Global Technology – February 2012

Now let’s focus on this month’s most important advances in technology.  We’ll begin with a breakthrough that promises to quench the developing world’s thirst for clean drinking water. Today, more than 1 billion people lack access to clean drinking water.  However, a natural substance obtained from the seeds of the Moringa oleifera, or “miracle tree” plant already grown in equatorial regions for food, traditional medicine, and biofuel, could purify and clarify water inexpensively and sustainably. Research on a sustainable water-treatment process that requires only the miracle tree seeds and sand was recently published in the American Chemical Society journal, Langmuir. Prior research showed that a protein in Moringa seeds could be used to clean water, but using that approach was...

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