THE HUMAN BRAIN

What are dreams really made of? Are humans the smartest animal? What causes schizophrenia? Travel inside the mind and find out how the human brain works.
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How Polyphasic Sleep Works

Newly minted parents do it. Night-shift workers do it. Men and women in the service do it, too. Could you trade a continuous stretch of sleep for a bunch of naps throughout the day, too?

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  • 10 Amazing Things People's Brains Have Done

    10 Amazing Things People's Brains Have Done

    The human brain can do some amazing things -- and humans can do amazing things because of it. Here are 10 of the most wondrous and unusual feats ever performed by a person's brain. See more »

  • 10 Really Smart People Who Did Really Dumb Things

    10 Really Smart People Who Did Really Dumb Things

    Having a Ph.D., four stars on your general's uniform or a seat in the Oval Office won't necessarily stop you from doing things that make others want to whack you on the head with a "how could you?" Here are 10 who should've thought twice. See more »

  • 10 Studies Connecting Completely Bizarre Things

    10 Studies Connecting Completely Bizarre Things

    It's a wild world. One with all kinds of kooky and unexpected connections. Like the one between big brains and binge drinking. Or big brains and big hips. Here's a look at some of the head scratching-est correlations uncovered by researchers. See more »

  • 5 Ways Your Brain Influences Your Emotions

    5 Ways Your Brain Influences Your Emotions

    Don't think of emotions as just "feelings." They're also the product of how your brain processes your feelings and how you respond to them. See more »

  • Are humans the smartest animal?

    Are humans the smartest animal?

    We'd like to think we're pretty clever, but when you correct for body mass, dolphin brains aren't far off from our own. What cognitive skills do dolphins possess, and could they really be our intellectual equals? See more »

  • Are left-handers quicker thinkers than righties?

    Are left-handers quicker thinkers than righties?

    Scientific studies are showing that lefties are quicker and more adroit in some activities than their right-handed counterparts. How true is this idea? See more »

  • Are lefties better at sports?

    Are lefties better at sports?

    The trials of being a lefty are numerous. You jostle for elbow room at the table, use scissors that feel funny in the hand and are teased for writing oddly. But do beleaguered lefties get the last laugh in sports? See more »

  • Are people in police custody dying of excited delirium?

    Are people in police custody dying of excited delirium?

    Medical examiners are attributing an increasing number of deaths while in police custody to a syndrome called excited delirium. The problem is, there's no proof this syndrome exists. See more »

  • Are teenage brains really different from adult brains?

    Are teenage brains really different from adult brains?

    Parents just don't understand. Scientists didn't understand either, until they got a good look inside the teenage brain -- and what they saw turned what we thought we knew on its head. See more »

  • Are you really only using 10 percent of your brain?

    Are you really only using 10 percent of your brain?

    It doesn't exactly seem like something the human body would do -- let a large portion of itself go to complete waste. Is it true that most of your brain is on permanent hiatus? See more »

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