Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Balsa wood is classified as a hard wood!
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The earth is approx. 6,588,000,000,000,000,000 tons.
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German chemists made a replica of a trophy the size of one molecule.
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Most dust particles in your house are made from dead skin!
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A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
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Cold water weighs more than hot water.
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