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Medical Xpress / Socioeconomic challenges color patients' lung cancer screening experience
New research among lung cancer screening participants has found that low-dose chest computed tomography (CT) screening is generally well tolerated both physically and emotionally, but experiences vary across socioeconomic ...
Medical Xpress / UnitedHealth, Humana and CVS denied post-hospital care at some of the highest rates
The three largest Medicare Advantage insurers turned down requests for post-hospital care at some of the highest rates among major plans, a federal watchdog has found.
Phys.org / Chloroplast study reveals molecular lock that helps power life on Earth
A new study reveals the dynamics of photosynthesis at the cellular level. Led by co-authors Professor Barry Bruce and Associate Professor Rajan Lamichhane, both of the Department of Biochemistry and Cellular and Molecular ...
Medical Xpress / Mapping the hidden rules of a key immune sensor
The immune system depends on molecular alarms that detect danger inside cells. One of these alarms is STING, short for "stimulator of interferon genes." STING helps cells respond to infections, damaged DNA and cancer. When ...
Phys.org / Espresso 'pucks' stop behaving predictably above certain pressures
When a physics student asked baristas at the Warsaw Coffee Conference what their biggest question for scientists was, the baristas said they wanted to know how to stop channeling during brewing.
Phys.org / Europe swelters under record-breaking heat wave
Europe struggled to cope with a record-breaking heat wave on Wednesday, with at least 94 million people expected to experience temperatures above 35C, most of them in France and Spain.
Phys.org / El Niño is underway, satellite observations show
El Niño, characterized by warmer-than-normal water temperatures in parts of the equatorial Pacific, made its return in June 2026. Observations of sea surface height from the Sentinel-6 Michael Freilich satellite that month ...
Phys.org / Environmental DNA reveals impact of climate and humans on global river fish biodiversity
A global analysis of fish biodiversity using environmental DNA (eDNA) reveals how human activity and climate influence biodiversity patterns in river ecosystems. An international research team led by the University of Zurich, ...
Medical Xpress / Why pollution affects some asthma patients more than others
For many people with asthma, air-quality advisories are harbingers of worsening symptoms. But for reasons science has struggled to explain, the extent to which pollution exacerbates asthma varies widely from person to person.
Medical Xpress / Plant-based alternatives contain twice as many additives as animal products, finds study
A first-of-its-kind study of supermarket products has found that in total, the plant-based items sampled contained twice as many food additives as the animal-based equivalents. Overall, the plant-based products contained ...
Medical Xpress / What one sleepless night does to brain connections and why sleep may reset them
A night without sleep produced increased markers of connections between brain cells, showing that sleep in humans may be important for restoring cellular balance in the brain, according to a study published in PLOS Biology ...
Phys.org / The Lincoln Memorial Reflecting Pool is treated with nanobubbles. What are they and how do they work?
As the United States approaches its 250th birthday celebrations on July 4, Washington, DC's monuments, statues and fountains are being prepared to put on a show.