(PhysOrg.com) -- When two galaxies merge to form a giant, the central supermassive black hole in the new galaxy develops an insatiable appetite. However, this ferocious appetite is unsustainable.
Astronomy
Feb 24, 2011
22
0
Light measurement devices called optical frequency combs have revolutionized metrology, spectroscopy, atomic clocks, and other applications. Yet challenges with developing frequency comb generators at a microchip scale have ...
Optics & Photonics
May 22, 2024
0
1
New research has uncovered a feedback loop that may be accelerating the melting of the floating portions of the West Antarctic Ice Sheet, pushing up global sea levels.
Earth Sciences
Apr 22, 2024
1
1326
Models of the global carbon cycle typically include plants, microbes, soil, and the atmosphere. But they may be leaving out an important variable: Animals, from earthworms to elephants, can have a significant, though heretofore ...
Environment
Apr 16, 2024
0
308
Branching patterns are prevalent in our natural environment and the human body, such as in the lungs and kidneys. For example, specific genes that express growth factor proteins are known to influence the development of the ...
Cell & Microbiology
Mar 28, 2024
0
1
Typically viewed as unrelated problems, global warming and plastic pollution are instead inextricably trapped in a "vicious circle" where one feeds the other, researchers in Sweden report in Nature Communications. The mutually-reinforcing ...
Environment
Mar 19, 2024
0
73
The accuracy of climate models depends on many factors—greenhouse gas emissions from industrial and transportation activity, farm animal "emissions," urban growth and loss of forests, and solar reflections off snow and ...
Earth Sciences
Mar 7, 2024
0
53
A systematic analysis of 40 years of studies on public crop breeding programs found that cereal grains receive significantly more research attention than other crops important for food security, such as fruits and vegetables; ...
Other
Feb 22, 2024
0
8
Wageningen researchers have discovered a molecular self-destruct mechanism in a bacterium living on seaweed. With this mechanism the bacteria sacrifice themselves when they are infected, thus protecting their brothers and ...
Cell & Microbiology
Feb 16, 2024
0
29
Over the last 20 years, researchers in biology and medicine have created Boolean network models to simulate complex systems and find solutions, including new treatments for colorectal cancer.
Molecular & Computational biology
Jan 23, 2024
0
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