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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German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
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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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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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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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The sun is 330,330 times larger than the earth.
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