The life of a discarded smartphone does not end when its owner gets a shiny new replacement. Many people cast the old model aside, sending the bundle of metal, battery acid, and plastic to a landfill, ...
1don MSN
This electronic device we all throw away hides 450 milligrams of 22-carat gold, say Swiss scientists
These days, there is an assumption worldwide that gold should be purchased for future investment. All the big investors would suggest buying gold as the best way to invest the money. Scientists at ETH ...
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