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Phys.org / Collapsing stars could spawn mini-universes, offering new path to gravastars

Stars shine because atoms fuse in their interiors, releasing energy. When a very massive star has exhausted its nuclear fuel, radiation pressure can no longer provide sufficient counterforce to gravity. The star then collapses ...

4 hours ago
Phys.org / Newly synthesized fullerene material remains metallic even under low temperatures

An international team whose research was coordinated by Osaka Metropolitan University (OMU) has reported the survival of metallic behavior in the strongly correlated molecular material ytterbium cesium fulleride (Yb₂CsC₆₀). ...

1 hour ago
Phys.org / How a shape-shifting tiny rover inspired by Japanese toys autonomously explored the moon

Moon missions come in all shapes and sizes, from car-sized rovers packed with scientific equipment to towering rocket payloads—and now, a small, shape-shifting machine that is about the size of the average palm.

7 hours ago
Tech Xplore / Light rewrites magnetic memory in one pulse, opening path to lower-power AI chips

As artificial intelligence, cloud computing and digital services continue to expand, the world is facing a growing need for faster and more energy-efficient ways to store and process information. A team led by the National ...

3 hours ago
Phys.org / Salmonella genomes reveal 45 previously unknown toxins in foodborne bacteria

Researchers at the University of São Paulo (USP) in Brazil have discovered 45 new toxins produced by Salmonella bacteria, some of which are associated with foodborne infections. The study was conducted at the Center for Research ...

3 hours ago
Tech Xplore / Waymo unveils virtual driver model to test autonomous car crash avoidance

Autonomous vehicles are already a reality on some of our streets and could become a major part of future transportation systems. Safety, of course, is the main concern, as with all vehicles. To help evaluate and improve its ...

5 hours ago
Phys.org / Even weak ocean models can provide valuable information for environmental forecasts, study shows

Oxygen depletion in the western Baltic Sea is not uncommon. Oxygen-poor conditions regularly occur in deeper waters, placing stress on marine ecosystems and, in extreme cases, causing fish kills. As ocean temperatures continue ...

2 hours ago
Medical Xpress / Researchers identify brain 'entrapment' patterns associated with depression

Researchers at the Icahn School of Medicine at Mount Sinai have identified distinctive patterns in how the brain transitions between activity states in people with depression, providing new insight into why depressive symptoms ...

4 hours ago
Medical Xpress / New antibody may boost KRAS-targeted lung cancer treatment after resistance emerges

An experimental antibody treatment that binds to a protein known as PCDH7 shrank tumors in preclinical models of non-small cell lung cancer (NSCLC), including those resistant to a targeted therapy, a study led by UT Southwestern ...

4 hours ago
Phys.org / Heat claimed more than 200,000 lives in Europe since 2022: WHO

More than 200,000 lives have been lost to the "silent killer" of heat in Europe since 2022, the World Health Organization said Thursday, after a heat wave saw some countries record their highest-ever May temperatures.

1 hour ago
Medical Xpress / How body clock may shape inflammation, cancer risk and timing of future treatments

Daily life is shaped by the solar day, influencing when we wake up, eat, work and sleep. Inside the body, a similar internal timing system—present in nearly every cell—known as the circadian clock synchronizes many biological ...

1 hour ago
Tech Xplore / High prevalence of poor sleep quality among Japanese esports players

A research team at the University of Tsukuba reported that 43.3% of Japanese esports players were classified as having poor subjective sleep quality, according to a cross-sectional survey. In particular, poor sleep quality ...

1 hour ago