Strontium is a trace element and mineral people use to make glow-in-the-dark paints and toothpaste for sensitive teeth. In research for his college degree, Sean Brennan used strontium’s unique qualities to track salmon in an Alaska river. At Brennan’s Ph.D. defense at the University of Alaska Fairbanks, advisor Matthew Wooller praised Brennan’s ambitious plan and his […]
Each fall, white-crowned sparrows hop off branches in Alaska and begin journeys toward California, Arizona, New Mexico and west Texas. On their trip of several weeks, flying mostly at night, the tiny songbirds may cut back on their sleep by two-thirds. Scientists in Wisconsin discovered the sparrow’s apparent ability to perform while cutting rest with […]
JUNEAU, Alaska — The crew of the Coast Guard Cutter Healy, a polar icebreaker, rescued a man aboard a sailboat trapped in Arctic ice approximately 40 miles northeast of Barrow, Saturday. The crew of the Healy broke a 12 mile path through the Arctic ice with the sailboat, Altan Girl, in tow and led it […]
Sea ice in summer looks dramatically different than sea ice in winter, even in the polar Arctic. Summer snowmelt, pools of water on thinning ice and exposed ocean replace vast winter expanses of white snow-covered ice – and this weekend NASA’s high-flying laser altimeter begins a campaign to investigate these features. Icy areas look […]