German chemists made a replica of a trophy the size of one molecule.
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Indoor pollution is 10 times more toxic than outdoor pollution.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
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