An average smartphone contains about 0.034 grams of gold, tiny in each device, but millions of phones make those bits add up ...

If all 62 million metric tons of electronic waste the world produces in a year were loaded into garbage trucks, they’d encircle the planet bumper to bumper, according to a recent United Nations report ...

Justin M. Chalker is an inventor on patents associated with the gold leaching and recovery technology. Both patents are wholly owned by Flinders University. This research was supported financially by ...