Our eyes are always the same size from birth, but our nose and ears never stop growing. See more

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

Babies crawl an average of 200 meters a day. See more

You will have to walk 80 kilometers for your legs to equal the amount of exercise your eyes get daily. See more

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

The magnetic North Pole shifts by about 7 meters a day. See more