Acorns were used as a coffee substitute during the American Civil War. See more

In 10 minutes, a hurricane releases more energy than all of the world's nuclear weapons combined. See more

In fact, Einstein couldn't speak fluently when he was nine. His parents thought he might be retarded. See more

There are more bacteria in your mouth than the human population of the U.S.A. and Canada combined. See more

You can be imprisoned for not voting in Fiji, Chile and Egypt - at least in theory. See more

The USA has more personal computers than the next 7 countries combined. See more

Toxic house plants poison more children than household chemicals. See more

Sex burns 360 calories per hour See more

Most marine fish can survive in a tank filled with human blood. See more