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Dr. Feiyue Wang, a lead scientist at SERF and a professor in the U of M’s department of environment and geography, and department of chemistry works with an instrument to monitor mercury interaction at the formation point where sea water turns to ice. SERF is a unique laboratory: a large, outdoor, saltwater pond equipped with sophisticated devices that monitor the pond’s sea ice formation. 130121 January 21, 2013 Mike Deal / Winnipeg Free Press