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A new exhibit at the University of Alaska Museum of the North explores the connection between research collections and the museum science they support. “Expedition Alaska: Archaeology and Mammalogy” contains dozens of objects from decades of field work by museum researchers and their students.

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On a June day 105 years ago, in a green valley where the Aleutians merge with the mainland, the world fell apart. During an eruption that lasted three days in 1912, a vibrant landscape became the gray badlands known as the Valley of 10,000 Smokes.

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Scientists find methane-reducing cow diet

Castelán-Ortega, a veterinarian, and Luisa Molina, an atmospheric scientist, monitored the respiration of cows and found steep reductions in methane when cows were fed a diet enhanced with certain plants. They presented their results in an eye-catching poster (featuring a cow with its head in a chamber that resembled a voting booth) at the recent fall meeting of the American Geophysical Union in San Francisco.

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