The force of a suction cup is calculated using F=AP.
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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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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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Some toothpastes and deodorants contain the same chemicals found in antifreeze.
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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