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Tech Xplore / Information encoded in a beam of light can survive real-world atmospheric turbulence
Researchers at the University of the Witwatersrand (Wits) and the University of Bordeaux in France have demonstrated a new way to send information through the atmosphere without correcting for the distortions that normally ...
Tech Xplore / Major security weaknesses found in leading open-weight LLMs
Safety protections built into some of the world's most widely used artificial intelligence (AI) models can be stripped away with alarming ease, according to a new international study.
Medical Xpress / Anti-immigrant 'public charge' policy may have contributed to rise in HIV among Hispanic ropulations
Following the Trump administration's 2018 announcement of changes to the public charge rule that would penalize immigrants for using public benefit programs, antisanctuary counties in the U.S. saw a 16.8% increase in HIV ...
Phys.org / How people treat you may shape your reputation and stabilize cooperation
When one person helps, or refuses to help, another in public, this may change not only the provider's reputation but also the recipient's. A theoretical study led by Kobe University offers a simple explanation for how cooperation ...
Medical Xpress / Bowel urgency in ulcerative colitis linked to disease-related disability
Bowel urgency is common among adults with ulcerative colitis (UC), especially those without diarrhea or rectal bleeding, and is associated with disease-related disability, according to a study published recently in Gastro ...
Phys.org / A tiny drop of water is all that's needed to find threatened frogs
New James Cook University research has used highly sensitive environmental DNA (e-DNA) techniques to find two species of threatened frogs in places they've never been seen before—and find another still struggling to recover ...
Medical Xpress / A painless punch with a microneedle patch could detect kidney disease earlier
Kidney disease is silent in its early stages, progressing without symptoms until the disease is advanced. Researchers in the McKelvey School of Engineering at Washington University in St. Louis, in collaboration with researchers ...
Phys.org / Nanoscale hairs may help gecko skin trap moisture and slow evaporation
In a dry shrubland, a gecko sprints toward shelter. Its greatest danger is not a predator, although hawks circle overhead and sand cats wait in ambush. Rather, its most pressing concern is dehydration. Its skin is paper-thin; ...
Phys.org / 'Now boarding' … 240,000 miles from Earth, at the moon's first airport
The moon's getting its first airport, and it's about to get busy. Within the next two decades, NASA's planned Gateway—humanity's first lunar spaceport—may become a bustling hub for Orion crew capsules, lunar landers, cargo ...
Phys.org / The little red dots of our cosmos might hide something big
Little red dots may reside in small, dense galaxies with total masses equivalent to around 1 billion times that of the sun, according to research published in Nature Astronomy.
Medical Xpress / Global snakebite envenoming and mortality incidence are higher than previously reported
Venomous snake bites can cause illness, disability and death in tropical and subtropical regions. A study published Aug. 25 in PLOS Medicine by Dileepa Ediriweera and Anuradhani Kasturuiratne, along with colleagues at the ...
Medical Xpress / Emergency diagnoses linked to poorer outcomes across a wide range of conditions
Patients diagnosed with conditions after an emergency hospital admission or an emergency room visit face a higher risk of death than those diagnosed in nonemergency settings, according to a large population-based study by ...