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Dialog / Do decoherence, gravity, dark matter and dark energy all originate from quantum corrections?

Only about 5% of the universe is composed of normal matter that we can directly observe, while the remaining 95% is widely believed to consist of dark matter and dark energy. Paradoxically, however, the nature of these dark ...

9 hours ago
Phys.org / A new route for plasma-based particle accelerators

Plasma, the fourth state of matter, consists of a gas in which electrons are no longer bound to atoms, which allows electricity to flow freely. When beams of particles moving close to the speed of light travel through plasma, ...

6 hours ago
Tech Xplore / Lasers turn parchment paper into high-performance electronic circuits

What if the next generation of disposable electronics—the sensors in your food packaging, the diagnostic strips in a medical clinic, the environmental monitors scattered across a farm—were built not on silicon or plastic, ...

3 hours ago
Phys.org / Hidden nest cameras debunk long-standing myth about how cuckoos lay their eggs

An international team of ornithologists has overturned one of the oldest assumptions in natural history by directly documenting how common cuckoos lay their eggs in host nests located inside cavities. The findings, published ...

3 hours ago
Medical Xpress / ADHD treatment despite a history of psychosis: Research finds no increased risk of relapse

People with a history of psychosis often also have attention-deficit/hyperactivity disorder (ADHD). However, treating this condition presents doctors with a clinical dilemma: Psychostimulants are considered effective for ...

3 hours ago
Phys.org / NASA's Curiosity rover uncovers metal‑rich hotspot tied to ancient Martian lake

A team of scientists using the ChemCam instrument on NASA's Curiosity Mars rover has discovered the highest amounts of iron, manganese, and zinc ever found together in Gale Crater on Mars. Minerals with these metals were ...

8 hours ago
Phys.org / Microbes contribute a surprisingly large array of proteins in fermented foods

A new North Carolina State University study examining the proteins found in fermented foods like yogurt, cheese and bread found that a surprisingly large number, and percentage, of microbial proteins contribute to their overall ...

2 hours ago
Medical Xpress / CDC report on COVID vaccine blocked from publication

A federal report pointing out the benefits of COVID-19 vaccines may never be released, according to multiple people familiar with the decision.

2 hours ago
Medical Xpress / New glioblastoma clue could lead to therapies that weaken tumors and boost immune memory

A team of researchers from Brown University Health and Brown University has uncovered an important clue in the fight against glioblastoma, the most common and aggressive form of brain cancer in adults.

2 hours ago
Medical Xpress / Encouraging dieting and weight loss can shape youth body image into adulthood

Young adults spend hours a day on social media platforms filled with exercise influencers, fitness trends, and other appearance-focused content that can reinforce unrealistic body ideals. And for many of these younger people, ...

2 hours ago
Tech Xplore / Sharper bias tests could help stop ChatGPT from amplifying hidden stereotypes

Language models like ChatGPT are not neutral. Without our realizing it, they can absorb all kinds of bias—for example, around gender and ethnicity—which then become increasingly embedded in the model. According to AI researcher ...

2 hours ago
Phys.org / Discovery of new polymer class provides compostable alternative to conventional thermoplastics

Researchers at the University of Bayreuth have discovered a new class of polymers as part of the work carried out within the Collaborative Research Center (CRC) 1357 Microplastics. These polymers are characterized by biodegradable ...

4 hours ago