When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Passengers on the Beijing subway can pay with plastic bottles.
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There are 635,013,559,599 possible hands in a game of bridge.
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A jiffy is an actual unit of time for 1/100th of a second. Thus the saying, I will be there in a jiffy.
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There are more telephones than people in Washington, D.C.
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The chills you sometimes feel when listening to music is called "musical frisson."
18
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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