Duke University

Boy moms more social in chimpanzees

Nearly four decades of observations of Tanzanian chimpanzees has revealed that the mothers of sons are about 25 percent more social than the mothers of daughters. Boy moms were found to spend about two hours ...

Nov 24, 2014
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Water-quality trading can reduce river pollution

Allowing polluters to buy, sell or trade water-quality credits could significantly reduce pollution in river basins and estuaries faster and at lower cost than requiring the facilities to meet compliance costs on their own, ...

Sep 23, 2014
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