Dentyne gum was invented in 1899 by a druggist from New York named Franklin V. Canning.

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

Sound travels up to 15 times faster through steel than air, at speeds up to 19,000 feet per second.

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