DUBLIN — In the harsh Arctic environment, where polar bears regularly plunge into freezing waters to hunt seals, a remarkable thing happens: unlike your car windshield on a winter morning, their ...

Save polar bears one electric car at a time: Column. Steven C. Amstrup. The ice-free period during which polar bears must fast has increased by nearly a day per year.

In general these bears are thinner than other Arctic bears, with females weighing about 400 pounds (185 kilograms), compared to 440 to 560 pounds elsewhere in the North American Arctic, Laidre said.

Researchers surveyed Western Hudson Bay — home to Churchill, the town called "the Polar Bear Capital of the World" — by air in 2021 and estimated there were 618 bears, compared to the 842 in ...

According to Griffen’s research, recently published in Polar Biology, it costs polar bears five times as much energy to swim as it does to walk the same distance.That cost became enormous in one case ...

Researchers surveyed Western Hudson Bay — home to Churchill, the town called "the Polar Bear Capital of the World," — by air in 2021 and estimated there were 618 bears, compared to the 842 in ...

Polar bears in a warming world: Q&A with Don Moore of the National Zoo April 11, 2013. Emily Grebenstein. A polar bear on an ice floe in Wagner Bay, Canada (Photo by Ansgar Walk) ... Can you compare ...

Researchers surveyed Western Hudson Bay — home to Churchill, the town called “the Polar Bear Capital of the World,” — by air in 2021 and estimated there were 618 bears, compared with the ...

After all, the 580-pound polar bear had never even seen such an apparatus, let alone walked on one. ... Sea ice is obviously a pretty different surface compared to a treadmill. ...