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Phys.org / Atlantic 'cold blob' caused by weakening ocean current system that's likely nearing a tipping point, reanalysis finds

A part of the Atlantic Ocean, just south of Greenland and Iceland, has been cooling off while the rest of the world gets hotter. This enigmatic patch is often referred to as the "cold blob" and scientists have been trying ...

59 minutes ago
Medical Xpress / How mechanical stress can accelerate bone destruction in periodontitis

Excessive bite force does not cause alveolar bone loss but significantly worsens it when combined with periodontitis, report researchers in a new study. While traumatic occlusion has long been suspected to exacerbate periodontitis, ...

19 minutes ago
Phys.org / A faster way to forecast alien weather

The TRAPPIST-1 system, located about 41 light years from Earth, has been a focal point of much exoplanetary discussion—mainly because it has seven confirmed planets orbiting a dim M-dwarf star. Two of those planets—TRAPPIST-1e ...

19 minutes ago
Phys.org / Epigenetic changes can be inherited without changing DNA in animals

Typically, the information encoded in DNA allows organisms to develop, function, and pass traits across generations. Yet DNA alone does not explain how genes are switched on and off in different cells and environments. This ...

1 hour ago
Phys.org / Quantum circuits help AI overcome memory limitations with minimal new parameters

For millions of people, chatbots powered by large language models (LLMs) are now a key feature of everyday life. These AI systems are growing at a rapid pace, but scaling them up is becoming increasingly costly and resource-intensive.

5 hours ago
Phys.org / Gold nanoparticles unlock vibrant structural colors across the visible spectrum

Colloidal photonic glasses offer an appealing way to produce vivid colors without any chemical dyes—but so far, a stubborn optical effect has long prevented them from generating a true red color. Now, Yuwon Jeon and colleagues ...

2 hours ago
Phys.org / First nonrepeating biological clock discovered in C. elegans guides growth

Imagine a train parked at the station. Passengers climb aboard and find their seats. Conductors move up and down the aisles, checking tickets. But there's a problem—the engineer's watch is broken. As a result, the doors never ...

7 hours ago
Medical Xpress / Engineered stem cells reverse new-onset type 1 diabetes in mice

A group of researchers at the Medical University of South Carolina (MUSC) has recently developed a new stem cell therapy with a remarkable ability to reverse new-onset type 1 diabetes (T1D) in a mouse model of the disease. ...

6 hours ago
Medical Xpress / Gap widens between expected help and municipal care delivered, complaint review shows

"There is a clear gap between what patients expect from the health care services and what they actually receive," says Alison Axisa Eriksen of the University of Agder (UiA). As part of her Ph.D. research, she has reviewed ...

2 hours ago
Phys.org / Disgust may contribute to improper waste disposal

A common explanation for why waste management sometimes fails is that carelessness breeds more carelessness. Now, research from the University of Gothenburg shows that dirty waste disposal rooms can evoke feelings of disgust ...

2 hours ago
Phys.org / Hidden protein switch controls photosynthesis as light conditions change

Scientists have discovered a previously unknown regulatory mechanism in plant photosynthesis in the unicellular green alga Chlamydomonas reinhardtii. It helps plants adapt to changes in light conditions. The results, published ...

8 hours ago
Medical Xpress / Lab-grown aging eye model reveals early AMD markers in weeks

The rods and cones in your eyes are responsible for helping you see, but what is responsible for helping them? Retinal pigment epithelium cells are their caretakers, but environmental, genetic and aging factors can strain ...

7 hours ago