Precisely when mammoths went extinct has fascinated paleontologists for generations, perhaps because their decline coincided with the arrival of people to North and South America.
Paleontology & Fossils
Nov 30, 2022
0
395
A trio of environmental engineers, two with the University of Canterbury in New Zealand, the third with the University of Maryland, has developed a way to illustrate the impact of sea level rise isolation associated with ...
A well-preserved Ice Age woolly rhino with many of its internal organs still intact has been recovered from permafrost in Russia's extreme north.
Environment
Dec 31, 2020
92
3496
Abrupt thawing of permafrost will double previous estimates of potential carbon emissions from permafrost thaw in the Arctic, and is already rapidly changing the landscape and ecology of the circumpolar north, a new CU Boulder-led ...
Earth Sciences
Feb 3, 2020
4
7606
One of the most worrisome aspects of climate change is the role played by positive feedback mechanisms. In addition to global temperatures rising because of increased carbon dioxide and greenhouse gas emissions, there is ...
Earth Sciences
Feb 24, 2017
7
414
The area covered by Arctic sea ice reached its lowest point this week since the start of satellite observations in 1972, German researchers announced on Saturday.
Earth Sciences
Sep 10, 2011
17
0
The first ancient human genome from Africa to be sequenced has revealed that a wave of migration back into Africa from Western Eurasia around 3,000 years ago was up to twice as significant as previously thought, and affected ...
Archaeology
Oct 8, 2015
2
1549
Arctic tundra, a unique ecosystem characterized by permafrost, contributes to approximately 45% of all Arctic methane sources and therefore plays an important role in global carbon cycle. Arctic region is warming faster than ...
Environment
Nov 9, 2020
0
7
A quartet of researchers, two with the Nordic Institute for Theoretical Physics and two with Pukyong National University, has created a group of simulations of changes to the jet stream under global warming. In their paper ...
Rapid Arctic warming has not led to a "wavier" jet stream around the mid-latitudes in recent decades, pioneering new research has shown.
Earth Sciences
Feb 19, 2020
7
1577
