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BrainStuff

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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.
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Episodes

BrainStuff Classics: Why Is Palm Oil in So Many Things?

Palm oil is in lots of foods, cosmetics, and household products -- and that's a very serious thing. Learn the problems (and solutions) that palm oil presents in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/conservation/issues/palm-oil-is-everywhere-heres-why-that-matters.htm See omnystudio.com/listener for privacy information.

Mar 17, 20246 min

Where Did the Word 'OK' Come From?

OK may be the most frequently spoken word in the world -- but what does it stand for? How did it get here? Learn the etymology behind it in this episode of BrainStuff, based on this article -- okay? Okay! https://people.howstuffworks.com/history-ok.htm See omnystudio.com/listener for privacy information.

Mar 16, 20249 min

Should You Beware the Ides of March?

The Ides of March is an artifact of an ancient Roman calendar that's stuck with us thanks to Julius Caesar getting himself assassinated and William Shakespeare writing about it. Learn more in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/history-vs-myth/ides-of-march.htm See omnystudio.com/listener for privacy information.

Mar 15, 20248 min

How Do Fruit Bats Work?

The many species of fruit bats around the world help pollinate our plants and spread their seeds far and wide. Learn more about these flying mammals in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/fruit-bats.htm See omnystudio.com/listener for privacy information.

Mar 14, 20247 min

What Are Meat Sweats?

Sometimes, foods that require more effort for our bodies to digest (like meats) can cause us to sweat. Learn why in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/diseases-conditions/digestive/are-meat-sweats-real-thing.htm See omnystudio.com/listener for privacy information.

Mar 13, 20244 min

How Did Susan B. Anthony Work?

Susan B. Anthony went from a radical arrested for placing a vote to an honoree on U.S. currency within a century. Learn more about her life and work in both abolition and women's suffrage in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/susan-b-anthony.htm See omnystudio.com/listener for privacy information.

Mar 05, 20247 min

BrainStuff Classics: What Happens When Elevator Cables Break?

Elevators cables are inspected on the regular, but what happens when one breaks? Learn about the ingenious systems that keep elevators safe when even the worst happens in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/science-vs-myth/everyday-myths/question730.htm See omnystudio.com/listener for privacy information.

Mar 04, 20245 min

BrainStuff Classics: How Can I Donate My Brain to Science?

Researchers, like zombies, are interested in brains of all kinds. Learn a few basics about how donating your brain to science works in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/nervous-system/5-things-didnt-know-about-donating-brain-to-science.htm See omnystudio.com/listener for privacy information.

Mar 03, 20243 min

Why Is the Ocean Different Colors?

The ocean can appear to be many different shades of blue (and green, and even violet) -- but all water is clear. Learn why in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/oceanography/why-is-ocean-different-colors-different-places.htm See omnystudio.com/listener for privacy information.

Mar 02, 20247 min

Are You Picturing the Right Brachiosaurus?

Confusion about what a Brachiosaurus is started the moment paleontologists discovered one. Learn about these long-armed sauropods (and about the dino cousin they're often pictured as, Giraffatitan) in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/dinosaurs/brachiosaurus.htm See omnystudio.com/listener for privacy information.

Mar 01, 20249 min

How Does Critical Race Theory Work?

The term 'critical race theory' started causing a lot of buzz back in 2020, but what does it really mean? And is it being taught in schools? Learn about this academic theory in today's episode of BrainStuff, based on this article: https://people.howstuffworks.com/critical-race-theory-news.htm See omnystudio.com/listener for privacy information.

Feb 29, 202412 min

Is Oxytocin Really A Love Drug?

Our brains release the hormone oxytocin during pleasant circumstances and bonding experiences -- but can we really take it to induce those experiences? Learn why it's complicated in this episode of BrainStuff, based on this article: thttps://health.howstuffworks.com/human-body/systems/endocrine/oxytocin.htm See omnystudio.com/listener for privacy information.

Feb 28, 20247 min

How Do Pistol Shrimp Work?

Pistol shrimp (aka snapping shrimp) can 'shoot' bubbles that go off louder than a gun and will stun prey or dig into rock. Learn more (including how they're inspiring nuclear fission research) in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/marine-life/pistol-shrimp.htm See omnystudio.com/listener for privacy information.

Feb 27, 20247 min

BrainStuff Classics: Why Did London Once Have a Train for the Dead?

As London grew throughout the 1800s, it became clear that there wasn't enough real estate for its deceased citizens. Learn how the London Necropolis Railway took the funerary show on the road in this classic episode of BrainStuff. See omnystudio.com/listener for privacy information.

Feb 17, 20245 min

BrainStuff Classics: Why Does Beer Foam Last Longer Than Soda Foam?

Beer and soda both form sudsy bubbles when you pour them, so why does soda's foam dissipate while beer's forms a head? Learn about foam physics in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/innovation/edible-innovations/beer-form-head-not-soda.htm See omnystudio.com/listener for privacy information.

Feb 16, 20244 min

How Did Maya Angelou Work?

Maya Angelou was a people's poet -- an artist, activist, and teacher whose words resonate from Supreme Court Justices to internet memes. Learn more about her through a few of her own quotes in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/maya-angelou-quotes.htm To hear more from today's writer, Yves Jeffcoat, listen to her podcast, On Theme: https://www.ontheme.show/ See omnystudio.com/listener for privacy information....

Feb 15, 20249 min

How Does Scurvy Work?

Scurvy is a serious condition that's easily cured with access to vitamin C. Learn why humans get it (and why it was the scourge of the high seas) in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/diseases-conditions/rare/scurvy.htm See omnystudio.com/listener for privacy information.

Feb 14, 20249 min

Do Cows Really Pollute As Much As Cars?

Cattle burp so much methane into our atmosphere that it's the equivalent of how much cars pollute every day. Learn what researchers are trying to do about the gassy situation in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/methane-cow.htm See omnystudio.com/listener for privacy information.

Feb 13, 20247 min

Where Does Earth's Water Come From?

The water cycle brings Earth's water from the clouds to the ground and back again -- but how did it get here in the first place? Learn about the leading theories in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/geophysics/water-come-from.html See omnystudio.com/listener for privacy information.

Feb 06, 20247 min

Why Does the Orchid Mantis Imitate Flowers?

These mantises look like beautiful, bright orchids -- and some use that to aggressively attract prey. Learn more in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/insects/orchid-mantis.htm See omnystudio.com/listener for privacy information.

Feb 05, 20245 min

BrainStuff Classics: When We Lose Weight, Where Does It Go?

When we lose weight, it doesn't just vanish. Learn how our bodies shrink fat cells in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/diet-fitness/weight-loss/lost-weight.htm/printable See omnystudio.com/listener for privacy information.

Feb 04, 20245 min

BrainStuff Classics: What Can Probiotics Really Do?

Some claims make it sound like probiotics are a cure-all, but what has research found so far? Learn more about these supplements for your microbiome in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/preventive-care/probiotic.htm See omnystudio.com/listener for privacy information.

Feb 03, 20245 min

Is Jaywalking Still a Crime?

As a pedestrian, crossing the street wherever you want can be dangerous -- which is why it's still technically illegal in many American jurisdictions. Learn more in this episode of BrainStuff, based on this article: https://auto.howstuffworks.com/car-driving-safety/accidents-hazardous-conditions/jaywalking-crime.htm See omnystudio.com/listener for privacy information.

Feb 02, 20247 min

Why Is the Bradford Pear Tree Bad – Even Beyond the Smell?

Though beautiful, Bradford pear trees are invasive in the U.S., use up precious water, are brittle -- and smell decidedly funky. Learn more in this episode of BrainStuff, based on this article: https://home.howstuffworks.com/whats-that-smell-dreaded-bradford-pear.htm See omnystudio.com/listener for privacy information.

Feb 01, 20247 min

How Does Burns Night Work?

To celebrate the anniversary of poet Robert Burns' birth on January 25, 1759, Scottish people all over the world observe Burns Night each year. Learn about the verse, the bagpipes, and of course the haggis in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/holidays-other/get-out-haggis-its-burns-night.htm See omnystudio.com/listener for privacy information.

Jan 25, 20247 min

How Do White Dwarf Stars Shred Planets?

White dwarfs have almost all the mass of a normal star squished into a ball the size of our Earth -- and that comes with a lot of gravitational power. Learn how they can tear planets to shreds in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/white-dwarfs-shred-planets.htm See omnystudio.com/listener for privacy information.

Jan 24, 20247 min

How Do Axolotls Work?

These adorable aquatic salamanders are voracious hunters -- and have myth-like powers of regeneration. Learn more about the axolotl in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/endangered-species/axolotl.htm See omnystudio.com/listener for privacy information.

Jan 23, 202410 min

BrainStuff Classics: Why Are Stop Signs Red?

Stop signs were always the red octagons we know today -- so how was the color chosen, and why has it stuck? Learn about the history and psychology of red traffic signals in this classic episode of BrainStuff. See omnystudio.com/listener for privacy information.

Jan 22, 20245 min

BrainStuff Classics: Why Do We Test Middle Schoolers' Fitness?

From the outdated Presidential Fitness Test to today's FITNESSGRAM, Americans have been giving standardized fitness tests to middle school kids for decades. Learn the past and present of these exams in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/diet-fitness/exercise/could-pass-kids-middle-school-fitness-test.htm See omnystudio.com/listener for privacy information.

Jan 21, 20246 min

Are Burner Phones Really Anonymous?

Buying a cheap phone containing prepaid minutes and texts with cash can help you preserve anonymity in some ways, but companies and governments still have ways of listening in. Learn more in this episode of BrainStuff, based on this article: https://electronics.howstuffworks.com/burner-phones.htm See omnystudio.com/listener for privacy information.

Jan 20, 20247 min
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