This ancient Egyptian practice can cheaply purify dirty water
June 13, 2015, www.sciencealert.com | “The seeds of the Moringa oleifera tree have been used to purify water and clean crockery since the days of ancient Egypt, but up until now scientists weren’t sure exactly how they worked. Thanks to a new paper published in the journal Langmuir by researchers at Pennsylvania State University, part of the mystery has now been solved.”
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