Ancient ocean temperatures are most commonly reconstructed by analyzing the ratio of different oxygen atoms in the calcium carbonate remains of fossils. However, this presents many challenges, including a combination of biological ...
Earth Sciences
Aug 1, 2024
0
25
Nine hundred years ago, the Cahokia Mounds settlement just across the Mississippi River from present-day St. Louis bustled with roughly 50,000 people in the metropolitan area, making it one of the largest communities in the ...
Archaeology
Jul 3, 2024
0
530
About 183 million years ago, volcanic activity in modern South Africa unleashed an estimated 20,500 gigatons of carbon dioxide (CO2) into the ocean–atmosphere system over a period of 300 to 500 thousand years. Known as ...
Earth Sciences
Jun 25, 2024
1
158
Carbonaceous aerosols not only alter the atmospheric radiation budget, but also accelerate glacier melt by reducing the albedo of ice and snow surfaces. However, due to the heterogeneity of carbonaceous aerosols, the identification ...
Earth Sciences
Jun 11, 2024
0
0
A team of archaeologists, anthropologists and evolutionary specialists from Argentina, the U.K. and Germany has found possible evidence of a tamed fox living with a human hunter/gatherer companion, approximately 1,500 years ...
If we could stand in a landscape that our Mesolithic ancestors called home, what would we see around us? Scientists have devised a method of analyzing preserved hazelnut shells to tell us whether the microhabitats around ...
Archaeology
Feb 29, 2024
0
402
A team of researchers from the University of Massachusetts Amherst that specializes in accounting for the carbon dioxide release by streams, rivers and lakes has recently demonstrated that the chemical process known as "carbonate ...
Earth Sciences
Feb 26, 2024
0
43
Mass extinctions are rapid global decreases in Earth's biodiversity, with five key events identified over the planet's history, arguably the most famous of which occurred ~66 million years ago during the Cretaceous, which ...
Biologists have long known mushrooms of the genus Mycena, commonly known as bonnet mushrooms, as fungi that live off of dead trees and plants. New research from the University of Copenhagen demonstrates that bonnets can also ...
Evolution
Oct 23, 2023
0
3309
Inside our bodies at every moment, our cells are orchestrating a complex dance of atoms and molecules that uses energy to create, distribute and deploy the substances on which our lives depend.
Biochemistry
Sep 5, 2023
1
105
