Early Earth's hot mantle may have led to Archean 'water world'
A vast global ocean may have covered early Earth during the early Archean eon, 4 to 3.2 billion years ago, a side effect of having a hotter mantle than today, according to new research.
A vast global ocean may have covered early Earth during the early Archean eon, 4 to 3.2 billion years ago, a side effect of having a hotter mantle than today, according to new research.
Earth Sciences
Mar 30, 2021
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7140
For ice, so-called 'surface melting' was postulated as early as the 19th century by Michael Faraday: Already below the actual melting point, i.e. 0 °C, a thin liquid film forms on the free surface because of the interface ...
General Physics
Mar 9, 2021
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90
An international team of researchers has found evidence of the mineral jarosite in ice cores extracted from Antarctica. In their paper published in the journal Nature Communications, the researchers describe how the discovery ...
The large mollusk known as the California mussel makes its home in the rocky shoreline along the Pacific Coast from Mexico to Alaska. Considered a "foundational" animal, Mytilus californianus provides homes for hundreds of ...
Ecology
Jan 11, 2021
2
535
Ranchers need to keep in mind that the wrong quantities of minerals can be dangerous or even deadly to cattle, said experts from the Texas A&M AgriLife Extension Service.
Plants & Animals
Dec 7, 2020
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4
A sphere and a cube can be deformed into one another without cuts or stitches. A mug and a glass cannot because, to deform the first into the second, the handle needs to be broken. Topology is the branch of mathematics that ...
General Physics
Nov 13, 2020
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15
Researchers have discovered how a protein in plant roots controls the uptake of minerals and water, a finding which could improve the tolerance of agricultural crops to climate change and reduce the need for chemical fertilizers.
Plants & Animals
Sep 4, 2020
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350
From the creation of a single droplet to the flow of a river and the world's hydrological cycle—how water binds together, and to different surfaces, has far-reaching consequences. Examining water through a new lens, a group ...
Materials Science
Aug 4, 2020
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253
If we took a journey from Earth's surface to the center, the midway point is roughly at 1900 km depth in the lower mantle. The lower mantle ranges from 660 to 2900 km depth and occupies 55% of our planet by volume. The chemical ...
Earth Sciences
May 22, 2020
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11
CSIRO researcher Dr. Nathan Reid led a team of scientists analyzing samples of groundwater from the Capricorn region in Western Australia, where layers of sediment and weathering are believed to hide potential ore deposits ...
Earth Sciences
May 20, 2020
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4