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Phys.org / Pennsylvania roads are being coated in radioactive wastewater—here's why

Pennsylvania's roughly 100,000 oil and gas wells produce wastewater that's many times saltier than seawater and contains radium, a known carcinogen. For decades, that saltwater, called brine, was spread on dirt and gravel ...

16 hours ago
Phys.org / A US-Russian space crew lands safely in Kazakhstan after an 8-month stint on the ISS

A U.S.-Russian space crew landed safely in the steppes of Kazakhstan on Sunday after an eight-month stint on the International Space Station.

23 hours ago
Medical Xpress / Guideline on sleep-disordered breathing in pregnancy released

The American College of Chest Physicians (CHEST) has released a new clinical guideline on obstructive sleep apnea (OSA) in pregnancy. Published in the journal CHEST, the guideline contains nine evidence-based recommendations ...

19 hours ago
Medical Xpress / Understanding financial conflicts of interest in cancer care and research

Cary Gross, MD, professor of medicine (general internal medicine) at Yale School of Medicine, has studied financial conflicts of interest in American medicine for more than 20 years. In a recent systematic review published ...

16 hours ago
Medical Xpress / DR Congo's Ebola outbreak tops 3,000 cases

Medics have recorded more than 3,000 Ebola cases, including 1,354 deaths, in the Democratic Republic of Congo's 17th outbreak, officials said Sunday, after infections surged by around 1,000 in just 10 days.

23 hours ago
Tech Xplore / New AI tools let readers talk to books

Imagine a world where you could ask a book a question as you read it.

23 hours ago
Medical Xpress / Mind-wandering mechanisms change depending on eye state

A type of brain activity linked to arousal and attention can track mind wandering. But research conflicts on whether this activity promotes or hinders mind wandering. Esther Thielking of Barnard College and colleagues explored ...

14 hours ago
Phys.org / Review finds lack of evidence as to whether planting around our homes reduces the pollution we breathe

A new review led by the University of East London (UEL) has uncovered a major blind spot in air pollution research. Despite domestic gardens covering vast areas of Britain's towns and cities, researchers found no direct evidence ...

Jul 24, 2026
Phys.org / A quantum heat engine that simultaneously provides work and refrigeration

The laws of thermodynamics state that heat naturally flows from hotter systems or regions to colder systems or regions until a state of thermal equilibrium is reached. This simple principle underpins the operation of numerous ...

Jul 26, 2026
Phys.org / Astronomers are still trying to understand how a galaxy's spiral arms form

The Whirlpool galaxy (M51) is a classic grand spiral galaxy. It was the first object identified as a spiral, way back in 1845. At the time, it and other galaxies were considered spiral nebulae, since astronomers didn't know ...

Jul 22, 2026
Medical Xpress / Working memory rapidly updates its priorities after distractions, study finds

When humans tackle many everyday tasks, ranging from driving to completing household chores and work assignments, they rely heavily on working memory. This is the brain's ability to temporarily store and manipulate important ...

Jul 26, 2026
Phys.org / Gamma-ray pulsations reveal extreme 3.2-millisecond pulsar 3,900 light-years away

By analyzing the data from NASA's Fermi gamma-ray space telescope, Chinese astronomers have investigated a recently identified millisecond pulsar known as PSR J0435+3233. As a result, they found that the pulsar exhibits gamma-ray ...

Jul 26, 2026