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Lost and found

On board the research vessel Oden in 2007, WHOI engineer John Kemp used the ship’s crane-operated metal basket to retrieve a robotic vehicle called Puma. With a long metal pole, Kemp pushed aside ice floes to free Puma from an icy Arctic grip. Nearly 22 hours after he had let Puma loose for a research mission, Kemp grabbed hold of it again and brought it back on board.
(Photo by Chris Linder, Woods Hole Oceanographic Institution)