Researchers find oxygen spike coincided with ancient global extinction
Two hundred fifty-two million years ago, much of life on planet Earth was dying.
Earth Sciences
Aug 2, 2021
11
2742
News tagged with oxygen content
Oxygen linked with the boom and bust of early animal evolution
Extreme fluctuations in atmospheric oxygen levels corresponded with evolutionary surges and extinctions in animal biodiversity during the Cambrian explosion, finds new study led by UCL and the University of Leeds.
Earth Sciences
May 6, 2019
3
551
Astronomers use Webb data to measure rapid increase in oxygen in the early universe
Using new data from the James Webb Space Telescope, astronomers have measured the abundance of oxygen in the early universe. The findings, accepted for publication in The Astrophysical Journal Supplement Series and posted ...
Astronomy
Nov 9, 2023
1
147
Significant shifts in inorganic carbon and ecosystem state in a temperate estuary
In the 1980s, the Elbe estuary had largely lost its function as an estuarine filter due to heavy metal pollution. After decades, the estuary was able to recover from this, as a team led by doctoral student Louise Rewrie from ...
Earth Sciences
Aug 8, 2023
0
2
Perfectly preserved turtle fossil gives clues to habitat 150 million years ago
A perfectly preserved turtle fossil from Lower Bavaria yields important clues about both the species and the habitat that existed in southern Germany 150 million years ago. The fossil is the best-preserved specimen of Solnhofia ...
Paleontology & Fossils
Jul 26, 2023
0
242
Physicist probes causes of life-shortening 'dwell fatigue' in titanium
"Dwell fatigue" is a phenomenon that can occur in titanium alloys when held under stress, such as a jet engine's fan disc during takeoff. This peculiar failure mode can initiate microscopic cracks that drastically reduce ...
Condensed Matter
Nov 11, 2022
0
109
Natural nutrient enrichment 8 million years ago caused today's largest ocean 'dead zone'
Oxygen-starved ocean "dead zones," where fish and animals cannot survive, have been expanding in the open ocean and coastal waters for several decades as a result of human agricultural and industrial activity. Trying to predict ...
Earth Sciences
Oct 31, 2022
0
101
New method simultaneously measures flow and oxygen
An international research team headed by the Max Planck Institute for Marine Microbiology in Bremen, Aarhus University and the Science for Life Lab in Uppsala has developed tiny particles that measure the oxygen concentration ...
Cell & Microbiology
May 23, 2022
0
74
Reevaluation puts mid-Proterozoic oxygen levels higher than previously reported
Oxygen levels in the atmosphere during the mid-Proterozoic—about 1.4 billion years ago—were higher than previously thought, according to an international team of researchers who looked at oxygen combined with sulfur to ...
Earth Sciences
Mar 25, 2022
0
27
Ocean currents modulate oxygen content at the equator
Due to global warming, not only the temperatures in the atmosphere and in the ocean are rising, but also winds and ocean currents as well as the oxygen distribution in the ocean are changing. For example, the oxygen content ...
Earth Sciences
Apr 19, 2021
1
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