Lars-Eric Heimbürger is a CNRS research scientist at the Mediterranean Institute of Oceanography in Marseille, France. He is a chemical oceanographer studying the biogeochemical cycling of trace metals in the world’s oceans. His work is supported by Project PARCS of the CNRS/Chantier Arctique Français. https://www.newsdeeply.com/arctic/contributor/lars-eric-heimburger/rss en Environment Northern People & Health Research Mon, 18 Jul 2016 08:30:02 +0000 Lars-Eric Heimbürger https://www.newsdeeply.com/arctic/community/2016/07/18/uncovering-pieces-of-the-arctic-mercury-puzzle https://www.newsdeeply.com/arctic/community/2016/07/18/uncovering-pieces-of-the-arctic-mercury-puzzle How does mercury find its way into Arctic animals? Data from a recent expedition to the central Arctic Ocean suggest that bacteria close to the ocean surface convert mercury to its toxic form and feed it into the food web.