BrainStuff
2,726 episodes — Page 28 of 55
BrainStuff Classics: How Does Jet Lag Work?
Our bodies are used to fairly regular patterns of sleep and wakefulness, and moving across time zones can mess that up royally. Learn why -- and what you can do to prevent it -- 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 We See the Stuff Astronauts Left on the Moon?
Astronauts have left over a hundred items on the moon's surface. Learn what telescopes are powerful enough to spot them in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Do Other Animals Have Blood Types Too?
We humans have blood types that help determine what transfusions we can give and receive -- and other animals do too. Learn about cat, dog, and horse blood types, among others, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Are Legal Pads Yellow?
Legal pads' defining characteristics all date back to the turn of the 20th century. Learn how they came about in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Did an Enslaved Man Help Save Colonial Boston from Smallpox?
Smallpox epidemics swept the colonies several times, but one African-American man known as Onesimus helped save Boston from the brunt of it. Learn how in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Is There a Best Time of Day for Making Decisions?
Everyone's brain works a little differently, but research shows that there's a time of day when most of us make decisions quickly, and another when most of us make decisions accurately. Learn when both occur in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Could Sonic the Hedgehog Survive His Own Speeds?
Most hedgehog bodies are not meant for supersonic speeds, but most hedgehogs are not Sonic. Learn how Sonic's speed compares with other animals and how he might survive 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 Would Space Do to the Human Body?
All the times a character in science fiction has gotten tossed out an airlock got us wondering: What would really happen to the human body if it were exposed to space without a protective suit? Learn what we found 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 Get Brain Freeze?
You're enjoying a delicious frozen treat, and then, suddenly, it hits: brain freeze! Learn why this short, stabbing pain occurs in today's classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Who Put the Baby in King Cake?
King cake is a tasty part of Mardi Gras celebrations today, but the traditions behind it go way back. Learn about the history of king cake, and why many now come with a small plastic baby, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Could We Turn Air Pollution Into Ink?
Air pollution can carry the same compound that we use to make ink -- so why not capture that pollution and turn it into art? Learn how an innovative technology is making it possible 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 First Cat in Space?
You may have heard of other animals' trips into space, but France's spacefaring cat, Félicette, has been all but lost to history. Learn about her journey in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Can You Put Emoji on License Plates?
Vermont is considering a bill that would allow its drivers to add emoji to license plates -- and Queensland, Australia already has that option. 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.
Why Is Black History Month During February?
Black History Month helps celebrate the achievements and contextualize the experiences of black people in America, past and present. Learn the history behind it 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 WiFi Safe?
You may have heard rumors that wireless internet is a health hazard, but, spoiler alert: It's probably just fine. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
BrainStuff Classics: How Do Car Horns Work?
Car horns are both important safety feature and an instrument of rage. Learn the physics behind the honk in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Did Indigo Help Start America's Slave Trade?
Crops like sugar and cotton are notoriously tied to slavery in the U.S. (and around the world), but indigo deserves infamy, too. Learn the dark history of this natural dye 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 History of the Tooth Fairy?
Throughout history, different cultures have had all kinds of ceremonies surrounding the loss of a first baby tooth. Learn where the Tooth Fairy fits in in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Do Scientists Know What's Inside Dinosaur Eggs?
For dinosaur eggs to have survived until now, they must have fossilized -- which makes cracking them open to see what's inside a difficult prospect. Learn how researchers tackle it (and when they don't have to) in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Are Humans Built to Drink Milk as Adults?
Lactose intolerance is rare in the U.S., but worldwide it's way more common. Learn what causes this and how researchers explain the divide in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What Do People Get Wrong About Rosa Parks?
Though we've all heard about how Rosa Parks' small act of resistance on a Montgomery bus sparked a boycott that spurred the civil rights movement, a lot of us get the details wrong. Learn the real story of Rosa Parks 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 Is the Birthday Paradox?
The so-called Birthday Paradox isn't a true paradox -- it's a fascinating example of how bad humans are at off-the-cuff probability. Learn what the Birthday Paradox is and 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: Why Do We Get Morning Breath?
Our breath can smell bad for a number of reasons, but it tends to be worse first thing in the morning. Learn why in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Does Chocolate Give You a Happy High?
Many humans enjoy eating chocolate -- but is it because of the taste, or because of compounds in the candy that simulate happiness in our brains? Learn about how chocolate affects us in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do Cats Knead?
Cats seem to love kneading at soft things with their front paws -- but why do they do it? Learn about this (sometimes very pointy) behavior in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What Is Balut, and How Do You Eat It?
Balut is a street food delicacy found in Southeastern Asia -- and around the world. Learn about this eggy treat in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Are Single-Use Plastics Really That Bad?
Single-use plastics are plastics made to be thrown away after one use. Learn why they're so damaging and how we can do better in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Did Georgia Tech's Most Famous Student Never Exist?
George P. Burdell has received several degrees, flown missions in several wars, hosted countless campus balls, and ordered countless pizzas -- but he's never technically existed. Learn about Georgia Tech's legendary student in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
BrainStuff Classics: How Does Crooke's Radiometer Work?
Crooke's radiometer is a device containing vanes that appear to spin because they're pushed by light itself, but that's not quite right. Learn what's really happening 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 Is White Noise?
White noise generators are useful for masking all kinds of annoying sounds -- but what is white noise, and how does it work? Learn about white noise (and other 'colors') in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Do Wine, Cars, and Clothes Defy Economics?
With most goods and services, as their price goes up, demand goes down -- but not so with luxury items from diamonds to college educations. Learn how Veblen goods work in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Can a Mongoose Take on a Cobra?
Mongooses are small, weasely mammals that can -- and do -- kill and eat big, venomous king cobras. Learn how they manage to come out on top in this grudge match in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Are Scientists Asking Hikers to Stop Stacking Rocks?
Stacks of rocks called cairns have long been used for navigation and decoration, but scientists are now asking hikers to stop making them. Learn how simply moving rocks can be hugely destructive (even if you put them back) in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do People Say 'Holy Cow'?
The phrase 'holy cow' is an example of a minced oath -- a substitute for a taboo phrase. Learn how baseball was involved in its popularity in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Would King Kong Be Considered an Endangered Species?
Land animals tend to have an upper limit of size, beyond which they risk extinction. Learn why (and how King Kong is a great example of this) 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: Is a 'Dog Year' Really 7 Years?
Sure, dogs age differently than humans -- but is a year for us really like seven years for them? Learn the truth about your dog's age 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: What is 'Ranch' Flavor?
Ranch is the most popular salad dressing in the United States, but what is that flavor supposed to be? Learn the history and modern make-up of ranch flavor in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Are Super Bowl Ads Really Worth $30 Million?
The most expensive 30-second commercial slot in this weekend's Super Bowl sold for $5.6 million, but the total cost to make these ads is more like $30 million. Learn what kind of return on investment companies hope to make in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Did White House Press Briefings Go From Daily to Done?
Press briefings have been a regular event at the White House since the late 1800s, so why has the Trump administration cancelled them? Learn about the history behind the practice (and what's replaced them) in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Could Electric Motors Save Classic Cars?
Replacing vintage engines with electric motors can help keep classic cars on the road (though don't worry, we're not coming for your collector's items). Learn why companies like Jaguar and Volkswagen are leading the charge in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Is There a Science to Aging Beer?
Some beers develop in interesting and pleasant ways as they age -- but it's a science experiment with a lot of variables. Learn how to embark on the art and science of aging beer 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 Best Kind of Dog Leash?
Taking your dog out on walks is great for it (and you!), but certain kinds of leashes can help keep you both safer. Learn why an expert recommends braided leather leashes (and when they recommend harnesses) in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
BrainStuff Classics: How Does Radiation Sickness Work?
Most of us don't have to worry about ionizing radiation -- that is, the kind of radiation that can make you sick. Learn why (and what ionizing radiation can do) 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: What Is Fracking?
You’ve heard of fracking, and you’re pretty sure lots of people don’t like it, but do you know what it really entails? Learn what goes into the fracking process in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Do Bengal Cats Work?
Bengal cats are a hybrid of domestic cats and a small, wild type of leopard cat. Learn how this breed began and why they're an intensive pet 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 Difference Between Avenues, Roads, and Boulevards?
Yes, there is a difference! Roadways in the United States are given designations based on what lines them and how they connect. Learn the differences between these and other passages in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Are Bananas Berries, but Strawberries Aren't?
Botanically speaking, bananas are berries and strawberries are not. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Do Monkeys Lack the Brains or the Vocal Anatomy for Human Speech?
For a long time, scientists thought monkeys and non-human apes simply lacked the vocal anatomy for human speech, but new research indicates otherwise. Learn what was found in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Are We Running Out of Cork?
There's a myth that the trees that cork comes from are endangered, but they're doing just fine. Learn how the rumors may have started in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Is the Exclamation Point on the Rise?
The exclamation point, once scorned by most, is appearing more and more in online communication — even in professional settings. Learn the history of this punchy punctuation in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.