Evidence of historic marine life present in Alaskan permafrost is helping scientists reconstruct ancient changes in the ice cover over the Arctic Ocean.
A section of an ice wedge extracted from the northern Alaskan tundra is providing insight
on the region’s geological history [Credit: Yoshinori Iizuka, Hokkaido University]Hokkaido University researchers and colleagues have found that the Beaufort Sea, on the margin of the…
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