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Tech Xplore / ChatGPT maker OpenAI shifts its focus to business users amid Anthropic pressure
The same ChatGPT chatbot that gave OpenAI's chief financial officer Sarah Friar a tilapia recipe for a recent Sunday night dinner at home is also now doing her most mundane tasks at work like summarizing her emails and Slack ...
Phys.org / A tiny wall spider named for Pink Floyd is hunting urban pests up to six times its size
A team of researchers from institutions across South America have expanded scholarly knowledge of the Pikelinia spider genus, with their recent discovery of a new crevice weaver species: Pikelinia floydmuraria. The new species ...
Medical Xpress / Immune system uses a conveyor belt-like process to edit defective antibodies, new research finds
The immune system's B cells create antibodies that can mount a response against just about anything—either destroying a pathogen or instructing the rest of the immune system to go after the offender. But what happens when ...
Medical Xpress / Mitochondria keep key immune cells battle-ready by sustaining electron flow, study reveals
Researchers at the Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) show that active mitochondria maintain dendritic cells, the immune system's sentinels, in a "ready-to-respond" state, linking cellular ...
Phys.org / Andean volcanic eruptions during the Late Miocene likely drove global cooling
Mark Clementz, a professor in the University of Wyoming Department of Geology and Geophysics, and colleagues have produced a compelling study that shows that an increase in volcanic activity in the Andes in the Late Miocene ...
Phys.org / The Zhamanshin impact event was likely much more destructive than thought
Earth and the course of life on Earth have been shaped by impacts. Scientists have uncovered links between massive impacts and changes in climate that altered the planet forever. But the further scientists look into the past ...
Phys.org / Thai farmers pin hopes on microbes to end annual burning crisis
Rice farmers Siriporn and Amnat Taidee used to burn their paddy fields between plantings—a common method of clearing crop residue partly blamed for toxic smog that blankets much of Thailand every spring.
Phys.org / Discovery of Addison's disease gene in dogs could help humans as well
Among dog breeds, Nova Scotia duck tolling retrievers (tollers) have an unusually high rate of Addison's disease, a condition in which the adrenal glands do not produce enough hormones, notably cortisol and aldosterone. In ...
Medical Xpress / Blood test can predict Alzheimer's disease progression years before symptoms or brain scan changes
A study by investigators at Mass General Brigham has found that a blood test of plasma phosphorylated tau 217 (pTau217), an Alzheimer's disease biomarker, can predict the progression of amyloid PET scan changes and cognitive ...
Phys.org / Extinct ice age giants in Bender's Cave challenge existing climate records for the Edwards Plateau
A recent study by Dr. John Moretti of the University of Texas and local caver John Young uncovered the remains of Ice Age megafauna, revealing an entirely new ecosystem that once thrived on the Edwards Plateau. Among the ...
Medical Xpress / Popular AI chatbots are confidently dispensing medical misinformation, analysis shows
A substantial amount of medical information provided by five popular chatbots is inaccurate and incomplete, with half (50%) of the responses problematic: 30% were somewhat, and 20% were highly problematic. These are the results ...
Medical Xpress / Blood-based DNA signals may help track osteosarcoma in children
Detecting whether osteosarcoma, a rare but aggressive bone cancer that most often affects children and adolescents, has returned or spread remains a major challenge for patients and doctors. Blood-based biomarkers, which ...
