@CNN: Scientists have struck gold in an unlikely place: Swiss sewage and waste water treatment plants… https://t.co/K0hAYkrMSu
Scientists have struck gold in an unlikely place: Swiss sewage and waste water treatment plants https://t.co/yTSRmfEQkU http://pic.twitter.com/6nPoCOuP89
— CNN (@CNN) October 11, 2017