Manicuring the nails has been done by people for more than 4,000 years.

In Canada, the $1 and $2 come in the form of coins. The $1 is nicknamed a "loonie" because it contains a loon on it and the $2 is nicknamed the "twonie" because it is the equivalent of two "loonies."

In China, September 20 is "Love Your Teeth Day."

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