Archive for June 2015

This ancient Egyptian practice can cheaply purify dirty water

Yet another example of the extraordinary gifts provided to us by nature:

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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Nature is full of these gifts, but the way we live ignores them, turning instead to patentable alternatives, usually carrying health risks of one sort or another.

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