Nature World News: Warming temperatures in the North Atlantic Ocean have lead to a decline in sea ice, which is leaving populations of young harp seals dead in the water, according to researchers at Duke University.
"Stranding rates for the region's adult seals have generally not gone up as sea ice cover has declined; it's the young-of-the-year animals who are stranding," said David Johnston, a research scientist at Duke's Nicholas School of the Environment, of the pups not even a year old.
"And it's not just...