100 Facts You Won’t Believe Are Real

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You burn more calories sleeping than you do watching television.

To escape the grip of a crocodile’s jaws, push your thumbs into its eyeballs — it will let you go instantly.

If NASA sent birds into space they would soon die; they need gravity to swallow.

Pearls melt in vinegar.

When hippos are upset, their sweat turns red.

It is physically impossible for pigs to look up into the sky.

It is impossible to lick your elbow

If you lift a kangaroo’s tail off the ground it can’t hop.

Rats and horses can’t vomit.

Women blink nearly twice as much as men.