Paul had warned me about the polar bear’s condition, but nothing could have prepared me for what I saw. The bear’s once white coat was molted ... Perhaps we made a mistake not telling the ...
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Polar bears hold secret to surviving frigid winters — and we can benefit, study saysA new study found that textiles that mimic polar bear fur may be better at keeping us ... fiber and tested its insulation against a down jacket, a wool sweater and a long-sleeved cotton top.
That's because polar bear fur is transparent and hollow.When light strikes the outer fur some of it is absorbed while the rest is scattered away. The result? The fur can appear as different colors ...
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