The search for sustainable approaches to generating new fuels has brought scientists back to one of the most abundant materials on Earth—reddish iron oxide in the form of hematite, also known as rust.
Materials Science
Oct 21, 2019
1
587
Clues from Canadian rocks formed billions of year ago reveal a previously unknown loss of life even greater than that of the mass extinction of the dinosaurs 65 million years ago, when Earth lost nearly three-quarters of ...
Earth Sciences
Aug 29, 2019
5
1957
The enzyme-nitrogenase-can be traced back to the universal common ancestor of all cells more than four billion years ago.
Earth Sciences
Aug 22, 2019
0
65
Powering a massive biosphere on Earth, photosynthesis is the light-mediated reaction that converts carbon dioxide and water to carbohydrates and oxygen. About 2.3 billion years ago, this reaction led to a dramatic oxygenation ...
Earth Sciences
Jul 12, 2019
19
156
The quest to discover what drove one of the most important evolutionary events in the history of life on Earth has taken a new, fascinating twist.
Earth Sciences
Jun 19, 2019
1
46
A team of international scientists—including researchers at the University of St. Andrews, Syracuse University and Royal Holloway, University of London—have demonstrated a new source of food for early life on the planet.
Earth Sciences
May 21, 2019
1
252
Extreme fluctuations in atmospheric oxygen levels corresponded with evolutionary surges and extinctions in animal biodiversity during the Cambrian explosion, finds new study led by UCL and the University of Leeds.
Earth Sciences
May 6, 2019
3
551
MAX phases are viewed as promising materials for the future, for example, in the power, aerospace and medical implants industries. A new method developed by scientists from Forschungszentrum Jülich now makes it possible ...
Materials Science
Apr 4, 2019
0
30
In their search for life in solar systems near and far, researchers have often accepted the presence of oxygen in a planet's atmosphere as the surest sign that life may be present there. A new Johns Hopkins study, however, ...
Astronomy
Dec 17, 2018
23
126
Scientists recreated deep sea conditions from the last ice age and found that the tropical Pacific contained more carbon and less oxygen during that period than previously thought.
Earth Sciences
Oct 18, 2018
1
58
