The oxygen content of seawater has a profound impact on the cycling of bioessential elements and the habitability of Earth. But how and why the marine oxygen landscape (i.e., the spatial pattern of oxygen levels) evolved ...
Earth Sciences
Nov 1, 2023
0
29
Cyanobacteria are a key species in Earth's history, as they introduced atmospheric oxygen for the first time. The analysis of their evolution therefore provides important insights into the formation of modern aerobic ecosystems. ...
Evolution
Oct 27, 2023
0
162
There is growing consensus that our planet is likely to pass the 1.5℃ warming threshold. Research even suggests global warming will temporarily exceed the 2℃ threshold, if atmospheric carbon dioxide (CO₂) peaks at levels ...
Earth Sciences
Oct 11, 2023
20
81
A team of Earth scientists affiliated with several institutions in France, working with a colleague from Norway, has developed a model to help explain the advent of the Great Ordovician Biodiversification—the largest surge ...
A team of scientists affiliated with several institutions in the U.S. has tested a theory created to explain the amount of oxygen in the atmosphere of Callisto, one of Jupiter's moons, and has found that it falls short. In ...
Iron is well-known for rusting, but this doesn't just happen on contact with oxygen and water. Some bacteria are also able to decompose iron anaerobically in a process referred to as electrobiocorrosion.
Materials Science
Aug 14, 2023
0
190
Mineral particles played a key role in raising oxygen levels in the Earth's atmosphere billions of years ago, with major implications for the way intelligent life later evolved, according to new research.
Earth Sciences
Mar 6, 2023
0
43
Astronomers using W. M. Keck Observatory on Maunakea in Hawaiʻi have discovered that aurorae at visible wavelengths appear on all 4 major moons of Jupiter: Io, Europa, Ganymede, and Callisto.
Astronomy
Feb 16, 2023
0
264
The 40-meter-high monitoring tower of the Innsbruck Atmospheric Observatory near the city center of Innsbruck in Austria continuously provides data on the composition of the atmosphere near the surface. Every hour, 36,000 ...
Environment
Jan 18, 2023
0
31
The amount of oxygen in the Earth's atmosphere makes it a habitable planet.
Earth Sciences
Nov 29, 2022
1
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