The symbol on the 'pound' key (#) is called an octothorpe.
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There are 635,013,559,599 possible hands in a game of bridge.
39
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
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Caffeine boosts memory.
405
The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7
Linen can absorb up to 20 times its weight in moisture before it feels damp!
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You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
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No piece of square dry paper can be folded more than 7 times in half!
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