Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
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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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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Some toothpastes and deodorants contain the same chemicals found in antifreeze.
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