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Medical Xpress / Cryo-EM helps identify the mechanisms of dental plaque formation

Periodontal (gum) disease is one of the most prevalent diseases worldwide, caused by the bacterium Porphyromonas gingivalis (P. gingivalis). In Japan alone, approximately 80% of adults 30 and older are affected or considered ...

7 hours ago
Phys.org / Quantum computer simulates hadronization, reproducing string breaking with 104 qubits

By remotely accessing an IBM quantum computer, a research scientist at Lawrence Berkeley National Laboratory has successfully simulated a key process in particle physics: hadronization. Although based on a simplified model ...

2 hours ago
Phys.org / Houston power plant emerges as dominant source of cloud-forming aerosols

Research by atmospheric scientists at UC San Diego's Scripps Institution of Oceanography and colleagues pinpointed an individual coal-fired power plant in Houston as the main source of particles most likely to encourage the ...

9 hours ago
Phys.org / Should AI chatbots simulate care for students? Alberta teachers say no

Should schools allow AI systems that don't just answer students, but appear to care for them?

4 hours ago
Medical Xpress / High-dose IV vitamin C may lower risks of death and sepsis in trauma patients

High doses of intravenous (IV) vitamin C may lower the risk of death and sepsis in trauma patients, as well as shorten hospital stays, a review of the available evidence published online in the journal BMJ Military Health ...

2 hours ago
Medical Xpress / Lower thresholds may explain rise in young people's service use for mental health issues

Lower thresholds for seeking medical help and/or changes in diagnostic practice, rather than a true increase in worsening psychological ill health, may help explain the rise in young people's primary care service use for ...

2 hours ago
Medical Xpress / Higher vitamin A levels linked to better lung function in children and adults with asthma

Higher levels of circulating vitamin A are linked to better lung function in children and adults with asthma, while vitamin D shows similar benefits in adults, including slower biological aging, finds the first study of its ...

2 hours ago
Phys.org / The strange history of Czech cactus hunters, and why some see themselves as Robin Hood figures

Four Czech men were arrested at Guarulhos International Airport in São Paulo, Brazil, in February this year on charges of smuggling native species.

4 hours ago
Phys.org / Human activity has not always harmed biodiversity—quite the opposite

For millennia, farming in Switzerland did not reduce plant diversity but helped increase it, University of Basel researchers have shown in a detailed reconstruction covering the past 7,000 years. Only recent decades paint ...

9 hours ago
Phys.org / Arabian Sea sediments reveal summer and winter monsoons shifted differently after last ice age

High-resolution sediment analyses from the Arabian Sea reveal, for the first time, that summer and winter monsoons respond differently to global climate change. The study enhances understanding of past precipitation patterns ...

8 hours ago
Tech Xplore / 3D-printed battery electrolyte could let devices store power in almost any shape

Researchers at The University of Texas at El Paso have developed a way to 3D-print an essential battery component in nearly any shape. Their innovation could free engineers from the constraints of standard rechargeable battery ...

8 hours ago
Phys.org / The little red galaxies that may be sending us neutrinos

Peering far into the distant, high-redshift universe, the James Webb telescope has discovered an abundance of small red galaxies known as the Little Red Dots. From their observations, astronomers believe that at least some ...

9 hours ago