Ecosystems on the Edge: Tracking Mercury In Animals, Marine Science, Plants, Science & Nature, Video / 24 September 2013 Smithsonian biologist Cindy Gilmour describes where mercury pollution comes from, how it morphs into the neurotoxin methylmercury, and if we’re finally starting to solve the problem. Related posts: Mercury Joins Earth As Tectonically Active Planet Earthworms to blame for decline of Ovenbirds in northern Midwest forests, study reveals Survey pinpoints where toxic mercury accumulates in world environments Ecosystems on the Edge: Earthworm Invaders Tags: Chesapeake Bay, conservation, conservation biology, pollution, Smithsonian Environmental Research Center