human behavior library

 

Human Behavior covers a variety of mysterious, engaging topics. Learn about fear, hiccups, tattoos, and more in this section.

Featured Article:  What if I stuck my finger in an electrical outlet?

Each year, approximately 4,000 people go to the emergency room for injuries caused by accidents involving electrical outlets. While this number seems high, even more people never make it to the hospital. They die. See more »

What if I ate the silica packets marked "do not eat"?

What if I ate the silica packets marked "do not eat"?

Silica packets most likely contain silica gel or some other desiccant -- something that absorbs (collects) and holds water vapor. What would happen if you put that gel in your mouth?

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What if I crossed my eyes for 10 minutes?

What if I crossed my eyes for 10 minutes?

"Don't cross your eyes -- they'll stick that way!" That's something most of us have heard from our mothers at one time or another. Can your eyes really get stuck?

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What if I stuck my finger in an electrical outlet?

What if I stuck my finger in an electrical outlet?

Each year, approximately 4,000 people go to the emergency room for injuries caused by accidents involving electrical outlets. While this number seems high, even more people never make it to the hospital. They die.

See more »
What makes us yawn?

What makes us yawn?

Yawn, and the whole world yawns with you. Yawning is definitely contagious -- find out why.

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What's a blue zone, and am I living in one?

What's a blue zone, and am I living in one?

Have people in blue zones discovered the so-called Fountain of Youth? Blue zone inhabitants are frequently reaching 90, or even well past 100 years of age. Is it possible to create your own blue zone?

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Why do people blush?

Why do people blush?

Blushing comes from the same system that causes your fight-or-flight response. But why do your cheeks flush? Is it some kind of universal, wordless apology?

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Why does my stomach growl?

Why does my stomach growl?

Whether you call it grumbling, gurgling or growling, sometimes your belly just won't keep quiet. What makes your stomach growl, and why does it seem to happen at the worst times?

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How can a PlayStation 3 donate its processing power to medical research?

Playstation 3 owners can donate their consoles' processing power to scientific research. What is this research focused on achieving? Find out the answer to that question in this article.

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What is lucid dreaming?

Have you ever realized that you're dreaming while you're asleep? If so, you've had a lucid dream.

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Why are boogers sticky?

You may never have thought about it (unless your child asks), but boogers are sticky for a perfectly logical scientific reason.

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Can nasal sprays be addictive?

Nasal decongestants help many of us get through the workday while we're sick. But why would they be addictive?

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How does the Nobel Prize Work?

We've all heard about this prestigious prize, but why is it such an honor, exactly? Learn the history and process of the awards and the winners, and see what makes the Nobel Prize such a distinguished accomplishment.

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