The spots and colors you see when you rub your eyes are called "phosphenes."

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Without skin, a person can live for only 30 seconds.

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You can't kill yourself by holding your breath.

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Cheetahs don't roar -- Instead, they meow like house cats.

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Laughter and social status have a close connection: the higher your position in society, the less often you will laugh.

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Rats and Horses can't vomit.

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Originally, the tie was invented to distinguish the rich from the poor.

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Some people can remember almost every day of their lives. The condition is called "Hyperthymesia."

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Male elephants use their penises to scratch their stomachs.

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Yawning doesn't always necessarily mean you're tired, it also means your body needs more oxygen.

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Girls see with their side vision 75% better than men.

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It would take one month for a sloth to travel a mile.

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There is a university in Britain that teaches students prostitution.

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Dogs lick their noses to boost their sense of smell.

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There is a snake in Africa whose venom causes your blood to not only stop clotting but to come running out of every hole on your body. Its called the boomslang snake.

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Klazomaniac: A person who cannot speak without shouting.

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The Internet was called “The Galactic Network” when it was first created.

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Gamophobia is the fear of marriage, relationships or commitment.

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Don't believe the movies!

It takes as long as 5 minutes to put a person to sleep with chloroform.

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Today, you are the oldest you've ever been and the youngest you'll ever be.

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