The story: University of North Carolina Wilmington Research Professor Steven W. Ross and Greenpeace submarine pilot John Hocevar, right, are lowered into the Gulf of Mexico in the Dual Deep Worker submarine from the Greenpeace ship Arctic Sunrise, October 16, 2010. A team of independent scientists joined the crew of the Arctic Sunrise to conduct a series of scientific research programs that will further the understanding of the impacts of both oil and chemical dispersants on the Gulf ecosystem in the aftermath of the BP oil spill in the Gulf of Mexico.

© Sean Gardner / Greenpeace

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