Source: treehugger.com Published: July 25, 2017 © Kikando By Kimberley Mok The lack of clean water has become a serious problem worldwide, thanks to industrial contamination, agricultural and urban pollution, and even from seemingly innocuous acts such as washing...
Source: kqed.org Published: August 15, 2016 The tiny water purifier doesn’t require batteries and uses the visible spectrum of light to help kill bacteria. (Chong Liu and Jin Xie/Stanford University) Lindsey Hoshaw A tiny black tablet could prove to be a...
