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Medical Xpress / Arctic plunge to bring sub-zero temps and snow; take extra care to stay heart healthy

A significant Arctic blast expected to hit the U.S. starting later this week will bring the coldest air of the season, dangerous wind, heavy snow—and the risk of heart issues—to those living in communities from the Great ...

Dec 12, 2025 in Health
Medical Xpress / Chewable supplements help improve bone density of adolescents with HIV, clinical trial finds

Giving adolescents living with HIV high-dose Vitamin D and calcium supplements can help improve their bone density and reduce the risk of fractures, a new study suggests.

Dec 12, 2025 in HIV & AIDS
Phys.org / Quantifying unknown quantum states: Study explores effectiveness of existing methods

Reliably quantifying and characterizing the quantum states of various systems is highly advantageous for both quantum physics research and the development of quantum technologies. Quantifying these states typically entails ...

Dec 8, 2025 in Physics
Phys.org / Short-lived optical flare AT2022zod is an unusual tidal disruption event, astronomers find

An international team of astronomers has investigated a short-lived optical flare designated AT2022zod. As a result, they found evidence indicating that this flare is an unusual tidal disruption event. The findings were presented ...

Dec 9, 2025 in Astronomy & Space
Phys.org / Exposing a single active site in nanoclusters boosts catalytic activity for green energy

There is a dire need for selective catalysts that allow us to consistently achieve a desired outcome in a chemical reaction. It is this consistency that allows for more efficient, energy-saving ways of producing fuel. A team ...

Dec 11, 2025 in Nanotechnology
Tech Xplore / Tantalum oxide addition slows lithium-ion battery capacity loss by nearly half

Skoltech researchers have developed a new method to improve the cathode, a key battery component. They proposed doping the cathode material with high-valent tantalum and discovered that adding 0.5 mole % of tantalum oxide ...

Dec 11, 2025 in Engineering
Medical Xpress / New sunscreen ingredient could soon be allowed in the US

Americans may soon have access to a new sunscreen ingredient already used around the world.

Dec 12, 2025 in Health
Medical Xpress / Tricking tumors into marking themselves for destruction with focused ultrasound

USC biomedical engineers have found a way to make a solid tumor paint a target on its own back in order to train the body's immune system to find and destroy it.

Dec 11, 2025 in Oncology & Cancer
Medical Xpress / How the cerebellum builds its connections with the rest of the brain during early development

For the first time, a team of researchers at the Institute for Neurosciences (IN), a joint center of the Spanish National Research Council (CSIC) and Miguel Hernández University of Elche (UMH), has reconstructed how the ...

Dec 11, 2025 in Neuroscience
Phys.org / DNA confirms modern Bo people are descendants of ancient Hanging Coffin culture

In a recent study, researcher Dr. Hui Zhou and his colleagues conducted a genetic analysis of the genomes of individuals associated with the ancient Hanging Coffin tradition in Southeast and Southern Asia. In addition, they ...

Dec 6, 2025 in Other Sciences
Phys.org / Canary Islands may be 'missing link' in global sea urchin killer pandemic

Sea urchins are ecosystem engineers, the marine equivalent of mega-herbivores on land. By grazing and shredding seaweed and seagrass, they control algal growth and promote the survival of slow-growing organisms like corals ...

Dec 11, 2025 in Biology
Phys.org / Visible for diversity, invisible in research: The burdens Black female academics face in universities

Black women are underrepresented in senior roles in British academia. As of May 2024, there were only 70 Black women professors.

Dec 12, 2025 in Other Sciences