Mussels have been found growing on the seabed just 1,300 km (800 miles) from the North Pole in a likely sign of global warming, scientists said on Friday. The blue mussels, which normally favor warmer waters like off France or the eastern United States, were discovered last month off Norway's Svalbard archipelago in waters that are covered with ice most of the year. "The climate is changing fast," said Geir Johnsen, a professor at the Norwegian University for Science and Technology who was among experts who found the bivalves. Mollusks were a "very good indicator that the climate is warming,"...