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Rock Beats Paper and Scissors

The towed seafloor sampler Camper grabbed these volcanic rocks from the seafloor of the Arctic Ocean for study by WHOI geologist Susan Humphris and colleagues. Now that the 40-day expedition to the Gakkel Ridge is over, the researchers have months of heavy lifting to do back in the laboratory…cataloging and analyzing their samples from a part of the ocean floor that has scarely been studied. (Photo by Chris Linder, Woods Hole Oceanographic Institution)