Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
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The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
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On average, the life span of an American dollar bill is eighteen months.
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The Bank of America was originally the Bank of Italy!
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During his or her lifetime, the average human will grow 590 miles of hair.
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The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
On average, 100 people choke to death on ballpoint pens every year.
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