Mushers and dogs braved a horrific Alaska winter to deliver lifesaving serum 100 years ago
The Alaska Gold Rush town of Nome was hundreds of miles from anywhere, cut off by the frozen sea and under siege from a ...
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Surviving Nature’s Freezers: Meet the Animals Thriving in Earth’s Polar Regions
The polar regions are the coldest places on Earth. During the summer, the poles receive 24 hours of sunlight, but during the winter the sun is rarely visible. Animals that inhabit nature’s freezers ...
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Ice doesn't stick to polar bear fur - but why?
Polar bear fur resists ice because of a natural greasy coating called sebum. This helps them move quietly while hunting.
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The 10 Animals Most Affected by Climate Change
The Ice Warriors Struggling to Survive Polar bears are often considered the poster child for climate change due to their dependence on sea ice for survival. As the temperature rises, the Arctic ice ...
Polar bears are struggling to get enough to eat as sea ice dwindles due to climate change, study finds
University of Toronto Scarborough researchers have directly linked population decline in polar bears living in Western Hudson Bay to shrinking sea ice caused by climate change.