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 bridge of Córdoba, Spain
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A peek behind the royal curtain
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World Architecture Day
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Salmon return to the Copper River
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Tasiilaq, Greenland
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Yarn for Distaff Day
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What’s blooming in New Zealand?
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Juneteenth
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Celebrating the Day of the Dead
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Spread some love with Bing
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Apple trees in spring, Germany
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A narrow passage
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A truly American monument
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Vacuum Chamber 5 at Glenn Research Center
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Up on the glacier
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Jöriseen lakes in the Silvretta Alps, Switzerland
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Enter the magical world of Livraria Lello
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Mount Segla, Senja Island, Norway
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Great Backyard Bird Count
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In the Highlands for Saint Andrew s Day
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The perfect canvas for an ancient text
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Go Fly a Kite Day
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A different view of sharks
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Jeju Island, South Korea
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Spring equinox
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Tokyo welcomes a futuristic new art museum
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It s a ruff life
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A crane for good luck in today’s big game
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A Carpathian Christmas celebration
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Grand finish of Le Tour