Preparing the Juice mission to Jupiter has involved testing for all kinds of contingencies, down to the smallest of scales. This microscopic view shows surface damage to a tiny silver interconnector after being exposed to ...
Space Exploration
Apr 5, 2023
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8
Researchers at Kanazawa University report in Angewandte Chemie International Edition how the formation and deformation speed of interlocked molecular structures called rotaxanes can be tuned—a discovery that may lead to ...
Analytical Chemistry
Feb 24, 2023
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107
It's not easy to make sense of quantum-scale motion, but a new mathematical theory developed by scientists at Rice University and Oxford University could help—and may provide insight into improving a variety of computing, ...
General Physics
Feb 23, 2023
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184
Astronomers using W. M. Keck Observatory on Maunakea in Hawaiʻi have discovered that aurorae at visible wavelengths appear on all 4 major moons of Jupiter: Io, Europa, Ganymede, and Callisto.
Astronomy
Feb 16, 2023
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264
A study of the upper atmosphere's composition has successfully measured an increased presence of 18O, a heavier oxygen isotope with 10 instead of eight neutrons. Helmut Wiesemeyer (MPIfR Bonn) and his colleagues have measured ...
Earth Sciences
Feb 2, 2023
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25
In northern communities, seasonal snow plays a central role in day-to-day activities.
General Physics
Jan 13, 2023
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18
Certain enzymes from bacteria and algae can produce molecular hydrogen from protons and electrons—an energy carrier on which many hopes are riding. All they need for this purpose is light energy. The major obstacle to their ...
Biochemistry
Jan 11, 2023
0
96
Photosynthesis is the greatest natural process on Earth, converting sunlight into chemical energy on a massive scale and maintaining life. There are basically two successive stages of oxygenic photosynthesis, of which the ...
Biochemistry
Jan 10, 2023
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22
Researchers from Indiana University School of Medicine have discovered a molecular "clamping" mechanism within a male-specific protein-DNA complex whose mutation causes sex reversal: children with XY chromosomes but female ...
Cell & Microbiology
Dec 22, 2022
1
128
National University of Singapore food scientists developed a method to synthesize bioactive bi- and tri-flavones using molecular oxygen and food-grade alkaline water.
Biochemistry
Nov 21, 2022
0
100
