In 1958, a nuclear bomb was lost during an aircraft collision during exercise near Savannah, GA. It's whereabouts remain unknown to this day

80% of all Soviet males born in the year 1923 died in World War II

The Aztecs sacrificed 250,000 people a year, about 1% of their population

The term soccer originated in England, first appearing in the 1880s as an Oxford "-er" abbreviation of the word "association"

A subatomic particle (like an electron or photon) can exist in two places at the same time

On Saturn's moon Titan, gravity is so low and the atmosphere is so thick that humans could fly by flapping arms like wings