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Phys.org / Newly discovered mechanism protects DNA during cell division
Every time a cell divides, it must accurately copy and distribute its DNA between two new cells. However, in some cases, chromosomes do not fully separate, leaving behind thin strands of DNA known as DNA bridges that connect ...
Phys.org / Photonic time crystals unlock ultrafast control of light in the terahertz range
An international team of researchers from École Polytechnique, Collège de France and Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has achieved a world first: the experimental realization of an all-optical photonic time crystal ...
Medical Xpress / Both full and limited endoscopic sinus surgery significantly improve quality of life in chronic rhinosinusitis patients
Both full and limited endoscopic sinus surgery significantly improve quality of life in patients with chronic rhinosinusitis with nasal polyps, according to a study published in Allergy. In both groups, patients' symptoms ...
Medical Xpress / Ancient mummy DNA provides scientific evidence that colonization brought smallpox to the Americas
Ancient mummy DNA recovered in Chile has yielded the firmest evidence yet that European colonization brought smallpox to the Americas.
Medical Xpress / AI scribes promise less paperwork but may introduce errors into patient records
Visits to a new doctor, physical therapist or specialist often begin with: "Do you mind if I use AI?" According to Off the Record, a new report by Digital Rights Watch, more than 40% of Australian doctors are now using AI ...
Medical Xpress / Researchers test heated hair products without animal testing
Hair products used in hair salons release aerosols that can cause respiratory tract irritation if inhaled. Under a contract from industry, researchers at the Fraunhofer Institute for Toxicology and Experimental Medicine ITEM ...
Phys.org / Laying odds on the potential for Martian water near future landing zones
We know Mars has water ice in its polar regions, but astronauts (and their solar-powered equipment!) would much rather experience life closer to Mars' equator. As NASA looks toward landing humans on the red planet, the Planetary ...
Medical Xpress / Risk of death 21% lower in patients with HIV-related fungal disease who were given combination drug treatment
In a clinical trial of adults with HIV-related cryptococcal disease, those treated with a two-drug combination had a 21% lower risk of dying than those treated with just one drug. This is according to City St George's research ...
Medical Xpress / Fluoxetine treatment after traumatic injury linked to fewer PTSD symptoms, lower pain
A preliminary, unblinded study has shown that people who took the antidepressant Prozac after suffering a traumatic injury reported fewer PTSD symptoms and lower levels of pain in the year after their injury.
Medical Xpress / This amino acid may help the body fight tumors and viral infections
The amino acid arginine helps keep the human body humming, most notably by synthesizing proteins that carry out a range of cellular processes. It's produced by our bodies and found in common high-protein foods. Low levels ...
Tech Xplore / Students engineer reusable tool to monitor abandoned oil and gas wells
For many mechanical engineering seniors, the Senior Capstone Design experience is the first opportunity to solve a problem without a textbook answer. For six Texas A&M University students, that challenge came from Los Alamos ...
Phys.org / Magnetic nanoparticles remove forever chemicals from water
PFAS, otherwise known as forever chemicals, have become commonplace in numerous everyday and industrial products. At the same time, they are some of the most problematic pollutants of our times: They are extremely durable, ...
