Health - Google News: From Bill Gates, A Toilet Challenge Spills Forth - NPR

Health - Google News Google News

From Bill Gates, A Toilet Challenge Spills Forth - NPR Aug 15th 2012, 07:33 CBS News From Bill Gates, A Toilet Challenge Spills Forth NPR by AP SEATTLE (AP) — These aren't your typical loos. One uses microwave energy to transform human waste into electricity. Another captures urine and uses it for flushing. And still another turns excrement into charcoal. Bill Gates seeks answers in the toiletCNN (blog) Bill Gates challenges scientists to reinvent toiletTelegraph.co.uk all 562 news articles »

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