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Scientists find gold worth $2 million in Swiss sewage
Scientists have struck gold in an unlikely place: Swiss sewage and waste water treatment plants. An estimated 95 pounds of gold is flushed through Swiss sewage systems each year, according to a study by the aquatic science institute Eawag. The lost gold is worth nearly $2 million at current prices. The researchers believe the tiny flecks of gold flow into the waste water system from the country's famed watchmaking industry and gold refineries. The study, commissioned by the Swiss Federal Office for the Environment, involved surveys of 64 waste water treatment plants across the country. Some areas had higher ... (full story)