Sony researchers have developed a refrigerator that only opens when you smile.
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The longest Monopoly game in history lasted 70 straight days.
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The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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