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How Fuel Efficient Is An Airplane?

How much fuel does a 747 need to complete an international flight? How efficient are these aircraft? Join Christian as he asks how much fuel an international flight actually uses.

Why Are You Farting?

Sure, flatulence is embarrassing. But why do we do it?

Where Do Bullets Go When Fired Into The Air?

When people fire guns into the air in a celebratory manner, those bullets have to go somewhere. Find out how high fired bullets can go -- and why they can be dangerous -- in this episode of BrainStuff.

Can Water Go Bad?

Many people store water for emergencies -- but is it true that water sitting for too long will go bad? Listen in as Christian explains it for you.

Why Do People Talk Weird in Old Movies?

It’s not quite British, and it’s not quite American – so what gives? Why do all those actors of yesteryear have such a distinct and strange accent?

Why is Blood Red?

Blood is always red... even when it's inside your body.

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.

Can Animals Predict Natural Disasters?

Do animals have a sixth sense that can detect earthquakes and tsunamis? Or do they just make better use of their other senses than humans?

Why Don't All Skeletons Become Fossils?

Skeletons of ancient animals sometimes become fossilized. But if this happened to every animal that ever lived, wouldn’t we be swimming in a sea of fossils right now? BrainStuff explains why only a fraction of animal bones turn into fossils.

Does TV Resolution Matter?

You’ve heard all the hype about high-definition TV, ultra-high definition and more. But does this mad race to jam more pixels on a screen actually matter? Tune in to learn more about the human eye and digital resolution.

What's The Most Expensive Book In The World?

Sometimes super-wealthy people like to spend millions on a single book. Which one cost the most? Hint: It’s about water and it's written backwards.

How Will You Most Likely Die?

Death is the most mysterious and inevitable part of the human experience. But how will we go? Christian takes a closer look at the most common causes of death across the globe.

Did the Brontosaurus Exist?

The Brontosaurus technically hasn't existed in the living/breathing sense of the word for 150 million years. But did it ever exist? Was this iconic dinosaur the result of misclassification?

Why is Bird Poop White?

Bird poop: It’s the bane of cars, statues, awnings and occasional hapless pedestrians across the world. But what is this stuff anyway? Why does it look so unnatural? Why is it white?

Can Your Eyes Pop Out Of Your Head When You Sneeze?

You’ve heard that if you can keep your eyes open during a sneeze, you’ll be rewarded with the sensation of both eyeballs popping out of their sockets. Is that true?

How Crowds Can Kill You

People mean well, but in high-density situations we begin to risk our safety. Learn how a crowd can turn into a deadly disaster.

How Does Agoraphobia Work?

Agoraphobia is a complicated and difficult psychological condition that is easily misunderstood. Learn about life with agoraphobia in this episode of BrainStuff.

How Do Fire Extinguishers Work?

Fire extinguishers are nearly ubiquitous, and they can be an invaluable, life-saving device. But what’s inside those little red cylinders, and how does it stop a fire?

Do Juice Cleanses Work?

Juice cleanses are all the rage. But do they actually provide any health benefits? Christian explains.

What Is The Dwarf Planet Ceres?

What Is The Dwarf Planet Ceres?