Pigs can't sweat because they don't have sweat glands. See more

A pig's orgasm lasts for 30 minutes. See more

The hairs on a polar bear are not white, but clear. They reflect light, so they appear white. See more

Penguins are not found in the North Pole. See more

In ancient Egypt, priests plucked every hair from their bodies. See more

Ostriches stick their heads into the sand to find underground drinking water. See more

An Octopus has 3 hearts. See more

Your nose smells best when you are about 10 years old. See more

A teaspoon of neutron star material weighs about 110 million tons. See more