A systematic review found that patients with continuity of care have significantly lower death rates, regardless of specialist or family doctor. The study analysed 22 high-quality studies from nine countries and found an effect across different cultures.
A recent study suggests that Mars' river networks were shaped by superficial run-off of rainwater, contradicting previous hypotheses about groundwater seepage. The researchers found similarities in the branching angles of Martian valleys with those in arid landscapes on Earth.
Researchers have developed a new system using ultraflexible mesh electronics to track the firing patterns of dozens of retinal cells chronically in awake animals. This allows for new insights into how retinal ganglion cells behave over multiple circadian cycles, revealing dramatic changes in cell activity at different times of day.
Computer scientists at Harvard SEAS developed a new algorithm that exponentially speeds up computation by reducing parallel steps required to reach a solution. The algorithm samples directions in parallel and discards low-value directions, enabling real-world summarization processes to be developed at unprecedented scale.
A large population-based study found that cataract surgery is associated with a modest decrease in the risk of being involved in a serious traffic crash. The study analyzed data from 559,546 patients who underwent cataract surgery between 2006 and 2016.
A study found that women with a bachelor's degree and men who knew someone at high risk for the virus were more likely to have knowledge or concerns about Zika. Targeted prevention interventions by gender and education level can effectively educate the public.
The Black Beauty meteorite contains rare zircon with high hafnium levels, providing a temporal framework for Martian crust formation. This study suggests that Mars had a solid crust within 20 million years of solar system formation, potentially hosting oceans and life.
A new study by Queen Mary University of London found that 58% of online video piracy is concentrated in just two locations, making them susceptible to detection by copyright enforcers. The research also revealed a global network of streaming cyberlockers and third-party indexing services facilitating piracy.
Researchers identified four TRAF7 mutations in seven patients with a similar multisystem disorder, associated with developmental delay, congenital heart defects and limb anomalies. The mutations reduced ERK1/2 pathway activity, suggesting a possible genetic link to the condition.
The study analyzed 71 placental mammalian species and found that the genes RXFP2 and INSL3 were either lost or nonfunctional in four Afrotherian species, indicating a more recent origin of testicular retention. This suggests that molecular vestiges can be used to reconstruct evolutionary changes in body parts.
Rockfalls from iconic landmarks like Half Dome and El Capitan pose a significant risk to park visitors. A new study uses rapid 3D analysis to pinpoint rockfall locations, dimensions, and volumes, enabling more accurate assessments and quicker decision-making for park managers.
Researchers at University of California San Diego School of Medicine and University of Minnesota have developed a new CAR-T immunotherapy using natural killer cells engineered from human induced pluripotent stem cells. These cells demonstrated heightened activity against ovarian cancer with less toxicity, offering potential advantages ...
A study found that educational interventions significantly increased sunscreen use and decreased reported sunburns among operating engineers. The interventions resulted in a 38% decrease in never wearing sunscreen and an 18.6-5.8% reduction in reported sunburns.
A new study from the University of Texas at Austin found that empathetic police officers who feel undervalued perform poorly in their duties. In contrast, conservative officers with punitive approaches to justice tend to maintain high performance levels despite public criticism. Policymakers are urged to address the issue by implementi...
Researchers at Salk Institute discovered a hierarchical system in the brain that organizes learned behavior, offering new insight into neurological diseases. The study found three levels of control in neuronal activity, providing potential therapeutic targets for disorders like Parkinson's disease and obsessive-compulsive disorder.
A study by Daniel Gilbert and colleagues found that as the prevalence of a problem is reduced, humans naturally redefine the problem itself. This can lead to missing the fact that the problem has been solved. The phenomenon was demonstrated in several experiments using different types of problems, including blue dots and faces.
Scientists led by Roland Wester have confirmed the presence of molecules in space using terahertz spectroscopy, a method that allows for accurate measurement of spectral lines. The study's findings provide new insights into the chemical composition of interstellar medium and may aid in detecting unknown species in space.
Researchers found that handwashing and house cleaning can effectively lower exposure to flame retardants, with a 43% decrease in Tris levels measured in urine after both interventions. The study's results support the EPA's recommendations for reducing exposure to these chemicals.
INTS13 is a master regulator of gene expression during monocytic differentiation, promoting lineage-specific genes and cell fate determination in hematopoiesis. Depletion of INTS13 disrupts monocytic/macrophagic gene activation, highlighting its indispensable role in monocytic maturation.
A recent study published in the journal Genetics found that the fungus Trichophyton rubrum exhibits asexual reproduction as its primary method of reproduction. The research suggests that mating between individuals is rare and requires highly specific conditions, resulting in low genetic variability within the population.
A recent study reveals that giant panda conservation has a substantial economic value, with estimates suggesting the reserves provide $2.6-6.9 billion per year in ecosystem services. The research suggests that expanding these reserves and investments in natural capital could be a worthwhile strategy for conservation.
A new paper highlights physicians' important role in evaluating refugees' claims of torture and persecution to bolster their asylum cases. Forensic exams have been shown to increase approval rates to 89% compared to 37.5% for all asylum seekers nationally.
A recent study published in the Journal of the American Academy of Child and Adolescent Psychiatry found that only 22% of American youths who received treatment for anxiety disorders stayed anxiety-free over a six-year period. The study also revealed that 30% remained chronically ill and 48% relapsed, highlighting the need for more dur...
Researchers at University of Oregon and Oregon State University found that biocompatible gold nanoparticles and surfactants become toxic when combined in a synergistic way, causing 88% mortality rate in zebrafish embryos. The study's new delivery system could serve as an early screening method to detect toxicity and ensure product safety.
Young scientists Anne-Marie Valente-Feliciano, Anselm Vossen, and Raul Briceño receive grants to support their research on building better accelerators and studying subatomic particle interactions. They will utilize Jefferson Lab's upgraded accelerator and supercomputers to advance our understanding of particle physics.
A new study found that 62% of armadillos in the Brazilian Amazon are infected with M. leprae, the bacteria causing leprosy. Residents who consume armadillo meat have higher levels of leprosy antibodies, highlighting the risk of transmission.
A new study using satellite data found that global rivers and streams cover about 773,000 km2 of the non-glaciated land surface, a 44% increase over previous estimates. The increased coverage suggests large-scale impacts of human modification on river networks in developed regions.
A study by Sapienza University of Rome found that children of same-sex parents had fewer reported difficulties and normal scores in psychological adjustment compared to children of different-sex parents. Family functioning, particularly for gay fathers, was also better among same-sex parents.
A new study by University of Kansas researchers reveals that public concern over terrorist attacks is driven by perceived identities of victims and locations where the attacks occurred. The study found that people tend to impute characteristics of victims based on their country of origin, which influences their perception of threat.
Researchers found evidence of coalitional play fighting among hunter-gatherer societies, suggesting it was a universal feature of human psychology. This type of play involved coordinated action and non-lethal physical force, mirroring skills used in lethal raiding.
Researchers used Pseudomonas aeruginosa and its mutants to study cheating behavior in bacteria, revealing that manipulating social interactions can prevent population collapse. The team created a mathematical model to predict how to change stable interactions among cheaters and cooperators.
Researchers at Karolinska Institutet discovered a built-in molecular brake on human cell division that ensures two complete copies of DNA before cell division, preventing DNA damage and cancer. This process restricts growth to prevent lethal diseases like cancer.
Researchers developed a non-invasive method to measure arterial stiffness and peripheral arterial tone in adolescents aged 16-19. The study found that aortic pulse wave velocity is highly reproducible but augmentation index shows poorer reproducibility, especially among those with higher fitness levels or lower body fat.
New study by Drexel University researchers suggests that tau protein allows microtubules to grow and remain dynamic. This challenges the widely-held theory that tau stabilizes microtubules, which is critical for cognitive function.
Researchers have recalculated global river and stream surface area, finding it's about 45 percent greater than previous estimates. This increase has significant implications for understanding greenhouse gas emissions from rivers and streams.
Researchers warn that online games with loot boxes and microtransactions can lead to endless spending behaviors and psychological entrapment. The authors call these schemes 'predatory monetisation', encouraging repeated spending using tactics that may involve limited disclosure of the product.
The Society of Nuclear Medicine and Molecular Imaging's 65th Annual Meeting showcased advancements in theranostics, quantitative nuclear imaging, and multimodality molecular imaging. Key findings include improved diagnostic accuracy and treatment options for various diseases, highlighting the potential for precision health.
Researchers have identified a new gene-activation pathway caused by lipids associated with coronary artery disease, which could help identify new directions in research and drug development. The study found that exposure to lipids activates the MTHFD2 gene in the walls of blood vessels.
Researchers at Emory University have discovered that GluN2C is rarely paired with another subunit, challenging current understanding of NMDA receptors. This finding has implications for developing treatments for diseases such as schizophrenia and treatment-resistant depression.
Researchers tested a new approach to caring for people with multiple long-term conditions, which aimed to improve health-related quality of life and patient experience. The '3D' approach simplified complex drug treatment and considered mental health, but showed no improvement in quality of life, challenging current UK guidelines.
Researchers recorded atomic-level details of gold melting after laser heating, gaining clues for designing materials that can withstand extreme temperatures and radiation. The study's findings have potential applications in fusion power reactors, steel processing plants, and spacecraft.
Researchers identified adventitial CD90+ and mesenchymal stem cells in human arteries for the first time, providing a clear link to vascular diseases like coronary artery disease. These cells appear to play a key role in mediating vascular diseases.
A new study found Indonesia's life expectancy increased by eight years between 1990 and 2016, but non-communicable diseases have dramatically risen. The 'double burden' poses significant health challenges, with heart disease, diabetes, and injuries taking a toll on the population.
Researchers have identified a DNA-level biomarker, MGMT promoter methylation, as an independent prognostic marker of high-risk, low-grade glioma in patients treated with temozolomide and radiotherapy. This biomarker can predict patient outcomes, with patients having methylated tumors showing improved survival rates.
Two proteins, SmMBD2/3 and SmCBX, play essential roles in the biology of Schistosoma mansoni, particularly in egg production. Disrupting these proteins' activity could lead to new drug targets for controlling schistosomiasis.
Researchers found that smoking significantly delays bone healing and increases risk of nonunion among women aged 30-49. The study analyzed patient records over 20 years and revealed a significant delay in bone healing among smokers, with implications for treatment and prevention strategies.
Male cheetahs employ two space use tactics: floaters roam over vast areas and territory holders mark and defend small territories. Females use home ranges with sizes between those of territory holders and floaters, highlighting the need for huge natural areas to conserve these cats.
Spanish researchers developed a system to track human migration caused by climate change using mobile phone tracks. The model achieved over 60% prediction success rate for displacements in Colombia's La Guajira region during a severe drought, highlighting the importance of economic opportunities and urban areas in migration decisions.
A new study estimates mortality rates for nearly 4,000 Italians over 105 years old, finding a plateau in death rates after age 105. The research suggests that human longevity is increasing over time, with slight declines in mortality rates across groups born within the same year.
Researchers have developed a new catalyst that increases the rate of methanol formation by three times over palladium alone and four times over copper alone. The catalyst combines palladium and copper in a precise atomic ratio, creating an ideal surface structure for efficient CO2-to-methanol conversion.
A new study found that Instagram users portraying hookah use in a positive manner despite its serious health risks. Most posts were promotional and associated with nightlife, community, and hookah identity. The study suggests policymakers should explore approaches to reduce promotional posts and create counter-marketing campaigns.
Research found people selectively identify with ethnicities they view as positive while disregarding others. White respondents were more likely to embrace new racial identities if they felt others would still accept them.
Researchers at Oak Ridge National Laboratory have discovered a new mechanism for heat transfer in solids, supported by Einstein's 1911 theory. This 'heat-hopping' process occurs in thermal insulators and may be present in other crystalline solids.
Scientists at Scripps Research found that several existing FDA-approved anti-cancer drugs bind tightly to RNA, modulating targets and causing some effects. The discovery offers a promising new approach for tackling diseases considered undruggable, including ALS and certain cancers.
NASA's Aqua satellite captured an image of newly formed Tropical Depression 09W in the Northwestern Pacific on June 28. The storm has tracked westward at 8mph and is expected to become a tropical storm on June 29.
A study found that women living in socioeconomically deprived neighborhoods for longer periods had an increased risk of non-optimal weight gain during pregnancy. Non-optimal weight gain is linked to low birth weights and preterm birth.
Researchers found that billing codes were rarely used by hospitals and did not significantly affect diagnosis-related group (DRG) assignment, leading to insignificant financial penalties. The study suggests that CMS policy may have inadvertently led to increased documentation of conditions at admission.
A new lab diagnosis guide from IDSA and ASM aims to help healthcare providers accurately diagnose infectious diseases with rapid molecular testing. The guide provides detailed guidance on test selection, specimen collection, and laboratory management to ensure accurate diagnosis and treatment.
Researchers have discovered ancient Moroccan dental remains that shed light on the history of long-lost African fauna, including embrithopods. The fossilized teeth belong to two new species in the genus Stylolophus and provide evidence for the early evolution of these mammals.
Researchers create flexible terahertz imagers based on semiconducting carbon nanotube materials that can be fine-tuned to maximize detector performance. The findings expand the scope of terahertz applications, enabling wearable technologies and large-area photonic devices.