcribed - Published: 4 June 2025

BrainStuff Classics: How Long Can Animals Hold Their Breath?

Humans tend to max out at a couple minutes of breath holding, but some air-breathing reptiles and even mammals have evolved to spend extreme lengths of time underwater. Learn how long (and how they manage it) in this classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/animal-facts/what-animal-can-hold-its-breath-longest.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 3 June 2025

How Did the Dawes Act Steal 90 Million Acres of Land from Native Americans?

In the 1880s, an unlikely collaboration between land-hungry capitalists and social progressives ended in the sale of over 60 percent of Native American lands to non-Native people and corporations. Learn how it happened in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-history/dawes-act.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 2 June 2025

How Do You Make Hummingbird Food Safely?

A hummingbird feeder can help out your local birds (and allow you some prime birdwatching), but it's important to keep one safely and responsibly. Learn how to make hummingbird food with sugar and water, and keep a feeder clean, in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/hummingbird-food-recipe.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 22 May 2025

How Do Ghana's Fabulous 'Fantasy' Coffins Work?

In parts of Ghana and Togo, it's common to send the deceased off in style with coffins carved and brightly painted to resemble anything from chili peppers to taxi cabs to brand-name shoes. Learn about abebu adekai, also known as fantasy coffins, in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/funerals/ghana-fantasy-coffins.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 21 May 2025

How Did Frances Perkins Create America's Social Safety Net?

FDR's Secretary of Labor, Frances Perkins, pushed to create Social Security and expand workers' rights -- and she was the first woman to serve in a U.S. president's cabinet. Learn about her life and work in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/frances-perkins.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 20 May 2025

How Did POGs Become a '90s Phenomenon?

For a brief period in the 1990s, a simple game played with flashy paperboard discs ruled American playgrounds. Learn the history behind POGs in this episode of BrainStuff, based on this article: https://entertainment.howstuffworks.com/backyard-fun-games/pogs.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 19 May 2025

BrainStuff Classics: Can the Fear of Public Speaking Be Conquered?

As many as 7 in every 10 Americans have a fear of public speaking. Learn how this type of social anxiety develops -- and what you can do to fight it -- in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/mental-health/anxiety/conquering-fear-public-speaking.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 11 May 2025

BrainStuff Classics: Why Are Sloths' Toilet Habits So Dangerous?

Sloths only defecate once a week or so, and more sloths die during the process than at any other time. Learn why in this classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/sloths-only-poop-once-week.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 10 May 2025

How Did 'Uncle Tom' Go from Hero to Traitor?

In the 1850s, the abolitionist novel 'Uncle Tom's Cabin' was America's first bestseller, and its enslaved character Uncle Tom was a heroic martyr. Learn how 'Uncle Tom' later became a biting insult in this episode of BrainStuff, based on this article: https://entertainment.howstuffworks.com/arts/literature/uncle-toms-cabin.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 9 May 2025

Could Orbital Chaos Make the Planets Collide?

Our solar system runs pretty smoothly, but even tiny changes to how the planets, moons, and asteroids move could potentially cause Earth to collide with Mars or Venus in the distant future. Learn more about how chaos theory applies to planetary orbits in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/earth-venus-mars-collide.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 8 May 2025

How Did Woolly Mammoths Work?

These cold-adapted cousins of modern elephants coexisted with humans for thousands of years. Learn what we know (and don't know) about them -- and why we shouldn't bring them back -- in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/extinct-animals/woolly-mammoth.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 6 May 2025

What Makes You Dizzy When You Stand Up?

If you've ever gotten dizzy and seen stars for a second after standing or moving quickly, don't worry, it's just your heart adjusting to the sudden change. Learn why it happens and how to prevent it in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/nervous-system/split-second-dizziness.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 5 May 2025

BrainStuff Classics: Why a Gaggle of Geese? Where Do Collective Nouns Come From?

About 500 years ago, creating clever collective nouns for groups of animals, objects, and people was trendy, and some of those nouns of assemblage stuck. Learn the history of this quirk of the English language in today's classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/shrewdness-apes-collective-nouns-500-year-old-language-fad.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 20 April 2025

BrainStuff Classics: What's in Movie Theater Popcorn?

The satly, buttery popcorn sold in movie theaters is nigh irresistible, but there's zero butter involved. Learn what it's made of in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/food-nutrition/facts/what-heck-is-in-movie-theater-popcorn.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 19 April 2025

Why Can't We Eat Grass?

Some animals like cows can live on grass, so why can't humans? And why do dogs and cats eat it even though they can't live on it either? Learn about digesting grass in this episode of BrainStuff, based on these articles: https://animals.howstuffworks.com/pets/why-do-dogs-and-cats-eat-grass.htm; https://health.howstuffworks.com/human-body/systems/digestive/why-humans-dont-eat-grass.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 18 April 2025

How Does the Sun Rotate?

Yes, the sun rotates, but it does so a little differently than rocky planets like Earth. Learn how (and why) in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/does-sun-rotate.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 17 April 2025

Can a Turtle Outgrow Its Shell?

A turtle's shell grows with it throughout its life. Learn how a hard, protective shell can keep growing in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/reptiles/turtle-shell.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 16 April 2025

What Is Fascism?

In fascism, the needs of the people bow to the needs of the State, and violent, authoritarian leaders demand unity, sacrifice, and a strict social heirarchy in order to enact constant conquest to bring glory to the State. Learn more about the past and present of fascism in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/fascism-movement.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 15 April 2025

How Does the 'Zombie Ant' Fungus Work?

Some specialized fungi can hijack the behavior of ants, wasps, and spiders in order to spread their spores. Learn about the real-life Cordyceps and Ophiocordyceps fungi that inspired 'The Last of Us' in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/cellular-microscopic/zombie-ant-fungus.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 14 April 2025

Introducing: ScienceStuff

Ever wonder if your pet is lying to you, what's inside a black hole, or whether you'd survive being cryogenically frozen? With infectious curiosity, cartoonist and former roboticist Jorge Cham makes science fun and accessible as he answers your biggest questions. Listen here and subscribe to ScienceStuff on the iHeartRadio app or wherever you get your podcasts!See omnystudio.com/listener for privacy information.

Transcribed - Published: 31 March 2025

2025-03-27-brainstuff-anne-frank

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Transcribed - Published: 27 March 2025

BrainStuff Classics: Why Are Whales Big (But Not Bigger)?

Whales are some of the largest creatures on Earth -- but why? And why aren't they bigger? Learn a whale of a tale about ocean mammals in this classic episode of BrainStuff.See omnystudio.com/listener for privacy information.

Transcribed - Published: 26 March 2025

BrainStuff Classics: Was Earth's Oldest Rock Found on the Moon?

The oldest known intact Earth rock was collected on the moon in the 1970s. Learn how researchers think it got there it in this classic episode of BrainStuff.See omnystudio.com/listener for privacy information.

Transcribed - Published: 25 March 2025

What Were Prehistoric 'Hell Pigs'?

Enormous, pig-like omnivores with bone-barbed faces and long tusks once hunted and fought throughout what's now North America, Eurasia, and Africa. Learn about the entelodonts in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/extinct-animals/prehistoric-hell-pigs-once-roamed-earth.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 24 March 2025

When Did We Start Calling American Citizens 'Consumers'?

Sometime in the 1900s, Americans began referring to themselves as consumers more often than as citizens. Learn how this mindset can make a real difference in how we take responsibility for our communities in today's episode of BrainStuff, based on this article: https://people.howstuffworks.com/american-citizens-versus-consumers.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 23 March 2025

Who Was Harriet Tubman?

Harriet Tubman helped people escape slavery, ran intelligence missions for the Union during the Civil War, and set up the first nursing home for Black Americans. Learn more about her in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/harriet-tubman.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 21 March 2025

Is Pluto Really Not a Planet?

Although the International Astronomical Union demoted Pluto from a planet to a dwarf planet in 2006, some scientists think it deserves to be reinstated. Learn why in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/pluto-is-it-planet-after-all.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 20 March 2025

How Do Flying Snakes Work?

Flying snakes don't really fly, but they can glide long distances from rainforst treetops. Learn what we know (and don't know!) about them in this episoe of BrainStuff, based on this article: https://animals.howstuffworks.com/snakes/flying-snakes.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 26 February 2025

Who Is Uncle Sam?

This stern, patriotic character goes back to the early 1800s, but became an icon thanks to American propaganda during WWI. Learn more about Uncle Sam in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/uncle-sam-man-myth-legend.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 25 February 2025

BrainStuff Classics: Should You Be Squatting More?

Short answer: Yeah, probably. Most Westerners have traded squatting for sitting and standing, to the detriment of our backs and joints. Learn the benefits of a good squat -- and how you can incorporate them into your day -- in this classic episode of BrainStuff.See omnystudio.com/listener for privacy information.

Transcribed - Published: 15 February 2025

BrainStuff Classics: Why Don't Penguin Feet Freeze?

Standing barefoot on a glacier, human feet would freeze solid -- but penguin feet are fine. Learn why in this classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/why-penguin-feet-dont-freeze.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 14 February 2025

How Did 'Silent Spring' Change the World?

Marine biologist Rachel Carson published lots of books about the environment, but her investigation of DDT, 'Silent Spring', cracked open the insecticide industry. Learn about her life and work in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/dictionary/famous-scientists/biologists/10-things-should-know-about-rachel-carson.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 13 February 2025

Who Invented Sports Drinks?

Sports drinks are a multibillion-dollar business that traces back to just two brands: Lucozade from the 1920s, and Gatorade from the 1960s. Learn how they were conceived in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/innovation/everyday-innovations/who-invented-sports-drinks.htmSee omnystudio.com/listener for privacy information.

Transcribed - Published: 12 February 2025

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