US, China Spar Over Trade at WTO

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The United States and China blamed each other for the crisis in the world trading system during a two-day "trade policy review" of the United States at the World Trade Organization. The Chinese representative to the WTO, Hu Yingzhi, accused the United States of deforming…


Project Recycles Human Urine as Fertilizer

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Fertilizer is made of nutrients like nitrogen and phosphorus. Chemical fertilizers require huge amounts of energy to produce. But there are other, natural and more readily available sources. A project at the University of Michigan is aimed at making our water cleaner and our agriculture…