An Octopus has 3 hearts. See more

A rat can last longer without water than a camel can. See more

Your skin weighs about 3.2 kg. See more

Leather has enough nutritional value to sustain life for a short time. See more

A group of crows is called a murder. See more

Starfish haven't got brains. See more

One quarter of the bones in your body, are in your feet. See more

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

The can opener was invented 48 years after cans were introduced. See more

The screwdriver was invented before the screw. See more

You're born with 300 bones, but when you get to be an adult, you only have 206. See more

Venus is the only planet in the solar system to spin backwards. See more

Hydrogen is an explosive gas. Oxygen supports combustion. Yet when these are combined it is water which is used to put out fires. See more

Stewardesses is the longest word typed with only the left hand. See more

Bubble gum and fairy floss were invented by dentists. See more

The starfish is one of the only animals who can turn it's stomach inside-out. See more