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Purifying contaminated water with crab shells

Copper and cadmium exist naturally in the environment, but human activities including industrial and agricultural processes can increase their concentrations. At high concentrations, copper can cause unwanted health effects ...

dateAug 25, 2015 in Environment
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Danny the 'degenerate' followed by two lows

Danny has become a degenerate, that is, the tropical depression weakened. Satellite and Hurricane Hunter aircraft data showed that Danny degenerated into an elongated area of low pressure near the Windward Islands during ...

dateAug 24, 2015 in Earth Sciences
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