Peroxiredoxins are among the most abundant enzymes involved in managing oxidative stress. They control the levels of peroxides such as hydrogen peroxide, relay redox signals, and help protect other proteins during stress. ...
Biochemistry
1 hour ago
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An international team of astronomers has employed the James Webb Space Telescope (JWST) to observe a complex planetary nebula known as NGC 6302. The observations, detailed in a paper published Feb. 25 on the arXiv pre-print ...
A collaborative research team has uncovered a previously unknown mechanism of action of yaku'amide B, a structurally complex peptidic natural product derived from deep-sea sponge found in the waters near Yakushima Island, ...
Biochemistry
3 hours ago
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In biology and paleontology (the study of extinct organisms) there are a few ways to estimate the age of an animal's skeleton. One is the extent of fusion of sutures in the skeleton—how much the plates of bone have joined ...
Paleontology & Fossils
1 hour ago
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The 2025 Eaton fire's smoke did more than darken the sky: It generated a carbon monoxide and particulate matter surge that far exceeded Los Angeles County's average daily human-caused emissions, according to a new study led ...
Earth Sciences
4 hours ago
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Plastic is one of the most durable materials humans have ever made. That durability has made it indispensable in medicine, food packaging and transport. But it's also created one of the defining environmental problems we ...
Polymers
2 hours ago
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A team of US researchers has gained new insights into how large protein molecules consistently fold themselves into useful shapes. Using a new approach to fluorescence microscopy, Hoi Sung Chung and colleagues at the National ...
Every summer, people living near the Mendenhall River in Juneau, Alaska, keep a close eye on the water level. When the river level begins to rise rapidly, it's a sign that Suicide Basin, a small glacier-dammed lake 5 miles ...
Earth Sciences
4 hours ago
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Photoreceptors are specialized cells in the eye that convert light energy into neural signals. Several diseases that cause irreversible vision loss, including age-related macular degeneration, retinitis pigmentosa and retinal ...
Cell & Microbiology
8 hours ago
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The More You Know: This week, researchers successfully reconstructed videos from the brain activity of mice. According to a new study, female birds are more likely to sing when their extended families help with childcare. ...
