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Phys.org / Mountain lion attacks on pets and cattle rattle a small Central California town

California wildlife authorities are urging residents of a small Central California town to lock up their pets and secure livestock following a series of mountain lion attacks.

Jan 5, 2026 in Biology
Tech Xplore / Grok apologizes for sharing sexualized images of children

Grok, the chatbot of Elon Musk's artificial intelligence company xAI, published sexualized images of children as its guardrails seem to have failed when it was prompted with vile user requests.

Jan 5, 2026 in Business
Medical Xpress / Loss of vitamin C synthesis protects animals from deadly schistosome infection

Scientists at Children's Medical Center Research Institute at UT Southwestern (CRI) have discovered a benefit of vitamin C deficiency: protection from a major parasitic disease. Their research suggests an explanation for ...

Dec 30, 2025 in Immunology
Tech Xplore / Sustainable design of geosynthetics and roof underlayments made from recyclates

Is it possible to recover plastic recyclates from previously unused waste streams in order to produce high-quality fibers and films? How can bio-based polymer fibers be manufactured so as to allow adjustable biodegradability? ...

Jan 5, 2026 in Engineering
Phys.org / Simple wipe test reveals hidden PFAS contamination on firefighter protective gear

The flames die down. The sirens fade. Firefighters peel off their gear, thinking the danger has passed. But in the quiet aftermath, another enemy lingers, an invisible film of "forever chemicals" clinging to jackets, pants ...

Dec 30, 2025 in Chemistry
Phys.org / 2025 was one of three hottest years on record, scientists say

Climate change worsened by human behavior made 2025 one of the three hottest years on record, scientists said.

Dec 30, 2025 in Earth
Phys.org / Rapid on-site detection of food fraud

Counterfeit or low-quality products—such as olive oil made from dyed rapeseed oil—are often difficult or impossible to identify at a glance. A mobile gas chromatography sensor system is now being developed to help detect ...

Jan 5, 2026 in Chemistry
Phys.org / New dataset maps global city boundaries in high resolution from 2000 to 2022

A research team led by Prof. Liu Liangyun from the Aerospace Information Research Institute of the Chinese Academy of Sciences (AIRCAS) has produced the first comprehensive, high-resolution map of global city and town boundaries, ...

Dec 30, 2025 in Earth
Medical Xpress / Brain immune cells may drive more damage in females than males with Alzheimer's

More than 7 million Americans have Alzheimer's disease, and two-thirds of them are women, according to the Alzheimer's Association. The O'Banion Lab at the Del Monte Institute for Neuroscience at the University of Rochester ...

Medical Xpress / A protein that makes hydrogen sulfide shows potential as a therapeutic target for Alzheimer's disease

Scientists at Johns Hopkins Medicine say results of a new study are advancing efforts to exploit a new target for Alzheimer's disease: a protein that manufactures an important gas in the brain.

Tech Xplore / New sensor measures strain, strain rate and temperature with single material layer

Researchers from the Institute of Metal Research (IMR) of the Chinese Academy of Sciences have developed an innovative flexible sensor that can simultaneously detect strain, strain rate, and temperature using a single active ...

Tech Xplore / Passengers' brain signals may help self-driving cars make safer choices

Cars from companies like Tesla already promise hands-free driving, but recent crashes show that today's self-driving systems can still struggle in risky, fast-changing situations.

Dec 30, 2025 in Automotive