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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Sound travels about 4 times faster in water than in air.
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At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
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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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Liquid TIDE laundry detergent glows under a blacklight.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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