Fine particulate matter comes from wood burning, power generation, motor vehicles and other combustion sources that emit tiny particles into the air. At only 2.5 micrometers or smaller, these particles are small enough to ...
Environment
Jul 13, 2023
0
68
In August 1865, a 10-pound rock fell from space to Earth, landing with a bang in the remote village of Sherghati, India. After being recovered by witnesses to the event, the stone passed into the possession of a local British ...
Planetary Sciences
May 3, 2023
0
51
In addition to oxygen, nitrogen or carbon dioxide, the air we breathe contains small amounts of organic gases, such as benzene and toluene. These oxidize into small particles or aerosols that contribute to the condensation ...
Earth Sciences
Jan 31, 2023
0
50
To assess damage caused to the ozone layer by charged particles in space that surround the Earth, an international team of researchers from Japan, the United States, and Canada studied a type of aurora called an "isolated ...
Planetary Sciences
Oct 12, 2022
0
58
A team of scientists has discovered microscopic dissolution seams that dissolve about 10 percent of the carbon in ancient deep-sea limestones where most of the world's carbon is stored.
Earth Sciences
Aug 27, 2021
1
1051
Research partly conducted at the Advanced Photon Source helped scientists discover the composition of Earth's first atmosphere. What they found raises questions about the origin of life on Earth.
Earth Sciences
Apr 28, 2021
1
540
Clouds form when water vapor in moist packets of air condenses onto atmospheric aerosols, such as particles of dust. The transition from dry particle to liquid water droplet is known as activation. The threshold for activation ...
Earth Sciences
Mar 18, 2021
0
26
Oceans cover almost three-quarters of the globe, yet little is known about how gases and aerosols made by ocean microbes affect weather and climate, or how human-produced pollution could influence this process. Now, scientists ...
Environment
Aug 17, 2020
0
53
A discovery that helps explain how organic matter produced by life thousands of years ago is ultimately removed from the sea has been published in Science Advances by Steven Beaupré of Stony Brook University's School of ...
Earth Sciences
Oct 24, 2019
0
102
Little life could endure the Earth-spanning cataclysm known as the Great Dying, but plants may have suffered its wrath long before many animal counterparts, says new research led by the University of Nebraska-Lincoln.
Earth Sciences
Jan 31, 2019
0
218
