The worlds oldest piece of chewing gum is over 9000 years old!
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In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
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There are 365 steps on the front of the U.S. Capitol Building - one for every day of the year.
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Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
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The oldest living person smoked cigarettes from the age of 21 to 117.
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You can immediately cool down a car that has been sitting under the sun by rolling down the window on one side and opening-closing the door on the other side 5-6 times.
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Passengers on the Beijing subway can pay with plastic bottles.
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