Researchers at the University of Notre Dame invented a new class of molecules whose shape and size enable them to capture and contain precious metal ions.
Congolese-American businessman and convicted fraudster Charles Brown claims he's owed $1 billion in compensation for a 19% stake he previously held in Mutanda Mining, and which Glencore allegedly sold in two fraudulent transactions, in 2007 and 2012.
Sibanye has faced strong criticism from unions, local media and the government after the earthquake at its Driefontein gold mine that killed the miners.
The South African company, which competes with AngloGold , Gold Fields and Sibanye-Stillwater at home, sold 55 million new shares, or 15 percent stake, at 19.12 rand each, an 11.7 percent discount to the closing price on Tuesday.