Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
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Some toothpastes and deodorants contain the same chemicals found in antifreeze.
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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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Billions of neutrinos pass unnoticed through your body every second.
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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
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