Ancient carbon trapped in Arctic permafrost is extremely sensitive to sunlight and, if exposed to the surface when long-frozen soils melt and collapse, can release climate-warming carbon dioxide gas into the atmosphere much ...
Environment
Feb 11, 2013
240
0
Although humans and woolly mammoths co-existed for millennia, the shaggy giants disappeared from the globe between 4,000 and 10,000 years ago, and scientists couldn't explain until recently exactly how the Flinstonian behemoths ...
Archaeology
Jun 12, 2012
23
0
Researchers have discovered that the ultraviolet (UV) light that causes the temporary but painful condition of snow blindness in humans is life-saving for reindeer in the arctic.
Plants & Animals
May 26, 2011
4
0
Arctic ground squirrels are unique among mammals. Their ability to keep from freezing even when body temperatures dip below that mark on the thermometer enables them to survive extreme winter climates. New research published ...
Plants & Animals
May 25, 2023
0
68
A team of researchers from Denmark, Germany, Norway, the U.K. and Canada has used DNA analysis to study the genetic history of narwhals, and report that their future is uncertain. In their paper published in Proceedings of ...
You might expect that little happens in the Arctic Ocean during the cold and dark winter. But that just isn't so, according to researchers who have sampled the activities of many different species during three consecutive ...
Ecology
Sep 24, 2015
3
673
(Phys.org) —Saving energy is crucial to the survival of animals living in the cold regions of the world. A small marmot-like rodent from the Arctic is world champion when it comes to energy saving. According to Jun Yan ...
Plants & Animals
May 12, 2014
1
0
Despite the size and severity of the massive 2007 Anaktuvuk River fire on Alaska's North Slope, much of the arctic vegetation has recovered and the tundra is likely to return to its pre-fire condition according to University ...
Environment
Aug 30, 2013
0
0
Climate change is known to affect the population dynamics of single species, such as reindeer or caribou, but the effect of climate at the community level has been much more difficult to document. Now, a group of Norwegian ...
Earth Sciences
Jan 17, 2013
0
0
In 2007 the largest recorded tundra fire in the circumpolar arctic released approximately as much carbon into the atmosphere as the tundra has stored in the previous 50 years, say scientists in the July 28 issue of the journal ...
Environment
Jul 27, 2011
3
0
