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
0
7
Matter is composed of chemical elements mainly created in stars via nuclear reactions and complex nuclear reaction networks. To understand these processes, we need to know properties of participating nuclei, such as their ...
Astronomy
Mar 8, 2019
0
85
By taking nitrogen out of the air and turning it into plant nutrients, some bacteria help plants like beans, peas, and clovers thrive. How? A study shows that the traditional view of this symbiotic relationship doesn't capture ...
Plants & Animals
Feb 28, 2019
0
6
University of Groningen scientists have developed nanopores to directly measure the mass of peptides. Although the resolution needs improvement, this proof of principle shows that a cheap and portable peptide mass spectrometer ...
Analytical Chemistry
Feb 20, 2019
0
92
Fossil-hunting can be grueling, but it's usually not gross. Paleontologists typically work with things that have been dead for millions of years, mineralized into rock and no longer smelly. At the end of a day in the field, ...
Plants & Animals
Feb 19, 2019
0
69
For more than a decade, scientists have worked to understand the connection between colibactin, a compound produced by certain strains of E. coli, and colorectal cancer, but have been hampered by their inability to isolate ...
Biochemistry
Feb 14, 2019
0
59
Fuel cells powered by electrocatalytic reactions have the potential to eliminate pollution caused by burning fossil fuels, if they could be made more efficient. Key to higher efficiency are the chemical reactions at the surfaces ...
Analytical Chemistry
Feb 12, 2019
0
8
How are chemicals distributed in a cell? Chinese scientists have developed a combined mass spectrometry and biological imaging device that enables direct, label-free detection, and high-resolution mapping of chemicals inside ...
Analytical Chemistry
Feb 7, 2019
0
58
Southwest Research Institute has developed a high-reliability, high-voltage optocoupler for spaceflight applications. NASA has selected the device as a power interface between the Europa Clipper spacecraft and three instruments ...
Space Exploration
Feb 6, 2019
0
8
A new electron microscopy technique that detects the subtle changes in the weight of proteins at the nanoscale—while keeping the sample intact—could open a new pathway for deeper, more comprehensive studies of the basic ...
Nanophysics
Jan 31, 2019
0
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