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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. See more »

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? See more »

Do Juice Cleanses Work?

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

What Is The Dwarf Planet Ceres?

What Is The Dwarf Planet Ceres? See more »

Why Does Coffee Make You Have To Poop?

Christian explains why coffee makes many people have to go to the bathroom. See more »

How Does The Placebo Effect Work?

A placebo is a phony drug used to test the efficacy of real drugs in clinical trials… but here’s the weird part. Sometimes, placebos can make patients better. How? Why? See more »

How Do Antiperspirants Work?

Every day, millions of people safeguard themselves against excessive sweat with a quick roll of antiperspirant. But what does this stuff do, exactly? See more »

Can You Reach The End of a Rainbow?

The end of the rainbow may be the best place to raid a leprechaun stash, but it proves a strangely difficult destination to reach. Christian explains why you can’t get there, and why there really isn’t even a a “there” there. See more »

Why Are Some People Afraid of Clowns?

Clowns are usually brightly-colored, goofy, raucous characters designed to be the life of any party. However, it’s no secret that they’re not universally adored. In fact, some people find clowns downright frightening. But why? See more »

Is a "Dog Year" Really 7 Years?

You may have heard that dogs age differently than humans. But is it true? Get the facts on your pooch without having that ever-awkward “so… how old are you really?” conversation. See more »

How Does Jet Lag Work?

Yeah, your sleeping pattern gets screwy when you fly to different time zones. But what are the symptoms of jet lag? What causes it? And how can you remedy it? See more »

Why Does The Shower Get Hot When The Toilet Is Flushed?

Were you burned the last time someone flushed the toilet while you were showering? It's a simple plumbing fix. See more »

How Do You Find Water In The Wild?

In case you ever get stranded in the wild without an obvious source of fresh water, here are a few things you can do to collect some. See more »

What Are Eye Boogers?

The gunk builds up at the inner corners of our eyes is residue of the stuff the coats and protects our eyeballs all the time. Learn what it’s made of and why it turns to sand overnight. See more »

Why Do We Get Morning Breath?

Every morning we wake up with bad breath. What does bacteria and a lack of saliva have to do with it? See more »

Do Animals Laugh?

It’s no secret that some animal species are highly intelligent – but do they also “get” jokes? Can they laugh? Are laughter and intelligence even related? See more »

How Much Does It Cost To Run For President?

There’s a big difference between running for President and actually winning the election. So how much money will you need to have a decent shot at being Commander-in-Chief? See more »

Can I See the Stuff Astronauts Left On the Moon?

Astronauts left over a hundred items on the moon's surface. But are today's telescopes powerful enough to see what's there? See more »

What Would Space Do To The Human Body?

Space without a suit? You’ll probably die from the lack of pressure in a vacuum. But other extreme hazards won’t help either. See more »

Does "Power Dressing" Actually Work?

Dressing up to feel powerful may have been a fashion fad of the 1980s, but do we still think differently if we wear formal clothes? See more »