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Phys.org / Could electronic beams in the ionosphere remove space junk?

A possible alternative to active debris removal (ADR) by laser is ablative propulsion by a remotely transmitted electron beam (e-beam). The e-beam ablation has been widely used in industries, and it might provide higher overall ...

14 hours ago in Physics
Medical Xpress / New study reveals gaps in Apple Watch's ability to detect undiagnosed high blood pressure

In September 2025, the U.S. Food and Drug Administration cleared the Apple Watch Hypertension Notifications Feature, a cuffless tool that uses the watch's optical sensors to detect blood flow patterns and alert users when ...

23 hours ago in Cardiology
Tech Xplore / How much does chatbot bias influence users? A lot, it turns out

Customers are 32% more likely to buy a product after reading a review summary generated by a chatbot than after reading the original review written by a human. That's because large language models introduce bias, in this ...

22 hours ago in Consumer & Gadgets
Phys.org / Twilight action could reduce light pollution's impact on biodiversity

Professor Darren Evans and Madeleine Fabusova from the School of Natural and Environmental Science have published new research that shows that typical levels of artificial light at night can simultaneously suppress early-night ...

14 hours ago in Biology
Medical Xpress / Using vaginal microbiota to improve predictions of neonatal sepsis

Early-onset neonatal bacterial infection is a major cause of morbidity and mortality, especially in preterm newborns. It is most often caused by ascending infection via the maternal genital tract. Identifying risk situations ...

Medical Xpress / Why flu season can strain your heart, and what a new mRNA approach suggests

Mount Sinai researchers have identified a cellular mechanism linking infections from influenza A viruses (IAVs) to cardiovascular disease, providing critical insights on how influenza can damage the heart and increase the ...

Medical Xpress / California warns against foraging as toxic mushrooms kill four

California health officials are urging people to stay away from wild mushrooms entirely after a sharp rise in poisonings tied to the deadly death cap mushroom. Since Nov. 18, more than three dozen people have been poisoned ...

12 hours ago in Health
Medical Xpress / Outdated Medicare rule delays nursing care and wastes hospital resources, study finds

A long-standing Medicare policy meant to manage rehabilitation services in nursing homes may keep older Americans in hospitals longer than necessary without improving patient health or saving Medicare money, new research ...

23 hours ago in Medical economics
Medical Xpress / Can AI help decide when to see a doctor? Study says not yet

Next time you're considering consulting Dr. ChatGPT, perhaps think again. Despite now being able to ace most medical licensing exams, artificial intelligence chatbots do not give humans better health advice than they can ...

22 hours ago in Dentistry
Medical Xpress / Strength training delivers the best and healthiest dieting results for both sexes

A new study conducted at the Gray Faculty of Medical and Health Sciences and the Sylvan Adams Sports Science Institute at Tel Aviv University reveals a clear conclusion: strength (resistance) training is the most effective ...

Medical Xpress / Is your diet causing UTIs? Here's how it may be at fault

UTIs can be painful, and they're not something people like to talk about. But they happen often, affecting an estimated 60% of women and 20% of men in their lifetimes.

13 hours ago in Health
Medical Xpress / Psychological buffer against wartime exhaustion for teachers revealed in new research

Beyond the lesson plans and grading, teachers during the war had to manage a complex layer of war-related stress that often went unnoticed but deeply affected their ability to stay in the profession. A recent study explores ...

7 hours ago in Psychology & Psychiatry