BrainStuff

Do clocks really follow a system inherited from ancient Sumeria?

Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique, along with why it can be dangerous, on this week's episode of BrainStuff.

Spoiler Alert: No, dry cleaning isn't dry. Instead, it uses a petroleum solvent in place of water. Learn more about dry cleaning in this episode of BrainStuff.

When (dental) metal in your mouth comes in contact with aluminum foil, your teeth get a painful shock from the electricity produced. Christian Sager explains how the voltaic effect plays out in...

Ugh. Mosquitoes, right? They’re the worst. They pester everyone… or do they? Tune in to learn more.

Sea Monkeys are a type of brine shrimp. These shrimp create remarkably resilient eggs called cysts. Check out this BrainStuff episode and learn more about the secret behind Sea Monkeys.

When it comes to where you should sit in a movie theater to get the best experience, it's mostly a matter of preference. Except when it comes to sound. Find out why -- and where you should sit --...

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. Tune in to learn what the Birthday Paradox is and how it works.

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.

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

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...

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.

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?

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

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...

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?

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...

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...

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.

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.