Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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If the chemical sodium is dropped into water it will immediately and violently explode.
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The average temperature at 40,000 feet above sea level is -60 F.
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Most dust particles in your house come from dead skin.
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German chemists made a replica of a trophy the size of one molecule.
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Billions of neutrinos pass unnoticed through your body every second.
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A cesium atom in an atomic clock beats over nine billion times a second.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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