Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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The average home creates more pollution than does the average car.
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Aluminum used to be more valuable than gold!
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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In zero gravity, a candle's flame is round and blue.
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One third of the electricity produced on earth is used to power electric light bulbs!
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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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