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11 December 2013
Researchers have developed a rover that floats beneath the surface of the ice and photographs it from underneath. The upside down images could help scientists understand the source of methane bubbles trapped in Arctic ice, and how much of this powerful global warming gas is seeping from the permafrost.
17 December 2012
One moment, a block of ice about the size of a 15-passenger van plummets from the edge of a melting glacier to the water below. Seconds later, seismic vibrations shake the glacier and surrounding rock. For years, scientists have been puzzled over why glaciers quake while losing ice. Now, a new study has uncovered how the icequakes and ice loss are connected, which may help glaciologists and climate scientists track retreating ice throughout the Arctic.