Cold temperatures, prevalent during glacial periods, had a significant impact on past and modern unglaciated landscapes across much of North America, according to a recent study by University of Arkansas geologist Jill A. ...
Earth Sciences
Feb 22, 2021
2
72
Canadian Gilbert Cardin worries about the future of the ice road he maintains every winter on a frozen river west of Montreal.
Environment
Feb 21, 2021
0
14
China is just one of many countries in the Northern Hemisphere experiencing an extremely cold winter due in part to both the tropical Pacific and the Arctic, according to an analysis of temperatures from Dec. 1, 2020 to mid-January ...
Earth Sciences
Feb 19, 2021
6
493
The distribution of vegetation is routinely used to classify climate regions worldwide, yet whether these regions are relevant to other organisms is unknown. Umeå researchers have established climate regions based on vertebrate ...
Ecology
Feb 18, 2021
0
4
A deadly winter weather system that brought record-busting cold to the southern and central United States, knocking out power for millions in oil-rich Texas, blanketed the East Coast in snow Thursday, disrupting coronavirus ...
Environment
Feb 18, 2021
1
6
Despite being one of the world's most charismatic species, tigers face uncertain futures primarily due to habitat fragmentation, human-wildlife conflict and poaching. As global tiger populations decline, so does their genetic ...
Plants & Animals
Feb 18, 2021
0
447
An international team led by researchers at the Centre for Palaeogenetics in Stockholm has sequenced DNA recovered from mammoth remains that are up to 1.2 million years old. The analyses show that the Columbian mammoth that ...
Evolution
Feb 17, 2021
0
277
It's as if the world has been turned upside-down, or at least its weather. You can blame the increasingly familiar polar vortex, which has brought a taste of the Arctic to places where winter often requires no more than a ...
Earth Sciences
Feb 17, 2021
3
10
A winter storm that left millions without power in record-breaking cold weather claimed more lives Tuesday, including three people found dead after a tornado hit a seaside town in North Carolina and four family members who ...
Environment
Feb 16, 2021
1
17
Mammals and cold-blooded alligators share a common four-chamber heart structure—unique among reptiles—but that's where the similarities end. Unlike humans and other mammals, whose hearts can fibrillate under stress, alligators ...
Plants & Animals
Feb 16, 2021
0
3
