New process aims to strip ammonia from wastewater
A dash of ruthenium atoms on a mesh of copper nanowires could be one step toward a revolution in the global ammonia industry that also helps the environment.
A dash of ruthenium atoms on a mesh of copper nanowires could be one step toward a revolution in the global ammonia industry that also helps the environment.
Nanomaterials
May 2, 2022
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696
Changes in the concentration of atmospheric carbon dioxide (CO2) are considered to be the main cause of past and future climate change. A long-standing debate centers on whether the roughly 30 percent lower CO2 content of ...
Environment
Apr 19, 2022
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50
On a sweltering July day in 1984, Jane Menken stepped off a plane in the teeming capital city of Dhaka, Bangladesh, boarded a van for a dusty, four-hour journey to the remote villages to the south and embarked on a decades-long ...
Social Sciences
Feb 16, 2022
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236
Nitrogen fertilizers are critical for growing crops to feed the world, yet when applied in excess can pollute our water for decades. A new study provides six steps to address nitrogen pollution and improve water quality.
Environment
Feb 14, 2022
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436
The 4,500-year-old iconography and texts from Mesopotamia show that the elite used equids for travel and warfare; however, the nature of these animals remained mysterious. In Science Advances (January 14, 2022), a team from ...
Plants & Animals
Jan 14, 2022
3
151
Measuring plant phenotypes, a term used to describe the observable characteristics of an organism, is a critical aspect of studying and improving economically important crops. Phenotypes central to the breeding process include ...
Cell & Microbiology
Dec 7, 2021
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135
A pair of researchers at the University of California, Davis has found that the neonicotinoid pesticide imidacloprid can reduce fertility rates in the blue orchard bee. In their paper published in Proceedings of the National ...
A new NASA-led study is the first to document changing atmospheric ammonia (NH3) concentrations in Africa over an extended period. Ammonia is an air pollutant which can lead to heart and lung related illness. When present ...
Earth Sciences
Nov 17, 2021
0
36
Why did some ancient Khmer and Mesoamerican cities collapse between 900-1500CE while their rural surrounds continued to prosper? Intentional adaptation to climate changed conditions may be the answer, suggests a new study, ...
Environment
Sep 28, 2021
5
236
New research on China suggests that declining birth rates and an aging population might not hinder future prosperity when associated with better education of the young.
Social Sciences
Sep 27, 2021
2
66