By analyzing the structure of coal from different deposits in the Amur River region for 15 years, the group realized that each ton of solid fuel from the Erkovetskiy basin contains about a gram of the precious metal. The ratio of gold to coal was ascertained through actual extraction and filtration. So far though, the filtration process has only been experimentally tested, but it is slated for installation... 

Iranian researcher Kazem Kashefi along with his American colleague Adam Brown has created gold in Michigan State University using bacteria in a way called ‘microbial alchemy’. Kashefi and Adam Brown used a special type of bacterium to turn liquid gold into more valuable 24-karat gold. They reported that the bacteria Cupriavidus metallidurans is capable of resisting the toxic effects of...