Tag: Urban Mining

  • The Tiny Bacterium That Turns Toxic Metal Into Pure 24-Karat Gold

    The Tiny Bacterium That Turns Toxic Metal Into Pure 24-Karat Gold

    For most of us, gold is something we picture in jewelry stores or deep underground, not growing quietly in polluted soil. Yet scientists have discovered a tiny bacterium, Cupriavidus metallidurans, that can survive in places loaded with toxic metals and, in the process, turn some of that metal into pure 24 karat gold. It does…