Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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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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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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The bark of an older redwood tree is fireproof.
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Iron weighs more after it rusts.
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Nearly 50% of the world's scientists are assigned to military projects.
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