Genome study reveals history of European potato

A team of researchers from Germany, Peru, the U.K. and Spain has sequenced a large number of potato varieties to learn more about the history of the modern European potato. In their paper published in the journal Nature Ecology ...

Snow in the Andes as clean as Canadian Arctic: study

Snow covering the Andes mountains is as clean as the Canadian Arctic, scientists said Friday after hundreds of tests to determine the presence of black carbon deposits or other pollutants.

Chile plans hydropower plant—in desert

Building a $400-million hydroelectric power plant in the world's most arid desert may seem like an engineering debacle, but Chile sees it as a revolutionary way to generate green energy.

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