Ice Core Reveals 2,000 Years of Lead Pollution in South America (2 of 5) (IMAGE)

American Association for the Advancement of Science (AAAS)

Ice Core Reveals 2,000 Years of Lead Pollution in South America (2 of 5)

Caption

The PSI researchers Anja Eichler (left) and Leonhard Tobler (right), two authors of the study, in the lab, where the measurements with the mass spectrometer were done. This material relates to a paper that appeared in the March 6, 2015, issue of Science, published by AAAS. The paper, by A. Eichler at Paul Scherrer Institut in Villigen, Switzerland, and colleagues was titled, "Pb pollution from leaded gasoline in South America in the context of a 2000-year metallurgical history."

Credit

Paul Scherrer Institute/Mahir Dzambegovic

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