Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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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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Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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A single speck of dust is half way in size between a subatomic particle and the Earth.
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