BrainStuff
2,648 episodes — Page 42 of 53
How Does Hair Dye Work?
Some hair dyes are basically fine-grained paint. But dyes that stick with you for more than a couple weeks physically and chemically change each hair. Learn how with Christian Sager. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Do Tattoo Machines Work?
Tattoo machines (sometimes called guns) haven’t changed much since the 1890s because they’re such elegant devices. Tune in to learn how the most common types work. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Could Alien Life Exist?
What makes a planet ideal for sustaining life? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Does the Human Body Really Replace Itself Every 7 Years?
The short answer is “no.” Tune in to learn how long it really takes, plus how nuclear weapons led scientists to the solution. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Are Plants Conscious?
Scientists have found evidence that plants have senses, memories, and can even communicate with each other. But does this mean they're conscious? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Are There So Many Different Kinds of Milk?
Christian explains the difference between common types of milk, looking at calories, fat and the rest of their composition. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What Happens When You Get Ringing In Your Ears?
Tinnitus is what makes your ears ring after a loud noise. And it's really annoying. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do We Get Brain Freeze?
We all know what an ice cream headache feels like. Christian's here to explain why they happen. It involves temperature (duh), nerves and lots of blood. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What is Synesthesia?
It’s true – some people hear colors, or taste words. But what produces synesthesia? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Is It So Difficult To Chug A Gallon of Milk?
It's one of the strangest - and potentially grossest - challenges out there. But what happens when you drink milk? Why does it make you throw up? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Does Vocal Fry Work?
You’ve probably heard people complaining about vocal fry, and you’ve certainly heard it used in conversation, but what causes it? Christian explains the science of fry and creak in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Does Aspirin Work?
How does aspirin target your pain? The plants that aspirin were derived from have been used as medicine for about 6000 years, we finally discovered how it works in 1971, and Christian explains it to you now. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Long Would It Take To Walk Around The World?
Christian explains what goes into calculating how long it would take to traverse the globe on foot, and tells us about some intrepid explorers who've tried to do it. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Does Déjà vu Work?
Ever gotten the strange feeling that you’re repeating an experience? Researchers have over 40 theories about what’s going on in the brain during déjà vu, and Christian is here to explain the most popular ones. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Does Crooke's Radiometer Work?
Christian explains the science behind this seemingly magical gizmo. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What the Heck is GDP?
GDP, GNP – what does it all mean? Jonathan explains what economists mean when they bring up these common economic indicators. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What Determines Your Hair Color?
There's a lot of natural variation in the color of human hair. What's the physical explanation for the difference? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Is Bacon Considered A Breakfast Food?
Sure, everyone knows that bacon and eggs are a traditional breakfast - but why? Listen in to learn how Freud's nephew invented PR and changed the way America eats breakfast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What Are Brain Orgasms And ASMR Whisperers?
Christian delves into the euphoric sensations of the Autonomous Sensory Meridian Response (ASMR) and reveals what triggers it and how science has responded so far. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
The Way We Think About Sugar Is Going To Change
The FDA recently changed their Nutrition Facts label to include added sugars. But why? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Do Erasers Erase?
Erasers lift our mistakes right off the page, but it's not magic - it's the microscopic physics of stickiness. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do Some People Faint At The Sight of Blood?
Christian explains the science of why people faint at the sight of blood. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Do Crosswalk and "Close Door" Buttons Really Do Anything?
Are the buttons we push to cross streets, close elevator doors, and nudge the office thermostat really connected to anything? Some aren’t! Learn how these placebo buttons (don’t) work. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Is An Autopsy Performed?
When you need someone to exam a corpse to determine a cause of death, how do they conduct the autopsy? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do Helicopter Blades Look Weird On Video?
Helicopter blades and other fast spinning objects often produce strange effects on camera. Christian explains why. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What Is American Cheese Really Made Of?
Processed American cheese is super cheap, consistent, shelf-stable, and orange. Christian explains how this science cheese is made. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do Dogs Tilt Their Heads?
Is this adorable behavior rooted in sensory necessity or purposeful gesticulation? We explore what may be the cutest research ever. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do So Many Price Tags End in .99?
It’s very common to see the number 9 at the right end of a price tag. Why is this? Christian explains the psychology of prices and nines in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do Movie Theaters Sell Popcorn?
For millions of moviegoers, the idea of visiting the local theater automatically conjures memories of popcorn. But this wasn’t always the case – so why, out of all snacks, did popcorn become the #1 snack for film? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Does Lucid Dreaming Work?
Science has proven that we can be aware of our dreams while we’re in them. But can we control our dreams? Christian breaks it to you gently. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What Is Satanism?
Just the term "satanism" is controversial. But what's actually going on with this counter-culture religion that values individualism and nonconformity? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do We Itch?
Virtually everyone has experienced an itch at one time or another – but what is an itch exactly? What causes it, and why can having one be such a maddening experience? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Do Microwave Ovens Work?
They’re convenient, ubiquitous and easy to use. But how do these things work, exactly? What do people mean when they say a microwave cooks food inside out? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do Dogs Yawn?
Dogs communicate by yawning, and it's complex to figure out what they might mean. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Is WiFi Safe?
You've probably heard that wireless internet (WiFi) is dangerous. But is it true? Christian breaks it down. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What's the ideal temperature for your refrigerator?
In this episode, Christian explains how bacteria spoils food and what temperature your refrigerator should be to slow their progress. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why do some noises drive me crazy?
Do you want to strangle people for chewing gum? Does the crinkle of plastic fill you with inarticulate, homicidal fury? If so, you may suffer from the little-understood condition called 'misophonia'. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How do one-way mirrors work?
How can a single piece of glass look like a mirror from one side but a window from the other? It's not magic, it's materials technology. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Will Soda Really Ruin My Teeth?
If your teeth are one of the hardest parts of your body, then how could soda damage them? Tune in to learn more. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do Fluorescent Lights Make That Buzzing Noise?
Bzzzzzzzzzzzzzzzzz Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Are Stupid People More Confident?
We've all heard about the supposed relationship between confidence and knowledge - but is it true? Two researchers think they've found the answer. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Does Saliva Work?
Your saliva makes things taste great while killing bacteria and helping digestion. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What Causes Red Eye In Photos?
How can a camera's flash make your eyes glow red? Tune in to learn how it works -- and how to prevent it. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Do Men Have Deeper Voices?
Christian explains why male humans' voices generally get lower than female humans' during puberty. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
Why Are Honey Bees Disappearing?
Honey bees are vanishing? But why? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Do TV Ratings Work?
The future of your favorite TV shows hinges on their ratings – but what is a rating, and where does it come from? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
How Do Car Horns Work?
The next time you honk your car horn at that jerk who cut you off, you’ll understand how it uses physics to get the job done. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What is Russia's "Dead Hand?"
We’ve all seen movies with supervillains building catastrophic Doomsday devices – but has anyone ever built a real one? Join Christian to learn how the Cold War led to the most dangerous nuclear system in history: Russia’s legendary – and terrifying – Dead Hand. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What Causes the Northern Lights?
There are many misconceptions about what causes the Aurora Borealis when it really requires solar winds, magnetic fields and excited atmospheric gases. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
What Is White Noise?
Christian defines what white noise actually is and how it's used to mask other annoying sounds. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.