October 13, 2017・Fun on Friday
Fun on Friday: Excrement of the Gods
The Aztecs described gold as the “excrement of the gods.” Apparently, it’s also the excrement of mere mortals. In a widely circulated story, the Swiss Federal Institute of Aquatic Science and Technology (EAWAG) reports that about $3.6 million in gold and silver are lost each year in wastewater and sludge discharged from Swiss wastewater plants each […]