A study by Dartmouth physicist Robyn Millan and NASA's Van Allen Probes has discovered new X-ray actions caused by solar flares, affecting Earth's atmosphere. The findings provide insight into the processes that can impact our lives directly.
Researchers at University of Birmingham discovered how mutated FLT3 genes reprogram blood stem cells, leading to abnormal cell production. The findings provide hope for developing new treatments for acute myeloid leukaemia.
A study published in Clinical Infectious Diseases found that 47% of grocery store-bought meat products contained Klebsiella bacteria, with many strains resistant to antibiotics. This increase poses a significant risk to human health, particularly for urinary and blood infections.
A new special issue in ecancermedicalscience explores the complex relationship between diet, metabolism, and cancer. Researchers investigate the role of antioxidants, obesity, and biomarkers in cancer development and prevention.
The discovery of Tetrapodophis amplectus, a four-legged snake fossil from Brazil's Crato Formation, supports the idea that snakes evolved from burrowing ancestors. The species' unique features, including short snout and flexible jaw, suggest it was adapted for grasping prey or clasp during mating.
Researchers found that genetically distinct cells in pregnant mothers, known as microchimeric cells, promote reproductive health and prevent pregnancy complications like prematurity and stillbirth. These cells help the immune system recognize and accept non-inherited maternal antigens, suppressing an immune system attack on the fetus.
Researchers have discovered a way to control magnetism using organic molecules, potentially leading to more efficient and cost-effective storage technologies. The study found that three molecular layers of phtalocynine can stabilize the magnetic orientation of cobalt surfaces, even in the presence of external magnetic fields or cooling.
Researchers found that stressed juvenile finches learn foraging skills exclusively from unrelated adult birds, ignoring their parents. This change may help avoid negative feedback loops and potentially more adaptive behaviors.
Researchers at Beth Israel Deaconess Medical Center found that endovascular aortic repair provides better outcomes, including lower mortality rates and shorter hospital stays, compared to open surgical repair. The study shows improved long-term results over time, with benefits extending up to eight years after surgery.
A 30-year longitudinal study shows that frequent social interactions at age 20 and quality relationships at age 30 are beneficial for well-being later in life. Meaningful social engagement starts having its greatest impact at age 30, but is also beneficial at any age.
Proteins in the Wnt signaling pathway play a critical role in driving kidney scarring, which can lead to chronic kidney disease. Boosting expression of Wnt proteins in healthy kidneys may be an effective strategy for treating chronic kidney disease.
A multi-institutional research team discovered that early animals took their first breaths with only a slight increase in oxygen levels, contradicting the long-held theory of dramatic oxygen changes. This finding provides new insights into the evolution of complex life forms like whales and sharks.
A University of Michigan study found that teens using marijuana for medical reasons are 10 times more likely to say they're addicted than those who use it illegally. The study highlights the need for improved medical marijuana policies to address teen addiction.
A UTHealth researcher has been awarded a grant to analyze the genetic and social network aspects of HIV transmission clusters. The study, led by Dr. Kayo Fujimoto, will compare social clustering by venue to common viral strains of HIV infection.
Researchers at Ben-Gurion University have developed a new one-step graphene production process that is faster and potentially scalable. The lamp-ablation method produces high-yield few-layer graphene without toxic substances.
A study published in PLOS Pathogens found that older individuals are more susceptible to West Nile virus due to impaired immune responses. The researchers discovered that older mice had delayed antibody responses, reduced helper T cells, and lower chemokine levels, leading to higher viral loads and increased brain damage.
A team of engineers and doctors at Vanderbilt University has developed a surgical robot with steerable needles equipped with wrists that provide needlescopic tools with previously lacked dexterity. This innovation allows for precise resections, suturing, and access to areas such as the nose, throat, ears, and brain.
Researchers at Cardiff University have identified a critical function of the DISC-1 gene that plays a crucial role in brain development and plasticity. The study reveals a vulnerable period in early brain development where failure to bind with specific molecules leads to irreversible effects on later-life plasticity.
Leading cancer experts recommend several measures to reduce high cancer drug prices, including a post-approval price review mechanism and Medicare negotiations. The recommendations aim to improve patient care and alleviate the financial burden on those affected by high cancer drug costs.
A study found that additional radiation to lymph nodes reduces breast cancer recurrence, but does not increase overall survival. The treatment was associated with limited toxicity and is recommended for women with axillary node-positive or high-risk node-negative breast cancer.
Researchers found that people with schizophrenia experience relational encoding problems and regional brain dysfunction in the dorsolateral prefrontal cortex and hippocampus. The study suggests a new target area for treatment development to improve memory in individuals with psychosis.
Researchers at Cornell Food & Brand Lab created a Grocery Retailer Scorecard to encourage healthy shopping practices. The scorecard helps shoppers rate their favorite store's healthiness, promoting the sale of perishable items like fruits and vegetables.
A new study from Florida Tech suggests that well-managed coral reefs in the Pacific Ocean can keep up with sea-level rise through vertical growth, but only if carbon dioxide levels stay below 670 parts-per million. If emissions exceed this threshold, even healthy reefs will struggle to adapt.
A major re-analysis of a flagship study on deworming children has questioned the finding that it increases school attendance. The original trial reported improved attendance among untreated schools near treatment sites, but the new analysis found no evidence to support this claim.
A new study has provided never-before-seen details of the human body's cellular switchboard that regulates sensory and hormonal responses. The research, led by Eric Xu at the Van Andel Research Institute, used SLAC's X-ray laser to complete the first 3-D atomic-scale map of a key signaling protein called arrestin.
A new study by University of California, San Diego researchers has identified a pivotal player in diabetic kidney disease and a potential biomarker for diagnosing and monitoring chronic kidney disease. The study uses metabolomics analysis to clarify a central mechanism of action involving the NADPH oxidase proteins NOX1 and NOX4.
Scientists have developed a new material that can capture and convert waste heat from engines into electrical energy, potentially improving fuel efficiency and reducing greenhouse gas emissions. This innovative technology could also have applications in aerospace and manufacturing sectors.
A new theory suggests dark matter behaves similarly to pions, which hold atomic nuclei together. This finding resolves outstanding discrepancies in predicted mass distributions within galaxies and clusters of galaxies.
Researchers used a powerful X-ray laser to create a three-dimensional map of a key protein complex, revealing its structure and interactions. This breakthrough provides insights into developing more targeted therapies for diseases like cancer and heart disease.
A new study discovered that bottlenose dolphins can reverse prediabetes by switching between diabetic and non-diabetic states, with the key driver being a saturated fat called heptadecanoic acid. Dolphins fed fish high in this fatty acid showed significant improvements in metabolic syndrome indicators within six months.
Researchers have successfully directed adult stem cells to turn specifically into muscle using a new method that mimics the body's natural approach. This breakthrough could potentially help treat patients with muscular dystrophy, as well as address spinal cord injuries and other conditions.
A team of scientists in Germany and Switzerland have identified the fungus Exidiopsis effusa as the cause of hair ice. The researchers found that the fungus enables the ice to form thin hairs, which are stabilized by a recrystallisation inhibitor provided by the fungus.
Research reveals that schools with more black and minority students tend to prioritize punishment over medical or psychological interventions, leading to higher rates of expulsions, suspensions, and referrals to law enforcement. This trend is linked to centralized governance and zero-tolerance policies in disadvantaged districts.
A longitudinal study of high school biology instructors reveals that biology dominates STEM education and the workforce increased 50% between 1987 and 2007. However, the same trend also shows that teachers outside their discipline are often assigned to teach outside their capabilities.
Patrick Hines, a Wayne State University School of Medicine professor, was selected for the Aspen Institute's inaugural class of Health Innovators Fellows. He founded Functional Fluidics, which provides diagnostic platforms to predict bleeding and clotting disorders.
Researchers have developed a dynamic 'smart' drug that targets inflammation in a site-specific manner, reducing side effects. The new anti-inflammatory molecule reduces local inflammation while avoiding normal inflammatory processes, potentially improving treatment outcomes for immunosuppressed patients and those undergoing chemotherapy.
The Energetic Heavy Ion Sensor (EHIS) has been given a clean bill of health after being tested using a proton accelerator at Massachusetts General Hospital. This sensor will measure heavy charged particles in Earth's magnetosphere and aid in space weather alerts.
Researchers have discovered a method to lower worrying levels of arsenic in rice, a major crop grown under flooded conditions. By using a shop-bought coffee percolator, up to 85% of the carcinogen inorganic arsenic can be removed from all types of rice.
A recent study published in Nature Communications found that genetic variation in the gene FOPNL is associated with poorer survival rates in multiple myeloma patients. The study, which included over 1,600 patients from North America and Europe, identified a significant link between the FOPNL variant and reduced survival.
Neurons have developed ways to regulate their electrical activity, preventing overexcitability and non-functional neurons. A new study reveals that unique synapses along the axon initial segment (AIS) modulate neuronal output by acting directly on the AIS.
Researchers found that teeth can provide a chronological record of exposure to chemicals, including iron, from fetal development. This technology can help track the impact of pollution on health globally and potentially link early life exposures to neurodegenerative diseases like Parkinson's and Alzheimer's.
Researchers at the University of Nottingham have created a fully synthetic substrate to grow billions of human pluripotent stem cells. This breakthrough could lead to the creation of 'stem cell factories' for clinical use in treating heart, liver and brain conditions.
A new Stanford study found cellular damage detectable in patients after CT scanning, suggesting potential long-term health effects. The research calls for safer imaging practices and increased research into the impact of low-dose radiation on human cells.
Researchers found that hospital staff perception of door-to-needle time did not match actual performance. Middle and low-performing hospitals often overestimated their ability to quickly administer anti-clotting medication.
Coral reefs are under pressure from climate change, which may reduce their ability to protect tropical islands against wave attack and erosion. The study suggests that coasts fronted by relatively narrow reefs with steep faces and deeper reef flats will experience the highest wave runup and greatest potential for island flooding.
Researchers at Boston Children's Hospital have identified epoxyeicosatrienoic acids (EETs) that enhance stem cell engraftment in zebrafish and mice. These compounds could improve bone marrow transplants by allowing the use of more umbilical cord blood units, increasing patient chances of finding a matched donor.
Typhoon Halola's strongest typhoon-force winds were located on the northern half of the storm, stretching from northwest to northeast. The storm intensified and peaked at 95 knots on July 24, with Joint Typhoon Warning Center forecasts predicting weakening after that.
A two-year study found that reducing nicotine content did not increase quitting rates among smokers. The test group's nicotine levels returned to normal after returning to their usual brand of cigarettes, with low quitting rates observed.
Scientists found that additional genes can compensate for knocked-out genes and mitigate consequences. In a study on zebrafish, researchers identified emilin 3B as a rescuing gene for the egfl7 gene, which regulates blood vessel growth.
Researchers developed new diagnostic criteria to differentiate between malignant and benign mediastinal masses in children. The criteria use symptoms, laboratory tests, and CT scans to identify a better way to refine diagnoses, potentially leading to earlier detection of cancers like lymphomas and neuroblastomas.
In bacterial communities, resolving social conflict is key to survival. The discovery reveals that biofilms develop an 'emergent phenomenon' where individuals balance opposing needs through metabolic codependence. This strategy allows bacteria to coordinate activities, resolve internal conflicts and ensure the survival of the community.
A new survey of over 850 US women found that relaxing beach vacations are perfect for sexual experimentation with a steady partner, while group tours and sightseeing trips are ideal for casual sex with acquaintances or strangers. Women tend to underestimate risks in non-penetrative activities and overestimate condom protection.
Researchers study children's aggressive behavior from ages 3-5, exploring factors such as empathy, emotional regulation and social information processing. The three-year study aims to provide new insights into what drives children towards aggressive behaviors.
A University of Michigan study shows that primary care appointment availability increased for people with Medicaid after the state's Medicaid expansion took effect. Despite predictions that appointments would be hard to get due to a surge in newly insured individuals, clinics offered more appointments before and after the expansion.
Researchers at the Henryk Niewodniczanski Institute of Nuclear Physics found that cold crystallization in liquid crystals occurs through two mechanisms: classical thermodynamics and diffusion. The study reveals a wide range of temperatures where cold crystallization can occur, contrary to previous expectations.
The kiwi bird's genomic changes help explain its unique characteristics, such as eliminated color vision and a highly developed sense of smell. Research identified evolutionary changes in the genome that underpin the bird's adaptations to nocturnality, with potential implications for conservation efforts.
Researchers found that two neighboring chimpanzee groups used distinct tool lengths despite identical army ant species availability, indicating cultural knowledge generated small-scale diversification. This study provides insights into what drives cultural differences in chimpanzees and sheds light on human cultural evolution.
Scientists are calling for cooperation between conservationists and space agencies to monitor biodiversity loss, which has halved in just 40 years. Satellite images can reveal changes in vegetation productivity and provide information on ground-level biodiversity levels.
A study published in PLOS ONE found that introducing rapid diagnostic tests in registered drug shops in Uganda reduced overdiagnosis of malaria by 73%, improving the use of valuable malaria drugs. The introduction of these tests improved treatment with artemisinin-based combination therapies, increasing appropriate treatment by 36%.
A new diagnostic test has been developed to quickly detect enterovirus D68, a respiratory virus that caused unusually severe illness in children last year. The test is more effective than previous methods and can be completed in just a few hours, reducing the time needed to detect the virus.