Glacial retreat in the Canadian Arctic has uncovered landscapes that haven't been ice-free in more than 40,000 years and the region may be experiencing its warmest century in 115,000 years, new University of Colorado Boulder ...
Earth Sciences
Jan 25, 2019
30
5767
A combined team of geochemists from Woods Hole Oceanographic Institution and California Institute of Technology has found evidence of high levels of helium-3 in rocks on Baffin Island—possible evidence that the Earth's ...
Nearly 10 years after a "doomsday" seed vault opened on an Arctic island, some 50,000 new samples from seed collections around the world have been deposited in the world's largest repository built to safeguard against wars ...
Ecology
Feb 23, 2017
3
2024
It's official: There really was a giant, flightless bird with a head the size of a horse's wandering about in the winter twilight of the high Arctic some 53 million years ago.
Archaeology
Feb 12, 2016
4
1653
A new study by Brown University researchers shows that the Dorset and Thule people—ancestors of today's Inuit—created spun yarn some 500 to 1,000 years before Vikings arrived in North America. The finding, made possible ...
Archaeology
Aug 21, 2018
0
387
(Phys.org) —The heat is on, at least in the Arctic. Average summer temperatures in the Eastern Canadian Arctic during the last 100 years are higher now than during any century in the past 44,000 years and perhaps as long ...
Earth Sciences
Oct 24, 2013
238
0
When the temperature rises on Baffin Island, in the Canadian high Arctic, ancient Polytrichum mosses, trapped beneath the ice for thousands of years, are exposed. Using radiocarbon dating, new research in Geophysical Research ...
Earth Sciences
Jan 21, 2014
41
0
By studying the wood-cutting behaviour of ancient beavers that once roamed the Canadian high Arctic, an international team of scientists has discovered that tree predation—feeding on trees and harvesting wood—evolved ...
Archaeology
Aug 5, 2020
1
151
From a boardwalk overlooking Chicago's deserted Ohio Street Beach in the throes of winter, it's not hard to imagine the last ice age. A blanket of fresh snow covers the shoreline and pale blue ice glazes over Lake Michigan ...
Earth Sciences
Mar 4, 2019
0
9
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
