Researchers found significantly larger neurons in the brain's memory region of SuperAgers compared to cognitively average peers, individuals with early-stage Alzheimer's disease, and younger individuals. These larger neurons were spared from tau tangles, a hallmark of Alzheimer's disease, suggesting they may maintain structural integrity.
A new study by Anglia Ruskin University found that hostile behavior from leaders can lead to co-workers adopting similar behavior, creating a toxic workplace environment. The research also discovered an association between experiencing hostile behavior and emotional exhaustion, job insecurity, and abusive peer behavior.
A new study reveals that 60% of northern Fennoscandia's grazing land is exposed to multiple pressures, including forestry, tourism, and climate change. This reduces the size and quality of summer grazing areas, with only 4% remaining undisturbed.
Researchers developed an ultrasmall VN/Co heterostructure anchored in N-doped graphitic nanocarbons, achieving high current density and durability. The hybrid structure showed improved HER activity and stability, offering a novel strategy for industrial super-stable catalysts.
Researchers studied lamprey, an ancient fish that can live in freshwater and seawater, to understand how animals adapted to freshwater habitats. They discovered a hormone similar to prolactin that regulates salt transport proteins, enabling the lamprey's survival in freshwater.
Researchers have developed a model of how human embryos are formed, revealing that genes are switched on almost immediately after fertilization. This discovery may also shed light on the origins of cancer, which is often diagnosed at an advanced stage.
Scientists at the University of Liège have successfully manipulated the shape and symmetry of floating crystals by navigating between metastable states. The researchers used two experimental techniques: applying a horizontal magnetic field to induce deformation or controlling the growth of an assembly using thermocapillary fluxes.
A team of experts from the University of Cambridge has set out a five-point framework to help level up health and tackle health inequalities. The researchers argue that reducing health disparities is crucial, particularly in light of the long-term economic repercussions of the COVID-19 pandemic.
Researchers found that PITPNC1 is required for maintaining body temperature in mice under acute cold exposure. The gene's deficiency leads to decreased serum glucose and fat storage, implying its role in heat production using fatty acids.
A new University of Colorado Boulder research warns that an obscure family of viruses in wild African primates may jump to humans, causing disease. The study focuses on simian arteriviruses, which have caused Ebola-like symptoms in monkeys and may attack immune cells like HIV.
A new study predicts that global warming will shorten safe ice conditions on frozen lakes by 2-3 weeks over the next 80 years. This will have a significant impact on indigenous communities and regional economies that rely on ice roads.
A joint research team has proposed a method for densely storing data using a sharp probe, enabling polarization switching with minimal force. The result shows a significant increase in storage capacity, reaching up to 1 terabit per square centimeter.
The study identifies households with high energy expenditures as the most affected groups, which should receive direct transfers for compensation. Cash payments to all households combined with moderate support for renewable energies can achieve a socially just solution, lowering energy prices and reducing hardship cases.
Researchers found that those who do follow politicians display clear political biases and engage in a highly selective way. The study analyzed over 1.5 million Twitter users and found that conservative users are twice as likely to share in-group content as out-group content.
A national US kidney disease registry found that 60% of participants were unaware of their kidney function level, hindering clinical trial recruitment. The National Kidney Foundation Patient Network aims to address this issue through real-world data collection and patient-centered research.
A new study from Boston University's Social Development and Learning Lab reveals that children from lower socioeconomic backgrounds take bigger risks in certain situations due to their environment. The research, led by Professor Peter Blake, suggests that children are rationally choosing risk when it makes sense in their circumstances.
Researchers developed a 20 μm-thick flexible Li6.4La3Zr1.4Ta0.6O12-based solid electrolyte with high ionic conductance and thermal stability. The electrolyte showed excellent oxidation stability, superior thermal stability, and non-flammability.
Researchers documented social ties between individual chimpanzees and gorillas that persisted over years and across different contexts. The study found enhanced foraging opportunities to be a key benefit of interspecies social interactions, with apes sharing knowledge of diverse plant species.
A team at Nagoya University has created a new type of mechanochromic material, fluorenylidene-acridane (FA), which changes color in response to mechanical pressure. The material's unique properties allow it to be quantitatively analyzed, enabling the measurement of its color change and structural changes with high spatial resolution.
Researchers have identified a new marker for predicting the clinical outcome of patients with Amyotrophic Lateral Sclerosis (ALS) by analyzing brain flexibility during rest. The study found that brains with more flexible functional repertoires tend to have better clinical outcomes.
Researchers found population declines were much larger than previously thought, with Tonga's main island experiencing a decline of 70-86% after European contact. The study used aerial laser scanning data and archaeological records to estimate the pre-contact population size, which was significantly higher than previous estimates.
Researchers developed a microwire-based platform to visualize and quantify the electrochemiluminescence (ECL) layer in real-time. By varying the concentration ratio of Ru(bpy)3+ to TPrA, they observed an apparent extension of the ECL layer, revealing the significant contribution of the catalytic route to ECL intensity.
Researchers discover that oxytocin stimulates stem cells to migrate and develop into cardiomyocytes in zebrafish and human cell cultures. This could lead to the regeneration of damaged hearts after a heart attack. The study found that oxytocin also activates EpiPCs, which can replenish lost cardiomyocytes.
A Kessler Foundation study found a relationship between rate of cognitive fatigue in MS and microstructural brain changes, particularly in white matter tracts and basal ganglia. The study's findings hold promise for advancing clinical interventions for disabling fatigue.
A Newcastle University study has developed a machine learning tool that can predict the performance properties of land plant Rubisco proteins with high accuracy. This prediction will enable researchers to identify and engineer 'supercharged' Rubisco proteins that can increase atmospheric CO2 uptake and store in crops such as wheat.
Researchers found that using combined oral contraceptives (COCs) during adolescence may actually be associated with developing less severe breast enlargement. COCs did not seem to affect the severity of breast enlargement, and there was no significant difference in the rate of breast regrowth between patients who used or didn't use COC...
A Rutgers study found that racial and ethnic minorities with dementia receive more intensive end-of-life care. This disparity may be attributed to systemic racism, discrimination, or poor physician communication. The researchers suggest improving end-of-life care and outcomes for people with dementia through initiatives like advance ca...
Scientists from NTU Singapore have discovered that telomeres are stacked in columns like a spring, leaving DNA exposed to damage. This finding could improve understanding of how humans age and develop cancer, with potential treatments for diseases caused by dysfunctional telomeres.
A team of researchers at Harvard University has developed an ionic circuit that performs analog matrix multiplication, a key operation in neural networks, using ions in liquid. The breakthrough uses a pH-gated ionic transistor and expands to a 16x16 array for more complex computations.
Researchers at UCLA's Jonsson Comprehensive Cancer Center have developed a novel, cost-effective approach to detect cancer at its early stages using cell-free DNA in blood samples. Their method, cfMethyl-seq, has shown high accuracy and potential for accurate early diagnosis of certain cancers from a single blood test.
A new study reveals that powerful hierarchical situations can make it easier to commit harmful actions, as agency and empathy are split across multiple individuals. Commanders and intermediaries show reduced activation in empathic brain regions when pain is inflicted on the victim compared to people who can decide and act for themselves.
The University of Tennessee Institute of Agriculture has received a $750,000 grant to study native warm-season perennial grasses for organic livestock feed production. Researchers aim to improve soil health and agronomic practices in the southeastern US by integrating warm-season grasses into tall fescue systems.
A recent study found that among US patients with cancer during the first 10 months of the COVID-19 pandemic, 16,561 deaths were attributed to cancer or COVID-19 complications. The majority of these deaths occurred in older adults and minority groups, highlighting a concerning disparity in healthcare outcomes.
A new non-invasive blood glucose monitoring process was developed by researchers at Kennesaw State University, which can accurately measure blood glucose levels without taking a sample. The GlucoCheck process uses light and camera technology to capture images of the skin and determine blood glucose concentration with 90% accuracy.
Researchers found that softer nozzle materials produce more stable jets across a wide range of flow rates, enabling users to control the breakup length and hit targets more accurately. This is achieved through the use of passively-deforming nozzles, which can deform as liquids pass through them.
The SATEX project aims to investigate the feasibility of scientific missions with nanosatellites in extraterrestrial space, focusing on technical possibilities and user needs. The research will prioritize activities and develop concrete proposals for possible national missions.
A team of researchers at UNSW Sydney has broken new ground by proving that 'spin qubits' can hold information for up to two milliseconds, a significant improvement over previous benchmarks. By extending the coherence time, they enable more efficient quantum operations and better maintain information during calculations.
A Brazilian study of 26,616 tree falls in São Paulo found that building height and neighborhood age are key factors influencing the risk of tree failure. Sidewalk width and tree height were also found to be significant variables. The research provides valuable insights for urban planning and tree management in the city.
A new study found that toddlers who spent less than 60 minutes on screens per day and engaged in daily physical activity had better executive function skills. This includes abilities such as inhibitory control, working memory, and cognitive flexibility.
Researchers using JWST's First Deep Field image identified the most distant globular clusters, potentially relics of the first and oldest stars. These discoveries provide a detailed look at the earliest phase of star formation, confirming JWST's power in uncovering the universe's origins.
New research models the value of clean hydrogen in decarbonizing heavy industries and transportation in China. A widespread application of clean hydrogen in HTA sectors can save $1.72 trillion in investment costs and avoid a 0.13% loss in aggregate GDP.
A new drug, NMT5, has shown promising results in blocking SARS-CoV-2 infection in animals. The drug coats the virus with chemicals that temporarily alter the human ACE2 receptor, preventing it from infecting cells. In cell culture experiments, the Omicron variant of SARS-CoV-2 was prevented from attaching to human ACE2 receptors by 95%.
A new study emphasizes the need for a collective approach to build digital resilience in children, involving home environments, schools, policymakers, and internet corporations. The findings highlight the importance of considering contextual factors such as family support in promoting tailored approaches.
A study by RCSI University of Medicine and Health Sciences found that babies with lower birth weights are more likely to experience mental health problems in childhood and adolescence. The research used data from the Growing Up in Ireland study, following the same children repeatedly throughout their childhood and adolescence.
A new study by Genevieve Plant and colleagues found that natural gas flaring is only 91% effective in consuming methane emissions, resulting in significantly lower emission reductions. This means that removing oil and gas operations would be equivalent to taking 2.9 million cars off the road annually.
A new study suggests that pretending to be a successful female scientist can increase young girls' persistence in science. Four- to seven-year-old girls who assumed the role of Marie Curie or another gender-matched scientist played longer and rated themselves higher than those in control groups.
Researchers found pre-existing differences in gut bacteria between people with and without HIV, including decreased Bacteroides species and increased Megasphaera elsdenii. These changes were present even before infection occurred, suggesting a potential link between gut microbiome and HIV susceptibility.
Neuronal silencing periods enable efficient temporal sequence identification, allowing the brain to remember phone numbers and PINs. A new AI mechanism utilizing this mechanism also protects against stolen cards by recognizing personal handwriting style and timing.
A Harvard T.H. Chan School of Public Health study found that hundreds of hospitals on the Atlantic and Gulf Coasts are at risk of flooding from Category 1-4 storms, with sea level rise expected to increase this risk by 22% this century. The study highlights the need for coastal hospitals to prepare for greater risks in the future.
A team of researchers has found new evidence for the presence of liquid water beneath Mars' south polar ice cap using spacecraft laser-altimeter measurements and computer model predictions. The findings agree with earlier radar data interpretations and provide independent confirmation of the existence of subglacial liquid water.
Researchers developed a universal screening tool for IPF that can alert primary care physicians to its possible presence, enabling earlier diagnosis and treatment. The Zero-burden Co-Morbidity Risk Score for IPF (ZCoR-IPF) algorithm uses existing patient records to identify patients at risk of developing the disease.
A team of researchers, led by Prof. Ehud Pines, has confirmed his theory that a proton moves through water in trains of three water molecules, contradicting the long-held Grotthuss Mechanism. This breakthrough resolves one of the holy grails of physical chemistry after 17 years of research.
Researchers compare Monte Carlo simulations and Loevinger formula for beta radiation dosimetry in cancer treatment, finding the latter to be a quick yet accurate method. The study suggests using the Loevinger formula as a basis for dosimetry software in simple geometries.
The share of female managers in finance has increased significantly in Finland, but their earnings remain lower than those of male managers. Occupational segregation and differences in educational backgrounds contribute to this disparity. Despite the industry's high wage premium, women are underrepresented in higher-paying roles.
A new study developed a synthetic biology strategy for delivering siRNAs through small extracellular vesicles, alleviating intestinal inflammation and exerting synergistic effects against ulcerative colitis. The approach offers an attractive option for combination therapy and holds promise for treating autoimmune diseases.
A new CAR NK cell engineering approach requires two signals to eliminate target cells, improving tumor specificity and enhancing anti-tumor activity. This strategy mitigates NK cell exhaustion and fratricide, leading to better focus on and attack of only the tumor cells.
A study published in Science reveals that tumor cells with a specific mutation release a chemical metabolite that weakens nearby immune cells, rendering them less capable of killing cancer cells. The findings highlight the critical role of the tumor microenvironment in cancer growth and provide insights into developing targeted therapi...
Scientists at Shinshu University created an ultrathin fiber-mesh thermistor that improves the performance of wearable medical sensors. The new technology provides overheat protection, gas-permeability, and transparency, making it suitable for on-skin or implantable devices.
Alzheimer's researchers highlight the need for more diverse participation in clinical trials, citing underrepresentation of African Americans and Latinos. They offer solutions to improve recruitment, including culturally sensitive cognitive tests and partnerships with community organizations.
Researchers identified a specific gut bacterium responsible for antibiotic-induced GVHD after stem cell transplants. A sugar supplement was found to improve gut health by distracting the bacteria from attacking mucin in the intestinal lining, reducing complications such as GVHD.