(PhysOrg.com) -- Scientists have identified an unexpected metabolic ability in a symbiotic community of deep-sea microorganisms. It may help solve a lingering mystery about the world's nitrogen cycle.
Earth Sciences
Oct 15, 2009
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(PhysOrg.com) -- Scientists worry that rising global temperatures accompanied by melting permafrost in arctic regions will initiate the release of underground methane into the atmosphere. Once released, that methane gas would ...
Earth Sciences
Sep 2, 2009
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Researchers at the University of Liverpool have discovered that the Amazon river, and its transcontinental drainage, is around 11 million years old and took its present shape about 2.4 million years ago.
Earth Sciences
Jul 29, 2009
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As carbon dioxide accumulates in the atmosphere, the Earth will get hotter. But exactly how much warming will result from a certain increase in CO2 is under study. The relationship between CO2 and warming, known as climate ...
Earth Sciences
Apr 17, 2024
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It carries more than 100 times as much water as all the world's rivers combined. It reaches from the ocean's surface to its bottom, and measures as much as 2,000 kilometers across. It connects the Indian, Atlantic and Pacific ...
Earth Sciences
Mar 27, 2024
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61
Oxygen is fundamental to sustaining life on Earth. The ocean gets its oxygen from its uppermost layers in contact with the atmosphere. As our planet continues to warm, the ocean is gradually losing its capacity to absorb ...
Earth Sciences
Feb 15, 2024
0
180
In the early hours of 30 October 1961, a Russian bomber took off and flew north. The plane was headed for the Novaya Zemlya archipelago in the Russian part of the Arctic. When the pilot saw the islands far below, he released ...
Earth Sciences
Dec 19, 2023
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Nineteen million years ago, during a time known as the early Miocene, massive ice sheets in Antarctica rapidly and repeatedly grew and receded. The Miocene is widely considered a potential analog for Earth's climate in the ...
Earth Sciences
Nov 29, 2023
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115
The deep sea is home to one of the world's largest communities of animals about which we still know very little. Yet it is already subject to a growing number of human-induced environmental pressures. How do its inhabitants ...
Plants & Animals
Nov 21, 2023
0
57
World War II concluded decades ago, but live mines lurking on the ocean floor still pose threats, potentially spewing unexpected geysers or releasing contaminants into the water. Experts conduct controlled explosions to clear ...
Environment
Nov 20, 2023
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