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Warming alters predator-prey interactions in the Arctic
Permafrost thawing could accelerate global warming
Dinosaur skull may reveal T. rex’s smaller cousin from the north
NASA: Warm Rivers Play Role in Arctic Sea Ice Melt
Whales, ships more common through Bering Strait
How do polar bears stay warm? Research finds an answer in their genes
DNA reveals new clues: Why did mammoths die out?
Dramatic thinning of Arctic lake ice cuts winter ice season by 24 days
Arctic a source of atmospheric carbon
Greenland’s shrunken ice sheet: We’ve been here before
The tundra — a dark horse in planet Earth’s greenhouse gas budget
Tiny plankton could have big impact on climate