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 learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
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A cesium atom in an atomic clock beats over nine billion times a second.
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Sound travels fifteen times faster through steel than through air.
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In zero gravity, a candle's flame is round and blue.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Research indicates that plants grow healthier when they are stroked.
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