Dogs have been man's pet for over 14,000 years.
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The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
When dragonflies mate, their tails form a love heart.
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Lurch, a Watusi bull, had the largest horns in the world.
32
When you shave a guinea pig it looks like a little hippo.
19
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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