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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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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Billions of neutrinos pass unnoticed through your body every second.
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Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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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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Nylon is made from coal and petroleum.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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