One third of the electricity produced on earth is used to power electric light bulbs!
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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 have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Nylon is made from coal and petroleum.
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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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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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