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Phys.org / Cutting emissions more, removing carbon less could save 33,000 U.S. lives yearly

Published in Nature Climate Change, new research from the University of Wisconsin–Madison finds that reaching net-zero emissions by midcentury would substantially improve public health in the United States. However, climate ...

17 hours ago
Phys.org / The universe is less uniform than we thought—cosmology may need a radical rethink

Modern cosmology rests on a simple assumption: If we look on large enough scales, matter should be distributed evenly, with no preferred direction within the cosmos. This is known as the cosmological principle.

22 hours ago
Phys.org / Tree size, not age, may speed habitat recovery for endangered Indiana bats

Bugs run rampant in the summer, and if you have ever suffered a mosquito bite and regretted not putting on bug spray, you should know about nature's insect repellent: the Indiana bat. Federally endangered since 1967, the ...

18 hours ago
Phys.org / Acceptor molecule upconverts low-energy green light to high-energy purple with high efficiency

Solar cells and photocatalysts can be surprisingly inefficient. Despite light consisting of many wavelengths, the range that even highly efficient devices use is limited. Other wavelengths, especially long wavelengths, simply ...

19 hours ago
Phys.org / Single-atom catalyst turns lignin into valuable chemicals with near-complete conversion

Researchers at The University of Manchester and Hebei University of Technology have identified how a new class of catalyst can break down lignin into useful chemical building blocks, offering a more sustainable route to replace ...

22 hours ago
Phys.org / Superworms could be the future of skeleton cleaning

Superworms, a mealworm-like form of beetle larva commonly used as pet food, are efficient cleaners of skeletons, according to a study published in PLOS One by Fatemeh Rastekar of Ferdowsi University of Mashhad, Iran, and ...

18 hours ago
Phys.org / Ancient gum disease may have helped reshape jaws before human brains expanded

Human evolution is generally explained through changes in brain size, locomotion or tool use, but new research from Wits University suggests that gum disease and changes in facial structure may have been important factors ...

19 hours ago
Phys.org / Baker's yeast shows potential in treatment of persistent fungal infection

Millions of women worldwide suffer from vaginal yeast infections. These infections are most commonly caused by the fungus Candida albicans and can lead to symptoms ranging from itching and burning to recurrent inflammation. ...

20 hours ago
Phys.org / XMM-Newton and Chandra help revise distance to Milky Way's outer spiral arms

The European Space Agency's XMM-Newton and NASA's Chandra X-ray space telescopes have spotted the aftermath of three bright explosions echoing through the outer spiral arms of our galaxy, the Milky Way. By measuring the distance ...

23 hours ago
Medical Xpress / Fear-learning circuit shows how stress disrupts brain's ability to suppress trauma

Fear is often thought of as a negative emotion but is actually a natural protective response to perceived threats or danger. It helps us survive. When we experience a situation that causes fear, it becomes stored in our brain ...

18 hours ago
Phys.org / World's first synthetic cell with a complete life cycle could revolutionize biological engineering

While many of life's mysteries remain unsolved, every biologist can describe the basic processes performed by a living organism, including energy use, reproduction, growth and development. While these characteristics can ...

22 hours ago
Tech Xplore / AI-human relationships are real and come with risks, researchers find

Human-AI relationships are no longer confined to the domain of science fiction. As the technology has developed, AI chatbots have evolved from playing a role in search engines and image-generation tools into confidants, therapists ...

19 hours ago