For at least a billion years of the distant past, planet Earth should have been frozen over but wasn't. Scientists thought they knew why, but a new modeling study from the Alternative Earths team of the NASA Astrobiology ...
Earth Sciences
Sep 27, 2016
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20
Ozone (O3) in the troposphere negatively impacts crop growth and development, causing significant decreases in crop yield worldwide. This airborne pollutant does not come directly from smokestacks or vehicles but instead ...
Plants & Animals
Nov 13, 2023
0
27
(PhysOrg.com) -- Researchers led by Matt Sullivan at the University of Arizona are among the first to dive into the world of viruses drifting through the world's oceans.
Cell & Microbiology
Mar 1, 2012
0
0
Understanding the interplay between bacteria and sulfur is leading to exciting biotechnologies that could enable crops to be irrigated with salty water.
Molecular & Computational biology
Nov 15, 2021
1
128
In the Earth's early history, several billion years ago, only traces of oxygen existed in the atmosphere and the oceans. Today's air-breathing organisms could not have existed under those conditions. The change was caused ...
Earth Sciences
Jan 18, 2018
1
48
A new study conducted by a team of scientists from the Max Planck Institute for Chemistry (MPIC) reveals that the adverse health effects of fine particulate matter (PM2.5) are attributable to the conversion of peroxides into ...
Biochemistry
May 17, 2023
0
4
(PhysOrg.com) -- Virginia Commonwealth University researchers have found that the protein Stat3 plays a key role in regulating mitochondria, the energy-producing machines of cells. This discovery could one day lead to the ...
Jan 28, 2009
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0
An international team of biologists led by Indiana University's David M. Kehoe has identified both the enzyme and molecular mechanism critical for controlling a chameleon-like process that allows one of the world's most abundant ...
Cell & Microbiology
Nov 26, 2012
0
0
Hydrogen fuel is clean, renewable and of high efficiency. Water electrolysis is an ideal way to produce hydrogen, yet it requires active and stable catalysts that make this process more efficient and cheaper. Without suitable ...
Materials Science
Mar 22, 2019
0
7
Researchers from the Genomic Instability and Cancer Laboratory at Institute for Research in Biomedicine (IRB Barcelona) have identified a key role for EXD2 in protein production in the mitochondria, the cellular organelles ...
Cell & Microbiology
Jan 16, 2018
0
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