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
Hydrogen as a fuel source, rather than hydrocarbons like oil and coal, offers many benefits. Burning hydrogen produces harmless water with the potential to eliminate carbon dioxide emissions and their environmental burden. ...
Materials Science
Jan 17, 2018
0
9
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
29
The University of Twente and the German research centre Jülich are collaborating on developing membranes for an efficient separation of gasses, to use for the production of oxygen or hydrogen, for example.
Materials Science
Jul 24, 2017
0
5
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
3
20
Over the years, there have been many efforts to use antioxidants to prevent or help treat various diseases and aging. While reactive oxygen species (ROS), can damage and kill cells - these molecules have also been implicated ...
Cell & Microbiology
Jul 7, 2016
0
205
Earth scientists from Rice University, Yale University and the University of Tokyo are offering a new answer to the long-standing question of how our planet acquired its oxygenated atmosphere.
Earth Sciences
May 16, 2016
0
1087
Researchers report the catalysis of a highly specific chemical reaction where oxygen from the air is one ingredient and the other, an organic molecule, is selectively "oxidised". A simple manganese compound catalyses this ...
Materials Science
Jan 28, 2016
0
13
At the bottom of an icy Antarctic lake, a thin, slimy layer of bright green microbes is generating a tiny oasis of oxygen that might give a picture of what early Earth looked like before oxygen became common in the atmosphere. ...
Earth Sciences
Jan 20, 2016
0
31
Falling oxygen levels caused by global warming could be a greater threat to the survival of life on planet Earth than flooding, according to researchers from the University of Leicester.
Environment
Dec 1, 2015
13
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