News tagged with arctic climate

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Polar bear's long swim illustrates ice melt

In one of the most dramatic signs ever documented of how shrinking Arctic sea ice impacts polar bears, researchers at the U.S. Geological Survey in Alaska have tracked a female bear that swam nine days across ...

dateFeb 03, 2011 in Plants & Animals
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Crew circles North Pole in one summer

A trimaran sailing boat circled the North Pole in a single summer season, a feat made possible by global warming and the melting of the Arctic ice cap, the boat's international crew said Thursday.

dateOct 14, 2010 in Earth Sciences
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Arctic sea ice captured by satellite

The Arctic Ocean is covered by a dynamic layer of sea ice that grows each winter and shrinks each summer, reaching its yearly minimum size each fall. While the 2010 minimum remains to be seen, NASA's Aqua ...

dateSep 14, 2010 in Earth Sciences
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Resolving the paradox of the Antarctic sea ice

While Arctic sea ice has been diminishing in recent decades, the Antarctic sea ice extent has been increasing slightly. Researchers from the Georgia Institute of Technology provide an explanation for the seeming paradox ...

dateAug 16, 2010 in Earth Sciences
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Microbes answer more questions collectively

Studying whole microbial communities rather than individual micro-organisms could help scientists answer fundamental questions such as how ecosystems respond to climate change or pollution, says Dr Jack Gilbert writing in ...

dateMay 26, 2010 in Cell & Microbiology
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