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Phys.org / Vitamin Sea: How tiny ocean lifeforms shape nutrition
When humans need more Vitamin B12—a nutrient that makes healthy red blood cells and turns food into energy—we can get it by taking a supplement or eating fish. But what about ocean life, including the seafood we eat? ...
Medical Xpress / Most Americans still get nicotine wrong
Nicotine is the drug that keeps people coming back to cigarettes, but not the substance that causes serious health effects in people who use tobacco. It is the tar and toxic chemical mix in tobacco and tobacco smoke that ...
Phys.org / 'Molecular microscope' reveals greener path to ammonia
A team of researchers at Radboud University has discovered a promising new method to make ammonia—a key ingredient in fertilizers and many industrial chemicals—more efficiently and sustainably.
Tech Xplore / 'Personality test' shows how AI chatbots mimic human traits—and how they can be manipulated
Researchers have developed the first scientifically validated "personality test" framework for popular AI chatbots, and have shown that chatbots not only mimic human personality traits, but their "personality" can be reliably ...
Medical Xpress / Genetic influences on health can ripple through social groups via shared microbes
Your "roommate's" genes could be influencing the bacteria living in your gut, and vice versa, according to a study of rats published in Nature Communications.
Phys.org / Call your pop-pop: Unlocking conversations between generations
Researchers at Washington University in St. Louis are investigating the conversations that happen between grandparents and grandchildren in the St. Louis area.
Medical Xpress / Promising target improves antitumor response in preclinical models of pancreatic cancer
Researchers at The University of Texas MD Anderson Cancer Center have found that a mitochondrial enzyme, GFER, creates an immunosuppressive environment within pancreatic tumors, leading to treatment resistance.
Medical Xpress / Bright, flickering and flashing lights really can be bad for you—how to have a visually comfortable Christmas
It is the time of year when decorations appear everywhere and everyone has a preferred style, from bright flashing lights to something more understated. Christmas decorations are meant to be cheerful, yet for some people, ...
Phys.org / Understanding climate change in America: Skepticism, dogmatism and personal experience
Scientists are trained to be professional skeptics: to always judge the validity of a claim or finding on the basis of objective, empirical evidence. They are not cynics; they just ask themselves and each other a lot of questions.
Tech Xplore / What are gas stove manufacturers trying to hide? Warning labels
Colorado passed first-in-the-nation legislation requiring warning labels on gas stoves in June 2025. These warnings are similar to what is required by cigarette labeling laws.
Medical Xpress / Special breathing tubes don't improve emergency intubation outcomes, trial finds
Modified endotracheal tubes designed to reduce patient pneumonia risk failed to improve outcomes compared to standard breathing tubes, researchers report in a new study.
Phys.org / With wolves absent from most of eastern North America, can coyotes replace them?
Imagine a healthy forest, home to a variety of species: Birds are flitting between tree branches, salamanders are sliding through leaf litter, and wolves are tracking the scent of deer through the understory. Each of these ...
