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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No matter how cold it gets, gasoline will not freeze.
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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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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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A cesium atom in an atomic clock beats over nine billion times a second.
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One 75-watt bulb gives more light than three 25-watt bulbs.
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