The emergence of oxygenic photosynthesis made it possible for complex multicellular life-forms to evolve on Earth. By utilizing solar energy to turn carbon dioxide into sugars, while also generating molecular oxygen from ...
Cell & Microbiology
Jun 16, 2020
0
116
About 2.4 billion years ago, at the end of the Archean Eon, a planet-wide increase in oxygen levels called the Great Oxidation Event (GOE) created the familiar atmosphere we all breathe today. Researchers focused on life's ...
Earth Sciences
Dec 5, 2019
0
155
For the first time in the history of space exploration, scientists have measured the seasonal changes in the gases that fill the air directly above the surface of Gale Crater on Mars. As a result, they noticed something baffling: ...
Space Exploration
Nov 12, 2019
17
1089
Planets that are even a little like Earth are hard to find. That's why when astronomers like Jennifer G. Winters come across a body that may be solid, rocky, and possibly have its own atmosphere, they get excited. And especially ...
Astronomy
Oct 24, 2019
4
134
Researchers at the University of Kentucky found that when aqueous solutions with pyruvic acid, a 2-oxocarboxylic acid, were exposed to light, the generated triplet excited state could efficiently convert dissolved molecular ...
Materials Science
Oct 14, 2019
0
21
Over-fertilization of agricultural fields is a huge environmental problem. Excess phosphorus from fertilized cropland frequently finds its way into nearby rivers and lakes. A resulting boom of aquatic plant growth can cause ...
Biotechnology
Sep 2, 2019
0
247
Could chemists be ready to ditch the venerable test tube, the very symbol of chemistry in the minds of many people? Maybe not quite yet, but Caltech's Jack Beauchamp is working on it.
Biochemistry
Jul 29, 2019
1
41
Researchers from MIPT, Skoltech, the Joint Institute for High Temperatures of the Russian Academy of Sciences, and Lomonosov Moscow State University report a new approach to oil composition analysis. They used high temperature ...
Materials Science
Jun 21, 2019
0
5
Science fiction stories are chock full of terraforming schemes and oxygen generators for a very good reason—we humans need molecular oxygen (O2) to breathe, and space is essentially devoid of it. Even on other planets with ...
Materials Science
May 24, 2019
2
1192
An international scientific group including a RUDN chemist have developed a complex copper-based compound with stronger antibacterial properties compared to analogs, and is cheaper to produce. The scientists confirmed that ...
Biochemistry
Feb 13, 2019
0
7
