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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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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The average temperature at 40,000 feet above sea level is -60 F.
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Sound travels about 4 times faster in water than in air.
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Balsa wood is classified as a hard wood!
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The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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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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