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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Scientists in Germany have developed a candy that doesn't cause cavities.
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For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
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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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In zero gravity, a candle's flame is round and blue.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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One ragweed plant can release as many as one billion grains of pollen!
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