A new hybrid Gravitational Search-Simulated Annealing algorithm optimizes helicopter main transmission systems, reducing vibration and achieving global optimal solutions. The approach balances multiple load cases, subjective and objective evaluation, and solving speed, showing promise for revolutionizing helicopter design.
Researchers developed models to quantify the risk of catastrophic blackouts during hurricanes and forecast climate impacts on energy systems. Their work aims to inform grid upgrades and navigate clean energy targets while maintaining reliability.
International Journal of Extreme Manufacturing (IJEM) achieves a new Impact Factor of 21.3, surpassing 20 for the first time and maintaining its position as top journal in the field. IJEM has attracted submissions from 853 institutions in 81 countries.
A study employed CFD simulations and AHP-TOPSIS multi-criteria decision analysis to optimize the aeration system in deep bed dryers. The results showed that the
Mount Sinai Health System will participate at the 2025 Aspen Ideas: Health festival, discussing emerging science of aging and inflammation, and harnessing AI for healthcare innovation. The system will also provide complimentary dermatologic screenings for attendees.
A new study reveals that lagerpetids, relatives of pterosaurs, were able to tolerate a wide range of climate conditions and distributed widely across the globe. In contrast, pterosaurs initially required more humid tropical conditions to fly.
Researchers found a significant association between the big hike in California's tobacco tax and an increase in smoking cessation over the next three years. The study also reported differences in state tobacco spending and daily smoking rates.
Researchers found that humans increased their ability to exploit different habitat types in Africa around 70,000 years ago, paving the way for a successful dispersal into Eurasia. This ecological flexibility allowed human groups to adapt to challenging climates and overcome geographic barriers.
Deepshika Ramanan, a Salk Assistant Professor, has been recognized as a Rita Allen Foundation Scholar for her innovative research on maternal immunity and lactation. She will receive annual grants of up to $110,000 to conduct groundbreaking work in neuroscience, cancer, immunology, and pain.
Researchers from Northumbria University found that smokers have tell-tale signs of their smoking habits ingrained deep within their teeth. The study revealed evidence of smoking damage in 70% of ex-smokers and 33% of current smokers, compared to just 3% of non-smokers.
Researchers propose integrated solution combining ultrasonic vibration-assisted grinding, heat pipe grinding wheels, and minimum quantity lubrication to achieve high-efficiency precision machining with environmental sustainability. This process reduces grinding forces, minimizes thermal damage, and improves surface quality.
A brain age gap refers to the difference between predicted age and actual chronological age. The study found that higher cognitive impairment risk factor scores were consistently associated with poorer cognitive performance, especially in areas like executive function and language. Researchers developed a brain age prediction model to ...
A research team at Nanjing University of Chinese Medicine discovered that plant-derived extracellular vesicles can deliver miRNAs across kingdoms to treat psoriasis. The researchers isolated perilla leaf-derived extracellular vesicle-like particles, which demonstrated potent antioxidant and anti-inflammatory activity.
Boston College researchers create MapID-tRNA-seq, a method to map chemical modifications and expression of human transfer RNA. The study reveals that tRNA expressions are largely dysregulated in cancerous cells compared to benign cells.
A new study found that gut microbiome composition is associated with cognitive impairment in adults, and that food insecurity may jointly influence brain function. Adults with lower microbial diversity and specific imbalances in gut bacteria were more likely to experience cognitive impairment.
Water erosion models in China have been dominated by empirical approaches, but these lack reliable validation and are limited to specific regions. Research has identified challenges, including a verification gap and regional limitation, which hinder accurate predictions and optimization.
Researchers at Uppsala University have created a model of human nerve tissue using 3D printing, enabling the testing of new drug treatments in a lab environment. This innovation allows for more precise medicine and could potentially lead to improved treatment options for ALS patients.
Nancy A. Speck has been recognized for her groundbreaking research on hematopoiesis and leukemogenesis, with a focus on the transcription factor complex core binding factor. Her work has provided critical knowledge to understand how certain blood cancers develop, leading to significant insights in embryonic blood cell formation.
A new study from the University of Notre Dame finds that returnless returns can increase brand support by up to 25%. The strategy involves allowing customers to keep returned items and receive a refund, rather than processing returns. This approach fosters goodwill and customer loyalty.
A cohort study found that CT angiography was associated with modest improvements in healthier lifestyle behaviors, acceptance of recommended preventive therapy, and risk factor modification. The study suggests that this strategy may reduce coronary events, but further research is needed to confirm the findings.
A recent study demonstrates a transformative approach to enhance sodium-ion battery performance by incorporating lithium salt into the electrolyte. The formation of a robust SEI layer and stabilization of the O3-type cathode surface significantly improve cycleability and capacity retention.
A large-scale study identified early indicators of frailty decline in older adults, including health deficits such as sleep disturbances and muscle weakness. Early intervention programs addressing these modifiable health issues can contribute to disease control and slow frailty progression.
A new study by the University of Missouri researchers demonstrates that hope is a powerful emotional force that gives life meaning. The team found that only hope consistently predicted a stronger sense of meaning, which is linked to various positive outcomes, including happiness, quality relationships, and better physical health.
Physicians from Ruhr-University Bochum used CAR T-cell therapy to treat two patients with chronic inflammatory demyelinating polyneuropathy (CIDP), a rare autoimmune disease causing paralysis and loss of sensation. The treatment showed rapid and long-lasting effects, with significant improvements in symptoms and functional abilities.
A research team developed AI technology that analyzes individual personality traits and values to generate personalized analogies, allowing people to understand others' feelings through familiar experiences. This approach significantly improved emotional understanding and empathy in participants compared to traditional methods.
A new study by Carnegie Mellon University finds that foreign multinational firms shift a modest amount of income out of the US for tax reasons. This income shifting supports a modest amount of employment and investment in the US, with results informing the potential effects of upcoming tax bills.
A study published in Chinese Journal of Aeronautics reveals that DSJ combines the stability of steady jets and efficiency of pulsed jets, providing better control effects under similar momentum coefficients. The unique quasi-steady characteristics of DSJ avoid large fluctuations in real-time aerodynamics.
Researchers confirm human presence in the Americas between 23,000 and 21,000 years ago with a new study that uses ancient mud to date footprints. The findings contradict previous understanding of the peopling of North America and have sparked a reevaluation of archaeological theories.
Researchers have developed a technique to observe phonon dynamics in nanoparticle self-assemblies, enabling the creation of reconfigurable metamaterials with desired mechanical properties. This advance has wide-ranging applications in fields such as robotics, mechanical engineering, and information technology.
A new study published in the Journal of the American Heart Association found that residents in U.S. coastal counties near ocean waters with high concentrations of microplastics are at higher risk for Type 2 diabetes, coronary artery disease, and stroke. The study analyzed data from 152 counties and found a significant association betwe...
Nearly half of Mesoamerica's 4,000+ tree species are at risk of extinction, primarily driven by agriculture and logging. Conservation efforts are urgently needed to protect these species.
Researchers are exploring potassium channel blockers to reduce seizures caused by genetic mutations in the KCNT1 gene. The treatment holds promise for reducing life expectancy and improving symptoms, with potential clinical trials starting as early as 2026.
A CIC bioGUNE study reveals that integrating genetic, metabolomic, and lipoproteomic data can identify stable risk profiles in seemingly healthy individuals. The research identified four distinct biomolecular profiles, including one linked to an increased risk of cardiovascular disease.
A study from the University of Edinburgh found that young children with difficulty managing intense emotions are more likely to experience mental health issues like depression and anxiety as teenagers. The research suggests that helping children develop emotion regulation skills early on could reduce these issues in adolescence.
Research from Chalmers University of Technology found that one type of electric vehicle's warning signal is hard for humans to locate at low speeds, even with background noise. The signal was designed for acoustical standards, but its detectability was tested in a real-world setting.
Research from Stanford University estimates that climate change will reduce global crop yields by 24% by 2100, even after accounting for economic development and adaptation by farmers. The study finds that regions in the US, Canada, China, and Russia will be among the hardest hit, while others may benefit.
Researchers discovered dynamic cells coordinate movements to sculpt living tissue in developing fruit flies, highlighting a powerful role of migrating cells in organ formation. This finding suggests similar systems may shape different organs, including the brain and testis.
A team of researchers at Kyoto University has identified four species of snail parasites in Japanese sea cucumbers, including two previously unknown species. The study provides insights into the geographic distribution and invasion routes of these tiny parasites, which have a significant impact on the health of their host species.
Researchers propose machine learning for efficient and eco-friendly weed control in farmland, enabling precision strikes and reducing environmental burdens. By analyzing vast amounts of agricultural data, algorithms can differentiate between crops and weeds, predict weed growth trends, and optimize weeding strategies.
Researchers created patterns on plastic surfaces that trap bacteria, preventing biofilm formation and making it easier for the host's immune system to clear infecting cells. This breakthrough could help reduce healthcare-associated infections linked to medical devices.
A new study reveals that large language models exhibit 'position bias', favoring information at the beginning and end of documents or conversations. Researchers identified design choices and training data as contributing factors to this phenomenon, which can be mitigated through adjustments in model architecture and fine-tuning.
Researchers used nonsense words to test ChatGPT's language processing capabilities, finding it excelled at discovering relationships and providing definitions for extinct words. However, the AI also generated incorrect or made-up answers in some cases, highlighting its limitations.
A study of 23 European mountain regions identifies climate change and population loss as major threats to these areas' biodiversity and value chains. Local agents proposed over 160 adaptation mechanisms to mitigate the impact, which could reduce vulnerability by up to 50%.
The European Research Council has awarded ERC Advanced grants to Inga Kamp, Wouter Roos, and Syuzanna Harutyunyan from the University of Groningen for their innovative research projects. Kamp's project focuses on deciphering rocky planet building blocks using the James Webb Space Telescope, while Roos investigates RNA-containing viruse...
The Dyson-Harrop CubeSat system harnesses high-density energy from the solar wind and offers a compact, modular solution for space-based clean energy. It generates approximately 1 kilowatt of power, more than ten times greater than similarly sized conventional solar panels.
The CASHeart database integrates large-scale datasets to reveal cell type heterogeneity and therapeutic targets in the human heart. It improves clustering accuracy and batch effect correction, supporting multi-level analyses of differential chromatin accessibility and gene activation.
A new study on ancient dog DNA shows that dogs slowly spread southward alongside early farming societies in the Americas. The research found that all pre-contact dogs in Central and South America descended from a single maternal lineage.
A recent paper by SwRI-led researchers summarizes the scientific community's notable progress in advancing the understanding of the formation and evolution of the inner rocky planets. The study focuses on late accretion's role in controlling the long-term evolution of these planets, with implications for their habitability.
Scientists have identified four biomarkers in ear wax that may indicate Parkinson's disease, and an AI-based screening model can detect them with 94% accuracy. This technology could pave the way for earlier diagnosis and improved patient care.
A two-part delivery strategy combining adjuvants improves antibody responses and follicular buildup of HIV protein in mouse model, offering new hope for effective HIV vaccine. The dual-adjuvant approach yields stronger and more potent immune responses than individual adjuvants alone.
A recent study across 3,058 populations reveals that 24% of Wadden Sea species are declining significantly, while only 14% are increasing. The declines affect native species and those at the base of the food web, highlighting a potential warning signal of local extinction.
The GVHD Alliance has expanded into Europe under the leadership of the European Society for Blood and Marrow Transplantation (EBMT). This move aims to foster collaboration among healthcare professionals, patient advocacy groups, researchers, and policy leaders to improve care and access for patients living with Graft-versus-Host Diseas...
A new systematic review reveals a significant connection between the gut microbiome and brain function in bipolar patients, affecting treatment responses. Patients who responded to treatment had distinct gut microbiome profiles similar to healthy individuals.
A new consensus statement emphasizes the need for increased chemosensory testing to address growing concerns about smell and taste dysfunction. The statement highlights seven broad challenges and opportunities to implement universal chemosensory testing, including developing methods for reimbursement and standardizing data collection.
The Supreme Court's decision increases the likelihood of states limiting or eliminating family access to medical care. Medical professionals emphasize the need for individualized assessments and patient-centered care.
Two key proteins, Oxr1 and Ncoa7, regulate V-ATPase to maintain optimal luminal pH for glycosylation within the Golgi apparatus and trans-Golgi network. This discovery provides new insight into congenital disorders of glycosylation and their cellular mechanisms.
A research article proposes a systematic framework for engineering cell state-responsive synthetic promoters to study T cell exhaustion. The SPECIFIC framework identifies conserved transcription factor binding motifs associated with exhaustion and enables the construction of gene circuits sensing and responding to T cell dysfunction.
A new database, the Israeli Face Database (IFD), presents face images of real individuals from an ethnically diverse population in Israel. The IFD features multiple highly controlled images per face identity and provides detailed demographic data, addressing a lacuna in the field by including non-Western populations.
Researchers identified nearly 500 switch-like genes, which express at high or low levels, and linked them to various ailments like vaginal atrophy and COVID-19. The study suggests that hormones and genetic variation drive this 'switch-like' behavior.
Utah State University evolutionary biologist Zachariah Gompert has received a $1.85 million NIH grant to explore chromosomal rearrangements that may drive rapid evolutionary changes. He will study these arrangements in stick insects, butterflies, and seed beetles using genomics research and computational data analysis.