Polar bears and gulls feeding on whale carcass on the Arctic coast of Alaska. A possible transition zone for disease transmission. / Courtesy USGS

Polar bears and the threat of disease

Genetic studies show that polar bears have “A relatively naïve immune system,” according to research wildlife biologist Todd Atwood, who heads the U.S. Geological Survey – Alaska Science Center Polar Bear Research Program. When polar bears are forced ashore they face new threats from disease. Polar bears, marine predators known for traversing arctic sea ice […]

Polar bears respond to sea ice habitat loss

More polar bear videos – the cost of finding food

September 8, 2015— Frontier Scientists presents new videos Polar bear swims 400 miles and What makes a polar bear? Also, explore our new site updated with a brand new look and better features: more mobile friendly, same url at FrontierScientists.com. Anthony Pagano, research zoologist with the U.S. Geological Survey – Alaska Science Center, talks about […]

Sea ice is a polar bear conveyor belt

“It’s very difficult to observe polar bears directly in their environment.” “They travel widely,” George Durner, research zoologist with the United States Geological Survey Alaska Science Center, explained the bears travel “Hundreds of thousands of square kilometers in the course of the year across the sea ice environment.” To enter the polar bear world Durner […]

New videos about Polar Bears

July 21, 2015— Listen: intense noises sound when Alaska’s polar bears gather to feed at a whale bone pile. At Frontier Scientists new discoveries in the Far North unfold on your screen. In new videos Hair Reveals Diet and In the Eyes of the Polar Bear, Frontier Scientists features current polar bear research. Scientists Todd […]

Making sea ice 300 miles from the ocean

Ned Rozell for UAFGI – Marc Mueller-Stoffels unscrews the top of a glass jar and invites a visitor to smell the powder inside. A sniff evokes the image of kayaking Prince William Sound or walking a beach in Southeast. “We call it ‘Instant Ocean,’” he says, returning the lid to the jar. Mueller-Stoffels, a doctoral […]