video: Modeled probability of arsenic concentration in groundwater exceeding 10 µg per liter (red: high probability, blue: low probability). This material relates to a paper that appeared in the 22 May issue of Science, published by AAAS. The paper, by J. Podgorski at Swiss Federal Institute of Aquatic Science and Technology in Dübendorf, Switzerland, and colleagues was titled, "Global threat of arsenic in groundwater."
Credit: Joel Podgorski, Michael Berg, Eawag