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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One ragweed plant can release as many as one billion grains of pollen!
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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One 75-watt bulb gives more light than three 25-watt bulbs.
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Most dust particles in your house come from dead skin.
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Nearly 50% of the world's scientists are assigned to military projects.
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