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

Lightning strikes about 6,000 times per minute on this planet. See more

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

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

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

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

Human thigh bones are stronger than concrete. See more

Fingernails grow nearly 4 times faster than toenails. See more

Crocodiles swallow stones to help them dive deeper. See more

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

Electricity doesn't move through a wire but through a field around the wire. 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

Coca-Cola was originally green. See more

A boeing 747's wingspan is longer than the Wright brothers' first flight (120 feet/36 meters). See more