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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 ...

6 hours ago
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.

7 hours ago
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 ...

4 hours ago
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 ...

7 hours ago
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 ...

3 hours ago
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 ...

7 hours ago
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 ...

7 hours ago
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; ...

7 hours ago
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 ...

9 hours ago
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.

10 hours ago
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 ...

4 hours ago
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 ...

4 hours ago