We all know that the dinosaurs died in a mass extinction. But did you know that there were other mass extinctions? There are five most significant mass extinctions, known as the "big five," where at least three-quarters of ...
Earth Sciences
Nov 1, 2021
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314
In a new study, Stanford researchers have strongly bolstered the theory that a lack of oxygen in Earth's oceans contributed to a devastating die-off approximately 444 million years ago. The new results further indicate that ...
Earth Sciences
Apr 14, 2020
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1824
Chemical changes in the oceans more than 800 million years ago almost destroyed the oxygen-rich atmosphere that paved the way for complex life on Earth, new research suggests.
Earth Sciences
Mar 2, 2020
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85
The protein p53 plays an essential role in the prevention of cancer by initiating the controlled death of a cell with damaged genes which is in danger to transform into a cancerous cell. The heat shock protein Hsp90, in turn, ...
Biotechnology
Sep 7, 2011
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0
As more and more nutrients from land and air enter the world's oceans, the dead zones without oxygen in the water will increase in size and intensity. That is the warning that Ph.D. student Zoë van Kemenade, an organic geochemist ...
Earth Sciences
Mar 25, 2024
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1
Anoxia threatens inland waters worldwide. Once it has occurred in a lake, the lack of oxygen even sets in motion a downward spiral that accelerates with increasing global warming. This is indicated by the results of an international ...
Ecology
Jan 5, 2024
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11
The waters of the St. Lawrence Estuary are running out of breath. The lack of oxygen in deep waters is affecting the organisms that live on the bottom of the estuary.
Ecology
Nov 22, 2023
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1
At the end of the Permian Period, approximately 250 million years ago, more than 80 percent of all maritime species became extinct after volcanic eruptions in Siberia released huge quantities of greenhouse gases and caused ...
Paleontology & Fossils
Sep 6, 2022
1
52
Climate change is causing increased flooding and prolonged waterlogging in northern Europe, but also in many other parts of the world. This can damage meadow grasses, field crops or other plants—their leaves die, the roots ...
Plants & Animals
Jul 6, 2021
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10
The area of Danish seas affected by low oxygen levels—a problem triggered by climate change—has doubled in the space of a year, according to a university report published Friday.
Environment
Aug 28, 2020
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