Dead Zones - Causes and Consequences Found by way of this article series where I read: "Ask scientists, government types, fishermen, almost anyone about the low-oxygen zone coming off the mouth of the Mississippi River and one question spills from their lips. "Have you talked to Nancy Rabalais?" ... marine ecologist Rabalais has led the search for answers to the 8,500-square-mile zone and the charge to find a solution. " ----- From the first linked page, you can view eight video clips -- each about 9.5 minutes long -- of a February 2005 slide lecture. She's awesome.