X-ray spectromicroscopy at the Scanning X-ray Microscopy beamline (I08), here at Diamond, has been utilised to pinpoint chemically reduced iron and calcium compounds within protein plaques derived from brains of Alzheimer's ...
Bio & Medicine
May 17, 2018
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187
An isolated, iron-rich bay in the heart of East Africa is offering scientists a rare glimpse back into Earth's primitive marine environment, and supports theories that tiny microbes created some of the world's largest ore ...
Earth Sciences
Sep 9, 2015
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104
A new study examines how Earth's oldest iron formations could have been formed before oxygenic photosynthesis played a role in oxidizing iron.
Earth Sciences
Nov 7, 2014
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0
(Phys.org) —Researchers from the University of Tübingen have been able to show for the first time how microorganisms contributed to the formation of the world's biggest iron ore deposits. The biggest known deposits – ...
Earth Sciences
Apr 25, 2013
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2
(PhysOrg.com) -- Iron furnaces that once dotted central Pennsylvania may have left a legacy of manganese enriched soils, according to Penn State geoscientists. This manganese can be toxic to trees, especially sugar maples, ...
Environment
Dec 10, 2010
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0
(PhysOrg.com) -- The widespread idea that Mars is red due to rocks being rusted by the water that once flooded the red planet may be wrong. Recent laboratory studies show that the red dust may be formed by ongoing grinding ...
Space Exploration
Sep 18, 2009
2
0
The shape of Earth's orbit around the sun and the orientation of its axis undergo regular variations over periods of thousands to millions of years. These variations—known as Milankovitch cycles after the Serbian geophysicist ...
Earth Sciences
May 31, 2019
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23
Though they may seem rock solid, the ancient sedimentary rocks called iron formations - the world's chief economic source of iron ore - were once dissolved in seawater. How did that iron go from a dissolved state to banded ...
Earth Sciences
Apr 10, 2017
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9
Salicylic acid is a plant hormone best known for its use as a key ingredient in pain relievers, anti-acne preparations and medications for skin conditions. We also consume mild doses of salicylic acid when we eat fruits and ...
Cell & Microbiology
Feb 3, 2017
0
18
How long has Earth's atmosphere included oxygen? A recent paper suggests low levels of oxygen appeared in the atmosphere approximately 2.95 billion years ago. That's about 550 million years earlier than previously thought.
Earth Sciences
Dec 11, 2013
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