The Puma, or "plume mapper," autonomous underwater vehicle uses sonar, lasers and chemical sensors to search wide areas near the ocean floor.
Hanumant Singh/Woods Hole Oceanographic Institution
A team of scientists is heading toward the Gakkel Ridge in the Arctic Ocean, hunting for hydrothermal vents on the Arctic sea floor. On a six-week voyage, the researchers will use two new autonomous undersea vehicles to try to explore the world under the Arctic ice.
Jeffrey Seewald, associate scientist, Department of Marine Chemistry & Geochemistry, Woods Hole Oceanographic Institution