Researchers at the University of Edinburgh discovered that bacteria found in areas polluted by acid mine drainage had the potential to detoxify the environment.
Despite gold's price slump, strong copper and iron ore prices lifted MINING.COM's ranking of the world's 50 most valuable miners to a new record high of $1.35 trillion.
The firm’s primary listing could come into focus due to a lack of shareholder support for a plan to split off its coal business and list it separately in New York.