Pores in atmospheric particles allow water to condense, leading to the formation of ice crystals in humid but unsaturated air. This is a new way of thinking of ice crystal formation in clouds, particularly cirrus clouds.
Earth Sciences
Apr 1, 2019
0
96
Five years ago, in March 2014, researchers spent three hours packed aboard a steamy Gulfstream-1 research aircraft as it zig-zagged between pristine air over the Amazon rainforest and polluted air nearby. It was like a trip ...
Earth Sciences
Mar 29, 2019
0
59
Josh Moss is a Ph.D. student in the lab of Professor Jesse Kroll, where he studies atmospheric chemistry and examines the chemistry of gases and particles in the atmosphere that humans are releasing and their interactions ...
Earth Sciences
Feb 25, 2019
0
6
In the atmosphere, individual soot particles emitted from human activities often encounter and combine with organic material, forming soot-containing particles. A research team led by scientists from the U.S. Department of ...
Earth Sciences
Feb 13, 2019
0
4
An unknown influence is allowing giant dust particles to spread around the world and could be contributing to global warming, scientists have found.
Earth Sciences
Dec 18, 2018
5
190
According to a recent study published in the journal Science Advances, air pollution not only affects air quality, but it also changes the pathways along which new particles are formed in the atmosphere.
Earth Sciences
Dec 17, 2018
0
37
Tiny particles of sodium salt float in the air over the pristine Amazon basin. Why? The only explanation before now has been that winds blow marine particles hundreds of miles inland from the Atlantic Ocean. An international ...
Cell & Microbiology
Nov 20, 2018
0
2
Fire is devastating. It consumes. It destroys and leaves behind a pernicious force in the form of smoke. Although most people might think that smoke rises and then clears after a fire has been extinguished the opposite ...
Environment
Nov 19, 2018
0
13
New particle formation in the atmosphere provides the nucleation centres required for the formation of clouds, making it an important process for understanding climate. Efforts to investigate the complex balance of chemistry ...
Earth Sciences
Oct 29, 2018
0
7
A 2016 study showed that exposure to urban pollution involving magnetite particles played a role in the development of Alzheimer's disease. It began from the hypothesis that magnetite particles would generate chemical reactions ...
Biochemistry
Oct 11, 2018
0
9
