Hillary Rosner

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White Bunny

The Hare’s Race: Can evolution save species from climate change?

Behind the wheel of his boxy red Ford F-250 truck, L. Scott Mills sipped his watery coffee and headed east. It was 18 degrees out on a dim and wintry Missoula morning. As the sun rose and the sky turned white, Mills followed Montana Route 200 along the lazy Blackfoot River, northeast toward the town of Seeley Lake.

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3 men in stream in stream - Photo Credit: Cameron Ghalambor

Climate adaptation: Survival of the flexible

Up in the foothills of the Rockies last summer, researchers from Colorado State University in Fort Collins fanned out along the banks of a stream. Some took the water’s temperature and measured its speed and chemistry. Others waded in to catch insects using flat-bottomed nets.

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An Ash Meadow Amargosa pupfish.

Should we Dilute Genes to Save a Species?

West of Pahrump, Nevada, in a corner of the Mojave Desert a couple thousand feet above Death Valley, a warm aquifer provides a home for one of the world’s rarest animals. It’s a tiny silvery-blue fish, smaller than your pinkie toe, and in the past 50 years it has survived real-estate speculators,

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