During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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German chemists made a replica of a trophy the size of one molecule.
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There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
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According to studies, men change their minds two to three times more often than women.
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Sound travels fifteen times faster through steel than through air.
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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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