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
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25
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
Using isotope geochemistry, a team from the University of Geneva (UNIGE) has uncovered new information about the Barmaz necropolis in Valais (Switzerland): 14% of the people buried 6,000 years ago at this site were not locals. ...
Archaeology
Jun 13, 2024
0
309
Three ingots from the site of Los Escoriales de Doña Rama (Belmez) and dating from the Roman era demonstrate the importance of lead production and exportation in northern Córdoba. Measuring some 45 centimeters long and ...
Archaeology
May 7, 2024
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3
Climate changes usually happen over long periods of time, but during the last glacial period, extreme fluctuations in temperature occurred within just a few years. Researchers at the University of Basel have now been able ...
Earth Sciences
Feb 12, 2024
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5
In a recently published study in Angewandte Chemie International Edition, researchers at the Department of Medical Biochemistry and Biophysics (MBB) at Karolinska Institutet have questioned the old paradigm surrounding isotopes ...
Biochemistry
Dec 4, 2023
1
124
Under normal conditions, the floating macroalgae Sargassum spp. provide habitat for hundreds of types of organisms. However, the Great Atlantic Sargassum Belt (GASB) that emerged in 2011 has since then caused unprecedented ...
Ecology
Oct 11, 2023
4
53
Tropical ecosystems are constantly navigating between prolonged drought and extreme rainfall, but little research has been done to understand why some plants are able to survive these swings in climate.
Plants & Animals
Oct 2, 2023
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14
Avi Loeb, an astrophysicist at Harvard University in the US, has published a press release claiming that some of the 700 or so spherical metallic fragments (spherules) he recovered from the bottom of the Pacific Ocean, just ...
Space Exploration
Sep 6, 2023
1
34
The Amazon River is the largest river in the world. It discharges about one fifth of global freshwater runoff, resulting in a freshwater plume rich in nutrients and trace elements entering the Atlantic Ocean.
Earth Sciences
Jul 31, 2023
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