The horn of a rhinoceros is made from compacted hair rather than bone or another substance.

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.

In 1993, the board of governors at Carl Karcher Enterprises voted (5 to 2) to fire Carl Karcher. Carl Karcher is the founder of Carls Jr. restaurants.

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