Silver, copper eclipse gold as top metals bets on supply fears
Since bullion hit a record on Oct. 20, it’s moved mostly sideways, while silver has gained more than 11% to a fresh record and copper has climbed almost 9%.
Cheesemaking material used to recover gold from e-waste
Researchers at ETH Zurich have managed to recover gold from electronic waste using a byproduct of the cheesemaking process. In a paper published in the journal Advanced Materials, soft condense matter scientist Raffaele Mezzenga and his team explain how using...
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