@CNN: Scientists have struck gold in an unlikely place: Swiss sewage and waste water treatment plants… https://t.co/TjbyMtz0M8
Scientists have struck gold in an unlikely place: Swiss sewage and waste water treatment plants https://t.co/GswwBqeYjM http://pic.twitter.com/sFfb4uRFJN
— CNN (@CNN) October 12, 2017