Australia's east coast is littered with the remnants of hundreds of volcanoes—the most recent just a few thousand years old—and scientists have been at a loss to explain why so many eruptions have occurred over the past ...
Earth Sciences
Dec 16, 2020
0
244
Stone tools and other artifacts unearthed from an archeological dig at the Cooper's Ferry site in western Idaho suggest that people lived in the area 16,000 years ago, more than a thousand years earlier than scientists previously ...
Archaeology
Aug 29, 2019
15
1224
Parasites thought only to infect tropical coral reefs have been discovered in a large variety of creatures in cold marine ecosystems along the Northeast Pacific, according to new research from University of British Columbia ...
Plants & Animals
Apr 11, 2024
0
4
Killer whales foraging in deep submarine canyons off the coast of California represent a distinct subpopulation that uses specialized hunting techniques to catch marine mammals, Josh McInnes at the University of British Columbia ...
Ecology
Mar 20, 2024
0
19
The cacao tree (Theobroma cacao), whose beans (cocoa) are used to make products including chocolate, liquor and cocoa butter, may have spread from the Amazon basin to the other regions of South and Central America at least ...
Archaeology
Mar 7, 2024
0
72
Archaeologists have analyzed chemical residues from ceramic vases at the city of Cotzumalhuapa, Guatemala, revealing physical evidence of tobacco use in Mesoamerica, likely for ritual and therapeutic purposes.
Archaeology
Mar 5, 2024
2
135
They are among the most productive and biodiverse areas of the world's oceans: coastal upwelling regions along the eastern boundaries of the Atlantic and Pacific Oceans. There, equatorward winds cause near-surface water to ...
Earth Sciences
Jan 26, 2024
0
214
A new study from UC San Diego Scripps Institution of Oceanography researcher emeritus Peter Bromirski uses nearly a century of data to show that the average heights of winter waves along the California coast have increased ...
Environment
Aug 1, 2023
0
65
Scientists have used mitochondrial DNA to trace a female lineage from northern coastal China to the Americas. By integrating contemporary and ancient mitochondrial DNA, the team found evidence of at least two migrations: ...
Archaeology
May 9, 2023
0
571
New research, based on two decades' worth of data, shows that in the ten years after its onset in 2000, the Southwestern North American (SWNA) megadrought caused a 30% change in gravity wave activity in Earth's upper atmosphere.
Planetary Sciences
Dec 6, 2022
0
107
