Thomas Edison designed a helicopter that would work with gunpowder. It ended up blowing up and also blew up his factory. See more

It took approximately 2.5 million blocks to build the Pyramid of Giza, which is one of the Great Pyramids. See more

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

All of the clocks in the movie "Pulp Fiction" are stuck on 4:20. See more

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

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

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

Pearls melt in vinegar. See more

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

American adults have been educated for the longest time. See more

Sex burns 360 calories per hour See more

Turtles can breathe through their butts. See more

The average person eats eight spiders in their sleep in their whole entire lifetime! See more

The vocabulary of the average person consists of 5,000 to 6,000 words. See more