Leonardo Da Vinci invented the scissors. See more

The average life expectancy of a toilet is 50 years. See more

Heroin used to be a cough medicine for children. A German company (Bayer) registered heroin as a trademark. See more

A crocodile's tongue is attached to the roof of its mouth and he cannot move it. See more

A cow gives nearly 200,000 glasses of milk in her lifetime. See more

You use over 70 muscles to say one word. See more

In Switzerland, it's against the law to slam your car door. See more

A cat has 32 muscles in each ear. See more

An octopus in danger can squirt a stream of ink at its attacker. See more