Researchers have demonstrated that stainless steel and other metal alloys coated with hexagonal boron nitride, or hBN, exhibit non-stick or low-friction qualities along with improved long-term protection against harsh corrosion ...
Nanomaterials
Jan 15, 2024
0
22
Sulfur, an essential nutrient for plants, was as free as air back in the 1980s, drifting down onto farmers' fields from the polluted sky. The nutrient also caused acid rain, however, and it triggered chemistry that meant ...
Ecology
Jan 9, 2023
0
58
Removal of pollutants from the air, or atmospheric deposition, is a natural cleaning mechanism. However, the removed toxic materials don't just disappear on the Earth. China's Soil Pollution Survey released in 2014 shows ...
Environment
Mar 2, 2021
0
5
Atmospheric nitrogen deposition has a significant impact on both terrestrial and aquatic ecosystems, and alterations in its level will significantly affect the productivity and stability of an ecosystem. In recent years, ...
Earth Sciences
Nov 14, 2019
0
7
Total production and the scale of industrial enterprises in China have expanded greatly since late 1970s. As such, long-term accumulated environmental risks have evolved and intensified, and China has entered a period of ...
Environment
Nov 13, 2019
0
11
Researchers have found that global changes, including warming temperatures and increased levels of carbon dioxide in the atmosphere, are causing a decrease in the availability of a key nutrient for terrestrial plants. This ...
Environment
Oct 22, 2018
4
1282
Science fiction writers have long featured terraforming, the process of creating an Earth-like or habitable environment on another planet, in their stories. Scientists themselves have proposed terraforming to enable the long-term ...
Space Exploration
Jul 30, 2018
113
1731
The limited availability of ammonia (NH3) measurements is currently a barrier to understanding the vital role of NH3 in secondary aerosol formation during haze pollution events, and prevents a full assessment of the atmospheric ...
Environment
Mar 7, 2018
0
9
For Stephen Norton, lakes hold a treasure trove of precious scientific information. For the past 40 years, Norton, professor emeritus at the University of Maine, has studied lakes by evaluating sediment cores from around ...
Environment
Aug 10, 2016
0
16
A new study suggests that improvements in air quality over the Potomac watershed, including the Washington, D.C., metro area, may be responsible for recent progress on water quality in the Chesapeake Bay. Scientists from ...
Environment
Jul 26, 2016
0
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