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Phys.org / Tracking forever chemicals across food web shows not all isomers are distributed equally

When University at Buffalo chemists analyzed samples of water, fish, and bird eggs, they weren't surprised to find plenty of per- and polyfluoroalkyl substances (PFAS). After all, these "forever chemicals" turn up nearly ...

Dec 2, 2025 in Chemistry
Phys.org / Jealousy fueled by social media can erode young couples' satisfaction with their relationships over time

Social media are a breeding ground for jealousy. It could be a new follower liking your partner's profile pic, an ambiguous comment under a post, a story shared with an overly friendly stranger, or a single emoji taken out ...

Dec 4, 2025 in Other Sciences
Phys.org / Emissions from global wildfires far higher than previously thought

The total emissions of greenhouse gases and airborne particles caused by wildfires are almost 70% higher than previously assumed. Researchers at Wageningen University & Research discovered this in a long-term study conducted ...

Dec 2, 2025 in Earth
Medical Xpress / WHO warns of increase in malaria cases and deaths

Deaths linked to malaria last year rose last year, the World Health Organization said on Thursday, warning also of an increase in cases and resistance to current treatment.

Medical Xpress / Kennedy's vaccine advisory committee delays vote on hepatitis B shots for newborns

A federal vaccine advisory committee on Thursday voted to delay a decision on whether newborns should still get the hepatitis B vaccine on the day they're born.

Dec 4, 2025 in Health
Medical Xpress / Endurance athletes have a four times higher risk of irregular heartbeat, and this may be why

Exercise is one of the best things we can do for a healthy heart. Yet research shows that endurance athletes have up to a four times higher risk of atrial fibrillation (an irregular or fast heartbeat) than non-athletes. This ...

Dec 4, 2025 in Cardiology
Phys.org / Discovery of new marine sponges supports hypothesis on animal evolution

A completely new order of marine sponges has been found by researchers at the Museum of Evolution, Uppsala University. The sponge order, named Vilesida, produces substances that could be used in drug development. The same ...

Dec 2, 2025 in Biology
Medical Xpress / Microglia replacement paves way for neurodegenerative disease therapies, moving from mice to humans in just 5 years

Tiny immune cells called microglia protect the central nervous system (CNS) in a multitude of ways: They provide innate immunity, shape neurodevelopment, maintain homeostasis and modulate neurological disorders. That functionality ...

Dec 4, 2025 in Neuroscience
Phys.org / Study reveals opportunity to improve blue carbon measurements in coastal wetlands

Coastal wetlands, like salt marshes, keep pace with sea-level rise by accumulating sediment and burying organic carbon in their soils, an important natural process that also helps sequester carbon. Accurately measuring this ...

Dec 4, 2025 in Earth
Phys.org / Why your faucet drips: Water jet breakup traced to angstrom-scale thermal capillary waves

Some phenomena in our daily lives are so commonplace that we don't realize there could be some very interesting physics behind them. Take a dripping faucet: why does the continuous stream of water from a faucet eventually ...

Dec 1, 2025 in Physics
Tech Xplore / Down-ranking polarizing content lowers emotional temperature on social media: New research

Reducing the visibility of polarizing content in social media feeds can measurably lower partisan animosity. To come up with this finding, my colleagues and I developed a method that let us alter the ranking of people's feeds, ...

Dec 4, 2025 in Internet
Medical Xpress / Good sleep starts in the gut

You might think good sleep happens in your brain, but restorative sleep actually begins much lower in the body: in the gut.

Dec 4, 2025 in Sleep disorders