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Medical Xpress / Why COVID and flu hit older lungs harder: Aging tissue may bring on immune dysregulation

Older adults are much more likely to become seriously ill from flu or COVID because aging lung cells can drive excessive immune responses, according to a new study led by researchers at UC San Francisco. The findings enhance ...

Mar 27, 2026
Tech Xplore / Molecular umbrella can protect solar cells by blocking ion migration

Perovskites are semiconducting materials that have rapidly transformed the field of optoelectronics, demonstrating outstanding performance in light-emitting diodes (LEDs) and photodiodes. For their unique properties, they ...

Mar 27, 2026
Phys.org / Tale of the lava heron: Student describes new Galapagos species

The Galapagos Islands are famous for the discoveries that shaped Charles Darwin's theory of evolution. Now an SFSU graduate has added one more: Ezra Mendales (M.S., '23) describes a new species as part of his master's thesis. ...

Mar 26, 2026
Tech Xplore / Asking AI to act like an expert can make it less reliable

To get the best out of AI, some users tell it to provide answers as if it were an expert. Others ask it to adopt a persona, such as a safety monitor, to guide its responses. However, this approach can sometimes hurt performance, ...

Mar 25, 2026
Medical Xpress / Hidden 'resilience window' found in human brain one hour after stress

Psychological resilience is often misunderstood as simple "toughness" or an insensitivity to stress. However, true resilience is the brain's capacity to adapt and recover after a stressful event. Researchers from the Kochi ...

Mar 27, 2026
Phys.org / Unlocking the cell's 'gatekeeper': Researchers discover critical RNA quality-control factor, LENG8

How do cells ensure that the "blueprints" of genetic information-RNA are accurate and intact before they are exported from the nucleus to the cytoplasm for protein production? A study led by Professor Yongsheng Shi's team ...

Mar 27, 2026
Medical Xpress / Pain neurons protect nerve health and offer new therapeutic targets

Researchers at Karolinska Institutet, have uncovered a previously unknown mechanism that helps pain sensing nerve cells stay healthy and respond to injury. The findings, published in Nature Communications, may improve understanding ...

Mar 27, 2026
Tech Xplore / At 'Davos of energy', AI looks to gas to power its rapid expansion

Natural gas took center stage this week at the world's largest energy conference, as major market players discussed how to power the rise of artificial intelligence.

Mar 28, 2026
Medical Xpress / Second-hand smoke exposure down 96% since Scotland's smoking ban, study shows

Second-hand smoke exposure in Scotland is down 96% since the country's landmark smoke-free legislation came into force on March 26, 2006, new research by the University of Stirling and Public Health Scotland has shown.

Mar 28, 2026
Phys.org / From engineered fungal molecules to drug leads, chem-bio hybrid synthesis enables antiparasitic drug discovery

Amebiasis is a parasitic disease caused by the microscopic protozoan Entamoeba histolytica. Infection occurs through the ingestion of cysts from contaminated water or food. Worldwide, approximately 50 million symptomatic ...

Mar 26, 2026
Phys.org / X-ray lasers enable the discovery of a critical point in water

Using X-ray lasers, researchers at Stockholm University have been able to determine the existence of a critical point in supercooled water at around -63 °C and 1,000 atmospheres. Ordinary water at higher temperatures and ...

Mar 26, 2026
Tech Xplore / Integrated strategy unlocks 29.76% efficiency for all-perovskite tandem solar cells

Two stacked layers comprise tandem solar cells (TSCs), with each subcell absorbing different wavelengths of sunlight, which makes TSCs more efficient than single-layer solar cells. All-perovskite TSCs hold great promise for ...

Mar 27, 2026