A hardworking bacterium has been put to labor in a Brazilian copper mine. (Louise H. Gracioso)Scientists have discovered a bacterium that can transform waste from copper mining into a more useful form of pure copper, providing a potentially inexpensive and environmentally friendly way to synthesize the valuable metal and clean up polluted environments.Enter code here  Scientists have discovered a bacterium that can transform waste from copper mining into a more useful form of pure copper, providing a potentially inexpensive and environmentally friendly way to synthesize the valuable...…A hardworking bacterium has been put to labor in a Brazilian copper mine. (Louise H. Gracioso)Scientists have discovered a bacterium that can transform waste from copper mining into a more useful form of pure copper, providing a potentially inexpensive and environmentally friendly way to synthesize the valuable metal and clean up polluted environments.Enter code here  Scientists have discovered a bacterium that can transform waste from copper mining into a more useful form of pure copper, providing a potentially inexpensive and environmentally friendly way to synthesize the valuable...WW…