They reveal the origin of wine, the age of bones and fossils, and they serve as diagnostic tools in medicine. Isotopes and isotopologues—molecules that differ only in the composition of their isotopes—also play an increasingly ...
Astronomy
Nov 7, 2023
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100
Whoever smelt it dealt it … especially if what's been dealt smells like rotten eggs. The culprit behind that eggy stink is hydrogen sulfide (H2S), a colorless, pungent gas produced by both mammalian and bacterial cells ...
Cell & Microbiology
Oct 27, 2023
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34
Launching things into space is hard. Aside from the engines and software, orbital calculations and the launch pad, the tanks that hold the fuel are a masterful example of engineering in their own right. And ESA will soon ...
Space Exploration
Oct 25, 2023
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6
It's easy to get swept up in the swirling starry arms of this intermediate spiral galaxy, NGC 4654, in the constellation Virgo. The galaxy has a bright center and is labeled "intermediate" because it has characteristics of ...
Astronomy
Oct 3, 2023
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43
There are unexplored regions of the universe—and there are also unexplored times. In fact, there's a nearly 400-million-year gap in our universe's history that we've never seen: a time before stars known as the Dark Ages. ...
Space Exploration
Sep 26, 2023
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85
Hydrogen gas is a clean, renewable alternative to fossil fuels, but current industrial production methods used to produce hydrogen release carbon into the atmosphere and pollute the environment.
Nanomaterials
Sep 6, 2023
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65
The diminishing conventional energy resources based on fossil fuels and their related environmental consequences have drawn attention around the world toward the development of renewable energy resources. These renewable ...
In recent years, hydrogen gas has gained momentum as the fuel for a clean and green future. This carbon-neutral fuel source releases huge amounts of energy via combustion in the presence of oxygen with water vapor as the ...
Materials Science
Aug 9, 2023
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10
Development of hydrogen-related technologies is essential to realize and sustain a carbon-neutral society. Hydrogen is obtained from water electrolysis; however, the existing catalysts are made of rare and expensive metals. ...
Materials Science
Jul 20, 2023
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9
Flexible spheres of the biomolecule chitosan, made from shrimp waste, can be used for catalysts that generate hydrogen gas from borohydride salts. In a paper in Green Chemistry, a research team at the University of Amsterdam ...
Biochemistry
Jul 20, 2023
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