A recent study found that managed rivers in California are compromising the diversity of native Chinook salmon, making them more vulnerable to environmental changes. The researchers suggest that restoring natural flows and habitats could improve their survival rates, while also preserving a 'portfolio effect' that allows for adaptabili...
A recent NRG Oncology study found that breast-conserving treatment without surgery is not feasible based on the study's criteria. The study showed a negative predictive value of 77.5% for tumor bed biopsies, which falls short of the required threshold to support omitting surgery.
A new study found that children in LMICs receive an average of 25 antibiotic prescriptions during their first five years of life, which could exacerbate resistance. The excessive use of antibiotics worldwide poses a significant threat to global health and development.
A major study has identified seven key themes to inform strategies for supporting Australian Aboriginal and Torres Strait Islander parents in the first years of their children's lives. The research aims to break the cycle of intergenerational and complex trauma experienced by Aboriginal and Torres Strait Islander people.
A deep neural network model developed by Finnish researchers can predict healthcare visits among elderly people with high accuracy. The model has the potential to save millions of dollars in unnecessary funding for healthcare services.
Researchers create novel materials with diameters of 0.5-2 nm using dendrimer molecules, enabling applications in electronics, biomedicine, and chemistry. Enhanced Raman spectroscopy method boosts sensitivity for detecting subnano clusters.
A new assay developed by researchers at Baylor College of Medicine can study six different cellular pathways simultaneously, providing a deeper understanding of cancer and other complex diseases. The multiplexed hextuple luciferase assaying saves time and expense compared to traditional approaches.
Neuroscientists at Lund University have developed a new technology to deliver gene therapy to specific cell types, accelerating evolution from millions of years to weeks. The method combines computer simulations and modeling with gene technology and sequencing to tailor virus shells for precise targeting.
Researchers at Washington State University found that donors feel betrayed when their money is redirected from a specific project to another cause, even if the new use is for a worthwhile purpose. Donors are less likely to give again or volunteer for the charity.
The NIH is providing renewed funding for the Antibacterial Resistance Leadership Group (ARLG) to conduct clinical research and develop novel strategies to combat antibiotic-resistant infections. The ARLG has established collaborations in 19 countries and conducted over 40 clinical studies involving over 20,000 volunteers.
Scientists successfully created a large synthetic nanopore made from DNA with a functional gating system for sensing and bio-sensing applications. The pore can translocate large protein-sized macromolecules between compartments separated by a lipid bilayer, enabling label-free real-time biosensing of trigger molecules.
A study by researchers at the University of Waterloo found that 7.5% of psychiatric hospital patients used opioids in the year prior to admission, compared to 2% of the general population. The study highlights the need for integrated health services to address pain, mental health conditions and substance use.
Researchers uncover a new layer of mystery in visual memory and amblyopia by revealing NMDA receptors' unexpected role. The study shows that plasticity underlying amblyopia occurs elsewhere in the brain than previously thought.
Researchers Marcos Barp and Felipe Arretche developed a model predicting rotational energy loss when positrons collide with molecules like CF4 and methane. The model agreed well with experimental results and could improve PET scanning techniques, providing new insights into matter-antimatter interactions.
The study identified two fundamental patterns of knowledge exchange: theory-method and technical interdisciplinary collaborations. The researchers developed recommendations for effective working in interdisciplinary teams, including agreeing on goals, communication rules, and research tools, to save time and money.
Researchers at McMaster University developed a self-cleaning surface that can repel all forms of bacteria, preventing the transfer of antibiotic-resistant superbugs in medical settings. The treated material is also suitable for food packaging to prevent bacterial contamination, such as E. coli and Salmonella.
In 2018, Salmonella was responsible for nearly one-third of foodborne outbreaks in the European Union, affecting 48,365 people. The European Centre for Disease Prevention and Control and the European Food Safety Authority report that these outbreaks were mainly linked to eggs.
A study by University of Alberta chemists identifies CD33 protein as a factor that may decrease the likelihood of Alzheimer's disease. The most common type of CD33 protein plays a crucial role in modulating microglia function, which can protect against neurodegenerative plaques.
The editorial highlights burnout among physicians, including women, and the persistent gender gap in the neurology workforce. The authors suggest structural changes to address these issues, such as flexible work hours, daycare, and mentorship programs.
MDC researchers used new imaging techniques to track titin's entire lifecycle, revealing its dynamic nature and unexpected pool of soluble titin outside the sarcomere. This breakthrough provides novel insight into muscle tissue formation and could lead to understanding of human diseases associated with mutated sarcomeric proteins.
A recent study found that nontuberculous mycobacterial lung disease is increasing in prevalence and incidence across the US, particularly among women and those over 65. The annual incidence of NTM lung disease increased from 3.13 to 4.73 per 100,000 person-years, while prevalence rose from 6.78 to 11.70 per 100,000 persons.
Researchers at UC Davis discovered that rectal microbes can impact HIV vaccine efficacy, with Lactobacillus supplements boosting antibody production and Prevotella bacteria hindering immune responses. The study suggests targeting specific gut bacteria may improve vaccine performance.
A $1.4 million grant is awarded to improve food security for Aboriginal communities in Central Australia and Torres Strait Islanders. The project focuses on promoting healthier diets through pricing strategies and community engagement.
A new study found that people tend to prefer high-calorie foods when they sense a scarcity of time, as opposed to when time is shown moving upwards. Researchers discovered this pattern through experiments in which participants were asked to complete tasks while a timer counted down or up.
Salk researchers found that mitochondria trigger molecular alarms when cells are stressed, which can lead to increased resistance to chemotherapy. This discovery may pave the way for new cancer treatments that target mitochondrial stress.
Scientists have developed a method to synthesize carbon nanotubes (CNTs) with a selectivity of 90%, challenging existing theories. The new approach allows for the production of specific types of CNTs, such as (2n, n) CNTs, which are ideal for electronic applications.
A team of Brown University researchers will compare two licensed flu vaccines in up to 1,000 nursing homes to identify the most effective one for elderly residents. The study aims to inform public health decision-making and improve healthcare outcomes for this vulnerable population.
Researchers discovered that Savannah monitor lizards have lung structures with a complex airflow pattern that is part bird and part mammal. The unique system distributes air into tiny chambers and exhibits unidirectional airflow during both inhalation and exhalation.
The pooled analysis of three clinical trials shows entrectinib is effective in 77% of patients with ROS1+ NSCLC and 57% of patients with NTRK+ NSCLC, with significant response rates and progression-free survival times. Entrectinib's ability to penetrate brain metastases makes it a promising treatment for these patients.
The American College of Medical Genetics and Genomics recommends evaluating all breast cancer patients for hereditary predisposition. However, they caution that there is insufficient evidence to support genetic testing for BRCA1/2 or multi-gene panels in all breast cancer patients.
Researchers have developed new methods to track brain activity in living mice, using a molecule that responds directly to voltage changes in neurons. The techniques enable the study of fine details of brain activity, including how neurons process signals and decide when to spike.
A team of researchers from IU School of Medicine has discovered a way to predict the recurrence of triple negative breast cancer in women. They found that patients without circulating tumor DNA in their plasma had an 81% chance of being cancer-free after two years, compared to 56% for those with detectable levels.
Researchers found that women with poorer quality of life, higher pain and endocrine symptoms, and negative beliefs about medication effectiveness are more likely to stop taking aromatase inhibitors. Patient-reported outcomes can act as biomarkers, predicting non-adherence and informing personalized treatment strategies.
Engineers at Duke University create a bandage that traps and holds the pro-healing molecule adenosine, accelerating callus formation and vascularization to improve bone repair. The results show better bone formation, higher bone volume, and better vascularization in mice treated with adenosine-laced bandages.
A novel noninvasive technique using acoustofluidics analyzes saliva for the presence of human papilloma virus-16 (HPV-16), associated with oropharyngeal cancers. The test detected OPC in 40% of patients tested and 80% of confirmed cases, offering early detection, risk assessment, and screening.
A new non-invasive imaging technique using 89Zr-immuno-PET can measure target engagement of therapeutic antibodies in tumors, enabling personalized treatment. This method provides a significant advance over current invasive methods and has important implications for patient care.
Physicists have discovered that an existing technique is more accurate in explaining the 'critical temperature' of superconductivity in pure, single-layer graphene. This finding has significant implications for understanding graphene's diverse structural properties and potentially aiding the development of new technologies.
Researchers have developed a method to produce astaxanthin, a natural antioxidant, in a faster and more efficient way than previous methods. The new process uses the fast-growing marine cyanobacterium Synechococcus sp. PCC7002 as a host and requires only water, light, and CO2 to produce the valuable substance.
Researchers discovered a hotspot in Earth's radiation belt where killer electrons form, which can cause serious anomalies in satellites. The finding improves the accuracy of forecasting when these high-speed electrons will form, potentially impacting space weather science.
This observational study examines US Army suicides from 1819 to 2017, revealing a significant increase in rates over time. The peak suicide rates occurred during the 1960s and 1970s, with a total of 4,000 deaths recorded during this period.
Researchers found that women who used ibuprofen or naproxen had a 40% reduced breast cancer risk, while aspirin use offered no benefit. Young women with HER2-positive breast cancer may preserve fertility by choosing less intensive chemotherapy regimens.
Researchers at UCSF-Kaiser Permanente found that primary care patients with 'unhealthy alcohol use' were 15% more likely to take benzodiazepines than moderate drinkers and nondrinkers. This increased risk was associated with a higher likelihood of overdose, accidents, falls, and exacerbation of psychiatric conditions.
A new study reveals that molecular chaperones play a crucial role in preventing the misfolding of alpha-synuclein protein, which is associated with diseases like Parkinson's. By inhibiting these chaperones, researchers found that alpha-synuclein aggregates can form at the amino acid level.
The wild relatives of chile peppers, pumpkins, carrots, and lettuce are imperiled, with many species not well-represented in gene banks or protected areas. These plants possess genes that can help their cultivated cousins withstand harsh climate conditions.
Research shows that collaborating on waiting area entertainment can increase revenue and customer loyalty. By working together, businesses can offset high operational costs and compete on other dimensions like prices.
A study led by the University of Arizona College of Medicine-Phoenix found that elevated levels of IL-36y are associated with bacterial vaginosis. The researchers also discovered that infection with BV-associated bacteria induces IL-36y in a species-specific manner.
A new approach to trapping light in artificial photonic materials could revolutionize data transfer speeds online. Researchers at City College of New York led by Alexander B. Khanikaev have made a significant breakthrough, enabling the design of new optical resonators that may impact devices used daily.
A newly proposed model suggests the HIV-1 viral shell has a spherical matrix shape that fuses to host cells, releasing the viral capsid inside. This structure may help scientists understand the infection process and develop new treatments, such as blocking the viral entry mechanism.
The Wyss Academy for Nature tackles biodiversity losses, climate change, and land resource demands by bringing together experts from policy, business, and civil society. The initiative aims to develop forward-looking solutions on a global scale.
Researchers demonstrate direct emission of orthogonal handed circular polarization from achiral luminophore using liquid crystalline phase. The twisted structure allows for the generation of CP light with various polarization states.
A team of Brown University researchers used a brain-computer interface to reconstruct English words from neural signals recorded in the brains of nonhuman primates. The study showed that neural data produced high-fidelity reconstructions that were clear to a human listener, using multielectrode arrays for the first time.
A study published in the Journal of Allergy and Clinical Immunology identified over 300 genes and 200 CpG sites associated with reaction severity. The research suggests that neutrophil-mediated immunity plays a prominent role in peanut allergy reactions, offering potential new targets for treatment.
Research led by UMass Amherst scientist Alexander Suvorov identified the mechanism responsible for flame retardant's effect: an altered liver epigenome. Perinatal exposure permanently changed liver metabolism in rats, potentially applicable to humans.
A recent study published in Journal of Archaeological Science reveals that the Moai statues were believed to aid in agricultural fertility and production. The analysis of soil samples from two excavated Moai found high levels of essential nutrients, supporting the Rapanui people's practice of planting multiple crops together.
Researchers found that residual cancer burden index and classification are accurate and reliable tools to assess patient prognosis. The results suggest that continuous RCB index can predict risk of breast cancer recurrence across all four breast cancer subtypes.
Researchers found that female mongooses abort pregnancies more frequently during times of food scarcity and high competition. The study suggests that this adaptive strategy enables females to save energy for future breeding attempts.
A community-based program enables patients to donate tumor tissue and blood samples for research, allowing researchers to study genetic and molecular makeup of tumors after treatment failure. Analysis reveals similar DNA mutations and varying protein biomarker expression among samples from the same patient.
A Dartmouth study finds that conscious visual perception of location occurs in the frontal lobes, contradicting previous assumptions about its location. The research used fMRI data and multivariate pattern analysis to investigate where conscious perception emerges and how the brain codes this.
A new international project will utilize pluripotent stem cells to preserve bird genetic resources. The project, led by Kazan Federal University, will analyze genomes and study genetic mechanisms of suspended embryogenesis in birds.
Researchers found that standard pathology tests provide better information on likely outcome and best treatment options for patients with bladder cancer than molecular subtyping techniques. The study suggests that more study is needed before molecular subtypes are used to guide patient care.
Scientists and innovators present the concept of the Circular Carbon Economy, a system where carbon emissions are reduced, reused, recycled, and removed. This approach is inspired by nature and aims to restore the balance of the carbon cycle.
A new study by Bocconi University finds that private companies with similar organizational structures display higher accounting quality than public ones. This is particularly true for standalone firms, which tend to underreport earnings to save taxes, whereas business groups exhibit more reliable accounts.
A new study by University of Alberta ecologists reveals that male squirrels who move outside their population live longer and have more offspring. In contrast, female squirrels do not reap the same benefits, losing out on family support and facing fitness costs after dispersal.
Scientists developed flexible and efficient transparent solar cells with colour-neutrality using silicon microwires embedded in a polymer matrix. The devices demonstrate transparency of up to 55% and excellent flexibility, making them promising for future transparent solar cells.
A Duke University study finds that baby pandas' bones mature at the same rate as other mammals, but are developed at an accelerated pace. The researchers used micro-CT scans to create 3D digital models of each baby's bony interior and discovered that giant panda skeletons are just like those of closely related animals, but smaller.
A retrospective study found that women with government insurance had lower survival rates, increased risk of dying, and were more likely to stop treatment early in breast cancer clinical trials. The study also did not find a significant association between neighborhood socioeconomic status and trial outcomes.
A team of researchers extracted large air samples from Antarctica's Law Dome site, dating back to the 1870s, to track the history of hydroxyl and its impact on climate models. The analysis aims to produce a concentration curve for carbon-14 monoxide and hydroxyl over the decades, shedding light on past and future climate changes.
A new study found that people who presented to California emergency departments with deliberate self-harm had a suicide rate 56.8 times higher than demographically similar Californians. Patients with suicidal ideation had a suicide rate 31.4 times higher, reinforcing the need for universal screening and follow-up care.