Weird facts about weird things

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Here are some weird or interesting things that I know:*The main library at Indiana University sinks about an inch each year, because when it was built, engineers failed to take into account the weight of all the books that would occupy the building!*Our eyes are always the same size from birth, but our nose and ears never stop growing. (They don't?!)*The cigarette lighter was invented before the match.*Americans on average eat 18 acres of pizza everyday. Got any interesting stuff that you might want to share?