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Phys.org / Roadmap charts three paths to room-temperature quantum materials for cooler computing

Imagine a laptop that never gets hot, a phone that holds its charge for days, or a computer memory chip designed to permanently retain data, even when the power goes out. This is the possibility sitting inside a remarkable ...

17 minutes ago
Medical Xpress / What is a 'digital detox' and will it make me healthier?

Are you surrounded by screens?

27 minutes ago
Phys.org / eROSITA discovers a 'changing-look' Seyfert galaxy

Astronomers have tracked a dramatic "changing-look" active galactic nucleus (AGN) whose central supermassive black hole appeared to switch off and then rapidly reignite. The galaxy, HE 1237−2252, dimmed in X-rays by a factor ...

2 hours ago
Phys.org / When politics enter the picture, credentials take a back seat

Most Americans know what a real expert's credentials look like: relevant degree, years of experience, and respect from peers. The problem, according to a study recently published in Scientific Reports, is that none of it ...

1 hour ago
Phys.org / Surrounded by stardust: Antarctic ice cores confirm Earth is accumulating iron-60 from local interstellar cloud

Our solar system is currently passing through the Local Interstellar Cloud, a region of highly diluted gas and dust between the stars. On its path, Earth continuously accumulates iron-60, a rare radioactive isotope of iron ...

3 hours ago
Phys.org / People overestimate how confident AI systems are in their responses, experiments reveal

Artificial intelligence (AI) systems, particularly conversational agents such as ChatGPT or Gemini, are now used daily by a growing number of people worldwide. While many users trust the answers of AI agents to their queries, ...

6 hours ago
Medical Xpress / Grape consumption linked to changes in gene expression and improved skin health

Clinical trials have shown that consumption of grapes can increase the resilience of skin to UV irradiation in about 30%–50% of the subject population. A new study published in the current issue of the journal ACS Nutrition ...

1 hour ago
Medical Xpress / Weight-loss drugs tied to lower death, recurrence risk after breast cancer

New research published in JAMA Network Open suggests that there is a positive association between GLP-1 agonists—drugs commonly used to treat obesity and diabetes—and better outcomes among breast cancer patients.

1 hour ago
Medical Xpress / Understanding alternating hemiplegia of childhood, a rare disorder

For families of children born with alternating hemiplegia of childhood, the questions begin almost immediately: Will it get worse? How long do we have? What should we prepare for? The clearest answers yet are emerging and ...

1 hour ago
Medical Xpress / Longevity-linked APOE2 gene variant helps neurons repair DNA and resist aging

People who carry the APOE2 version of the apolipoprotein E gene are more likely to live to advanced age and are partly protected against Alzheimer's disease, but scientists have struggled to explain why. A new study from ...

3 hours ago
Phys.org / Neutrino flavor flips could be key to triggering supernovae

Despite being so elusive, neutrinos are produced in abundance in some of the most violent events in the universe. One of their strangest properties is that they can spontaneously switch between three types, or "flavors": ...

10 hours ago
Medical Xpress / Metabolic health emerges as key to brain and memory problems in bipolar disorder

While they share similar depressive and cognitive symptoms, the biological underpinnings of bipolar disorder and major depressive disorder are distinct. A novel study appearing in Biological Psychiatry: Cognitive Neuroscience ...

5 hours ago