A recent study provides new insights into ancient cultures in Canada's Arctic, focusing on Paleo-Inuit and Thule-Inuit peoples over thousands of years. Jules Blais, professor of biology at the University of Ottawa, and a ...
Archaeology
Jul 11, 2024
0
88
By testing core samples, an international team of geoscientists and geologists has found evidence that much of what is now West Antarctica was a river delta or estuary 34 to 44 million years ago. Their findings are published ...
As the planet has warmed, scientists have long been concerned about the potential for harmful greenhouse gases to seep out of thawing Arctic permafrost. Recent estimates suggest that by 2100 the amount of carbon dioxide and ...
Ecology
May 28, 2024
1
86
Ancient, expansive tracts of continental crust called cratons have helped keep Earth's continents stable for billions of years, even as landmasses shift, mountains rise and oceans form. A new mechanism proposed by Penn State ...
Earth Sciences
May 8, 2024
0
15
A team of paleoclimatologists with the U.S. Geological Survey, NASA Ames Research Park, has found that atmospheric rivers in the past have dumped far more rain on California than those that have occurred over the past two ...
NASA's plan to bring samples from Mars back to Earth is on hold until there's a faster, cheaper way, space agency officials said Monday.
Space Exploration
Apr 16, 2024
2
111
Soil contains about twice as much carbon as the atmosphere and plants combined. It is a major carbon sink, capable of absorbing more carbon dioxide from the atmosphere than it releases. Management of soil carbon is key in ...
Earth Sciences
Apr 2, 2024
0
70
University of Queensland researchers estimate there could be up to 7,000 tons of microplastics polluting vital ecosystems in Brisbane's Moreton Bay.
Environment
Mar 25, 2024
0
38
When climate scientists look to the future to determine what the effects of climate change may be, they use computer models to simulate potential outcomes such as how precipitation will change in a warming world.
Earth Sciences
Mar 18, 2024
0
24
A study published in the Journal of Geographical Sciences reveals a novel method for reconstructing historical warm season temperatures in North China. Utilizing the blue intensity (BI) of tree rings of Picea meyeri, researchers ...
Earth Sciences
Mar 15, 2024
0
5
