A new study finds that complex mountainous terrain can significantly change the effects of global warming over small distances. Researchers used Oregon's H.J. Andrews Experimental Forest data to predict variations in temperature caused by steep hills and valleys.
Coronary computed tomography angiography (CTA) is a cost-effective alternative to invasive cardiac catheterization, reducing costs by $789 per patient and radiation exposure by minimal amounts. The study suggests that CCTA can effectively triage patients with low CAD risk, potentially eliminating the need for cardiac catheterization.
The current BMI standards misclassify many reproductive-age women as 'not obese', particularly whites and Hispanics. The study recommends ethnic-specific BMI cutoff values to produce proper diagnosis of obesity, especially for Hispanic women.
Research from the University of Manchester and Western Sydney found that sports stars' behavior has little impact on young people's drinking habits. Young people tend to overestimate their friends' drinking, with actual drinking levels influenced more by sport-specific cultural habits.
Researchers at Penn University successfully used gene therapy to restore retinal cone function and day vision in canines with inherited day blindness. The treatment was effective for younger dogs and held promise for future clinical trials.
Children born to mothers prescribed methadone during pregnancy may experience significant vision problems, including nystagmus, strabismus, and refractive errors. Up to 80% of these cases require treatment for neonatal abstinence syndrome.
A study at Thomas Jefferson University found that non-invasive coronary computed tomography angiography (CTA) is a cost-effective alternative to invasive cardiac catheterization. Performing CTA before catheterization results in significant cost savings, with an average of $789 per patient.
Researchers have found that patients with hereditary ovarian cancer are more likely to experience secondary tumours in their liver and spleen, despite better overall prognosis. A new approach suggests testing these patients for BRCA1 and BRCA2 genes to ensure tailored treatment.
Research on blackcap birds found that strong directional selection for lower migratory activity leads to the evolution of partial migratory populations and finally, to non-migratory birds. This reduction in migration distance saves energy and time, allowing birds to occupy better breeding territories and produce multiple broods.
Scientists confirm chloride channel ClC-2's role in regulating nerve cell excitability. A lack of ClC-2 channels increases the excitability of inhibitory cells, which balance the system's sensitivity. The discovery opens new possibilities for brain research and understanding nerve cell communication.
A team of Virginia Tech students sequenced the genome of a previously unknown bacterium isolated from the university's garden. The nonpathogenic strain belongs to Pseudomonas syringae and has similarities to closely related pathogens, offering insights into disease mechanisms and potential for controlling devastating diseases like snap...
Catalan researchers have found a new species of primate, Pliopithecus canmatensis, in the Vallès-Penedès basin. The discovery sheds light on the evolution and dispersal of this extinct family of primitive Catarrhini primates from Africa to Eurasia.
The SPALINET lidar network aims to improve aerosol measurement quality in the Iberian Peninsula and Canary Islands. By combining satellite and ground-based data, researchers can better understand aerosol transport and impact on global radiation balance.
New research using DNA barcoding identifies specific tuna species with high mercury levels, which can pose a health risk to frequent fish eaters. The study suggests that consumers can minimize their mercury intake by choosing lower-mercury tuna options like yellowfin, and calls for clearer labeling of tuna species.
A study led by Johns Hopkins Children's Center found that children who lose a parent to suicide are three times more likely to commit suicide than those with living parents. The researchers also found that these children are nearly twice as likely to be hospitalized for depression and have an increased risk of committing violent crimes.
This study uses accelerometry to measure the energy expenditure of cane toads, revealing a higher metabolic rate than previously thought. The research provides valuable data for predictive models to optimize control efficiency in invasive species management.
Despite longer active resuscitation times, the survival rate of very preterm babies (born at 22-23 weeks) remains unchanged. The study found that more babies were being actively treated, but outcome remained the same.
Research confirms green tea catechins penetrate eye tissues, potentially protecting against glaucoma and other eye diseases. The study, published in Journal of Agricultural and Food Chemistry, found that these antioxidants absorbed by the eyes reduced oxidative stress for up to 20 hours.
Researchers have identified a gene regulating appetite and explored thyroid-stimulating hormone receptor protein to understand domestication's impact on chickens. The study provides a model for exploring the molecular basis of animal domestication.
A new standardized testing method for cranberry products reveals the effectiveness of urinary tract infection (UTI) treatments. The BL-DMAC method accurately quantifies PAC levels in products, ensuring accurate labeling and consumer selection.
Researchers discovered a genetic variant that affects cancer protection from statin drugs, enabling personalized use of the drug. The study suggests offering patients a test to determine if they have the right gene profile to benefit from current statins.
A study by David Victor finds that fossil-fuel subsidies undermine energy security and worsen the environment. Most subsidies are a waste of money, and their removal could provide $550 billion annually for more beneficial programs.
A new study analyzes over 1300 papers and finds that researchers based in more productive US states are more likely to report positive results, suggesting a bias towards 'publishable' findings. The results raise concerns about the impact of academic competition on scientific quality.
A Georgetown University Medical Center research team is developing new smoking cessation drugs based on an unconventional theory about nicotine addiction. The theory suggests that nicotine addiction results from smokers trying to maintain the increased number of brain nicotinic acetylcholine receptors in a desensitized state.
Researchers discovered that microRNAs can move between cells, conveying information and regulating tissue development in plants and animals. This finding has implications for understanding developmental disorders and potential applications in medicine.
Researchers from Georgetown University Medical Center are studying multiple ways to address treatment-resistant breast cancers. A third approach involves triggering vulnerable cells to respond to existing treatments, while another study focuses on targeting orphan nuclear receptors to prevent resistance.
Researchers found that older rats take twice as long to recover their sense of taste compared to younger counterparts. A balanced response between neutrophils and macrophages enhances recovery, but the exact mechanisms are not fully understood.
Professor Kathleen Keef is awarded a four-year, $1.2 million grant from the National Institute of Health to investigate the control of motility in the internal anal sphincter. This research has significant implications for fecal incontinence, affecting millions of Americans and leading to various quality-of-life issues.
Researchers at Johns Hopkins found that resveratrol increases levels of an enzyme shielding nerve cells in the brain from damage, protecting against ischemic stroke. The study suggests that moderate wine consumption may have a lower incidence of cardiovascular disease.
A new study by University of Iowa researchers suggests that patient-physician compatibility affects adherence to doctor's orders and even a patient's health status. When doctors and patients share similar attitudes on control, patients do better in managing their conditions.
Researchers at University of California, San Diego developed a new solar concentrator design that minimizes materials, alignment, and assembly costs. The innovative system collects sunlight with thousands of small lenses imprinted on a common sheet, reducing the need for individual photovoltaic cells.
Researchers have identified a new breast and ovarian cancer susceptibility gene, RAD51C, in a German study. The gene is associated with a high risk of breast and ovarian cancer, particularly in familial cases.
A study led by Penn State researchers found that an educational intervention, combined with home blood pressure monitoring, significantly improved patient knowledge and has the potential to lower blood pressure. The project aims to empower patients with high blood pressure to take control of their health.
The Physical Activity Guidelines for Americans recommend daily physical activity to prevent chronic diseases, with specific guidelines for youth, adults, and older adults. The guidelines emphasize the importance of promoting physical activity in clinical and public health practice.
Researchers at Duke University Medical Center found a successful pilot program increasing HPV vaccination rates from 0 to 44% among post-partum women. The study suggests that OB/GYN clinics can play a key role in vaccinating eligible adults, particularly pregnant and post-partum women.
Agricultural Research Service scientist Michael Flythe has found that hops can inhibit hyper-ammonia-producing bacteria, a key contributor to ammonia production in cattle. This reduction in ammonia production can lead to improved ruminant nutrition and reduced reliance on expensive high-protein supplements.
Researchers have discovered 2,363 new DNA sequences corresponding to 730 regions on the human genome, representing segments not charted in the reference map. The findings suggest that new genome assemblies based solely on next-generation sequencing might miss many of these sites.
A randomized controlled trial of early vs late tracheotomy in mechanically ventilated adult ICU patients found no significant reduction in ventilator-associated pneumonia (VAP) with earlier tracheotomy. The study also showed a higher number of ventilator-free and ICU-free days in the early tracheotomy group.
The MODIS instrument on NASA's Terra satellite captured a visible image of the ash plume from Iceland's Eyjafjallajökull volcano, drifting south and east over the Northern Atlantic Ocean. The ash plume appeared lighter in color than previous days, indicating a potential decrease in volcanic activity.
A new study warns of the dramatic rise in psychotropic medications for children, with up to eight million children taking one or more drugs. The authors caution that there is little evidence available to warrant the widespread use of these medications for children.
Researchers found that high levels of transforming growth factor beta 1 (TGF-β1) in breast cells may indicate atypical hyperplasia, a potentially precancerous condition. The study suggests that TGF-β1 could be part of a panel of genes and proteins used to identify women at risk of developing breast cancer.
Researchers at the University at Buffalo found that vitamin D supplements, diet, geographic location, demographic information, and lifestyle cannot accurately predict vitamin D concentrations in blood. This means that relying on proxy measures like food intake or latitude of residence to assess cancer risk is not reliable.
Singapore scientists have made significant breakthroughs in understanding early embryonic development using single cell gene expression analysis. The study resolves debates on cellular differentiation events and highlights the importance of fibroblast growth factor signalling in cell fate decisions.
Researchers identified four alternative turfgrass species—bentgrasses and fescues—as promising for use on low-input fairways. These cool-season grasses can survive under conditions of little or no supplemental irrigation, high traffic, and reduced fertility.
Researchers found a significant association between high fiber intake and reduced colorectal cancer risk when using food diaries, but no association was found with food frequency questionnaires. The study suggests that accurate measurement of dietary components remains a challenge in studies of diet and cancer risk.
A study published in JAMA analyzed US government data and found that consuming more added sugar increases cardiovascular disease risk factors. The study suggests reducing daily added sugar intake could be beneficial for long-term health.
Researchers at Yale University found that carbon nanotubes cause T cell antigens to cluster in high concentrations, stimulating the body's natural immune response. This breakthrough could improve current adoptive immunotherapy for cancer treatment by increasing T cell proliferation.
The NFL is supporting the Center for the Study of Traumatic Encephalopathy's (CSTE) research on long-term effects of head trauma in athletes. The $1 million gift will fund clinical research to develop early detection methods and prevent treatment for CTE, a degenerative brain disease associated with dementia.
Researchers have identified three new targets for potential treatment of Ewing's sarcoma, a genetic exchange between chromosomes that results in a fused gene. Additionally, two small molecules have been found to prevent or treat the spread of osteosarcoma, a very aggressive cancer.
Researchers from National Taiwan University evaluated the cooling effect of trees and bamboo in Taipei, finding that foliage density is key to reducing temperature. The study identified top species like Chinese elm and Rose wood for their high cooling effects, while others were less effective.
Long-term elder care residents, HIV-infected and hemodialysis patients are at increased risk of carrying MRSA in their noses. The study found varying quantities of MRSA, with some individuals having as few as 3 colonies and others up to 15 million.
Researchers investigated the role of Heat Shock Protein-90 (HSP-90) in neural vasoregulation and portal hypertension. They found that HSP-90 is essential for nNOS-mediated vasodilation, a significant finding with potential implications for clinical trials targeting portal hypertension.
Researchers tracked timber rattlesnakes to understand how wildlife habitats are affected by human encroachment. They found that even modest roads have a significant effect on genetic diversity, making populations more susceptible to illness or environmental changes.
Researchers found that cowpea produced comparable onion yields to bare ground, while foxtail millet was less effective as a mulch due to its thickness. Soybean meal showed potential as an effective source of nitrogen for organic onion production.
A study of 54 low- to middle-income countries found that mothers' shorter heights are associated with higher child mortality, underweight, and stunting. A 0.4 inch increase in maternal height was linked to a decreased risk of offspring mortality.
Researchers have created nanoscale cantilevers that can image individual proteins as they function on cell surfaces without causing damage. The new detection mechanism enables high-resolution imaging in a liquid environment, paving the way for studying biological systems and complex nanostructures.
Researchers at Fox Chase Cancer Center have identified NEDD9 as a key molecular player in the formation of HER2-driven breast tumors. The study shows that mice with the Nedd9 gene are more likely to develop tumors over an 18-month period, highlighting the protein's potential as a biomarker.
Researchers at IRB Barcelona discover that microRNAs regulate Myc protein levels through the molecule Mei-P26, providing new insights into cancer development. The study found that miRNAs affect Myc expression in Drosophila, suggesting a finely tuned mechanism to maintain optimal levels of both.
A new material, vanadium oxide, has been integrated with silicon chips to create 'smart sensors' that can respond quickly in extreme conditions. This technology allows for the development of infrared sensors for military and security applications.
Researchers at Tel Aviv University have developed advanced algorithms to enhance camera systems in cars, enabling faster detection of pedestrians and other moving objects. The system can recognize people from other vehicles and create a model that reacts almost instantly, potentially doubling down as a tool for autonomous vehicles.