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If We Can Put A Man On The Moon, We Can Surely Build A Better Toilet
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Bill Gates wants to reinvent the toilet, but not the kind in your house. No, he wants to replace the pit latrines and holes used in poor countries -- covering about 40% of the world's population -- with toilets that don't use water but can process poop into clean water and fertilizer within 24 hours. And he's putting up millions to do it, with eight engineering teams from around the world working on it. We laugh at the very word "toilet," but if they can pull this off, it could make a huge advance against disease. (CBC)
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