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BrainStuff

BrainStuff

2,648 episodes — Page 23 of 53

Why Does Fertilizer Sometimes Explode?

We usually think of fertilizer as being a good thing -- so how can it cause so much destruction? Learn why ammonium nitrate can cause deadly explosions in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 17, 20205 min

BrainStuff Classics: Can Getting a Doctorate Affect Your Mental Health?

Research shows that doctoral programs can incite some serious problems. Learn how getting a Ph.D. affects mental health in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 16, 20204 min

BrainStuff Classics: Why Is a Brain-Shaped Blob In Canada?

The magnificent bryozoan is a colonial organism that usually lives in warm ponds and lakes east of the Mississippi River. Learn what it's doing in western Canada in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 15, 20204 min

How Can Hair Be Tougher than Razor Blades?

Hair is much softer than steel. So how can shaving cause a razor blade to dull? Learn how a few researchers figured out the answer -- and how they may provide a solution -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 14, 20203 min

What Family Has Won the Most Nobel Prizes?

Spoiler alert: Marie and Pierre Curie started the family that has won more Nobel prizes than any other in history. Learn the Curie family's story in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 13, 20209 min

Who Owns the Rights to Dinosaur Fossils?

In some countries, important fossils are considered shared cultural heritage and can't be privately owned; in others, private sellers can make millions off dino fossils at auction. Learn more about owning dinosaur remains in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 12, 20207 min

Why Does the White House Have a Rose Garden?

The White House's Rose Garden is a presidential sanctuary and event space for gatherings big and small -- but how did it get started? Learn about the history of the Rose Garden in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 11, 20206 min

What Are Daddy Longlegs, Anyway?

There's an urban myth that daddy longlegs are the world's most venomous spiders, but most creatures by this name are neither venomous nor spiders. Learn more about daddy longlegs in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 10, 20205 min

BrainStuff Classics: What Do Hurricane Categories Mean?

Hurricanes are the strongest storms on the planet, but there's a big difference between a Category 1 and a Category 5 (and all the storms in between). Learn more about how we classify hurricanes in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 9, 20204 min

BrainStuff Classics: How Did Plesiosaurs Swim So Efficiently?

Ancient Plesiosaurs moved through the water unlike any other animal since. Learn what recent research found about them in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 8, 20204 min

How Did the Saltwater Underground Railroad Work?

In America, most of the Underground Railroad moved enslaved people north to freedom -- but Florida's Saltwater Underground Railroad moved people south, to the Bahamas. Learn how it worked in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 7, 20205 min

Are You Putting on Enough Sunscreen?

We all know sunscreen can help save our skin, but new research indicates that most of us aren't using it correctly. Learn how to get the most out of your UV protection in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 6, 20206 min

Where Should You Go on a Science Road Trip?

There are adventures to be had everywhere, but we've picked a few of our favorite science-themed road trip destinations to spark your curiosity. Learn about beautiful places to explore fossils, geology, and rocket science in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 5, 20205 min

How Do Tanuki Work?

Tanuki are East Asian animals that look like a dog with the face of a raccoon. Learn about their behavior and the myths surrounding them in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 5, 20207 min

How Will NASA's Perseverance Rover Search for Ancient Life on Mars?

A new rover is on its way to Mars to search for signs of ancient life. Learn about the Perseverance and its mission (including testing the Ingenuity robotic helicopter) in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 3, 20206 min

BrainStuff Classics: Why Do Balloons Stick To Our Hair?

Recent research has deepened our understanding of balloons' hair-raising effect. Learn more in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 2, 20204 min

BrainStuff Classics: What's the Best Way To Park?

Do people who back their cars into parking spaces slow down the flow, or are they the smartest in the lot? Learn what science has to say about it in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 1, 20203 min

How Does Planet Mercury Work?

Mercury is the closest planet to the Sun, but it's often also the closest planet to Earth. Learn why -- and lots of other strange-but-true facts about Mercury -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 31, 20208 min

Why Is There a Coin Shortage in America?

During the COVID-19 pandemic, the United States has been experiencing a shortage of coins in circulation. Learn why -- and what may help fix it -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 30, 20204 min

How Long Can Andean Condors Fly Without Flapping Their WIngs?

Andean condors are seriously fuel efficient -- they only flap their wings for one percent of their total time in the air! Learn more about these amazing birds in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 29, 20203 min

What's the Difference Between Ethyl and Isopropyl Alcohol?

These two alcohols can both be used to make hand sanitizer, but only ethyl alcohol is drinkable. Learn how ethanol and isopropanol differ in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 28, 20204 min

How Is Frederick Douglass the Father of the Civil Rights Movement?

Frederick Douglass's skills as a writer an orator made him a face of the abolitionist movement and went on to help inform and inspire the Civil Rights movement. Learn more about Douglass in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 27, 20206 min

BrainStuff Classics: Which Computer Keys Wear Out First?

As casual computer use shifts to touchscreens, the wear patterns on computer keyboards have evolved. Learn what keys now wear out first in this classic episode of BrainStuff Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 26, 20204 min

BrainStuff Classics: How Do Researchers Preserve Smells?

Scents affect how we experience different cultures and places, which means they have historical value. Learn how researchers are setting about preserving them in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 25, 20204 min

How Did Ankylosaurus Work?

This genus of plant-eating dinosaurs had awesomely heavy armor, might've had a great sense of smell, and some had a serious defensive weapon in their tail. Learn more about ankylosaurs in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 24, 20205 min

Why Is 'Mayday' the International Distress Call?

Prior to flight becoming common, 'SOS' was the standard distress call. Learn how the code 'mayday' was invented in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 23, 20203 min

How Do Homeless Americans Vote?

Not having a permanent address or access to identifying documents can make voting in U.S. elections nearly impossible. Learn more about these challenges -- and what some organizations are doing to help -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 22, 20205 min

Why Don't We Know Much About Druids?

The surviving records about who Druids were and what they did aren't considered reliable. Learn what we know and don't know about Druids in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 21, 20205 min

How Big Does a Meteoroid Have to Be to Make It to the Ground?

Meteors can put on a spectacular show, but many of the pieces of debris that cause them are the size of pebbles -- or dust. Learn more about meteorites in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 20, 20204 min

BrainStuff Classics: How Fast Can Lizards Evolve?

Over the course of one frigid winter, green anole lizards in Texas changed their genetic makeup to better tolerate cold. Learn about this example of super-quick vertebrate evolution in today's classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 19, 20204 min

BrainStuff Classics: Are There Months When You Shouldn't Eat Raw Oysters?

Folk wisdom dictates that you should avoid eating oysters, especially raw, in months that don't contain the letter R in their name. Learn why there's some logic there in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 18, 20204 min

Why Is There a Parthenon in Nashville?

In 1897, a plaster replica of the Parthenon built in Nashville for the Tennessee Centennial Exposition proved so popular that it was rebuilt in a more permanent form. Learn more about Nashville's Parthenon in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 17, 20203 min

Could Science Build a Better Grain?

Staple grains, like wheat and rice, can wear out the soil — and most have to be replanted from seed each year. Learn how researchers are seeking to create new varieties (like Kernza) to save the environment in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 16, 20206 min

Where Did the Phrase 'Grandfathered In' Come From?

Although the term 'grandfathered in' is applied in many situations today, it originally referred to laws about voting rights. Learn the history of this phrase in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 15, 20204 min

How Do Betta Fish Work?

Betta fish are popular aquarium pets, but there are a few common misconceptions about these beautiful critters. Learn how these 'fighting fish' can be peaceful and more in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 15, 20206 min

Who Were the Wild West's 'Petticoat Rulers'?

In 1920, before many women in the U.S. could even vote, a frontier town in Wyoming elected an all-women ticket into office. Learn about the Petticoat Rulers in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 15, 20205 min

BrainStuff Classics: How Did 'Fido' Become a Generic Name for Dogs?

We humans have lots of nicknames for dogs -- but how did 'Fido' become one of them? Learn about the history of the term in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 12, 20204 min

BrainStuff Classics: Why Do Goldfish Make Their Own Alcohol?

Goldfish can survive in icy lakes and your poorly cleaned aquarium in part because they make their own alcohol. Learn more about how goldfish work in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 11, 20204 min

How Did the Harlem Renaissance Work?

The Harlem Renaissance was a period of great social, intellectual, and artistic invention that deeply impacts our world to this day. Learn how it got started and why it was so important in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 10, 20207 min

How Much of Our Food Do Moths Pollinate?

Moths pollinate more of our food than researchers previously realized. Learn more about insect pollination in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 9, 20205 min

Do Rainy Days Make Us Sad?

Popular music and video often use rain as a metaphor for melancholy, but does rainy weather really affect our mood? Learn about the psychology (or lack thereof) behind the rainy-day blues in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 8, 20205 min

What Was the Biggest Snake on Earth?

The Titanoboa cerrejonensis was a massive snake related to modern boas -- but it might've grown to 47 feet (14 meters) in length. Learn about this extinct South American serpent in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 7, 20207 min

Why Is There a Crack in the Liberty Bell?

The massive, historic Liberty Bell wasn't always cracked, and wasn't always named that. Learn what history knows (and doesn't know) about the Liberty Bell in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 6, 20207 min

BrainStuff Classics: How Did the Grandfather Clock Get Its Name?

What we now call grandfather clocks were around for a long time before they got that name. Learn how a pop song renamed them -- and a few legends that may have inspired the song -- in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 5, 20204 min

BrainStuff Classics: Why Did the T. Rex Have Such Tiny Arms?

The Tyrannosaurus rex was a giant predator, but its arms weren't much bigger than a human being's. Learn a few hypotheses about T. rex's arms in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 4, 20204 min

Will the Fires That Made Centralia a Ghost Town Ever Go Out?

Coal fires have burned beneath this Pennsylvania town for decades, driving away inhabitants with continual smoke, ash, and cave-ins. Learn how coal-seam fires work in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 3, 20207 min

Why Is Real Vanilla So Expensive?

Real vanilla is much more expensive than synthetic vanilla. Learn about the delicate orchid that vanilla comes from and why most vanilla flavoring is synthetic in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 2, 20206 min

Why Isn't Washington, D.C. a State?

A new bill aims to make Washington, D.C. the U.S.'s 51st state -- but why wasn't it created as a state to begin with, and why have similar bills failed in the past? Learn the history of the District of Columbia in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 1, 202010 min

Why Does the Hellbender Salamander Need Our Help?

The hellbender salamander isn't nearly as scary as it sounds. Learn why they're mostly harmless -- and some of their populations are in danger -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jun 30, 20204 min

How Does the 'Streisand Effect' Make Cover-ups Go Viral?

The 'Streisand Effect' is when some powerful entity tries to repress information, but winds up publicizing it instead. Learn the history of the term and how the effect works in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jun 29, 20208 min