Scientists turn E. coli bacteria into a mercury sensor gopalkumarthakur@gmail.com 1 year ago Just 25 nanomoles of mercury, well below the WHO safety limit, produced a readable current within three hours Related posts: Scientists find gene that keeps rice from breaking during milling NASA plans to build a nuclear reactor on the moon A bistable gene in a deadly bacterium offers a clue to beating it How charge-coupled devices revolutionised digital imaging