Physical systems evolve at a particular speed, which depends on various factors including the system's so-called topological structure (i.e., spatial properties that are preserved over time despite any physical changes that ...
Pennsylvania has enacted a limit on two PFAS chemicals in drinking water, marking the first time the state has set its own limits instead of adopting a federal standard.
Environment
Jan 17, 2023
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30
A chemical used in the production of toilet paper and 'forever chemicals' have been found in the bodies of orcas in B.C. , including the endangered southern resident killer whales.
Plants & Animals
Jan 12, 2023
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47
The Donnan electric potential arises from an imbalance of charges at the interface of a charged membrane and a liquid, and for more than a century it has stubbornly eluded direct measurement. Many researchers have even written ...
General Physics
Dec 19, 2022
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232
In recent years, manipulating chemistry using hybrid light-matter states called polaritons has generated much research as it combines the speed and efficiency of light with the reactivity and strong interactions of matter. ...
Analytical Chemistry
Nov 17, 2022
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30
Beer is one of the oldest and most popular beverages in the world, with some people loving and others hating the distinct, bitter taste of the hops used to flavor its many varieties. But an especially "hoppy" brew might have ...
Biochemistry
Nov 7, 2022
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708
An improved model for extracting risk information about hazardous chemicals from a database is reported in the International Journal of Reasoning-based Intelligent Systems.
Analytical Chemistry
Nov 4, 2022
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13
Aspherical components in optical systems can increase the free design variables without introducing new aberrations. That brings improved imaging quality and reduced size and weight. Aspheric components are widely used in ...
Optics & Photonics
Oct 26, 2022
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99
Specific fatty acid-sugar molecules allow leprosy bacteria, among others, to hide from our immune system. How exactly is not entirely clear. Hessel van Dijk, who received his Ph.D. on October 13, replicated the molecules, ...
Cell & Microbiology
Oct 14, 2022
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1
"All kinds of crazy things" is how Carolyn Bertozzi, a 2022 Nobel laureate, describes her life's work. Actually performing "chemistry in cells and in people."
Other
Oct 6, 2022
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11
