The trickiest tongue twister in the English language is apparently "Sixth sick sheik's sixth sheep's sick". Give it a try and see for yourself.

The first fossilized specimen of Australopithecus afarenisis was named Lucy after the paleontologists' favorite song "Lucy in the Sky with Diamonds," by the Beatles.

The noise that is thunder is created when the air around lightning gets rapidly heated and expands at a rate faster than the speed of sound.

AMAZING FACTS