KEDOUGOU, Senegal (AP) — The quickest way to separate gold from rock, Sadio Camara says, is with a drop of mercury. She empties a dime-sized packet of the silvery liquid into a plastic bucket of muddy ...
At Flinders University, scientists have cracked a cleaner and greener way to extract gold—not just from ore, but also from our mounting piles of e-waste. By using a compound normally found in pool ...
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. KEDOUGOU, Senegal (AP) — The quickest way to ...