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Medical Xpress / Over 90% of people carry this virus—and it can cause more than chickenpox and shingles

New research published in Nature Reviews Disease Primers is shedding light on the surprisingly broad range of neurological and systemic diseases that can be caused by varicella zoster virus (VZV), the virus that causes chickenpox ...

1 hour ago
Tech Xplore / OpenAI begins rollout of new powerful AI model GPT-6 Astra

ChatGPT maker OpenAI said Thursday it would begin rolling out its newest and most powerful artificial intelligence (AI) model to select customers, saying it had built-in safeguards to mitigate security risks.

3 hours ago
Phys.org / Newly discovered 1666 manuscript may trace four-lens telescope experiments to Galileo

A potentially history-altering finding by a University of Limerick researcher may provide the most detailed technical analysis of a telescope demonstrably made by the famous astronomer and scientist Galileo Galilei.

3 hours ago
Phys.org / Traces of nearly 4 million coins reveal how Rome achieved economic integration

For centuries, the study of ancient history relied primarily on interpreting classical texts and examining inscriptions and archaeological remains at their sites of origin or in museums. In recent years, however, a little-known ...

1 hour ago
Phys.org / Ig Nobel Prize winners reveal why babies smell better than teenagers

Babies smell wonderful—at least to their parents. An international research team of Ilona Croy, Tomasz Frackowiak, Thomas Hummel and Agnieszka Sorokowska investigated why teenagers lose this special olfactory advantage and ...

1 hour ago
Tech Xplore / Transparent silicon-photonics chips could bring advanced optical systems to curved displays

The field of silicon photonics, which uses light rather than electricity to transmit and process data on semiconductor chips, has enabled optical systems to evolve from bulky setups to compact, advanced systems. Typically, ...

3 hours ago
Phys.org / Chimpanzees have accents too, study finds

A study has found that young chimpanzees develop distinct population-specific vocal patterns as they mature (ontogeny), challenging the long-held assumption that their calls are inflexible and determined solely by genetics. ...

3 hours ago
Phys.org / 'Green thumb' molecule helps leaf stalks grow in crowded conditions

Potassium (K) is one of the three essential nutrients for plants. It plays a critical role in a wide range of processes, including cell growth, photosynthesis and regulation of water balance. Plants take up K from the soil ...

1 hour ago
Phys.org / Wrinkled or smooth? Cell growth mechanics determine shape of plant organs

When inner and outer cell layers of sepals—the leaf-like plant organs that cover and protect the flower bud before it opens—all grow upward, the organs stay smooth and uniformly stiff, which is optimal for the plant, according ...

3 hours ago
Phys.org / Scottish 'pregnant grandmother' microbe bursts open after growing offspring within

Scientists have revealed a bizarre microscopic creature that reproduces in a way reminiscent of the horror film" Alien." The microbe grows one or more new cells inside its own body before the outer "mother" cell ruptures ...

4 hours ago
Phys.org / Even second graders can reason like scientists—if we ask them the right way

When a child asks "Why does a blowfish puff up?" we often jump in with facts. But what if we paused and suggested that they ask instead, "How does a blowfish puff up?" It may seem like splitting hairs, but this small shift ...

1 hour ago
Medical Xpress / Eating jetlag: Weekend meal shifts associated with higher heart disease risk in men

A team of researchers from INRAE, Inserm, Sorbonne Paris Nord University, Université Paris Cité and the CNAM has published the first study exploring the association between eating jetlag and the risk of cardiovascular disease. ...

1 hour ago