Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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A cow produces around 200,000 glasses of milk in her lifetime.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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Only about 2% of the world population has green eyes.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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