How did we get from stardust to where we are today? That's the question NASA scientist Andrew Needham has pondered his entire career.
Space Exploration
Apr 4, 2023
0
49
Using a newly developed technique, researchers have ruled out a potential source of ancient dissolved organic matter (DOM) in the world's oceans.
Earth Sciences
Oct 14, 2022
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48
The Calvin-Benson cycle assimilates almost all the carbon in plants and is thus among the most important biochemical cycles for life on Earth. It is believed to be self-sufficient in that it regenerates its own substrate. ...
Plants & Animals
Feb 2, 2022
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425
Pre-COVID-19 pandemic, University of Ottawa biology student Megan Reich enjoyed the road trip of a lifetime, crisscrossing the east coast of the United States in search of a specific thrill: Milkweed.
Plants & Animals
Sep 13, 2021
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278
In a new study, investigators report an optimized approach to using laser-induced breakdown spectroscopy (LIBS) for analyzing hydrogen isotopes. Their new findings could enable improved rapid identification and measurement ...
Optics & Photonics
Feb 1, 2021
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21
To better understand how the novel coronavirus behaves and how it can be stopped, scientists have completed a three-dimensional map that reveals the location of every atom in an enzyme molecule critical to SARS-CoV-2 reproduction.
Biochemistry
Oct 27, 2020
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329
The hydrogen isotopic composition of sedimentary n-alkanes can be used to study paleoclimate, organic matter sources and petroleum genesis. However, the hydrogen isotopic composition of sedimentary n-alkanes is affected by ...
Materials Science
Apr 9, 2020
0
4
In Jessica Barnes' palm is an ancient, coin-sized mosaic of glass, minerals and rocks as thick as a strand of wool fiber. It is a slice of Martian meteorite, known as Northwest Africa 7034 or Black Beauty, that was formed ...
Space Exploration
Mar 30, 2020
1
356
Fusion may be the future of clean energy. The same way the sun forces reactions between light elements, such as hydrogen, to produce heavy elements and heat energy, fusion on Earth can generate electricity by harnessing the ...
Plasma Physics
Feb 26, 2020
0
375
The quantum nature of hydrogen bonds in water manifests itself in peculiar physicochemical isotope effects: While deuteration often elongates and weakens hydrogen bonds of typical hydrogen-bonded systems composed of bulky ...
Materials Science
Dec 3, 2019
0
8
