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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. See more »

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. See more »

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. See more »

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. See more »

How Does Crooke's Radiometer Work?

Christian explains the science behind this seemingly magical gizmo. See more »

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. See more »

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? See more »

BrainStuff: How Does Anxiety Work?

Anxiety is a normal, healthy response for the human body. But when it interferes with daily life it can become a disorder. We investigate anxiety's symptoms and biochemistry to learn how it can become irrational... and how you treat it. See more »

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. See more »

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. See more »

BrainStuff: Can Smoking A Scorpion Get You High?

Some people are using scorpions as a narcotic. Will it give you euphoria? Or just a toxic cocktail of intense pain? See more »

The Way We Think About Sugar Is Going To Change

The FDA recently changed their Nutrition Facts label to include added sugars. But why? See more »

How Do Erasers Erase?

Erasers lift our mistakes right off the page, but it's not magic - it's the microscopic physics of stickiness. See more »

Why Do Some People Faint At The Sight of Blood?

Christian explains the science of why people faint at the sight of blood. See more »

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. See more »

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? See more »

BrainStuff: What is 'New Car Smell?'

Ben explains just what it is you're smelling when you get inside a new car. See more »

Why Do Helicopter Blades Look Weird On Video?

Helicopter blades and other fast spinning objects often produce strange effects on camera. Christian explains why. See more »

BrainStuff: What Is The Drake Equation?

Josh explains Frank Drake's famous formula for determining whether intelligent alien life exists. See more »

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. See more »