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Phys.org / Wildfires are reversing America's progress on ozone pollution

For decades, the United States made steady progress in reducing surface ozone pollution, the main ingredient in smog. But that progress—made as vehicles, industries, and power sources became cleaner—is increasingly being ...

11 hours ago
Medical Xpress / Q&A: Expert discusses risks of cannabis use

On April 26, the United States reclassified cannabis from a Schedule I controlled substance, which lacks any medical benefits, to a Schedule III controlled substance, which has accepted medical uses and lower potential for ...

10 hours ago
Tech Xplore / Q&A: How organic glass scintillators could improve nuclear security

As the demand for nuclear security solutions grows, distinguishing a benign medical isotope from a potential threat is critical. Organic glass scintillators can help meet the need for accurate, cost-effective radiation detectors.

10 hours ago
Medical Xpress / Indigenous mushroom transforms agricultural waste into food

A new study presented at ASM Microbe 2026 demonstrates that a valuable indigenous mushroom, Lentinus squarrosulus, can be cultivated under controlled conditions using locally available agricultural waste.

10 hours ago
Medical Xpress / Yes, you really can be allergic to exercise—and the symptoms can be serious

People who don't like to workout will sometimes joke that they're "allergic" to exercise. But what many don't realize is that an allergy to exercise is a real thing—and it can be dangerous if not caught in time.

12 hours ago
Phys.org / Prescribed burns are lit in Australia's Northern Territory to minimize the severity of fires later in the season

In May and June of most years, NASA satellites typically begin to detect large numbers of wildland fires throughout the Top End and Arnhem Land regions of Australia's Northern Territory. On some days, especially in the afternoon, ...

13 hours ago
Phys.org / How an app is growing social connections for people with disability and caregivers

Almost 1 in 3 Australians experiences loneliness. For people with disability and care workers, that number can be even greater.

12 hours ago
Phys.org / With ShakeAlert installations complete, researchers explore offshore expansion

The ShakeAlert earthquake early warning system has been rapidly expanding since its launch in 2021. Now, researchers at University of Washington affiliated Pacific Northwest Seismic Network (PNSN) have finished all planned ...

12 hours ago
Tech Xplore / Driverless cars are on the rise, and now we may know why they crash

For the first time, new algorithms may be able to automatically explain why some self-driving cars crash—a question crucial to answer as more autonomous vehicles take to the roads. This new approach, developed by researchers ...

14 hours ago
Phys.org / From exporting spyware to surveilling activists—how democracies became the new digital authoritarians

"Digital authoritarianism" refers to governments using technology for surveillance and censorship to repress dissent. China remains the master practitioner. There, sweeping surveillance and censorship at home is combined ...

13 hours ago
Phys.org / From forest to front door: Understanding how wildfire spreads through communities

As California's population boomed—from 10 million in 1950 to over 40 million today—the number of people living in fire-prone areas multiplied. Over the decades, millions of new homes and commercial buildings sprang up to ...

13 hours ago
Medical Xpress / New medium offers faster, cheaper drug-resistance detection

A critical problem in treating Clostridioides difficile infections is the possibility that the pathogen develops resistance to fidaxomicin, an antibiotic often prescribed as a first-line treatment. But current methods used ...

11 hours ago