There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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In zero gravity, a candle's flame is round and blue.
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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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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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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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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
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