Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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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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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
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The sun is 330,330 times larger than the earth.
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Sound travels fifteen times faster through steel than through air.
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A cesium atom in an atomic clock beats over nine billion times a second.
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Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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