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Phys.org / Walkable, greener neighborhoods linked to better physical and mental health across the U.S.

A new big-data analysis of the U.S. pinpoints how urban design aids the health of city residents—especially when cities provide walking opportunities, greenery and mixed-use streets with a blend of commercial and residential ...

13 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 ...

11 hours ago
Phys.org / Urokodia! 518-million-year-old fossil shows beginning of spider's bite

The earliest evidence of spiders' fangs has been identified in a 518-million-year-old fossil by scientists at the University of Leicester and Yunnan University.

17 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 ...

11 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 ...

12 hours ago
Phys.org / LSST begins full operations with key contributions from Japanese researchers and engineers

NSF–DOE Vera C. Rubin Observatory has officially begun full operations for the Legacy Survey of Space and Time (LSST), one of the world's largest astronomical imaging surveys. Behind the scenes, Japanese researchers and engineers ...

7 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 ...

12 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. ...

13 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 ...

11 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 ...

12 hours ago
Tech Xplore / Why AI fiction still feels flat: New test shows characters lack mystery and complexity

Researchers at the University of North Carolina at Chapel Hill have found that while artificial intelligence can spin increasingly convincing stories, its characters may still lack one of the qualities that make human-written ...

11 hours ago
Science X / Becoming Einstein in virtual reality may help reduce age bias at work

Imagine technology that could let you walk in someone else's shoes, changing not just your perspective, but your deepest, most automatic biases. For years, researchers have explored virtual reality's potential to foster empathy ...

22 hours ago