Male lions can sleep for up to 20 hours a day. See more

"Dreamt" is the only English word that ends in the letters "mt". See more

Plants that are not cared for will cry for help, a thirsty plant will make a high-pitched sound that is too high for us to hear. See more

There are 100 million internet users in China. Some of the sites they can't access are BBC news, Amnesty International and Dalailama.com. See more

A single individual, Dr. Lieven P. Van Neste, owns over 200,000 domain names! See more

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

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

America puts many more of its citizens in prison than any other nation. See more

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