In zero gravity, a candle's flame is round and blue.
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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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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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Each day, up to 150 species of life become extinct.
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Your brain is 80% water.
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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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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 attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
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