The anaerobic oxidation of ammonia (anammox) is an important pathway in the nitrogen cycle that was only discovered in the 1980s. Currently, scientists estimate that about 50 percent of the nitrogen in the atmosphere is forged ...
Cell & Microbiology
Oct 5, 2011
0
0
(Phys.org) —In the winter, brown and black bears go into hibernation to conserve energy and keep warm.
Plants & Animals
Feb 10, 2014
0
0
Scavenger receptors (SRs) have been shown to participate in regulating the immune response of macrophages. Fucoidans from kelp have good immunomodulatory activity; however, the roles of SRs in the immunomodulatory activity ...
Plants & Animals
Jul 8, 2022
0
13
The next generation of catalytic converters could have longer lifetimes and need fewer rare materials to operate, a new study suggests.
Analytical Chemistry
Apr 6, 2022
1
88
(PhysOrg.com) -- The tiny, plant-like Heterosigma akashiwo is too small to see with the naked eye, but the microscopic algae may pack a big environmental punch. University of Delaware researchers are studying whether the ...
Biotechnology
Mar 14, 2012
0
1
The effect of nitric acid on aerosol particles in the atmosphere may offer an explanation for the smog seen engulfing cities on frosty days. Under laboratory conditions, researchers at CERN in Switzerland observed the formation ...
Environment
May 27, 2020
0
112
Nitric oxide is an important signaling molecule in the body, with a role in building nervous system connections that contribute to learning and memory. It also functions as a messenger in the cardiovascular and immune systems.
Bio & Medicine
Jun 29, 2020
0
125
(Phys.org) —A 17-year old bet among scientists at the Karolinska Institute has been a wager that whoever wrote the most articles with Dylan quotes before they retired would get a free lunch. Results included papers such ...
Nitrogen is an essential component of life. For example, it is required for the production of proteins. Boran Kartal, head of the Microbial Physiology group at the Max Planck Institute for Marine Microbiology in Bremen, studies ...
Biochemistry
Dec 2, 2019
0
11
Nearly a third of Earth's freshwater resources lie in groundwater—much more than in all lakes, rivers and the atmosphere combined, and exceeded only by the frozen water in polar ice caps. Accordingly, about half of humankind ...
Ecology
Jun 14, 2023
0
38
