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The world’s most acidic ocean waters are found in the winter in the Bering Sea, according to 40 years of measurements. But its acidification appears to be increasing less quickly than that in the rest of the world’s ocean waters.Yereth Rosen
A giant Pacific octopus named Dot laid thousands of eggs this fall at the Alaska SeaLife Center in Seward, but that means her days are numbered. Megan Edge

New evidence suggests that the wasting disease that has killed off millions of starfish from California to Alaska has been caused by a virus found in sea stars since the 1940s. It's unclear if the illness is part of a natural cycle or if other causes are to blame, but the disease is still spreading.

Alaska Dispatch News
University of Washington oceanographer Jan Newton, who led the collaborative effort, said the information can help shellfish growers make crucial decisions about when and how to grow shellfish.Associated Press
For an environmental planning and problem-solving class at the University of Alaska Anchorage, a new road in the works next to campus has arisen as a convenient and relevant project to study. Tegan Hanlon
One of Alaska’s most active volcanoes has calmed down since spewing ash up to 35,000 feet into the air over the weekend, but scientists said Monday they’re not ready to consider this explosion over.Rachel D'Oro | Associated Press
The polar bear population in the southern Beaufort Sea dropped by roughly 40 percent between 2001 and 2010, according to a new study by U.S. and Canadian scientists.Yereth Rosen
Tugidak Island in the Gulf of Alaska has been a designated critical habitat area since the 1980s. But what state protection couldn't stop was the tens of thousands of pounds of marine debris that would wash up on the island’s shore, home to one of the largest harbor seal haulouts in the world. Megan Edge
While maps of Canada’s Klondike region just to the east are up-to-date and precise, geologic maps for the Alaska area right across the border are less detailed and do not match the Canadian side. The U.S. Geological Survey, with help from counterparts in Canada, is trying to fix that.Yereth Rosen
The population of Farewell plains bison in Southwest Alaska is the highest biologists have seen in years, says the state Department of Fish and Game. Megan Edge