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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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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Aluminum used to be more valuable than gold!
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One ragweed plant can release as many as one billion grains of pollen!
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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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Balsa wood is classified as a hard wood!
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If the chemical sodium is dropped into water it will immediately and violently explode.
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