Dierdre Toole, a marine chemist at Woods Hole Oceanographic Institution, has studied the production of dimethylsulfide (DMS) by phytoplankton in the Southern Ocean surrounding Antarctica (above) and in the Sargasso Sea near Bermuda. Her research aims to reveal the gas's important impacts on the environment and Earth's climate. (Photo courtesy of Dierdre Toole, Woods Hole Oceanographic Institution) Read this article »
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