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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.

Episodes

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.htm See omnystudio.com/listener for privacy information.

May 22, 20256 min

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.htm See omnystudio.com/listener for privacy information.

May 21, 20257 min

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.htm See omnystudio.com/listener for privacy information.

May 20, 202513 min

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.htm See omnystudio.com/listener for privacy information.

May 19, 20259 min

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.htm See omnystudio.com/listener for privacy information.

May 11, 20257 min

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.htm See omnystudio.com/listener for privacy information.

May 10, 20255 min

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.htm See omnystudio.com/listener for privacy information.

May 09, 20259 min

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.htm See omnystudio.com/listener for privacy information.

May 08, 202511 min

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.htm See omnystudio.com/listener for privacy information.

May 06, 202512 min

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.htm See omnystudio.com/listener for privacy information.

May 05, 20255 min

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.htm See omnystudio.com/listener for privacy information.

Apr 20, 20256 min

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.htm See omnystudio.com/listener for privacy information.

Apr 19, 20256 min

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.htm See omnystudio.com/listener for privacy information.

Apr 18, 20257 min

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.htm See omnystudio.com/listener for privacy information.

Apr 17, 20257 min

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.htm See omnystudio.com/listener for privacy information.

Apr 16, 20255 min

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.htm See omnystudio.com/listener for privacy information.

Apr 15, 202512 min

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.htm See omnystudio.com/listener for privacy information.

Apr 14, 20257 min

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.

Mar 26, 20254 min

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.htm See omnystudio.com/listener for privacy information.

Mar 24, 20257 min

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.htm See omnystudio.com/listener for privacy information.

Mar 23, 20257 min

How Does Saliva Work?

Saliva is something you probably (hopefully?) don't think about too much, but it helps you speak, eat, taste, and even digest. Learn about the wonders of spit in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/digestive/saliva-change-food.htm See omnystudio.com/listener for privacy information.

Mar 22, 20258 min

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.htm See omnystudio.com/listener for privacy information.

Mar 21, 202513 min

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.htm See omnystudio.com/listener for privacy information.

Mar 20, 20258 min

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.htm See omnystudio.com/listener for privacy information.

Feb 26, 20256 min

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.htm See omnystudio.com/listener for privacy information.

Feb 25, 20256 min

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.

Feb 15, 20256 min

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.htm See omnystudio.com/listener for privacy information.

Feb 14, 20254 min

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.htm See omnystudio.com/listener for privacy information.

Feb 13, 202512 min
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