It takes about 20 seconds for a red blood cell to circle the whole body. See more

An average secretary's left hand does 56% of the typing. See more

Like fingerprints, everyone's tongue print is different. See more

Cats have over one hundred vocal sounds, dogs only have about ten. See more

Fingernails grow nearly 4 times faster than toenails. See more

Calculating DNA length for each person, it would stretch across the diameter of the solar system. See more

Crocodiles swallow stones to help them dive deeper. See more

The cigarette lighter was invented before the match. See more

Human thigh bones are stronger than concrete. See more

Maine is the only state in the US whose name is just one syllable. See more

Bulls are not attracted to the colour red. See more

The very first Olympic race, held in 776 BC, was won by Corubus, a chef. See more

The only 15 letter word that can be spelled without repeating a letter is "uncopyrightable". See more

The most popular requested boat name is "Obsession". See more

Coca-Cola was originally green. See more

Ketchup was sold in the 1830's as medicine. See more