Unraveling life's origin: Five key breakthroughs from the past five years
There is still so much we don't understand about the origin of life on Earth.
There is still so much we don't understand about the origin of life on Earth.
Cell & Microbiology
May 4, 2024
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A team of agrochemists from Russia, Germany, and Chile confirmed the so-called ferrous wheel hypothesis—the turnover of iron in the soil that enriches it with organic nitrogen. The results of the study were published in ...
Earth Sciences
Apr 12, 2019
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7
Researchers at Penn State are refining a natural, low-cost process that will help remove some of the most abundant pollutants, such as iron, from mine-contaminated water.
Cell & Microbiology
Jun 8, 2016
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13
A UWA geologist has proposed a hypothesis which threatens to overturn conventional notions of the way Banded Ironstone Formations (BIF) first evolved.
Earth Sciences
Mar 3, 2015
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In heme biosynthesis, the terminal step is the insertion of ferrous iron into protoporphyrin IX (PPIX) by the enzyme ferrochelatase. Under physiological conditions, small amounts of zinc protoporphyrin IX (ZnPP) are formed ...
Nanophysics
Jul 31, 2014
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Hexavalent chromium is a major environmental contaminant at several Department of Energy (DOE) sites as well as other sites around the world. Iron-reducing bacteria can convert the oxidized form of iron in clay minerals, ...
Materials Science
Jun 18, 2014
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(Phys.org) —The release of wastes associated with nuclear reprocessing from storage facilities into the underlying sediments and groundwater is an important environmental concern. Scientists working with two national laboratories ...
Earth Sciences
Apr 9, 2014
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The release of wastes associated with nuclear reprocessing from storage facilities into the underlying sediments and groundwater is an important environmental concern at the Hanford Site. This study provides evidence that ...
Environment
Feb 28, 2014
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2
Although microbes that live in the so-called "dark ocean"—below a depth of some 600 feet where light doesn't penetrate—may not absorb enough carbon to curtail global warming, they do absorb considerable amounts of carbon ...
Earth Sciences
Sep 5, 2013
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(PhysOrg.com) -- The long-lasting radionuclide technetium is transported through the subsurface near former nuclear production and processing sites, moving toward rivers and lakes. But its journey can come to an abrupt end ...
Materials Science
Feb 21, 2011
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