A new study reveals that microRNAs regulate the size of bald patches on fruit fly legs, driving natural variation in morphology. The findings suggest a novel mechanism for evolutionary adaptation involving small RNA molecules.
A Swedish study published in Neurology suggests a decline in the risk of developing dementia over the past 20 years. The study, which analyzed data from the SNAC-K study on aging and health, found that improvements in cardiovascular disease prevention may have contributed to this decrease.
Researchers at Argonne National Laboratory have observed nanoparticle chains forming in situ for the first time, using a transmission electron microscope. The study demonstrates the potential of nanoparticles in energy-relevant technologies and could lead to new materials with unique properties.
UCSF scientists discovered that muscle repair requires the action of two types of cells: eosinophils and fibro/adipogenic cells. Eosinophils help clear cellular debris and collaborate with FAP cells to trigger muscle regrowth.
A global murmur, then unusual silence: A recent study found that following a major Indian Ocean earthquake, global seismic rates increased for days but subsequently dropped to zero for over 95 days. Researchers attribute this quiet period to the event causing short-term dynamic stressing of a global faulting system.
University of Chicago researchers engineer small molecules that support long-lived quantum coherences, mimicking photosynthetic systems. These findings demonstrate the feasibility of recreating quantum mechanics in man-made compounds.
A recent clinical study found that young athletes who specialize in one sport and train intensively are at a significantly higher risk of stress fractures and other severe overuse injuries. The study suggests that young athletes should not spend more hours per week in organized sports than their ages to reduce the risk of injury.
Research suggests that high stress hormone levels in mothers can actually help their offspring grow faster and stronger. In a six-year study on North American red squirrels, stressed-out mothers raised pups that were significantly larger than those of control females.
Researchers from the University of Manchester found that early access to cognitive behavioral therapy (CBT) significantly reduced the risk of developing a full-blown psychotic illness. CBT was shown to reduce the risk by more than half at six, 12, and 18-24 months after treatment started.
A new study by Think Elephants International reveals that elephants are not able to recognize visual cues provided by humans, despite being more responsive to vocal commands. This finding has significant implications for future protection protocols and conservation efforts for endangered elephants.
A new study of 99 patients found that a single venous puncture technique is comparable to the traditional dual puncture approach in terms of technical success and clinical outcomes. The single puncture technique was also shown to reduce complications, such as deep vein thrombosis, compared to the double puncture method.
Researchers at the University of Manchester found that wearing a knee brace improves symptoms, function, and muscle strength in patients with patellofemoral osteoarthritis. The study's findings have enormous potential for treating this common joint condition effectively and reducing reliance on painkillers.
The iconic Horsehead Nebula is seen in a new infrared image from NASA's Hubble Space Telescope, showcasing its ethereal and transparent appearance at this wavelength. The nebula, located about 1,500 light-years away, is part of the Orion Molecular Cloud and is being formed by massive stars.
A global-scale modeling study finds that carbon emissions from human activities on land were 40% higher in the 1990s due to nitrogen's limiting effect on plant growth. This underestimation has significant implications for international policy, requiring deeper emission cuts to meet mitigation targets.
A new study shows that chemical shift techniques in MRI can accurately differentiate clear cell renal cell carcinoma from other types of kidney cancer, enabling better treatment planning. The technique achieved an 83% accuracy rate in distinguishing between tumor types.
Despite USPSTF recommendation, mammogram rates among women between 40 and 49 have not declined. A study from Brigham and Women's Hospital found a slight increase in mammography rates between 2008 and 2011.
A new study suggests that tomosynthesis increases breast cancer detection rates by 11%, particularly benefiting women with dense breasts. The technology's improved performance in dense breast tissue was attributed to its ability to detect invasive and intraductal cancers more accurately.
Researchers at UT Southwestern Medical Center have found that alternative splicing may be a new approach for inhibiting telomerase, an enzyme driving uncontrolled division of cancer cells. By shifting the splicing, they demonstrated a potential method for turning off telomerase activity, which could lead to new cancer therapies.
A survey by AIG reveals that hospital executives prioritize financial sustainability over patient safety, citing barriers such as inadequate teamwork, poor communication, and documentation burdens. Despite a cultural emphasis on patient safety, many executives acknowledge the need for major changes to maintain this culture.
Researchers have discovered that protein Shc acts as a tumor suppressor by binding to and blocking the activation of cancer-promoting protein Erk. This finding has significant implications for treating various types of cancer, including ovarian and prostate cancer.
Researchers develop a solar-powered nano filter that can remove 64% of antibiotics from surface waters, compared to 40% by traditional filters. The new filter uses light-driven bacterial proteins to power the absorption process and allows for antibiotic recycling.
Researchers engineered algae to produce a fusion protein that blocks malaria transmission, suggesting its potential use in treating other mucosal lining infections. The study's findings encourage the development of algae-based vaccines as a cheaper alternative for distributing life-saving medicines to developing countries.
Researchers used atomic force microscopy to measure the mechanical properties of single cells in articular cartilage. They found that vimentin protein plays a key role in maintaining cell integrity, and that adult tissue has higher mechanical properties than young or old tissue.
Researchers at Bonn University Hospital have deciphered the mechanism of CMA, a long-forgotten antiviral candidate. The study reveals that the compound stimulates the immune system in mice but not humans due to differences in receptor structure. This discovery inspires the search for an effective antiviral drug.
A study from Yale University found that two views are better than one in 3D breast screening to ensure optimal cancer detection. The CC view achieves better compression and shows lesions clearer due to its ability to compress the breast tissue.
Kessler Foundation participates in a multi-site NIH study to develop the TBI-CareQOL, a new tool to assess quality of life for caregivers of persons with traumatic brain injury (TBI). The study aims to identify challenges faced by these caregivers and inform treatment and resource needs.
New research shows that mathematical prediction models, not doctors, are better at predicting the outcomes and responses of lung cancer patients to treatment. The models use information from previous patients to create a statistical formula that can be used to predict patient survival and response to treatment.
A recent study suggests that a tsunami could affect the US East Coast due to the similarity in tectonic settings between offshore earthquakes and major Canadian earthquakes. The potential threat area stretches from New England to New Jersey, with several earthquake swarms detected off the Atlantic continental shelf.
A new study has mapped the use of alternative treatments among multiple sclerosis (MS) patients, revealing that more than half combine conventional and alternative medicine. The research highlights the importance of understanding how MS patients use both conventional and alternative treatments to manage their condition.
Research finds that a significant proportion of black carbon in soil dissolves into rivers and flows to the ocean, undermining efforts to use soil as a carbon sink. The study estimated that 27 million tons of black carbon flow from rivers to oceans annually.
Researchers are working to extend earthquake risk estimates globally, studying hundreds of M≥7 mainshock events in 21 regions. Initial results show that remote triggering has occurred at least once in half of the regions studied during the past 30 years.
Taking painkillers before marathons increases the risk of gastrointestinal problems by 13%. The rate of symptoms rises with increasing dose. Runners who took painkillers were five times as likely to experience symptoms as those who didn't, according to a recent study.
Researchers at the University of Exeter developed a new photoelectric device that converts light into electrical signals using graphene and graphExeter. The ultra-lightweight, flexible device has potential applications in photovoltaic textiles, intelligent windows, and smart materials.
Researchers found two tiny silica grains in primitive meteorites, with unusual isotopic signatures suggesting they originated from a single core-collapse supernova. This discovery provides clues to the complex nuclear and convective processes operating within stars, shedding new light on stellar evolution and the solar system's formation.
Researchers have discovered a new mechanism of DNA helicase that utilizes thermal motion to move long distances along DNA, providing an energy-efficient way to unwind double-stranded DNA
A new study by University of Michigan Health System researchers found that women who give birth as teens are significantly more likely to be overweight or obese later in life. The study, based on data from the National Health and Nutrition Examination Survey, identified teen pregnancy as a predictor of obesity.
Researchers found at least 759 seismic events before the mine collapse and 569 aftershocks, with some evidence of up to 1,022 seismic events and 1,167 aftershocks, indicating a larger collapse area extending to the west end of the mine
A study of over 1300 female marathon runners found that breast pain is more common among larger breasted women, but also affects childless women. Exercise intensity and duration can exacerbate symptoms, leading some to reduce exercise intensity or miss training sessions.
A new 'tree of life' for fishes has been recharted with the help of genetic and physical information, revealing significant changes to existing ideas on fish relationships. The research improves scientists' ability to predict how closely related species might react to environmental factors like climate change.
Researchers found that 10% of dissolved organic carbon in rivers comes from charcoal, highlighting the need for greater consideration of carbon sequestration techniques. The study's findings have implications for mitigating climate change by improving our understanding of the environmental fate of charcoal.
A novel monoclonal antibody targeting SFRP2 has been shown to inhibit tumor growth in pre-clinical models of breast cancer and angiosarcoma. The antibody is the first therapeutic discovered that targets SFRP2, a protein linked to angiogenesis and cancer progression.
A new study suggests that ocean acidification could lead to increased hearing sensitivity in fish, with potential benefits for navigation and communication. Researchers found that fish raised in low-pH seawater had larger otoliths, which are used for hearing and balance, resulting in up to a 58-percent increase in otolith mass.
A new UCLA study finds a significant correlation between poorer performance on neuropsychological tests and memory complaints in post-treatment, early-stage breast cancer patients. The research suggests that 'chemo brain' may involve neurophysiological changes associated with chemotherapy and radiation treatment.
A genome-wide association study of over 6,000 people has identified seven new genetic regions linked to pulmonary fibrosis. The research provides clues to the disease's mechanisms and suggests a possible connection between genetic variants and environmental factors.
A recent IRB study published in Chemistry and Biology has identified 1,162 side effects caused by drugs, with molecular descriptions for 446 cases explained solely by biology and 68 by chemistry. The research provides a list of