“Unwashed, greasy hair made it much harder for ice to stick. In contrast, when the polar bear hair was washed and the grease ...
An international team of scientists has discovered the anti-icing secret of polar bear fur—something that allows one of the ...
The ice is melting because of global warming. When humans burn fossil fuels like oil and coal, a bunch of greenhouse gases go ...
After collecting hair from six polar bears in the wild, scientists homed in on the hair 'sebum' (or grease) as the ...
Travel to Churchill in northern Canada to see the world’s greatest concentration of polar bears. Learn more about their evolutionary history and learn about the role ecotourism plays in the ...
Male polar bears can weigh up to 700 kilograms (1,540 pounds) and reach lengths of over three metres (10 feet). This makes them the largest land predators in the world, outmatching even grizzly bears.
Editor's Note: National Geographic went too far in drawing a definitive connection between climate change and a particular starving polar bear in the opening caption of our December 2017 video ...