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Drilling of a Different Sort

John Kemp (standing) with Kris Newhall prepare to drill a hole in the ice in the Beaufort Sea to test ice-melting equipment used to extract instruments frozen in the ice. Neil Jollymore, with rifle, is on polar bear watch whenever a team leaves the Canadian Coast Guard icebreaker Louis S. St Laurent. (Photo by Chris Linder, Woods Hole Oceanographic Institution)