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Tech Xplore / GPT‑5.2: OpenAI beefs up GPT models in AI race with Google

OpenAI released its latest artificial intelligence models on Thursday, shrugging off worries about how it will cash in on massive spending in its technology race with Google.

Dec 12, 2025 in Machine learning & AI
Phys.org / Hidden patterns of isolation and segregation found in all American cities

A comprehensive analysis of 383 U.S. cities reveals a striking pattern: most have rings of isolation in suburban areas and segregated pockets near the urban core, that are shaped by race, wealth, and proximity to downtown, ...

Dec 12, 2025 in Other Sciences
Phys.org / Global measures consistently underestimate food insecurity: 1 in 5 who suffer from hunger may go uncounted

International humanitarian aid organizations rely on analyses from the Integrated Food Security Phase Classification (IPC) system, a global partnership that monitors and classifies the severity of food insecurity to help ...

Dec 12, 2025 in Earth
Phys.org / First Andean trophy head with cleft lip/palate identified from southern Peru

In a recent study, Dr. Beth Scaffidi analyzed the images of a unique trophy head from southern Peru. The study diagnosed the individual as having had a cleft lip/palate (CLP), making him the first case of an Andean trophy ...

Dec 8, 2025 in Other Sciences
Phys.org / How Earth's mantle locked away vast amounts of water in early magma ocean

Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an environment so extreme that ...

Dec 11, 2025 in Earth
Medical Xpress / 'Sloth fever' unlikely to spread via mosquitoes in southeastern US, say researchers

In 2024, "sloth fever" hit the news cycle as a new public health threat: The virus was found in people who'd recently traveled to Cuba, and the serious health risks associated with the disease prompted concern about whether ...

Medical Xpress / New immunotherapy targets for glioblastoma identified by mapping cell interactions

Glioblastoma is the most common form of brain cancer in adults, and its consequences are usually quick and fatal. After receiving standard-of-care treatment (surgery followed by radiation and chemotherapy), fewer than half ...

Dec 12, 2025 in Oncology & Cancer
Phys.org / Chinese intertidal shellfish farming: An unexpected fuel station for millions of migrating shorebirds

China's tidal flats feed people and mollusk-eating migrating shorebirds such as red knots, great knots and Eurasian oystercatchers. Under good management, these flats used for aquaculture markedly reduce human disturbance ...

Dec 11, 2025 in Biology
Medical Xpress / Tea linked to stronger bones in older women, while coffee may pose risks

A new study from Flinders University offers insight into how two of the world's most popular beverages, coffee and tea, may influence bone health in older women.

Dec 11, 2025 in Gerontology & Geriatrics
Phys.org / Chip-scale magnetometer uses light for high-precision magnetic sensing

Researchers have developed a precision magnetometer based on a special material that changes optical properties in response to a magnetic field. The device, which is integrated onto a chip, could benefit space missions, navigation ...

Dec 11, 2025 in Physics
Phys.org / The evolutionary mysteries of a rare parasitic plant: Shrinking plastids and strange reproductive strategies

At the base of mossy trees, deep in the mountains of Taiwan and mainland Japan or nestled in the subtropical forests of Okinawa, grows what most might mistake for a mushroom—but it is actually a very unique plant with some ...

Dec 10, 2025 in Biology
Phys.org / Small galaxies may buck the black hole trend, Chandra finds

Most smaller galaxies may not have supermassive black holes in their centers, according to a recent study using NASA's Chandra X-ray Observatory. This contrasts with the common idea that nearly every galaxy has one of these ...

Dec 11, 2025 in Astronomy & Space