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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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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One ragweed plant can release as many as one billion grains of pollen!
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A cesium atom in an atomic clock beats over nine billion times a second.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
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A ball of glass will bounce higher than a ball made of rubber.
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Scientists aren't sure what color dinosaurs were.
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