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Tech Xplore / Cheaper catalyst turns captured carbon dioxide, methanol and hydrogen into ethanol
An international team of researchers has developed a homogeneous catalytic process that converts methanol, carbon dioxide and hydrogen into ethanol using inexpensive and stable catalyst precursors.
Phys.org / Heat waves: Why British trees are shedding branches and dying
If you visit the Royal Botanic Gardens at Kew, on the edge of London, you will see a brightly painted skeleton of a dead oak tree. The tree, known as the climate-changed oak, succumbed in the heat wave of 2022. Instead of ...
Phys.org / How cells keep genomic hitchhikers under control
Much of the genome is made up of repetitive DNA sequences that trace back to ancient mobile elements, many of which have lost their ability to copy themselves into new locations but can still cause problems if they become ...
Medical Xpress / Geriatric patients can independently manage appropriately-designed digital nutrition apps, study shows
In an era where digital health applications are booming, older adults, particularly those facing the physical and psychological toll of post-acute rehabilitation, are frequently left out of the equation because of assumptions ...
Medical Xpress / Kids received mental health treatment in record numbers after pandemic, records show
When schools closed in the spring of 2020 at the onset of the COVID-19 pandemic, the number of children and adolescents receiving mental health treatment in the United States fell by more than half. By 2022, that number had ...
Tech Xplore / OpenAI to launch new model after US freeze
ChatGPT-maker OpenAI said its latest and most powerful artificial intelligence model will be released to the public on Thursday, as the U.S. government reportedly approved a broader launch.
Phys.org / Traveling protein waves reveal how dividing cells set chromosome-splitting spindle size
When a human cell prepares to split into two daughter cells, it must first construct a tiny internal machine called the mitotic spindle—a structure of protein fibers that physically pulls chromosomes apart and deposits one ...
Phys.org / Global warming, increasing wildfire risk threaten viability of some California winery regions
The U.S. is the fourth-largest wine-producing country by output volume, and approximately 80% of its production occurs in California. Ever since the 19th century, California's premier wine-growing regions have been the Napa ...
Medical Xpress / Meningococcal B vaccine ineffective in gonorrhea prevention for men who have sex with men
The meningococcal B vaccine is ineffective in gonorrhea prevention among men who have sex with men (MSM) at high risk of infection, according to findings from the world's largest randomized controlled trial (RCT) into possible ...
Medical Xpress / Researchers uncover possible cause of muscle pain from widely used cholesterol medication
Millions of people rely on statins, a medication used to lower cholesterol and reduce the risk of heart attack and stroke. But for some, the drugs come with an unwelcome trade-off: muscle pain, weakness and exercise intolerance ...
Medical Xpress / Foundation fights medical errors that claim 200,000 US lives a year
Medical error is one of the leading causes of death in the United States, and one organization believes those deaths can be stopped.
Medical Xpress / Lower diversity and poorer function of gut bacteria linked to frailty in older women
Researchers at the University of Gothenburg have identified clear links between the composition of gut bacteria and frailty in older women. In cases of high frailty, with an increased risk of illness and death, gut bacterial ...
