Since the 1970s, the U.S. has lost billions of birds. We now know that those losses aren't just growing—they are accelerating in places with intensive human activity, particularly where agriculture and expanding communities ...
Plants & Animals
Mar 14, 2026
1
63
Lithium dendrites, i.e. tiny crystalline thorns that grow off of lithium-ion battery anodes during charging, have been a persistent challenge for the world's most widely used form of energy storage. "Dendrites can penetrate ...
Analytical Chemistry
Mar 14, 2026
1
586
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
Mar 14, 2026
0
261
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
Mar 14, 2026
0
69
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
Mar 14, 2026
0
202
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
Mar 14, 2026
0
290
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
Mar 14, 2026
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31
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
Mar 14, 2026
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34
Cerebral blood flow is essential for normal brain function and often perturbed in neurological disease. If one shines a source of coherent light on perfused tissue, the detected speckles, or "grains" of light fluctuate, or ...
Optics & Photonics
Mar 14, 2026
0
43
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 ...
