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Browsing the "sand" Tag

Clean Tech is all wet

April 14th, 2009 | by Jeff Kart

Summer’s comin. Sun, sand, beach and shiga toxin. Shiga toxin? Yep, it’s a gene that can make swimmers sick. And [&hellip


Revved-Up Sand Could Purify Water

March 11th, 2009 | by Tina Casey

First there was the Life Straw.  Then there was the Aquaduct Tricycle.  Now ordinary sand could provide an answer to [&hellip



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