The key to happiness is spending your money on experiences rather than possessions, according to studies.
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You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
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The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
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When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
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The human eye blinks an average of 4,200,000 times a year.
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In Tokyo, a bicycle is faster than a car for most trips of less than 50 minutes!
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Blue eyes are the most sensitive to light, dark brown the least sensitive.
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Caffeine boosts memory.
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