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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Aluminum used to be more valuable than gold!
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The sun is 330,330 times larger than the earth.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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Pumice is the only rock that floats on water.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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