A study found that men aged 65+ who survived an ischemic stroke are 3x more likely to be placed in a nursing home within 5 years if they lack a caregiver. The lack of caregivers puts older adults at risk of losing independent living.
Researchers discovered that Zika virus is transmitted from mother to fetus by infected microglia cells, which later develop into the brain's defense system. The finding suggests a potential therapeutic target for reducing Zika transmission and offers hope for preventing devastating neurological damage.
A Florida State University researcher challenges the idea that modern civilization reduces violence by arguing it may actually increase the likelihood of surviving a war. Studies on chimpanzees and human societies show that larger populations lead to more deaths in conflicts.
A study by the Cluster of Excellence found that European Muslims have a more positive view of the EU compared to other groups. This is largely due to their satisfaction with living conditions and higher political interest. The study also highlights the importance of successful integration in maintaining trust in EU institutions.
The American Association for the Advancement of Science (AAAS) has launched SciLine, a new service connecting reporters with credible scientists to provide evidence-based information on news-worthy topics. This initiative aims to advance quality reporting on science and technology issues, building trust between news outlets and audiences.
Researchers found that blood flow sends signals for heart 'cushion' cells to become fully formed valves through KLF2-Wnt signaling. This discovery supports an epigenetic explanation for common congenital valve defects.
Multiple sclerosis is believed to be a single disease with varied symptoms due to the same underlying biological mechanism: immune system attack on nerve cells. Computational simulations support this hypothesis by reproducing the variability of disease courses seen in patients.
Researchers from four top teams receive funding to tackle cancers of the lung and pancreas using a new 'interception' approach, targeting precancerous cells before they turn into cancer cells. The initiative aims to catch cancers early, when treatment is more successful.
Margaret C. Crofoot receives a prestigious Alexander von Humboldt Professorship worth five million euros to further Collective Behaviour research at the University of Konstanz. The professorship aims to create a cutting-edge international research facility, bringing together experts from various fields.
The James Webb Space Telescope aligns its primary mirror segments through wavefront sensing and control, measuring imperfections with a near-infrared camera instrument. Engineers use computer algorithms to determine the mirror's shape and movement, resulting in sharp, focused images.
Parthenogenesis is favorable for appearance and further existence of groups when population density is low, allowing rapid reproduction. Phytophagous insects reproducing by thelytoky can cause significant harm to agriculture and forestry.
A study published in The Lancet found that moving heart surgery to the afternoon can reduce the risk of heart damage and major cardiac events. Afternoon surgery was associated with a 50% lower risk of major cardiac events compared to morning surgery, suggesting that synchronization with the body's circadian clock may improve outcomes.
Jennifer Fuller, a UTA alumna and Arlington teacher, has been awarded the Milken Educator Award for her efforts to further excellence in education. Her innovative teaching methods have resulted in high student achievement growth, earning her classes the highest end-of-course exam scores in the district for two consecutive years.
A study of 20 patients under 60 found substantial long-term improvement after 'reverse' shoulder replacement for massive, irreparable rotator cuff tears. Despite a high complication rate, most patients reported excellent or good satisfaction levels with improved shoulder function and pain management.
A study of Chilean adults aged 65 and older found that maintaining ideal cardiovascular health behaviors, such as regular physical activity, a healthy diet, and not smoking, can reduce the risk of disability. The researchers also discovered that having an ideal body mass index (BMI) can lower disability risk, particularly for those wit...
A study from UC Davis Health found that peer-led interventions can significantly reduce tobacco use among youth and young adults, with a 12.5% quit rate at six months. The most effective tools were informational conversations and 'quit kits' of behavior-replacement activities.
Researchers have created a proof of concept for MOSFETs using the deep depletion regime in bulk-boron-doped diamond, increasing hole channel carrier mobility by an order of magnitude. This enables more efficient power electronics and paves the way for fully exploiting diamond's potential in MOSFET applications.
Researchers found that using violent language in politics excites one's base but polarizes others, with a 20% increase in polarization. The study suggests micro-targeting and careful language use can help reduce polarization and promote unity.
The FRAX calculator has been widely adopted globally, helping clinicians make informed decisions based on multiple scientifically validated risk factors. A recent study confirms that intervention thresholds based on fracture probabilities are highly effective in targeting high-risk individuals.
The new study reveals that the Guanches carried a mixture of genetic ancestry, with a significant proportion derived from modern North Africans and European Stone Age farmers. The findings provide conclusive evidence on the origins of the Guanches and shed light on their cultural and genetic legacy.
Researchers have developed a mechanism for detecting molecular hydrogen using green light to illuminate a nanocrystalline composite sensor based on zinc and indium oxides. This enables gas sensors operating at room temperature.
A high waist-to-hip ratio is associated with a significantly higher rate of complications, longer hospital stays, mortality, and 30-day readmissions after emergency general surgery procedures. The study suggests that measuring waist-to-hip ratio via CT scan may be a reliable predictor of adverse outcomes.
A new study by MIT researchers found that cities can reduce urban emissions primarily through better building practices, not greater housing density. Implementing energy-efficient construction standards and retrofitting existing homes can lower residential emissions by up to 19% by 2030.
Researchers created a polymer-based material with enhanced strength and elasticity by mimicking a mussel's adhesive qualities. The material, which is 770 times stiffer and 92 times tougher than its untreated precursor, offers potential applications in structural, biomedical, and aerospace materials.
Scientists have identified a new player in viral infection, revealing how certain long noncoding RNAs can aid viruses in hijacking host cells. The discovery highlights the importance of understanding host-virus interactions to develop effective antiviral strategies.
A Lithuanian professor has been awarded the Paper of the Year by The Congress of Neurological Surgeons (CNS) for his groundbreaking research on severe traumatic brain injury. The study found that longer durations of cerebrovascular autoregulation impairment events significantly correlate with worse patient outcomes.
A recent study published in the Journal of the National Cancer Institute indicates that pregnancy does not incur a greater risk of relapse for survivors of breast cancer. The study found no significant difference in breast cancer recurrence rates among pregnant and non-pregnant women with a history of ER-positive breast cancer.
The number of children admitted to intensive care has risen sharply since 2009, defying expectations of population growth or birth rate increases. The trend, driven by higher admission rates among younger children and those with breathing or cardiovascular problems, poses a significant challenge for the NHS.
Researchers reconstructed Sinosauropteryx's likely colour patterning, showing it used bandit mask-like stripes and countershading to avoid detection. This helped the small dinosaur evade larger meat-eating dinosaurs and sneak up on prey more easily.
A study published in Journal of General Physiology investigated the functional effects of specific mutations in Na/K pumps found in tumors that induce primary aldosteronism. The researchers found that impaired sodium and potassium transport is a common mechanism behind the pathology, contradicting previous 'gain-of-function' proposals.
The American Cancer Society has awarded Boston University School of Medicine with a three-year, $270,000 Institutional Research Grants program award to support early-stage cancer research by junior faculty. This funding will provide grants per year and is valued for its opportunity to establish proof-of-concept.
A study by San Diego Zoo Global found that changing diets for southern white rhinos to low phytoestrogen levels improved reproductive success. The switch resulted in two females becoming pregnant and giving birth to healthy calves.
Researchers are developing a universal influenza vaccine that would protect against all strains of flu globally. Current vaccines have varying effectiveness, with some years seeing only 10% effectiveness.
A Kyoto-Osaka team uses hiPSCs to develop biodegradable aligned nanofibers as a scaffold for culturing cardiomyocytes, forming robust and functional cardiac tissue-like constructs. These CTLCs show excellent operability leading to favorable heart function recovery in injured rat hearts.
A Norwegian study reveals that general practitioners lack cultural competency when dealing with patients from diverse backgrounds. Researchers emphasize the need for mandatory cultural training in medical education to address these gaps.
Researchers at City College of New York are exploring Sonic Hedgehog as a potential treatment for Parkinson's Disease. They have found that dopamine neurons secrete SHH, which can help reduce symptoms like dyskinesia, and are now testing Smoothened agonists in both mice and macaques.
A study by EPFL and European researchers found that past ocean temperatures may have remained relatively stable over the past 100 million years. This challenges decades of paleoclimate research and raises concerns about current levels of climate change.
A team of scientists and amateur astronomers have detected six exocomets, the smallest objects yet found outside our solar system, using transit photometry. The detection marks the first time an object as small as a comet has been identified using this technique.
Researchers at Northeastern University's Center for Complex Network Research have identified fundamental rules for how the brain controls movement in nematode worms. The study provides unprecedented detail on how individual neurons control specific types of locomotion, paving the way for future research into human brain function and ne...
Researchers at Ural Federal University found that a popular theory of gravity is flawed when applied to real-world astrophysical conditions. They propose new Horndeski models to stabilize black holes, addressing modern physics prerequisites and inconsistencies. The study aims to develop a new theory of gravity meeting all requirements.
A large genome-wide association analysis identifies novel gene-smoking interactions in lung cancer development, providing new candidate biomarkers. The study found three SNPs associated with non-small cell and squamous cell lung cancer risk, stratifying lung cancer risk by smoking behavior.
Researchers found that smell sensitivity peaks in the late evening and varies over the course of a day, influenced by internal circadian rhythms. This discovery has implications for assessing a patient's sense of smell and may affect food choices and eating behaviors among teens.
A year-long survey of Red Sea fish larvae found varying stock levels through the seasons, with higher abundance at near-shore sites during colder months. The study also identified differences in community structure, with deeper-adapted species prevalent at offshore sites.
Magdalena Osburn, a Northwestern University geobiologist, has been awarded a $875,000 Packard Fellowship to study 'microbial dark matter', or unknown microbes that have evaded cultivation in the lab. Her research will explore how these microorganisms interact with their environments and produce chemical signatures.
Researchers discovered that adult sea turtles like Eleanor can survive and even thrive during tropical storms. The study found that sea turtles like Eleanor drastically change behavior when the storm strikes, using more energy than usual but still surviving without injury.
A study by James Cook University scientists warns of serious hidden costs and risks associated with new roads in high-rainfall areas. The researchers urge limiting planned or built roads in these regions to prevent pot-holes, landslides, and environmental degradation.
Researchers at CNRS have identified a novel protein, KSRP, specific to the ribosomes of trypanosome parasites. Inhibiting its activity leads to parasite death. This discovery opens the path to developing new, safer therapies for Chagas disease and African sleeping sickness.
Researchers confirm Sinosauropteryx had striped tail and 'bandit mask', suggesting it lived in open habitats. The dinosaur's countershaded body revealed its habitat was not dense forest but rather more open terrain.
Researchers discovered that tumor cells in the fallopian tubes of women at high-risk for ovarian cancer can be detected years before they develop into the disease, providing a potential window of time for early detection and intervention. The study identified TP53 gene mutations as an early indicator of ovarian cancer development.
Researchers found impaired mitochondrial metabolism and increased glycolysis in LOAD cells, indicating failing mitochondria. The study suggests that bioenergetics changes may contribute to the risk and pathophysiology of late-onset Alzheimer's disease.
A Penn study reveals that ESRP1 gene mutations contribute to early hearing loss in humans, highlighting a critical molecular pathway involved in auditory development. The discovery opens up possibilities for new therapeutic approaches.
Researchers have identified two proteases essential for the malaria parasite's survival and dissemination, as well as a molecule capable of inhibiting them. This discovery could lead to the development of drugs blocking not only the parasite's development in humans but also its transmission to mosquitoes.
A new Brown University-developed technology called trans-Tango allows scientists to visualize neural connections in fruit flies, revealing previously unmapped gustatory circuits. The technology enables circuit tracing and has the potential to control circuit functions, expanding its applications in neuroscience.
Scientists have engineered cowpea to produce a Bacillus thuringiensis protein that protects against the Maruca pod borer. The resulting Bt cowpea variety can yield up to 25% more than traditional varieties, making it an attractive option for smallholder farmers in Africa.
A recent study published in Psychonomic Bulletin & Review found that calorie-dense foods are more distracting than low-calorie foods or everyday objects, even if they are not related to food. The researchers used a distraction paradigm to test how participants' thoughts and cognition relate to their eating habits.
Researchers found that restricting diet or using genetic manipulation to mimic it can maintain youthful mitochondrial networks, increasing lifespan. These youthful networks also improve fat metabolism by communicating with peroxisomes.
The Norian Chinle Formation provides a snapshot of an ancient terrestrial ecosystem with plant and vertebrate remains. A new extinction event occurred between 213-217 million years ago, leading to a shift towards drier conditions.
Researchers have captured the first atomic-level images of finger-like growths called dendrites that can pierce the barrier between battery compartments and trigger short circuits or fires. The images revealed that each lithium metal dendrite is a long, beautifully formed six-sided crystal.
Researchers from University of South Florida use bat guano to study climate change in east-central Europe since the Medieval Warm Period. Isotopes found in bat guano provide a near annual record of winter precipitation for the region.
A Norwegian PhD candidate has discovered 30 new species of non-biting midges, using DNA barcoding to confirm the identities of the insects. The research provides significant contributions to the knowledge of this insect group and highlights the importance of DNA barcoding in understanding biodiversity.