An alligator can go through 3,000 teeth in a lifetime.

A fish with a large penis on its head was recently discovered in Vietnam. The penis has a rod and jagged hook used for grabbing the female during sex. Although its scientific name is Phallostethus Cuulong, its nickname is "penis head."j.

Bill Gates' first business was Traff-O-Data, a company that created machines which recorded the number of cars passing a given point on a road.

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