Dense, hazy fog episodes characterized by relatively high humidity, low visibility and extremely high PM2.5 have been a headache to many megacities, including those in mainland China. Among pollutants that are less than 2.5 ...
Earth Sciences
Dec 27, 2019
0
131
Scientists from Tokyo Metropolitan University have developed a low-temperature catalyst for removing NOx gas from industrial exhaust using ammonia. Composed of bulk "defective" vanadium oxide instead of vanadium oxides supported ...
Materials Science
Nov 18, 2019
0
34
An international team of scientists involving The University of Western Australia's School of Molecular Sciences, the ARC Centre of Excellence in Plant Energy Biology and Lund University has made the surprising discovery ...
Plants & Animals
Oct 29, 2019
4
1583
We've known for decades that catalysts speed up the reaction that reduces harmful industrial emissions. And now, we know exactly how they do it.
Materials Science
Oct 24, 2019
0
195
A new global study of how calcium concentrations are changing in freshwater lakes around the world has revealed that in widespread areas in Europe and eastern North America, calcium levels are declining towards levels that ...
Environment
Aug 6, 2019
4
388
Researchers say mercury buried in ancient rock provides the strongest evidence yet that volcanoes caused the biggest mass extinction in the history of the Earth.
Earth Sciences
Apr 15, 2019
9
413
Radioactive fallout from nuclear meltdowns and weapons testing is nestled in glaciers across the world, scientists said Wednesday, warning of a potentially hazardous time bomb as rising temperatures melt the icy residue.
Environment
Apr 10, 2019
15
1162
The Manaro Voui volcano on the island of Ambae in the nation of Vanuatu in the South Pacific Ocean made the 2018 record books. A NASA-NOAA satellite confirmed Manaro Voui had the largest eruption of sulfur dioxide that year.
Environment
Feb 28, 2019
0
50
(Phys.org)—A team of researchers from China and the U.S. has found evidence of ancient weathering in a glacial deposit in China's Hunan province. In their paper published in Proceedings of the National Academy of Sciences, ...
Sixty six million years ago, the dinosaurs suddenly disappeared, along with most of the species on the planet. The extinction occurred at precisely the same time that a giant asteroid struck the Earth. The fact that the two ...
Earth Sciences
Jul 15, 2016
28
331
