**Researchers reveal dominant source of atmospheric mercury in the Arctic** A research team led by Prof. Xie Zhouqing and Prof. Le Fange from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) revealed that the Marginal Ice Zone (MIZ) is a dominant source of atmospheric gaseous elemental mercury (GEM), and proposed a mechanism for the summertime peak of GEM in the Arctic. Their work was published in Nature Communications. https://phys.org/news/2023-09-reveal-dominant-source-atmospheric-mercury.html