The Olympic flag's colors are always red, black, blue, green and yellow rings on a field of white. This is because at least one of those colors appears on the flag of every nation on the planet.

Tycho Brahe, a 16th century astronomer, lost his nose in a duel with one of his students over a mathematical computation. He wore a silver replacement nose for the rest of his life.

The city of Los Angeles has about 3x more automobiles than people.

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