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Science

BrainStuff

HowStuffWorks

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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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Should You Be Squatting More?

05:51 | Feb 19th

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 episode of BrainSt...Show More
Do Modern Cars Still Need Tuneups?

04:41 | Apr 15th

Regular tuneups can keep some car engines running safely and smoothly, but the engines of most modern cars don't need them. Learn how car maintenance has changed in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.c...Show More
How Did Fish & Chips Become England's National Dish?

07:38 | Aug 21st

Light and tender fried fish plated with crisp fried potatoes is a classic English comfort meal, but it's only a little over a century old. Learn the history of fish and chips in this episode of BrainStuff. Learn more about your ad-choices at https://...Show More
Why Is the Ocean Different Colors?

06:09 | Aug 20th

Ocean water can appear many dazzling shades of blue and green depending on where you are. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Do Starling Murmurations Work?

08:40 | Aug 19th

Starlings flock in swooping, harmonious groups of thousands of birds called murmurations. Learn how these birds pull off such an amazing feat through simple actions in this episode of BrainStuff. Learn more about your ad-choices at https://news.ihear...Show More
Is Sparkling Water Good For You?

05:26 | Aug 16th

More people are drinking fizzy water, both plain and in a boggling array of flavors. Learn about the different types of sparkling water and what you should watch out for in this episode of BrainStuff. Learn more about your ad-choices at https://news....Show More
Why Is There a Rhino-Shaped Cave in Washington State?

06:28 | Aug 15th

Yes, there’s a cave shaped like a rhinoceros in Washington State. Learn how it was created and discovered in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Many Trees Would We Need to Plant to Slow Climate Change?

07:50 | Aug 14th

Trees pull and store carbon, but lots of land that could support them is deforested. Learn how researchers think planting trees could help mitigate climate change in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart....Show More
Why Aren’t There Female CPR Mannequins?

06:02 | Aug 13th

Research shows that women are less likely to receive CPR when they need it, and fixing that might require introducing training mannequins with breasts. Learn about a project that’s trying to help in this episode of BrainStuff. Learn more about your a...Show More
Do Beaches Need Seashells?

06:35 | Aug 12th

Seashells are a pretty sight on beaches, but it turns out that they play an important role in seaside structures and ecosystems. Learn why -- and why shell poaching is a problem -- in this episode of BrainStuff. Learn more about your ad-choices at ht...Show More
Introducing: Parklandia

02:21 | Aug 10th

A married couple packed up everything from their home in Chicago and bought an RV to travel the country full-time, with one goal: to visit as many national parks as possible along the way. With each stop in each park, Brad and Matt Kirouac immerse th...Show More
What's the History of Paternity Testing?

07:34 | Aug 9th

Humans have only very recently developed scientific ways of proving who a child's biological father is, but that didn't stop us from trying beforehand. Learn the weird history of paternity tests in this episode of BrainStuff. Learn more about your ad...Show More
How Do Blue Whales Work?

09:05 | Aug 8th

The blue whale is the largest known animal to ever grace the planet -- they may be twice as big as Megalodon was! Learn what science knows (and doesn't know) about blue whales in this episode of BrainStuff. Learn more about your ad-choices at https:/...Show More
What Is Peyote?

07:22 | Aug 7th

In brief, peyote is a cactus with hallucinogenic properties that's been used in religious ceremonies for centuries. Learn how it works and why it's endangered in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.c...Show More
Why Does America Use Fahrenheit Instead of Celsius?

06:44 | Aug 6th

Most of the rest of the world uses the Celsius scale to describe temperature, but the U.S. uses Fahrenheit. Learn the origins and histories of these two scales in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart....Show More
How Are Ethnicity and Race Different?

10:00 | Aug 5th

The concepts of ethnicity and race are both human inventions with no basis in science, but these concepts have huge impacts on us and our world. Learn the difference between ethnicity and race in this episode of BrainStuff. Learn more about your ad-c...Show More
What Is the Baader-Meinhof Phenomenon?

04:14 | Aug 2nd

Also called the frequency illusion or recency illusion, the Baader-Meinhof phenomenon occurs when you learn something new, then notice instances of it everywhere. Learn how it works and how it got its name in this episode of BrainStuff. Learn more ab...Show More
Could Frozen Zoo DNA Stave Off Species' Extinction?

05:24 | Aug 1st

As human civilization encroaches on wild animals' habitats, some face extinction. Learn how researchers hope to someday use frozen DNA sample taken from zoo animals to replenish wild populations in this episode of BrainStuff. Learn more about your ad...Show More
How Does the Hippocampus Work?

07:37 | Jul 31st

Without the hippocampus, our brains have serious trouble recalling and recording certain types of long-term memories. Learn how this brain structure works in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/p...Show More
Is Permafrost Really Permanent?

07:40 | Jul 30th

Despite its name, permafrost doesn't necessarily last forever -- and when it melts, it can have a negative effect on the environment. Learn how permafrost works (and how it preserves long-dead creatures so well) in this episode of BrainStuff. Learn m...Show More
What's the Difference Between Coroners and Medical Examiners?

07:12 | Jul 30th

These two types of professional death investigators often work together, but their jobs are usually distinct. Learn the difference in this episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Do Animals Get Their Scientific Names?

06:21 | Jul 26th

The person who discovers a new species gets to name it -- but what do 'new' and 'discover' mean here? And do all names get approved? Learn how scientific naming and taxonomy work in this episode of BrainStuff (plus, meet a fish named after Greedo). L...Show More
Should You Rent Grass-Mowing Goats?

04:26 | Jul 25th

Goats were the original weed wackers, and they're still super effective at controlling lawns and brush today. Learn why they're gaining popularity again in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcas...Show More
How Will Exploring Saturn's Moon Titan Be Different?

06:44 | Jul 24th

NASA recently announced that they're sending a rotorcraft to explore Saturn's giant moon Titan from the land and air. Learn how the Dragonfly mission will be different than other otherworldly explorations in this episode of BrainStuff. Learn more abo...Show More
Does the Military Teach a Sleep Meditation Technique?

05:35 | Jul 23rd

According to the guy who popularized a famous meditation technique for getting to sleep fast, the results are excellent. Learn its history and how it works in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/pod...Show More
How Do Food Forests Help Fight Hunger?

05:22 | Jul 23rd

Food forests are free, edible community gardens that make the most of the land by following nature's lead on design. Learn how they work and how they may help end food deserts in this episode of BrainStuff. Learn more about your ad-choices at https:/...Show More
How Do Birds Sing?

04:42 | Jul 19th

Birds are the only creature in the world that have the specially evolved organ called the syrinx, and it's what lets them sing. Learn how it works in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-adve...Show More
How Do Tidal Bores Work?

06:31 | Jul 18th

Tidal bores are huge, fast waves that travel the wrong way up rivers, and they only form during very specific circumstances. Learn how they work in this episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/podcast-adver...Show More
How Could Hypersonic Missiles Work?

06:55 | Jul 17th

There's a new global arms race: to build missiles that could travel at hypersonic speeds. Learn where the technology stands and what it might be capable of in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/pod...Show More
How Health-Helpful Is Turmeric?

05:42 | Jul 16th

Adding turmeric to recipes and taking supplements with it (or its active ingredient, curcumin) has become a global trend. Learn what science has to say about turmeric's medicinal properties in this episode of BrainStuff. Learn more about your ad-choi...Show More
How Do We Find Asteroids Inside Earth's Orbit?

05:25 | Jul 15th

Although researchers think we've found most large asteroids whose orbits bring them near Earth, some are still surprising us. Learn why -- and how we find them -- in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart....Show More
Can You Live Without a Working Amygdala?

07:29 | Jul 12th

The amygdala is a part of the brain that handles fear -- so would having one that doesn't fully function be a good thing or a bad thing? Learn about how fear hurts and helps us in this episode of BrainStuff. Learn more about your ad-choices at https:...Show More
What Is the Tomb of the Unknown Soldier?

07:44 | Jul 11th

American soldiers have stood guard over the Tomb of the Unknown Soldier every minute of every day since July 2, 1937. Learn what this monument means and who's interred there in this episode of BrainStuff. Learn more about your ad-choices at https://n...Show More
Who Was History's Most Successful Pirate?

07:11 | Jul 10th

In the early 1800s, a woman known as Mrs. Cheng or Ching Shih commanded the world's largest-ever pirate crew -- and she managed to retire and live a long, peaceful life. Learn about Mrs. Cheng's pirate empire in this episode of BrainStuff.  Learn mor...Show More
Is Raw Milk Better Than Pasteurized Milk?

08:12 | Jul 9th

Proponents of raw milk (that is, milk that isn't pasteurized or homogenized) say it's healthier and tastes better, but the U.S. government still classifies raw milk as potentially hazardous. Learn both sides of the issue in this episode of BrainStuff...Show More
Why Do Cats Chase Laser Pointers?

06:08 | Jul 9th

Something about the bright dot of a laser pointer is irresistible to many cats -- but why? And does this kind of play provide good entertainment for cats? Learn about lasers and the benefits of play for cats in this episode of BrainStuff. Learn more ...Show More
How Do Spaghetti Plots Help Predict Storms?

05:49 | Jul 5th

There are as many ways to attempt to predict a storm's behavior, and none are perfect. Spaghetti plots help researchers visualize the probabilities of different predictions. Learn how they work in this episode of BrainStuff.  Learn more about your ad...Show More
Who Was Alan Turing, and What's the Turing Test?

08:59 | Jul 4th

Alan Turing was the brilliant mathematician who designed a legendary test of artificial intelligence before computers as we know them even existed. Learn about his life and legacy in this episode of BrainStuff. Learn more about your ad-choices at htt...Show More
Is Canned Food Really Worse Than Fresh or Frozen?

08:38 | Jul 3rd

Canning foods preserves them, but the texture and nutritive value can suffer -- and what about the potential dangers of BPA and botulism? Learn what's true and what's myth when it comes to canned food in this episode of BrainStuff. Learn more about y...Show More
Could the Electoral College Become Obsolete?

09:07 | Jul 2nd

U.S. presidents are voted into office by the electoral college, made up of representatives from each state. Learn how changing the way electors choose a candidate – from the state’s popular vote winner to the national popular vote winner – could chan...Show More
How (And Why) Do Chameleons Change Color?

05:41 | Jul 2nd

Chameleons don't change color to blend it -- they change to stand out. Learn how they create those colorful patterns in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Can You Lactate from Areas Outside Your Breasts?

04:21 | Jun 28th

Short answer: Yes. Ectopic lactation can occur when mammary tissue grows in different areas of your body. Learn how it works in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Why Doesn't Alcohol Have Nutrition Labels?

04:50 | Jun 27th

Alcohol contains calories and ingredients like any other beverage, but only rarely does its packaging list those ingredients and nutrition facts. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/pod...Show More
How Did Alchemy Create Chemistry?

07:28 | Jun 26th

Alchemists may have never turned lead into gold, but they did create the field of chemistry. Learn how the study of alchemy worked in this episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Has the Korean War Changed History?

10:18 | Jun 25th

The Korean War began 70 years ago today, and remains unresolved. Learn how this war shaped the future of the powers involved in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Where's the Line Between Cultural Appropriation and Appreciation?

07:26 | Jun 24th

The line between appreciating and appropriating someone else's cultural products can be a blurry one. Learn how respect and research can go a long way in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-...Show More
How Does the U.S. Presidential Motorcade Work?

07:21 | Jun 21st

The American president's motorcade includes multiple armored vehicles driving in a virtual ballet to ensure its passengers' safety. Learn what goes into creating the presidential motorcade in this episode of BrainStuff. Learn more about your ad-choic...Show More
How Do Isotopes Work?

07:59 | Jun 20th

Isotopes are variations on the same chemical element that have different numbers of neutrons. Learn how these variants can behave differently -- and why chemists, physicists, and paleontologists are all interested in them -- in this episode of BrainS...Show More
How Was André the Giant Larger than Life?

06:11 | Jun 19th

Professional wrestler and actor André the Giant had a reputation for kindness that outgrew his impressive stature. Learn about André Roussimoff's life and legacy in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.c...Show More
Why Are Camel Spiders Harmless?

06:07 | Jun 18th

Camel spiders have a fearsome reputation, but despite being large and fast, they're not a threat to humans. (Or camels. They're also technically not spiders.) Learn more about these fascinating creatures in this episode of BrainStuff. Learn more abou...Show More
What Happens If You Ignore a Subpoena?

07:03 | Jun 17th

Subpoenas are orders that help courts and Congress obtain information necessary to cases and investigations -- and they're legally binding. So can you really ignore one? Learn what could happen if you do in this episode of BrainStuff. Learn more abou...Show More
Can the Same Animal Evolve Twice?

07:40 | Jun 14th

Remote islands are excellent laboratories for observing evolution at work -- and in the case of a flightless bird called the Aldabra rail, we can observe how its evolution happened twice. Learn about iterative evolution in this episode of BrainStuff....Show More
What Is a Swedish Death Clean?

06:40 | Jun 13th

We humans tend to accumulate a lot of stuff -- to the point that it's a burden on our mental health. Learn about a method for lightening your life (and removing a future burden on your loved ones) in this episode of BrainStuff. Learn more about your ...Show More
What Is an Oligarchy (and Are We One)?

07:28 | Jun 12th

An oligarchy is a society ruled by a few wealthy, powerful people – the media has applied the term to countries from Saudi Arabia to Brazil to the United States. Learn about oligarchies and whether the U.S. has become one in this episode of BrainStuf...Show More
What Are Honey Badgers Really Like?

06:23 | Jun 11th

The honey badger is internet famous, but it’s actually a fairly mysterious creature. Learn what we know (and don’t know) about honey badgers in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertiser...Show More
How Does NASA Schedule Space Launches?

07:09 | Jun 10th

To launch a spacecraft successfully, the stars (and moon, and planets) must literally align. Learn about all the factors that are taken into account to schedule a space launch in this episode of BrainStuff. Learn more about your ad-choices at https:/...Show More
Why Should You Bring Ear Plugs to Music Festivals?

05:53 | Jun 7th

Of all the accessories you might think of bringing to a music festival, ear plugs might not be high on your list. Learn why they should be -- and how else you can prevent hearing damage -- in this episode of BrainStuff. Learn more about your ad-choic...Show More
Could the Great Depression Happen Again?

09:35 | Jun 6th

There were many factors that led to the depth and length of the Great Depression, but some of these mistakes are being repeated today. Learn what historians and economists are saying we should watch out for in this episode of BrainStuff. Learn more a...Show More
How Did Clickers Save Lives on D-Day?

05:04 | Jun 5th

Tiny, handheld boxes that make a sharp clicking noise saved countless American lives during the confusion of D-Day in WWII. Learn how they were used and what to do if you have one in this episode of BrainStuff. Learn more about your ad-choices at htt...Show More
Do Dogs Experience Puberty Like We Do?

04:29 | Jun 4th

Dogs do indeed go through emotional changes and gain independence during puberty -- it just happens within the first couple years of their life. Learn how you can help your 'teen' pup grow up in this episode of BrainStuff. Learn more about your ad-ch...Show More
Could Earthly Lava Structures Help Us Colonize Space?

06:46 | Jun 4th

Tunnels made from lava flows in Hawaii and Iceland are being studied by researchers in fields from geology to astrobiology. Learn how these lava tubes could help us explore space and even find extraterrestrial life in this episode of BrainStuff. Lear...Show More
How Bad Is Prison Food?

07:04 | May 31st

Serving inmates low-quality food is cheap in the short term, but it can lead all kinds of health problems that prisons (and taxpayers) pay for in the long run. Learn how cheap American prison food is and why that's a problem in this episode of BrainS...Show More
Why Did Victorians Collect Hair?

06:32 | May 30th

In the mid-1800s, many people saved loved ones' hair -- but the collection of Peter A. Browne went much, much further than that. Learn why he thought it had scientific merit -- and why it actually does today -- in this episode of BrainStuff. Learn mo...Show More
Should You Be Afraid of Wolf Spiders?

05:36 | May 29th

Short answer: Nope! Although wolf spiders may sound (and look) fearsome, they're excellent helpers around your house, getting rid of more bothersome pests. Learn about wolf spiders in this episode of BrainStuff. Learn more about your ad-choices at ht...Show More
Jane Goodall: Never Giving Up

07:25 | May 29th

In July of 1960, 26-year-old Jane Goodall began setting up her field station at Gombe, and would become the site of the longest-running wildlife research project in history. Learn more about Jane Goodall's incredible legacy in this episode of BrainSt...Show More
Are There Winners and Losers in a Trade War?

08:08 | May 28th

On May 10, 2019, the Trump administration increased tariffs on $200 billion worth of Chinese exports from 10 percent to 25 percent. But what does that mean for the global economy? Learn about trade wars in this episode of BrainStuff. Learn more about...Show More
How Many Legs Do Millipedes Have?

05:16 | May 24th

Millipedes don't literally have a thousand legs, but how many do they really have? Learn about these fascinating arthropods in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Hazardous Is Peeing in the Pool?

03:53 | May 23rd

Urinating in chlorinated swimming pools isn't just sorta gross -- it's actually a health hazard. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Can Galaxies Exist Without Dark Matter?

05:34 | May 22nd

We previously thought that all galaxies form with the help of dark matter, but researchers just found a galaxy that doesn't seem to contain any. Learn why that's so weird and what it might mean in this episode of BrainStuff. Learn more about your ad-...Show More
Why and How Are Documents Redacted?

07:12 | May 21st

Court and other government documents are often presented with redactions -- that is, with some text blacked out or otherwise made unreadable. Learn how this is done -- and why -- in today's episode of BrainStuff. Learn more about your ad-choices at h...Show More
Why Does Measles Reset Your Immune System?

07:45 | May 20th

After the measles vaccine spread, researchers noticed that the death toll from many other diseases dropped. Learn how the measles destroys your immunity to other diseases, and why the vaccine is safe for most people, in this episode of BrainStuff.  L...Show More
Introducing: Math & Magic

02:01 | May 18th

How do the smartest marketers cut through the noise? And how do they manage to do it again and again? Join iHeartMedia Chairman and CEO Bob Pittman as he analyzes the Math and Magic of marketing—sitting down with today's most gifted disruptors. Liste...Show More
What Is Relative Humidity?

05:45 | May 17th

Relative humidity can make pleasant temperatures unbearable (and vice versa). Learn why -- and what the dew point has to do with it -- in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Could Transplanted Organs Be Reused?

05:28 | May 16th

People who receive organ transplants often die with that organ working perfectly, but today, those organs are rarely retransplanted. Learn why -- and how some researchers are hoping to change that -- in this episode of BrainStuff. Learn more about yo...Show More
What Is Agnosticism?

07:55 | May 15th

Some people think that there are no effective differences between religious agnosticism and atheism, but the two standpoints are distinct. Learn how both work in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/...Show More
How Does Henry Ford's Feud with the Dodge Brothers Affect Businesses Today?

05:56 | May 14th

The legal feud between carmakers Henry Ford and the Dodge brothers wasn't just deeply personal -- it changed the way Americans do business. Learn how in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-a...Show More
Has Anyone Been Buried on the Moon?

05:05 | May 13th

Spoiler alert: Yes. But just one person. Learn who Eugene Shoemaker was and how his friends and family got him interred on the moon in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
What Happened at America's Secret Atomic City?

09:29 | May 10th

When the U.S. was building atomic bombs during World War II, it set up a secret city -- Oak Ridge, Tennessee -- to produce the uranium-235 it needed. Learn how this city worked and what it's used for today in this episode of BrainStuff. Learn more ab...Show More
Why Do Some People Eat Dirt?

07:41 | May 9th

The craving for and practice of eating earth is more widespread than you might think. Learn why researchers think people engage in pica (a.k.a geophagy) in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcas...Show More
Why Is the Blobfish Blobby?

05:07 | May 8th

The blobfish has been voted the World's Ugliest Animal based on above-water photos, but its gelatinous features make it perfectly adapted for life deep in the ocean. Learn how in this episode of BrainStuff. Learn more about your ad-choices at https:/...Show More
What Does the Word 'Caucasian' Really Mean?

06:48 | May 7th

Caucasian' is sometimes used to mean 'white', but the word comes from an old, incorrect scientific hypothesis and has been used to perpetuate prejudice. Learn why it would be better left in the past in this episode of BrainStuff. Learn more about you...Show More
What Can Marsquakes Teach Us?

04:08 | May 6th

Seismic activity has been recorded on Mars, and researchers hope to use the data to learn lots about the history and current state of the red planet. Learn how in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com...Show More
Introducing: Sleepwalkers

01:56 | May 4th

This is Sleepwalkers. With secret labs and expert guests, Oz Woloshyn and Karah Preiss explore the thrill of the AI revolution hands-on, to see how we can stay in control of our future. Sleepwalkers is now available.Subscribe here.  For behind the sc...Show More
Why Are Grocery Store Tomatoes So Meh?

07:08 | May 3rd

Many tomatoes found in large grocery stores are mealy and lack flavor. Learn why -- and what researchers are doing about it -- in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
What Is the Humboldt Ocean Current?

05:01 | May 2nd

This cold Pacific current runs along South America's coast, creating some of the most diverse ecosystems on the planet. Learn how it works and who it was named for in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart...Show More
What's the Controversy Behind 'Mary Had a Little Lamb'?

06:50 | May 1st

No, it's not the lyrics -- the author of this nursery rhyme is what's in question. Learn why -- and how Henry Ford is involved -- in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Often Should You Change Your Oil?

06:40 | Apr 30th

You may have heard differing advice on how often to have your car's oil changed. Learn how to figure out what's right for you and your car in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Were Some Viking Warriors Women?

05:47 | Apr 30th

The bones of what appears to be high-ranking Viking warrior have been proven to belong to a genetically female person. Learn the story behind this ancient grave and its occupant in today's episode of BrainStuff. Learn more about your ad-choices at ht...Show More
Can All Plants Be Preserved in Seed Banks?

04:14 | Apr 26th

Seed banks ensure that in case of disaster, Earth's plant life can be regrown from stored seeds -- but it turns out that lots of plants can't withstand conventional storage. Learn how researchers are working to solve this in today's episode of BrainS...Show More
Do Truly Unselfish Acts Really Exist?

08:05 | Apr 25th

Neurologists and philosophers alike may argue that altruism doesn't exist because no act is ever completely unselfish. Learn why -- and why humans may have evolved this way -- in today's episode of BrainStuff. Learn more about your ad-choices at http...Show More
How Unlikely Is a Hole-in-One?

04:05 | Apr 24th

If golf is hard (and it is), sinking a hole-in-one seems practically impossible -- but it does happen. Learn the odds of getting a hole-in-one in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertis...Show More
Why Do People Plagiarize?

09:34 | Apr 23rd

Everyone borrows and builds on other people's ideas, but plagiarism is outright stealing without giving credit. Learn why plagiarism hurts both parties -- and how it might be stopped -- in this episode of BrainStuff. Learn more about your ad-choices ...Show More
What Can an Image of a Black Hole Teach Us?

05:26 | Apr 22nd

Researchers have rendered the first-ever image of a black hole. Learn how they did it and how it helps prove Einstein right in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
What Did NASA's Twin Study Find?

05:35 | Apr 19th

NASA has been following intercellular changes in the bodies of an astronaut and his Earth-faring twin. The results are in! Learn what they found, and what further research is needed, in this episode of BrainStuff.  Learn more about your ad-choices at...Show More
What Was the Emu War?

07:10 | Apr 18th

Following World War II, Australia became embroiled in another war -- with a population of emu. Learn how the Emu War unfolded in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
What Weird Pets Have Lived in the White House?

06:21 | Apr 17th

Dogs and cats aren't the only pets presidents have kept. Learn about some of the strangest presidential pets -- from a raccoon to alleged alligators -- in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast...Show More
How Do Paleoartists Create Dinosaur Drawings?

06:48 | Apr 16th

Short answer: Very carefully. Learn about the history and modern practices of paleoart in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Why Are Opossums Awesome?

07:06 | Apr 12th

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 episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.c...Show More
What If the Meteor that Helped Wipe out the Dinosaurs Had Missed Earth?

06:02 | Apr 11th

After the Chicxulub meteor hit what's now the Yucatan Peninsula about 65 million years ago, over half of the species living on Earth went extinct. Learn how prehistory may have unfolded without the Chicxulub impact in this episode of BrainStuff. Lear...Show More
Are Windowless Airplanes the Future of Flight?

06:10 | Apr 10th

The view out an airplane window is one of the perks of flying, but some airlines are experimenting with windowless planes -- and advanced digital displays. Learn how these planes hope to deliver better-than-real views in this episode of BrainStuff. L...Show More
Can a Medicine's Inactive Ingredients Be Harmful?

03:38 | Apr 9th

Though we take medicines for their active ingredients, the inactive ones can affect us, too -- from allergens to sugars to animal-based gelatin capsules. Learn how a compounding pharmacy can help in this episode of BrainStuff. Learn more about your a...Show More
How Common Is Postpartum Depression in Dads?

06:24 | Apr 8th

Men can experience postpartum depression, too. Learn why researchers think it happens -- and why it's so important to get treatment -- in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Why Is Cramming the Worst Way to Study?

06:11 | Apr 5th

Cramming for a test or other deadline may give you decent short-term results, but research shows it sacrifices long-term comprehension and memory. Learn why study methods like spacing and interleaving are better in this episode of BrainStuff. Learn m...Show More
How Does the Pollen Count Work?

07:07 | Apr 4th

Your local weather report may include a pollen count, but what does that mean, and how do they calculate it? Learn the science behind this sneeze factor in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/pod...Show More
Why Don't Snakes Have Legs?

04:57 | Apr 3rd

Some snakes still carry the genes necessary to grow legs -- so why don't they? Learn how snakes may have lost their legs, evolutionarily speaking, in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-adve...Show More
How Do Mail Carriers Get Their Routes?

06:23 | Apr 2nd

Delivering mail to all 372 million Americans along all 214,000 postal routes is no easy task. Learn how the U.S. Postal Service designs those routes in this episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/podcast-a...Show More
What Can Babies See in the Womb?

05:15 | Apr 1st

A human fetus doesn't develop retinas until around gestational week 28. Learn how researchers have tried to figure out what babies can see in the few remaining weeks before they're born in this episode of BrainStuff. Learn more about your ad-choices ...Show More
Should We Retest Licensed Drivers Periodically?

07:25 | Mar 29th

Although some driving skills can deteriorate with age, experienced drivers tend to be the safest drivers. To an extent. Learn when and how experts think drivers should be retested in this episode of BrainStuff.  Learn more about your ad-choices at ht...Show More
Why is Horseshoe Crab Blood So Expensive?

08:57 | Mar 28th

Horseshoe crab blood is one of the most valuable fluids on Earth due to it's ability to detects endotoxins released by bacteria. But what does this mean for the species? Learn what the future may hold for these primitive animals in today's episode of...Show More
Could California Get an Autobahn?

05:45 | Mar 27th

California legislators are considering creating speed-limit-free areas on some of their roadways. Learn how this might work (and why it might NOT work) on today's episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/pod...Show More
What Is the Mandela Effect?

06:46 | Mar 26th

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 episode of BrainStuff. Learn more about your ad-choices ...Show More
What Happens to Donated Blood?

05:40 | Mar 25th

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 episode of BrainStuff. Learn more about your ad-choices at https://new...Show More
Introducing: Before Breakfast

06:13 | Mar 23rd

This simple planning habit changed Laura’s life, and it can change yours too. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
What Would 'Medicare for All' Really Mean?

09:15 | Mar 22nd

Some liberal U.S. politicians are promoting concepts of 'Medicare for All'. Learn how these proposals are different than the current American health care system (and how they compare to other countries' systems) in this episode of BrainStuff. Learn m...Show More
Why Does Cashmere Cost So Much?

07:41 | Mar 22nd

Cashmere can be more expensive than other wools because producing it is such an intensive process -- for the goats that grow it and the humans who care for them. Learn more in this episode of BrainStuff. Learn more about your ad-choices at https://ne...Show More
How Did Sealab Work?

06:31 | Mar 20th

In the 1960s, advances in technology allowed brave aquanauts to explore deeper into the ocean than ever before, but the project was shut down. Learn how Sealab worked -- and how that technology is still used today -- in this episode of BrainStuff. Le...Show More
What Can Earth's Deserts Teach Us About Martian Life?

06:11 | Mar 19th

To prepare for the search for microbial life on Mars, researchers are probing some of the harshest environments on Earth -- like the Atacama Desert. Learn how this work will inform future space missions in today's episode of BrainStuff. Learn more ab...Show More
How Did Desi Arnaz Change Television?

04:53 | Mar 18th

Lucille Ball's ex-husband wasn't just her 'I Love Lucy' co-star and writing partner -- Desi Arnaz changed the way television is produced and watched. Learn about his contributions to the industry in this episode of BrainStuff. Learn more about your a...Show More
Why Is Our Galaxy Warped?

04:29 | Mar 15th

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 today's episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/podcast-advertis...Show More
Can an Insurance Company Label an ER Visit 'Avoidable'?

07:29 | Mar 14th

A U.S. insurance companies has started cracking down on expensive emergency room visits by labeling some 'avoidable' and kicking the bills to the patients. Learn more in this episode of BrainStuff. Learn more about your ad-choices at https://news.ihe...Show More
What's the History (and Future) of Toilets?

06:18 | Mar 13th

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 episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.c...Show More
Are We Living in a New Epoch?

06:45 | Mar 12th

Some geologists say that humans have had a big enough impact on the Earth that we should declare a new epoch -- the Anthropocene. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Are Airlines Cracking Down on Emotional Support Animals?

06:49 | Mar 11th

Emotional support animals are a real and useful therapy tool, but not all of them are trained to deal with the crowds and stresses of air travel. Learn what airlines can and can't do to prevent accidents in this episode of BrainStuff. Learn more abou...Show More
Can the Fear of Public Speaking Be Conquered?

07:27 | Mar 8th

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 episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast...Show More
How Long Can Animals Hold Their Breath?

04:31 | Mar 7th

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 episode of BrainStuff. Learn more...Show More
What's in Movie Theater Popcorn?

05:56 | Mar 6th

The salty, buttery popcorn sold in movie theaters is nigh irresistible, but there's zero butter involved. Learn what it's made of in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Why Is NASA Going Back to the Moon?

05:39 | Mar 5th

NASA is planning a new series of moon missions, with the goal of sending astronauts back by 2028. Learn what they're hoping to build and study there in this episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/podcast-a...Show More
Where Do Sandman Myths Come From?

05:49 | Mar 4th

People have been telling stories about the Sandman -- named for his magic sand, which you may find crusting your eyelashes when you wake up -- for centuries. Learn some of the oldest known stories and how they may have emerged in today’s BrainStuff. ...Show More
How Has the HANS Device Improved Car Racing?

04:16 | Mar 1st

The HANS device supports a driver's head and neck in the event of a race car crash, saving lives. Learn its history in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Have We Hit Peak Recycling?

06:05 | Feb 28th

Recycling rates seem to have plateaued in the United States, which is bad news for the environment. Learn why this happened -- and what might be done to help fix it -- in this episode of BrainStuff.  Learn more about your ad-choices at https://news.i...Show More
Why Do Flying Squirrels Glow Hot Pink in UV Light?

04:29 | Feb 27th

As it turns out, most flying squirrels glow hot pink in ultraviolet light. Learn what researchers think may be the reason in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Can You Help a Friend with Depression?

07:11 | Feb 26th

We all know we're supposed to reach out to friends and family experiencing depression, but it's an intimidating prospect. Learn how to get a conversation started in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.c...Show More
Why Isn't Arkansas Pronounced 'Ar-Kansas'?

06:39 | Feb 25th

Kansas and Arkansas are spelled similarly but pronounced very differently. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Why Can't 911 Find You If Lyft Can?

05:11 | Feb 22nd

Smartphone apps like Lyft and even Facebook seem able to identify our location with near-perfect accuracy, but the 911 emergency service still struggles. Learn why -- and what's being done about it -- in this episode of BrainStuff. Learn more about y...Show More
What's Really Happening on Plum Island?

07:22 | Feb 21st

The research facility on New York's Plum Island holds some of the most dangerous livestock diseases known to humankind. Learn about its history (and uncertain future) in this episode of BrainStuff. Learn more about your ad-choices at https://news.ihe...Show More
How Does a 500-Year Experiment Work?

04:35 | Feb 20th

Bacteria can survive way longer than humans under the right conditions, so a team of researchers designed an experiment on microbes that will take 500 years to complete. Learn more in this episode of BrainStuff. Learn more about your ad-choices at ht...Show More
What Did the Opportunity Rover Teach Us?

05:09 | Feb 19th

After 15 years, NASA has officially ended the mission of the Mars rover Opportunity. Learn what the little-robot-that-could helped us discover about the planet (and interplanetary missions) in this episode of BrainStuff. Learn more about your ad-choi...Show More
Was Earth's Oldest Rock Found on the Moon?

06:38 | Feb 15th

The oldest known intact Earth rock was collected on the moon in the 1970s. Learn how researchers think it got there it in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Could Genetics Grow a Square Tomato?

06:17 | Feb 14th

Researchers have found genes that help determine the shapes of fruits and vegetables. Learn how this could (and couldn't) change what you see at the grocery store in today's episode of BrainStuff.  Learn more about your ad-choices at https://news.ihe...Show More
Why a Gaggle of Geese? Where Do Collective Nouns Come From?

06:22 | Feb 13th

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 episode of BrainStuff. Learn ...Show More
Why Are People Fascinated with the Number 23?

07:03 | Feb 13th

Some people hold that the number 23 has near-magical significance, but how did this fascination start? And can mere coincidences have real meaning? Learn more in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/...Show More
Why Are Sloths' Toilet Habits So Dangerous?

04:59 | Feb 12th

Sloths only defecate once a week or so, and more sloths die during the process than at any other time. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Why Are Suburbs So Unwalkable?

05:53 | Feb 8th

Many modern cities feature grided streets made for walking, but suburbs' wide, winding roads require cars to get around. Learn why, plus how it might change, in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/p...Show More
What's Up with the New 'Tesla Tower'?

05:53 | Feb 7th

A company has built a tower in Texas that resembles Nikola Tesla's famed Wardenclyffe Tower. Learn what we know (and don't know) about it so far in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advert...Show More
Why Are Whales Big (But Not Bigger)?

04:20 | Feb 6th

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 episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Is Quinoa Unhealthy For Its Producers?

05:43 | Feb 5th

Quinoa is hailed as a healthy, high-protein substitute for grains, but some reports have indicated that its popularity hasn't been good for the people who farm it. Learn why, and what researchers are doing about it, in this episode of BrainStuff. Lea...Show More
Are Electric Cars or Gasoline-Powered Cars Faster?

06:05 | Feb 4th

A car's quickness and overall speed depend on both the power of the engine and the way that energy is routed throughout the vehicle. Learn why electric vehicles can be quicker (but aren't as fast) as gas-powered cars in this episode of BrainStuff. Le...Show More
Why Are Peat Bogs So Good at Preserving Human Remains?

07:32 | Feb 1st

Human bodies buried in bogs can retain some features -- like perfectly preserved skin, right down to forehead wrinkles -- for thousands of years. Learn how this natural mummification process works in today's episode of BrainStuff. Learn more about yo...Show More
Will Saturn's Rings Last Forever?

05:59 | Jan 31st

Short answer: Nope! As it turns out, Saturn's rings are fairly new, and they'll only be around a while longer. Relatively speaking. Learn how researchers discovered this in today's episode of BrainStuff. Learn more about your ad-choices at https://ne...Show More
Why Don't Penguin Feet Freeze?

03:56 | Jan 30th

Standing barefoot on a glacier, human feet would freeze solid -- but penguin feet are fine. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
What Is Light?

06:07 | Jan 29th

Is light a particle or a wave? Or both? Or neither? Learn how humans have defined light throughout history -- including our best attempts today -- in this episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/podcast-adv...Show More
How Many People Really Have Food Allergies?

06:38 | Jan 29th

There's a lot of confusion over food allergies, intolerances, and other disorders with similar symptoms. So how can you tell the difference, and how many of us should be concerned? Learn more in this episode of BrainStuff. Learn more about your ad-ch...Show More
Can We Save the World's Coral?

05:32 | Jan 25th

Much of the world's coral is in danger, but a recently developed farming technique could help it regrow. Learn how in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Why Do Coffee Drinks Often Have Italian Names?

05:51 | Jan 24th

Many popular coffee drinks in America have Italian (or faux-Italian) names, but why? Learn the history behind these names in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Can a Star Become a Giant Crystal?

06:41 | Jan 23rd

After our sun dies, it and many other stars will eventually crystallize. Learn how astrophysicists figured this out -- and how it works -- in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertise...Show More
Do Footballs Fly Farther in Denver?

06:38 | Jan 22nd

Denver's Mile High Stadium sits a full mile above sea level -- is that distance really enough to make a difference in the air compared with other stadiums, and thus in how footballs fly there? Learn more in this episode of BrainStuff.  Learn more abo...Show More
Are the Dare Stones Forgeries or the Key to the Roanoke Mystery?

06:23 | Jan 21st

In the 1930s, stones surfaced that might explain what happened to the settlers of the lost colony of Roanoke. Learn their story -- plus how modern science might help determine whether they're real -- in this episode of BrainStuff. Learn more about yo...Show More
Could a Vaccine Help Save Honey Bees?

04:37 | Jan 18th

Honey bees are dying off due to a number of dangers, including bacterial diseases. Learn how researchers are hoping to help these important pollinators in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podc...Show More
How Did the 'Green Book' Change Life for Black Travelers?

05:20 | Jan 17th

Before the Civil Rights Act made racial discrimination illegal, black Americans faced even greater dangers while on the road. Learn how a Bronx mailman made travel safer and supported black entrepreneurs in this episode of BrainStuff. Learn more abou...Show More
Why Is Lobster So Expensive?

05:56 | Jan 16th

Lobster hasn't always been a luxury -- and prices have the potential to drop again. Learn the history and politics behind these tasty crustaceans in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-adver...Show More
What's the Biggest Building on Earth?

05:34 | Jan 15th

To create the biggest-ever airplanes, Boeing created the biggest-ever building. (Before they learned to control the temperature, clouds formed near its ceiling.) Learn more about this mammoth structure in today's episode of BrainStuff. Learn more abo...Show More
Why Do Bruises Change Color?

04:40 | Jan 14th

Bruises can turn a rainbow of colors before they heal -- but why? Learn the science behind color-changing contusions in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Could Hemp Become America's Biggest Crop?

05:28 | Jan 11th

New legislation in the United States allows farmers to grow hemp -- cannabis's non-psychoactive cousin. Learn why this could become big business in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-adv...Show More
What's the History of Nail Polish?

05:38 | Jan 10th

The nail polishes popular today owe their existence to the automotive industry, but the history of nail colors and varnishes goes back millennia. Learn the history of nail polish in this episode of BrainStuff. Learn more about your ad-choices at http...Show More
What Makes Some Lakes Explode?

06:43 | Jan 9th

Given the right depth, temperature, and access to volcanic gases, lakes can explode and kill thousands in the process. Learn how these limnic eruptions happen in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/...Show More
Why Do Scorpions Glow Under Black Light?

04:10 | Jan 8th

Scorpions light up a glowing green under ultraviolet light. Science isn't entirely sure how but has a few theories on why. (Y'know, aside from "Scorpions are metal.") Learn more about scorpions' fluorescence in this episode of BrainStuff. Learn more ...Show More
Skim Versus Whole Milk: Which Spoils Faster?

05:13 | Jan 7th

Some food safety charts claim that whole milk goes off more quickly than skim milk, but the scientific evidence is mixed. Learn more about milk science in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast...Show More
BrainStuff Classics: Why Does Gasoline Smell So Good?

04:15 | Jan 6th

Some of you are giving this episode title serious side-eye, but believe us: some other folks think gasoline smells excellent. Delicious, even. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcas...Show More
BrainStuff Classics: Does Eating Before Bed Give You Nightmares?

05:29 | Jan 5th

Popular wisdom holds that eating before bed -- and especially eating spicy or 'strange' food, however you define strange -- will doom you to nightmares. But is there any science behind that? Learn more in this classic episode of BrainStuff. Learn mor...Show More
Is the Earth Humming to Us?

05:20 | Jan 4th

Our planet Earth produces a constant hum too quiet for our ears to detect, but researchers have finally captured a recording of it. Learn more about the sound, called permanent free oscillations, in this episode of BrainStuff. Learn more about your a...Show More
How Do Cold-Blooded Animals Survive the Winter?

06:51 | Jan 3rd

Reptiles and amphibians have all sorts of adaptations for surviving cold weather, even in places where temperatures dip below freezing. Learn how they manage the cold in this episode of BrainStuff. Learn more about your ad-choices at https://news.ihe...Show More
Are Restaurants' Michelin Stars Related to Michelin Tires?

03:59 | Jan 2nd

Receiving one or more Michelin stars is one of the highest honors in the restaurant industry. Learn how a tire company started this prestigious tradition in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/po...Show More
Why Does Helium Make Your Voice Squeaky?

05:47 | Jan 1st

If you take a pull of air from a helium balloon, you'll sound like a cartoon version of yourself for a few seconds. Learn why helium makes you so high pitched in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/...Show More
How Can We Make Better Resolutions?

05:28 | Dec 31st, 2018

Humans have been making New Years' resolutions for millennia, but we're still bad at keeping them. Learn some science behind building better resolutions in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcas...Show More
BrainStuff Classics: Why Don't Humans Have Tails?

04:15 | Dec 30th, 2018

Lots of other mammals make great use of their tales, so why don't humans have them? Learn about the science of tails in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
BrainStuff Classics: Is There A Noise Loud Enough To Kill You?

05:29 | Dec 29th, 2018

You've probably experienced a noise loud enough that it hurt your ears, but could a noise be so loud that it could actually kill you? Spoiler alert: Yes. Learn more in today's episode of BrainStuff. Learn more about your ad-choices at https://news.ih...Show More
Do Whales Have Pop Songs?

03:28 | Dec 28th, 2018

Whale songs are eerie, beautiful, and -- as it turns out -- completely on-trend. Learn how humpback whales share tunes among herds in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Why Are Some Words Funny?

07:51 | Dec 27th, 2018

Words like 'poop' and 'wiggle' are inherently humorous, and science may have figured out why. Learn what research has to say about why some words tickle us in this episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/po...Show More
Why Does Beer Foam Last Longer Than Soda Foam?

04:00 | Dec 26th, 2018

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 episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-adverti...Show More
What Exactly Are Frankincense and Myrrh?

05:55 | Dec 25th, 2018

Frankincense and myrrh play a part not only in the story of Christmas, but in lots of other religious traditions as well -- and a few practical ones, too. Learn more about these aromatic substances in this episode of BrainStuff. Learn more about your...Show More
Why Are Christmas Trees That Shape?

03:56 | Dec 24th, 2018

Most of the trees decorated for Christmas don't naturally grow in a perfect cone shape -- so how do they get that way, and why did we decide on that shape in the first place? Learn about the history of Christmas trees in this episode of BrainStuff. L...Show More
Why Is Holly a Christmas Decoration?

05:50 | Dec 23rd, 2018

Why exactly do folks deck the halls with boughs of holly during the Christmas season? Learn about the history and legends behind holly in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
BrainStuff Classics: How Do Accents Work?

04:52 | Dec 22nd, 2018

Everybody has an accent -- some are just considered neutral by native speakers. Learn how accents develop and how they influence us in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
What Happens When Elevator Cables Break?

05:23 | Dec 21st, 2018

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 episode of BrainStuff. Learn more about your ad-choices at https://news.ih...Show More
Why Do We Sing in the Shower?

03:44 | Dec 20th, 2018

It's somewhere between tempting and inevitable to break into song in the shower. But why? Learn about the psychology and physiology of shower singing in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-a...Show More
Why Is Palm Oil in So Many Things?

06:34 | Dec 19th, 2018

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 episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/p...Show More
Do Dogs Get Embarrassed When We Put Them in Costumes?

05:18 | Dec 18th, 2018

The photos on social media are arguably the cutest, but how do dogs feel when we dress them up? Can dogs feel emarrassment? Learn what science has to say in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podca...Show More
When We Lose Weight, Where Does It Go?

05:00 | Dec 17th, 2018

When we lose weight, it doesn't just vanish. Learn how our bodies shrink fat cells in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
BrainStuff Classics: What Is The Oldest Living Thing?

05:06 | Dec 16th, 2018

To be fair, the answer to this question depends on what you consider 'living' and 'thing' to mean. Learn a few possible answers in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
BrainStuff Classics: Why Do We Sleep?

06:37 | Dec 15th, 2018

We spend somewhere around a third of our lives sleeping, but why? Learn what happens when you sleep (and what happens when you don't) in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Why Are Stop Signs Red?

04:52 | Dec 14th, 2018

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 episode of BrainStuff. Learn more about your ad-choices at https://news....Show More
Who Is Krampus?

07:00 | Dec 13th, 2018

This horned holiday demon has entered our pop culture consciousness, but where do Krampus legends come from? Learn about the history of Krampusnacht in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-ad...Show More
How Have Funerals Changed Since the '60s?

05:15 | Dec 12th, 2018

The ways we think about funerals are bound to change over time, but the 1960s was a real turning point. Learn more in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Could Neanderthals Laugh?

04:36 | Dec 11th, 2018

Neanderthals were more like us than we previously thought, but could they laugh? Learn why researchers think they could in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Does Gelatin Work?

06:22 | Dec 10th, 2018

Gelatin makes Jell-O wiggle and provides texture to all sorts of products, but what is it made of? Learn what's happening on a molecular level when you use gelatin in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart...Show More
BrainStuff Classics: Why Do People Go Bald?

06:07 | Dec 9th, 2018

Humans are one of the only mammals to commonly experience balding. Learn the science behind thinning hair in this episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
BrainStuff Classics: Why Do You Hate the Sound of Your Own Voice?

03:39 | Dec 8th, 2018

Your voice sounds different in recordings than it does to your own ears, but why? Learn the science behind this phenomena in today's classic episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Do We Define the Kilogram?

05:15 | Dec 7th, 2018

The kilogram used to be measured against an agreed-upon chunk of metal stored in France, but no longer. Learn the new measure of this standard unit of measurement in today's episode of BrainStuff. Learn more about your ad-choices at https://news.ihea...Show More
How Can I Donate My Brain to Science?

03:29 | Dec 6th, 2018

Researchers, like zombies, are interested in brains of all kinds. Learn a few basics about how donating your brain to science works in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Could Cheap Magnets Help Save Sharks?

04:42 | Dec 5th, 2018

The fishing industry accidentally kills millions of sharks every year, but researchers think they've found a seriously inexpensive solution. Learn how it could work in this episode of BrainStuff. Learn more about your ad-choices at https://news.ihear...Show More
Why Do We Test Middle Schoolers' Fitness?

06:02 | Dec 4th, 2018

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 today's episode of BrainStuff. Learn more about ...Show More
What Can Probiotics Really Do?

05:38 | Dec 3rd, 2018

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 episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-ad...Show More
Will Amazon's Corporate Megadeal Change How Business Works?

06:52 | Dec 2nd, 2018

Why are some politicians so eager for large businesses to set up shop in their districts? What are those businesses' real motivations in making selections? Learn what some researchers think about corporate megadeals in this episode of BrainStuff. Lea...Show More
Is the Meaning of Life '137'?

06:36 | Dec 1st, 2018

Both scientists and mystics revere the number 137, but why? Learn the significance of this seemingly humble number in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
How Did the Inca Knot Language Work?

05:07 | Nov 30th, 2018

The Inca never developed a system of writing, but they kept records and told stories through intricate knotwork. Learn what researchers know -- and what they're still looking to find out -- about Inca khipu in this episode of BrainStuff.  Learn more ...Show More
Can Cheese Actually Make Wine Taste Better?

03:36 | Nov 29th, 2018

Spoiler alert: Yes! Learn the science that makes wine and cheese go so well together in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Why Did London Once Have a Train for the Dead?

04:54 | Nov 28th, 2018

When a city's cemeteries start filling up, one solution is to take the funerary show on the road. Learn about London's Necropolis Railway of 1854-1941 in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-...Show More
Why Do Dogs' Paws Smell Like Corn Chips?

03:44 | Nov 27th, 2018

Dog enthusiasts sometimes revel in how their pup's paws smell gloriously of corn chips, but what causes this scent? Learn the science behind Frito paws in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast...Show More
Are E-Cigarette Liquids Safe?

05:25 | Nov 26th, 2018

The flavorings added to vape liquids are considered safe for ingestion, but what happens when we breathe them in? Learn what researchers can and can't say about the safety of vaping in this episode of BrainStuff. Learn more about your ad-choices at h...Show More
BrainStuff Classics: How Does Saliva Work?

08:03 | Nov 25th, 2018

Your saliva is a serious multitasker -- it keeps bacteria at bay, helps you digest your food, and even makes your food taste better. Learn how it works in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast...Show More
BrainStuff Classics: Why Do We Fart?

05:47 | Nov 24th, 2018

We all pass gas, but why? Learn what's happening in your digestive system when you fart in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Is Black Friday the Busiest Shopping Day?

05:29 | Nov 23rd, 2018

It's true that millions of Americans go shopping the day after Thanksgiving, but it's not the biggest shopping day of the year. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Does Turkey Really Make You Sleepy?

04:34 | Nov 22nd, 2018

You may have heard that the tryptophan in turkey causes holiday naps, but it might not be the real culprit. Learn some turkey science in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Is There a Best Way to Load the Dishwasher?

04:52 | Nov 21st, 2018

Which way should the plates face? What about the silverware -- handles up or down? Do you need to pre-rinse? Learn how to make your dishwashing machine work its best in this episode of BrainStuff. Learn more about your ad-choices at https://news.ihea...Show More
Why Does Hot Food Seem More Satisfying?

05:08 | Nov 20th, 2018

Warm foods can feel more filling than chilled foods, but why? Learn the possible explanations behind the cravings in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Does Apple Cider Vinegar Really Help With Weight Loss?

05:45 | Nov 19th, 2018

Some proponents say that drinking apple cider vinegar is the 'secret' to losing weight. Learn what science has to say in this episode of BrainStuff. And hey, take care of yourself, OK? Learn more about your ad-choices at https://news.iheart.com/podca...Show More
BrainStuff Classics: How Does LASIK Work?

06:34 | Nov 18th, 2018

It’s one of the common vision correction surgeries accomplished with lasers, but how does it work? Is it really safe? Learn about LASIK eye surgery in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-adv...Show More
BrainStuff Classics: Do You Really Need to Wash Your Jeans?

06:14 | Nov 17th, 2018

It may seem like an obvious ‘yes’, but denim producers often recommend washing your jeans as little as possible — if at all. Learn why (and what they recommend instead) in this episode of BrainStuff. Learn more about your ad-choices at https://news.i...Show More
Do Carrots Really Help Your Eyesight?

04:29 | Nov 16th, 2018

Conventional wisdom says that eating carrots will give you better vision, but how true is that? Learn where the idea came from in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Will Temperature Changes Make You Sick?

03:53 | Nov 15th, 2018

When the temperature drops (or bounces), are you more likely to get sick? Learn the science behind the old wives’ tale in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Why Are Dogs’ Noses Wet?

04:04 | Nov 14th, 2018

Dogs’ noses are often wet, but why? And does a dry nose mean your pup is sick? Learn what science has to say about dogs’ noses in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Could We Build A Real Gundam?

06:04 | Nov 13th, 2018

Science fiction tells us our future depends on giant, humanoid robots protecting us and punching monsters. But could we really build those machines? Learn how close we are in this episode of BrainStuff. Learn more about your ad-choices at https://new...Show More
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