The Atrax sounding rocket test has provided significant reentry vibration data that will help improve modeling and simulation tools for the W93 warhead. This data will enable scientists and engineers to design nonnuclear components more precisely, reducing risk and improving the overall survivability of the system.
Scientists have identified a microbiome signaling system that controls intestinal movement, revealing a potential new direction for treating constipation-predominant irritable bowel syndrome. The discovery points to restoring combinations of microbial signals to restore normal function.
Higher TMAO concentrations were associated with older age, cardiometabolic risk factors, and brain atrophy, but not cognitive performance. The study suggests TMAO may be a marker of systemic aging processes rather than a direct mediator of neurodegeneration.
Researchers investigate how consumers incorporate dollar stores into their household food purchases and explore health concerns surrounding the proliferation of dollar stores. The study aims to develop educational resources and tools to help consumers stretch their food budget and maintain a nutritious diet utilizing dollar stores.
A new AI method called neural posterior estimation (NPE) uses genetic sequences to analyze the evolution of infectious diseases. This allows for real-time management of epidemics and epizootics, with the ability to add new data at any time.
Researchers aim to identify biological differences among patients to guide treatment with precision therapeutics and computational approaches. The goal is to improve treatment outcomes for schizophrenia, a condition that affects perception of reality.
Researchers have discovered an epigenetic mechanism that allows a rare tree species to track its age and trigger flowering. The study found that a decline in DNA methylation levels directly activates reproductive genes, enabling the tree to transition from vegetative growth to flowering.
The Workshop on Public Health Policy, Risk Perception, and Infectious Disease successfully bridged the gap between epidemiological modeling and policy implementation for infectious diseases. Participants discussed practical challenges and mutual benefits of using models to support public health decision-making.
A new study examining 39,761 students in Ontario school boards found that 1 in 5 students used AI for emotional needs, with those who did being more likely to struggle with serious emotional problems and feel isolated. The study urges parents, educators, and clinicians to pay attention to why young people turn to chatbots.
A new kinetic model reconciles field observations and laboratory experiments, showing that temperature dependence and multiphase kinetics resolve observed growth rates. The model considers reactivity, diffusivity, and concentration gradients of chemical species across gas and condensed phases.
Dr. Emily Flanagan's five-year NIH grant will investigate how energy intake and expenditure influence infant growth and future obesity risk. The study aims to improve energy-intake standards for infants and identify critical periods for interventions promoting healthy growth.
Researchers found lead levels were 7 times higher near airports compared to other areas of Portland, with aviation fuel as the dominant source. The study highlights the need for soil testing to address lead exposure risks for children.
A recent study from the Dog Aging Project found that dogs with five or more chronic diseases were more than twice as likely to die as dogs living with only one diagnosed condition. Chronic diseases can dramatically shorten a dog's lifespan, highlighting the importance of managing multiple diseases together rather than individually.
The American Academy of Neurology has launched BrainHealth.com, a public resource providing expert-reviewed information, tools, and stories to improve brain health. The website offers trustworthy guidance, practical resources, and personal stories to help people navigate brain health with confidence.
A new study from the University of California San Diego reveals that the brain tracks subtle variations in breathing to decode neural activity patterns. Researchers found a precise connection between breathing patterns and brain activity, offering new avenues for understanding disorders like SUDEP and SIDS.
Research reveals individual breaths at rest create unique brain wave patterns, affecting mental processes such as thinking, attention, and emotional regulation. The study suggests that brain-body interactions are crucial for assessing and treating neuropsychiatric patient populations.
Researchers developed tools to compare tumor microenvironments and predict treatment response by analyzing spatial transcriptomic data. The new tools provide a detailed map of tumor cell organization, enabling clinicians to quickly analyze and compare tumor 'floor plans' and determine the best course of treatment.
Researchers propose framework for closed-loop haptic interaction in VR/AR, linking tactile sensing, intelligent processing, and physical feedback. The review identifies flexible electronic skins and four research priorities to close the haptic interaction gap.
Researchers developed a compact built-in prompt gamma-ray neutron activation analysis (PGNAA) system to measure uranium loading and ionic contaminants in hydrometallurgy processes. The system provides on-site trends to support decisions on resin switching and elution timing.
Researchers have discovered a mechanism that could help develop disease-resistant plant varieties with high yield potential. Steroid hormones regulate a molecular switch controlling the immune response, allowing plants to prioritize growth over defense against pathogens.
A study by Aalto University reveals pro-Russian hackers are using 'gamified' DDoS attacks to undermine public trust in governments and institutions, with cryptocurrency-based rewards for successful attacks. The researchers urge companies and governments to counteract the effects of propaganda and psychological intimidation.
A team of researchers has discovered four sets of dual 'Little Red Dots' (LRDs) in the early universe, indicating a possible link between galaxy mergers and rapidly growing black holes. The findings suggest that black hole mergers could be responsible for the rapid growth of black holes in the early universe.
A recent study found that TYW5 gene dysregulation is associated with circadian disruption and schizophrenia, affecting locomotor rhythms and prefrontal synaptic ultrastructure. Altering TYW5 expression levels in mice led to changes in behavior, including increased locomotor activity and anxiety-like behavior.
PTHrP inhibits BMP2-induced osteochondral differentiation by inactivating the PI3K–AKT signaling pathway, preserving cartilage phenotype and promoting chondrogenesis. This finding suggests PTHrP's potential application in BMP2-based cartilage tissue engineering.
Researchers propose that wave function phase is the source of randomness in quantum mechanics, potentially leading to new AI advancements. This idea contradicts current understanding and warrants experimental verification.
A recent study published in Cell Death & Differentiation highlights the role of endoplasmic reticulum stress proteins in osteoarthritis, revealing their contribution to inflammation and tissue remodeling. The research identifies a promising protein, PDIA4, which may serve as a therapeutic target for limiting disease progression.
The EU-funded projects SpongeBoost, SpongeScapes, and SpongeWorks have published a joint policy brief recommending aligning EU policies to scale up sponge restoration across Europe. The policy brief highlights the importance of restoring the natural sponge function of landscapes to strengthen water and climate resilience.
Research reveals that the visual systems of mice and monkeys follow the same efficient coding principle, but process different sensory inputs. This principle explains why mice have stronger responses to movement due to their coarse patch-based vision.
Pharmaceutical contamination in soil and air has severe ecological impacts, affecting animal, plant, and microbial communities. The review highlights the need for interdisciplinary research to understand the dynamics of pharmaceuticals in soil and their long-term implications for ecosystem health.
The journal aims to pioneer a holistic understanding of disease as a dynamic ecosystem, integrating study of micro-environment, microbiota, metabolite, nervous system, and pathophysiology. Pathology Research covers a broad spectrum of pathology-related disciplines, including surgical and molecular pathology, artificial intelligence in ...
Researchers have found that Astragalus polysaccharide protects against ischemic stroke by modulating the gut-brain axis, a two-way communication network between gut microbes and the brain. The compound also reduces inflammation and preserves neurons, suggesting a new route for treating the world's leading cause of long-term disability.
Researchers at Kumamoto University have created a mobile drug delivery platform using polyrotaxanes to simplify targeting the liver. The platform achieves cellular uptake efficiency comparable to conventional systems, while reducing manufacturing complexity.
Researchers at PolyU have engineered a novel tunnelling field-effect transistor using 2D nanomaterials, breaking through the 60 mV decade’ boundary to create ultra-low-power, high-performance ICs essential for emerging AI chips. The breakthrough paves the way for energy-efficient computing and next-generation AI chips.
Cobalt-based electrocatalysts have shown high efficiency in reducing nitrate to ammonia, with some achieving 100% Faradaic efficiency. Researchers have discovered alloying cobalt with other metals and engineering crystal structures can fine-tune the reaction pathway to favor ammonia production.
Researchers discovered a natural compound, hederagenin, that slows kidney aging in diabetes by reversing epigenetic silencing of the anti-aging gene Klotho. Hederagenin reduces Klotho promoter methylation, restoring Klotho protein levels and curbing cellular senescence.
Research reveals that snake embryos coil in a right-handed spiral due to the detachment of the slow-growing gut, which tethers the lengthening body. This coiling force directs the embryo to grow to the opposite side of the yolk, resulting in half of near-hatching embryos being right-handed and the other half left-handed.
A study published in Advanced Materials Interfaces reveals that proteins with exposed arginine residues selectively accumulate on protein-resistant coatings, compromising biocompatibility of medical devices. Researchers developed a new design guideline for predicting and controlling protein corona formation at the molecular level.
Specific plastid ion channels enable rapid calcium signal transmission to chloroplasts, strengthening plant defense response to recurring stress. Calcium waves relay information about attacks, triggering jasmonic acid synthesis and defense gene expression.
Despite declining confidence in CDC, FDA, and NIH, Americans' confidence in their own healthcare providers remains high. A recent survey found that 87% of respondents trust their doctor or nurse to provide trustworthy information about public health, while confidence in these agencies has declined to 59-64%.
A Southwest Research Institute study of Solar Orbiter data provides the most detailed view of the heliospheric current sheet, revealing a clear change in ion composition tied to magnetic polarity flips. The findings offer new insights into the origin and composition of the solar wind.
Scientists at MUSC Hollings Cancer Center discovered a protein called lysyl oxidase that helps triple-negative breast cancer cells survive. Blocking LOX creates a weakness, which can be exploited with a second drug to block tumor growth without chemotherapy.
A new species of spider, Hexura vandal, has been discovered in Idaho's Rocky Mountains, expanding the known range of the genus by 500 kilometers. The species is a predator that attacks and is considered likely endangered due to habitat pressure from logging and wildfires.
Researchers found that a Western-style diet exacerbated male infertility in mice with genetic mutations, leading to lower fertility and poorer sperm quality. The study suggests that lifestyle factors contribute to the severity of infertility in men with underlying genetic susceptibility, providing new insights into personalized fertili...
A cross-sectional study suggests that seeking emotional support from generative AI is a unique marker of psychological distress in children and adolescents. Clinical frameworks and digital literacy programs should distinguish between functional AI assistance and algorithmic interfaces as a digital refuge for emotional needs.
A crossover randomized clinical trial found that cannabis edibles impaired simulated driving performance at blood THC concentrations below per se thresholds. The study's findings suggest that even low doses of THC can have significant effects on driving ability.
Researchers analyzed 8.1 million emergency department visits to identify the most at-risk patients during heat waves, offering a near-real-time opportunity to implement protective measures. The study suggests that delays in identifying those most at-risk are no longer necessary, and timely evidence is increasingly essential for effecti...
Six UK universities have renewed their unlimited OA publishing agreement with JMIR Publications, allowing corresponding authors to publish APC-free in all JMIR journals. This sustainable model establishes a more predictable and equitable publishing environment.
Left atrial appendage closure during open-heart surgery is recommended for high-risk patients undergoing cardiac surgery to reduce stroke risk. The LAACS-2 trial found closure provided a 56% reduction in stroke risk for those at high risk, but no significant benefit for those at lower risk.
Researchers developed a computational model to study aging in 40 types of human tissue, identifying three major aging patterns and underlying molecular changes. Tissues show bimodal structural aging, with accelerated aging from 35-40 and 55-60, coinciding with fertility decline and menopause.
A new AI framework, AdvWT, uses realistic fading, cracks, and corrosion to test vulnerabilities in AI vision systems. It achieves near-perfect attack success rates on lightweight CNNs and transformer-based models, and can also be used to restore naturally damaged traffic signs.
Researchers at UC San Diego will develop optimized red blood cells to temporarily boost human performance and health through enhanced oxygen delivery. The project has the potential to improve athletic performance and treat conditions involving oxygen delivery to tissues.
A large randomized trial and meta-analysis found that immediate coronary angiography does not improve 30-day survival in patients with out-of-hospital cardiac arrest without ECG ST-elevation. The findings support current guideline recommendations against routine immediate coronary angiography in these patients.
A new study found that community first responders did not improve short-term survival after cardiac arrest, but did increase bystander CPR and defibrillation rates. The study's findings suggest that the effect of first responders on survival is highly dependent on the time available for intervention.
A new study has shown that catheter-directed thrombolysis significantly reduces primary clinical outcomes in patients with pulmonary embolism, including a lower rate of cardiorespiratory decompensation or collapse. The treatment improved short-term clinical outcomes compared to standard anticoagulation therapy alone.
FAU will investigate how undergraduate STEM education can better connect scientific discovery with workforce preparation, leveraging industry partnerships and research infrastructure. The project aims to strengthen students' technical and professional skills, scientific problem-solving, and career confidence.
Researchers found that Americans tend to support religious exemption requests from those who share their political views, but are skeptical of requests from those who hold opposing views. This study highlights the potential for ideological biases to influence perceptions of religious freedom protections.
Researchers at Binghamton University found that memory shifts as we age, with declines in accuracy from the 20- to 30-year-old age group to people in their 50s. Hippocampal processes start to decline by midlife, making middle age a transition point for memory formation.
Two imaging techniques, optical coherence tomography (OCT) and intravascular ultrasound (IVUS), were compared in patients with true distal left main bifurcation lesions. OCT was found to be noninferior to IVUS in guiding stenting, suggesting it may be an alternative option.
The CorCal Outcomes trial found no difference in major cardiovascular events when statin initiation was based on coronary artery calcium compared to traditional risk factor assessment. Patients recommended statins based on CAC scores were more adherent with their medication.
The EVAOLD trial suggests that routine invasive treatment is more effective than a selective approach in older patients with NSTEMI, a common type of heart attack. The trial found that the selective approach did not demonstrate noninferiority to routine invasive treatment for major cardiovascular events.