EXCLUDING mechanical, smelting, and amalgamation processes, the methods of extracting gold from its ores may conveniently be grouped together under the heading of wet or chemical methods. In these, ...

Researchers at Flinders University revealed a method to extract gold from both ore and electronic waste using a mix of saltwater, ultraviolet (UV) light, and a recyclable polymer. This technique ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

The extraction methods currently in use consume a lot of energy and are detrimental to the environment. The method of roasting is particularly dangerous for its practitioners and the environment ...