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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Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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Balsa wood is classified as a hard wood!
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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Most dust particles in your house are made from dead skin!
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A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
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There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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