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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The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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A cesium atom in an atomic clock beats over nine billion times a second.
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