Muskoxen are built to chill. These animals can endure, even thrive, in some of the harshest conditions on Earth—the Arctic winter. Their long, wiry outer coat covers a soft and thick inner layer, called qiviut, that keeps them toasty even as temperatures plummet. When winter ends, the muskoxen shed this undercoat, which is collected and spun into yarn that"s warmer than sheep"s wool and softer than cashmere—pricier, too.
Going head-to-head with winter
Today in History
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Roman theater of Cartagena, Spain
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World Teachers Day
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Bear Hole Brook, Catskill Mountains, New York
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Pearl Harbor Remembrance Day
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World Chocolate Day
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A new tradition in London
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A sizzling summit hides in the clouds
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Happy Fathers Day!
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Listening to the sea
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The moai you know
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The circular castle of Cornwall
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Wild garlic in bloom at Hainich National Park, Germany
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New York City Marathon
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It s ∞ Day!
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Float on
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Palmyra Atoll National Wildlife Refuge
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Fighting evil with costumes
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The lemurs of Madagascar
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Mooncake time
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Citizenship Day and Constitution Day
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Jaguar in the Pantanal wetlands
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Cheers! It’s National Wine Day
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Flying high on National Bird Day
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Aqueduct, Arkadia Park, Poland
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International Museum Day
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Defying gravity on a swing ride
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Autumn in Alaska
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Paper lanterns on the longest night
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Victory Day in Valletta
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Valentines Day