The Americas were the last continent to be inhabited by humans. An increasing body of archaeological and genomic evidence has hinted to a complex settlement process. This is especially true for South America, where unexpected ...
Archaeology
Nov 1, 2022
1
907
The number of western monarch butterflies wintering along the California coast has plummeted precipitously to a record low, putting the orange-and-black insects closer to extinction, researchers announced Tuesday.
Plants & Animals
Jan 19, 2021
6
10801
Human footprints found off Canada's Pacific coast may be 13,000 years old, according to a study published March 28, 2018 in the open-access journal PLOS ONE by Duncan McLaren and colleagues from the Hakai Institute and University ...
Archaeology
Mar 28, 2018
0
975
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
Archaeologists of the Far Eastern Federal University (FEFU) found three burials of the ancient inhabitants of South America dated from 6 to 10 thousand years ago. The excavations were carried out in Atahualpa anton, Ecuador. ...
Archaeology
Nov 27, 2018
0
921
The one common element in recent weather has been oddness. The West Coast has been warm and parched; the East Coast has been cold and snowed under. Fish are swimming into new waters, and hungry seals are washing up on California ...
Earth Sciences
Apr 9, 2015
183
201
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
Ocean acidification is damaging the shells of young Dungeness crab in the Northwest, an impact that scientists did not expect until much later this century, according to new research.
Plants & Animals
Jan 24, 2020
2
333
Could a volcanic eruption off Mexico's coast unleash a tsunami like the one that devastated Tonga? What really causes tectonic plates to shift and trigger earthquakes? Scientists visited a remote archipelago in search of ...
Earth Sciences
Apr 23, 2022
1
444
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
