When polar seas freeze and ice forms, it is not only due to cold air chilling the surface of the water. Even more important is that warm water is prevented from rising to the surface from the depths of the ocean, due to the ...
Earth Sciences
Nov 16, 2022
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41
An international team of researchers have sounded new alarm bells about the changing chemistry of the western region of the Arctic Ocean after discovering acidity levels increasing three to four times faster than ocean waters ...
Earth Sciences
Sep 29, 2022
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308
The interplay between mercury and manganese in Arctic seawater may explain a surprising drop researchers found in mercury levels in the Barents Sea during the winter.
Earth Sciences
Aug 18, 2022
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53
Scientists have documented a previously unknown subpopulation of polar bears living in Southeast Greenland. The polar bears survive with limited access to sea ice by hunting from freshwater ice that pours into the ocean from ...
Ecology
Jun 16, 2022
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505
Ice shelves are floating extensions of glaciers. If Greenland's second largest ice shelf breaks up, it may not recover unless Earth's future climate cools considerably. This is the result of a new study, published in Nature ...
Environment
May 9, 2022
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79
Single individuals of Atlantic cod and squid occur much further north than previously expected. Scientists participating in the international MOSAiC expedition with research icebreaker Polarstern have found fish and squid ...
Plants & Animals
Feb 18, 2022
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409
"Some say the world will end in fire," wrote Robert Frost a century ago. The poet described one popular take on the world's end before shifting to its apocalyptic opposite, writing, "some say in ice."
Environment
Dec 16, 2021
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472
In recent years, polar bears in the Beaufort Sea have had to travel far outside of their traditional arctic hunting grounds which has contributed to an almost 30% decrease in their population.
Ecology
Dec 14, 2021
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100
A polar bear chases a reindeer into the water, drags it ashore and devours it, in a striking scene caught on film for the first time.
Ecology
Nov 28, 2021
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1163
For years, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have engineered metasurfaces to manipulate light based on its polarization state. That research has contributed to advances ...
General Physics
Aug 14, 2021
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1711
