
BrainStuff
2,726 episodes — Page 22 of 55

Why Is There a Pooping Figure in Catalonian Nativity Sets?
In a traditional Nativity scene in Catalonia, you're likely to find a figure of 'el caganer' -- a person squatting with a pile of poop. Learn how this sometimes cheeky tradition may have gotten started in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Do Obelisks Work?
In many cities, the most ancient monuments are obelisks taken from Egypt. Learn more about why and how these architectural masterpieces were constructed (and moved) in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What Was the Biggest Nuclear Weapon Ever Built?
The Soviet Union's Tsar Bomba, tested in 1961, was thousands of times more powerful than even the large nuclear weapons of its time. Learn more about this bomb and why such large designs were abandoned in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: What Was the Christmas Truce?
During one Christmas in WWI, enemy soldiers called an unofficial ceasefire and even shared holiday treats with each other. Learn the story behind this small miracle from the Great War in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: Can Bats Jam Each Other's Sonar?
Bats use sonar to find food in the dark -- but they've got a lot of competition from other bats. Learn about echolocation and how bats go on the offensive in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What Is the Great Conjunction?
Once every 20 years, Saturn and Jupiter appear very close together in the sky from Earth's point of view, but this year they're closer than they've been in 800 years. Learn more about this astonomical event in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Did Manischewitz Become the Biggest Name in Kosher Wine?
The Manischewitz Company produces all kinds of kosher foods, but is most famous for its sweet, inexpensive wines. Learn how the company got started in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Did Galileo Become the First Superstar Scientist?
Galileo Galilei is famous today for defying the Catholic Church in the 1600s with his (correct) astronomical hypotheses. Learn more about his work and how he became famous in his own time in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Does the Larynx Work?
The larynx contains the voice box or vocal cords, and it's one of the organs that helps humans speak. Learn more about it in this episode of BrainStuff Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What Are Wine Diamonds?
If you've ever seen crystals at the bottom of a wine bottle, glass, or cork, don't worry -- they're considered a sign of quality. Learn what so-called wine diamonds are and how they form in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: Did the Genes for Light Skin Colors Evolve in Europe?
A widescale genetic survey has shown that despite common misconceptions, race really is only skin deep. Learn more in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: What Can a Cache of Pterosaur Eggs Teach Us?
A huge cache of ancient pterosaur eggs has been unearthed in China. Learn what this find can tell us about these flying contemporaries of dinosaurs in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Did the Truman Doctrine Change U.S. Foreign Policy?
After World War II, what came to be known as the Truman Doctrine pulled the U.S. out of its previously isolationist stance and into global relationships that endure today. Learn more about it in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Deadly Are Black Widow Spiders?
The venom of black widow spiders can indeed be deadly, but they almost always avoid attacking -- and they don't often eat each other, either. Learn more about these arachnids in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Did the Lazy Susan Get Its Name?
This simple spinning device helps keep object at hand on tabletops and in tight cabinets -- but why is it called a lazy susan? Learn a few of the hypotheses in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What Is the Immigrant Paradox?
Immigrants to the United States tend to have better physical and mental health outcomes than people who were born here. Learn about assimilation, acculturation, and collectivism in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Does Pimento Cheese Work?
This cheese-and-sweet-pepper spread is a Southern staple, but it was actually developed in New York. Learn about the history and popularity of pimento cheese in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: Could Some Microbes Live on Air Alone?
Researchers have found Antarctic microbes that appear to get all the nutrients they need from thin air. Could this change our search for extraterrestrial life? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: Why Are Teens Cyberbullying Themselves?
A new study indicates that some teens bully themselves online, posting hateful messages from fake or anonymous accounts. Researchers are looking into why, and how to help. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Could COVID-19 Vaccines Change the World?
Obviously, vaccines for the coronavirus that's causing this pandemic would help life get back to normal -- but their development is also set to improve the way we make all vaccines. Learn more in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Why Do Kangaroos Hop?
Kangaroos put an enormous amount of power into every hop -- and conserve energy in the process. Learn how they do it in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What Is the McRib Made Of?
McDonald's McRib sandwich has a cult following -- but what's it actually made of? Learn about the history and composition of the McRib in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Why Is It So Hard to Remember What Day It Is?
If you get the days of the week mixed up, you're not alone. Learn about the psychology of Tuesday in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What's the White Stuff in Soil Mixes?
Potting soil often contains perlite, which is a type of volcanic rock that helps keep soil light and airy. Learn how it works in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: Could You Outrun a Volcano?
Outrunning a volcanic eruption, like many things that look easy in movies or sound simple in theory, is more complicated in reality. Learn why you shouldn't attempt this feat in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: How Long Have We Been Keeping Dogs on Leashes?
A new(ish) find of very old artwork depicts dogs wearing leashes. Learn more about our history with man’s best friend in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Did the Native American Great Law of Peace Inspire the U.S. Constitution?
The writers of the U.S. Constitution were, in part, influenced by the confederation of Native American nations called the Haudenosaunee (or the Iroquois). Learn about the Haudenosaunee Great Law in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Where Did Pumpkin Pie Come From?
Sure it's tasty, but how exactly did spiced squash in a pie crust become part of American holiday celebrations? Learn about the history of pumpkin pie in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What's Really in the Flu Vaccine?
There are lots of rumors about potentially harmful ingredients in vaccines, but once you understand what those ingredients are and how little are used in vaccines, it's easy to see why vaccines are safe. Learn more in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Does the Maillard Reaction Make Food Tastier?
The Maillard reaction gives foods from toast to coffee to seared steak some of their flavors. Learn how it works in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Who's the Only Woman to Receive a Medal of Honor?
After the Civil War, surgeon Mary Edwards Walker was awarded the Medal of Honor for her service. Learn her story in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: Is There Another Reason You Shouldn't Eat Raw Cookie Dough?
Research has revealed another danger lurking in uncooked dough: Tenacious E. coli can survive in dry flour. Learn how scientists figured it out in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: Why Do We Find Symmetry So Pleasing?
What is it about the arrangement of petals on a flower or a perfectly symmetrical display of soup cans that catches our eye? Learn how our brains seem wired for it in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Has 'A Wrinkle in Time' Inspired Real Scientists?
The story 'A Wrinkle in Time' by Madeline L'Engle has been inspiring young scientists for generations. We spoke with three for this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Why Is It So Difficult to Overturn a Guilty Verdict?
Sometimes innocent people wind up in prison, and even if genetic evidence comes to light, it can still take years (and a lot of money) to secure their freedom. Learn how the Innocence Project helps in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Should We All Be in the Same Time Zone?
Time zones sometimes seem to cause more confusion than they fix. Learn how they came about -- and why some researchers want to get rid of them -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Why Would We Need Artificial Gravity in Space?
Long-term space missions would need to figure out a way to create artificial gravity for their astronauts. Learn why -- and how it may be possible -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What Are the Differences Between COVID-19 and the Flu?
Symptoms of influenza and the novel coronavirus are fairly similar, but there are a few key differences you should look for -- and each should be treated a little differently. Learn more in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: Is There a Real Witches' Curse in 'Macbeth'?
You may have heard that Shakespeare's tragedy "Macbeth" is cursed. Learn how this superstition came about in today's classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: Why Can't Some People Sleep Without a Fan?
Some people find it impossible to sleep without background noise, like a fan whirring. Researchers have identified the possible culprit. Learn how it works in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Why Did Bootleggers Once Smuggle Margarine?
Due in large part to pressure from the diary industry, margarine was once outlawed in Canada and parts of the United States. Learn more about the Oleo Wars in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What Is the World's Longest-Living Vertebrate?
Spoiler alert: There are Greenland sharks alive today that were likely born in the 1600s. Learn more about these fascinating sharks in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Does the Nitrogen Cycle Work?
Living things need nitrogen in order for our cells to function, and there's plenty in the air, but it's impossible for most of us to access. Learn how the nitrogen cycle brings it to us in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Big Was Giganatosaurus?
Giganatosaurus is one of the largest carnivorous dinosaurs that ever lived, rivaling the mighty Tyrannosaurus rex. Learn more about these dinos in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What's the Difference Between Gold and Pyrite?
Pyrite is often called fool's gold, but it's easy to tell the two apart if you know what to look for. Learn more about these two minerals in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: Do We Need to Redefine the Four Seasons?
As climate change affects the planet's weather patterns, some parts of the world will see the seasons bleed together. Tune in to learn how we define the seasons now, and how some researchers think that should change. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

BrainStuff Classics: Are Other Animals Superstitious?
Humans have all kinds of superstitious beliefs -- so are other animals superstitious, too? Learn more about superstition works in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Is 1968's Poor People's Campaign Reviving Today?
In the 1960s, civil rights leaders organized the Poor People's Campaign to bring awareness and change to economic injustices in the United States. Learn how it began and how it's being revived today in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Do Cats and Dogs Perceive Time?
Cats and dogs know their humans' schedules, but do they really have a sense of time similar to ours? Learn about how non-human animals perceive time in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

When Is Paranoia Normal, and When Is It a Problem?
Many people experience paranoid feelings sometimes, but more rarely, those feelings can seem to take over a person's life. Learn about what paranoia is and how it's treated in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.