Taking advantage of unique properties of sediments from the bottom of Sawtooth Lake in the Canadian High Arctic, climate scientists have extended the record of Atlantic sea-surface temperature from about 100 to 2,900 years, ...
Environment
Oct 14, 2020
96
631
Ringed seals and other Arctic marine mammals are important in the diet of Arctic Indigenous peoples. A study spanning 45 years of testing indicates that mercury concentrations in ringed seals from the Canadian Arctic have ...
Ecology
Oct 7, 2020
0
19
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
A large number of the valley networks scarring Mars's surface were carved by water melting beneath glacial ice, not by free-flowing rivers as previously thought, according to new UBC research published today in Nature Geoscience. ...
Space Exploration
Aug 3, 2020
16
2536
Advanced leaf-out, or early sprouting and opening of leaves, is a direct response to climate change. In the northern hemisphere, leaf-out has advanced at a rate of 4-5 days per decade on average since 1980s, according to ...
Earth Sciences
Feb 21, 2020
3
27
Aboard the Icebreaker Oden, a Swedish vessel on an Artic expedition, a multidisciplinary group of scientists, filmmakers and students, including three City College of New York undergraduates, made a dismaying discovery in ...
Environment
Jan 6, 2020
0
699
Global warming is driving rapid environmental change in the Arctic. "To understand these changes, field measurements that adequately represent environmental variation across the Arctic as a whole are crucial," says Ph.D. ...
Environment
Jan 3, 2020
0
45
The heady aroma of magnolia blossoms and lotus flowers might have wafted to your nostrils if you had gone for a walk 56 million years ago in the lush green forest which covered Canada's northernmost islands.
Archaeology
Dec 13, 2019
1
90
A research team, led by the University of Rhode Island Graduate School of Oceanography, recently returning from a groundbreaking, 18-day expedition aboard the Swedish Icebreaker Oden has made a discovery related to plastics ...
Environment
Aug 15, 2019
2
23
Extreme erosion of Arctic coastlines in a changing climate—up to a metre a day—has been revealed with drone surveys.
Environment
Jun 7, 2019
0
22
