The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
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One cubic foot of gold weighs more than 1,200 pounds!
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When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
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The smell of freshly cut grass is actually a plant distress call.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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Nearly 50% of the world's scientists are assigned to military projects.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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