Gold mining can be a dirty business. Even with relatively rich deposits, usually found in remote areas, you need giant ...

(We wore out several pairs of gloves in the process.) We used mercury to actually extract the gold from the powdered rock. Gold, like most minerals, can be 'dissolved' in mercury to create what's ...

Using textiles, researchers from the Korea Institute of Science and Technology (KIST) have improved the efficiency of extracting gold from electronic waste, according to a new study in the ...