Logging in tropical forests depletes vital nutrients, hindering recovery and limiting growth, as found in a new study published in Global Change Biology. The researchers discovered that multiple cycles of logging and regrowth irreversibly remove phosphorus from the forest system.
Researchers at the University of Central Florida used machine learning to optimize perovskite solar cell materials, enabling flexible and efficient energy production. The study's findings have the potential to revolutionize energy usage and storage.
A new tool developed by researchers at Karolinska Institutet and the Netherlands predicts a person's survival probability after dementia diagnosis over three years. The tool provides clear tables for primary care physicians and specialist clinics to estimate post-diagnosis life expectancy based on easily identifiable factors.
Acclaimed author Gloria Naylor's unpublished manuscript 'Sapphira Wade' provides insight into her prequel to Mama Day, exploring Bascombe Wade's life and cultural connections. The 131-page draft covers nearly two decades of his life, revealing unexpected character developments.
Researchers use millimeter-wave spectroscopy to observe reaction products, determining the structure of the transition state for the first time. The study identifies two different transition states and suggests additional mechanisms may be involved.
A team of scientists has modified an approved cancer drug to create a new antibiotic effective against multi-resistant bacteria, including MRSA. The new agent, PK150, targets unconventional structures within the bacteria and has shown promising results in mice, with no observed resistance development.
Astronomers used ESO's VLT to observe the Milky Way's central region, revealing a burst of star formation that occurred around one billion years ago. This intense event resulted in over 100,000 supernova explosions and is similar to 'starburst' galaxies.
A new study provides national estimates of neonatal abstinence syndrome and its associated healthcare costs, shedding light on the impact of opioid exposure during pregnancy. The findings highlight the need for increased support and resources for affected families.
The American Heart Association suggests focusing on an overall heart-healthy dietary pattern that replaces saturated fats with polyunsaturated fats to maintain healthy LDL cholesterol levels. A nutrient-rich diet emphasizing fruits, vegetables, whole grains, and lean protein sources can help reduce the risk of heart disease.
The Cancer Prevention and Control Research Network has published a supplemental issue of Preventive Medicine highlighting disparities in cancer prevention and control. The research findings report on factors contributing to rural disparities and strategies to improve equity in cancer screening rates.
Leafcutter ants can predict adverse weather by sensing changes in atmospheric pressure, allowing them to collect and store the largest possible amount of food. Under low pressure, scouts leave the nest faster, increasing foraging efficiency and cutting more leaves.
A study of Twitter data from over 128,000 users found that individuals in similar occupations share similar personality traits. This suggests that social media profiles could be used to predict career suitability and recommend suitable occupations.
Researchers used 3-D simulations to study how bats detect insect swarms, finding that small insects like mosquitoes become perceivable in large groups. The study's findings could provide insights into the evolution of bat echolocation and have potential applications for defense systems.
A new technique uses spectroscopy to identify biomarker patterns in blood samples, allowing for improved diagnosis and tracking of Huntington's disease progression. The breakthrough has the potential to lead to better ways to track treatment effects.
The Institute for Advanced Study has been awarded a $1 million grant from Schmidt Futures to leverage advances in high-performance computing and deepen our understanding of cosmic phenomena, including neutron star mergers, star formation, and galaxy dynamics. The project aims to develop new numerical methods and tools to address challe...
Researchers at Wake Forest University have developed a new process to convert carbon dioxide into usable chemicals or fuels using silver diphosphide as a novel catalyst. The process reduces energy loss by a factor of three compared to current state-of-the-art methods.
A musical mnemonic based on a popular nursery rhyme can help young children learn and remember the proper hand hygiene technique, potentially reducing the spread of stomach bugs, coughs, and colds. The study found that the song lyric instructions led to a reduction in bacterial residue on children's hands after handwashing.
Researchers discovered that events from 20,000 years ago or more are still impacting the diversity and distribution of mammal species globally. The study found that historic climate does a better job than current climate in explaining present biodiversity patterns.
A new study analyzed 2 decades of migration data and found that spring migrants were likely to pass certain stops earlier now than they would have 20 years ago. The researchers also found that temperature and migration timing were closely aligned, with the greatest changes in migration timing occurring in the regions warming most rapidly.
Researchers have developed new methods that leverage growth regulators and gene editing reagents to trigger seedlings with edited genes. These approaches significantly reduce the time needed for gene-edited plant production from months to weeks, making it easier for small labs and companies to utilize.
The global food system has led to an intersection of undernutrition and overweight in low- and middle-income countries. More than a third of these countries face the double burden of high levels of both, primarily due to changes in food systems and increasing availability of ultra-processed foods.
Researchers have cracked a rare gene variant for a devastating disorder that causes severe neurodegeneration in infants, leading to loss of motor skills and language ability. Targeted B vitamin therapy has been successfully developed to treat the condition.
Research shows air pollution harms hearts in humans and marine species through similar mechanisms, with PM2.5 being a major contributor to increased risk of coronary heart disease and stroke. The study highlights the importance of reducing air pollution to protect human health.
A multinational study of 4,277 pupils from 151 schools found that smaller class sizes were only associated with improved non-cognitive skills in Lithuania. In Romania, however, smaller classes led to greater academic achievement and enjoyment of learning mathematics and science. The study's results suggest that reducing class size does...
A growing double burden of malnutrition affects individuals, families, communities, and countries in low- and middle-income countries. High-quality diets are crucial to prevent all forms of malnutrition, while changes in food systems drive the emerging global epidemics of type 2 diabetes and other non-communicable diseases.
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.