Thar She Surfaces

Looking down from the bridge seven flights above the deck of the icebreaker Oden, scientists and crew (including Captain Mattias Peterson, on the catwalk outside the bridge) keep their eyes peeled on the pool of water. They were searching for a glimpse of the bright yellow autonomous underwater vehicle Puma. They also kept an eye on the ice, which was moving ominously back toward the ship. (Photo by Chris Linder, Woods Hole Oceanographic Institution)