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Phys.org / Peculiar supernova SN 2021ukt transitions from Type IIn to Type Ib

Astronomers from the University of California (UC), Berkeley and elsewhere have performed spectroscopic and photometric study of a peculiar supernova designated SN 2021ukt, which underwent a transition from Type IIn to Type ...

Dec 8, 2025 in Astronomy & Space
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 / Why do raccoons cross the road? Research shows they don't

A new study led by researchers from Saint Louis University, the Saint Louis Zoo, and partner organizations recently set out to understand how raccoons use space in one of the nation's largest urban parks.

Dec 11, 2025 in Biology
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
Medical Xpress / Why do we wake up shortly before our alarm goes off? It's not by chance

You've probably experienced it—your alarm is set for 6:30 a.m., yet somehow your eyes snap open a few minutes before it goes off. There's no sound, no external cue, just the body somehow knowing it's time.

Dec 13, 2025 in Sleep disorders
Phys.org / Polar bears may be adapting to survive warmer climates, says study

New research reveals a link between rising temperatures and changes in polar bear DNA, which may be helping them adapt and survive in increasingly challenging environments.

Dec 11, 2025 in Biology
Phys.org / California extends red abalone fishing ban for another 10 years

On Dec. 11, the California Fish and Game Commission voted to extend the closure of the recreational red abalone fishery for another decade, keeping the ban in place until April 2036.

Dec 13, 2025 in Biology
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
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 ...

Tech Xplore / Making clean energy investments more successful with forecasting tools

Governments and companies constantly face decisions about how to allocate finite amounts of money to clean energy technologies that can make a difference to the world's climate, its economies, and to society as a whole. The ...

Dec 13, 2025 in Business
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
Medical Xpress / Early childhood adversity can disrupt brain networks and result in lifelong health burden

Scientists have known for some time that people who experience early childhood adversity are more prone to developing health and behavioral issues in adulthood, but the brain mechanisms behind these disparities are not well ...

Dec 11, 2025 in Health