Before Oregon was known for timber, it was known for gold. That’s the underlying message of the new book “Oregon Gold: A History of Mining from the Civil War into the Progressive Era.” Its author, ...
New technologies, international partnerships and luxury buyers are driving a global shift toward sustainable, mercury-free gold. Courtesy Pure Earth Gold has captivated humanity for millennia, ...
Chinese scientists have unlocked a method to harvest gold from electronic waste at a cost less than a third of the present market price. This gold-mining method can extract precious metals from ...