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TIL Human teeth are the only part of the body that cannot heal themselves. Teeth are coated in enamel which is not a living tissue.

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MenG7 TIL that for some reason Chinese media has explicitly banned the phrase “green tea bitch”
e0rBg TIL that U.S. area codes were influenced by the rotary dial, where smaller numbers are dialed faster than longer ones. The first digit could not be one or zero, but the second had to be one or zero. Therefore, the most quickly dialed code was 212; the slowest was 909. This system existed until 1995.
9YRar TIL the song Over the River and Through the Wood is actually about Thanksgiving, and although we don't usually associate Thanksgiving with snow, at the time it was written, in the early 19th century, New England was going through the Little Ice Age.
Z8p7D TIL That Roman Polanski played a French Policeman in Rush Hour 3, Directed by Brett Ratner
l767V TIL attempted suicide was illegal in Britain in the late 19th century. The sentence? Hanging.