Plants need nitrogen and carbon to grow. Photosynthesis allows them to take in the latter directly from the air, but they have to procure nitrogen through their roots in the form of organic molecules like ammonia or urea. ...
Materials Science
Sep 26, 2014
1
0
A Cornell-led collaboration harnessed chemical reactions to make microscale origami machines self-fold—freeing them from the liquids in which they usually function, so they can operate in dry environments and at room temperature.
Materials Science
May 2, 2023
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167
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
Earth's climate is out of balance: the planet has been warming since industrialization began, because CO2 increasingly collects in the atmosphere. Even an immediate stop of all emissions would not bring global warming to ...
Environment
Aug 14, 2017
12
81
A Russian-Belorussian research team has developed a new tungsten oxide–based gas sensing material that shows high sensitivity to carbon monoxide, nitrogen dioxide and acetone. The new material's gas sensing response was ...
Nanomaterials
May 27, 2022
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40
Images taken by a new European satellite show the levels and distribution of air pollutants around the world, including ash spewing from a volcano in Indonesia.
Environment
Dec 1, 2017
0
18
(Phys.org) —A study conducted by Alberto Salvo and Franz Geiger of the National University of Singapore and Northwestern University respectively, has revealed that when drivers switch from using ethanol to power their vehicles, ...
Nitrogen oxides (NOx) are some of the most significant pollutants in our atmosphere—they contribute to the formation of smog, acid rain and ground-level ozone. Because of this, combustion researchers and engine companies ...
Materials Science
Mar 12, 2018
0
103
Your ride might be a modest one—but if it burns gasoline, you have precious metals on board. To reduce pollution at the tailpipe, gasoline cars and trucks today come equipped with catalytic converters that contain platinum-group ...
Materials Science
Aug 19, 2021
0
333
Many microbes have an enzyme that can convert carbon dioxide to carbon monoxide. This reaction is critical for building carbon compounds and generating energy, particularly for bacteria that live in oxygen-free environments.
Biochemistry
Oct 2, 2018
0
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