It is impossible for a human to lick their elbow. See more

Goldfish have the memory span of about 3-5 seconds. See more

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

A teaspoon of neutron star material weighs about 110 million tons. See more

It is possible to lead a cow upstairs but not downstairs. See more

Eagles mate while airborne. See more

Adolf Hitler was a vegetarian. See more

111,111,111 x 111,111,111 = 12,345,678,987,654,321. See more

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