Researchers observed a periodic rocky near-Sun comet, 323P/SOHO, breaking apart due to intense radiation from the Sun. This process, known as thermal fracturing, may explain why there are few such comets in our Solar System.
Researchers identified 42 independent virus lineages that arrived in Finland in spring 2020, with four causing two-thirds of the entire epidemic. Most infections were not transmitted further, indicating that early travel restrictions and preventive measures can delay widespread transmission.
A new study found that US teens born elsewhere eat healthier than US-born teens, but diet worsens over time. The analysis showed that being born outside the US and living in the US for less time were associated with higher diet quality.
The latest publication from the Golden Retriever Lifetime Study reviews current demographics and health parameters, including cancer diagnoses and deaths. The study has obtained 223 of its desired primary endpoints, with hemangiosarcoma being the most common cancer.
Astronomers using ALMA have imaged the debris disk of HD 53143, revealing its highly eccentric structure. The discovery provides valuable insights into planetary formation and evolution, suggesting that gravitational perturbations from planets may shape disk morphology.
A detailed understanding of interleukin 2's role in the immune system has been gained through a new mouse model, enabling scientists to identify potential new uses as an immune-modulating biologic drug. This breakthrough may lead to optimized autoimmune and cancer treatment while avoiding unwanted side effects.
A new study by Carnegie Mellon University found that parenting styles are a strong indicator for how people think about social issues, including education and elder care. The results suggest that helicopter parents tend to prefer paternalistic political policies, while free-range parents tend to lean towards autonomy.
A study published in Nature Climate Change reveals that companies purchasing renewable energy certificates (RECs) are overstating their climate mitigation claims. The researchers found that firms reported a 31% reduction in emissions, but the actual drop was only 10%, three times lower.
A study reveals that valproic acid induces cellular senescence in neuroepithelial cells, leading to developmental defects such as spina bifida, facial alterations, and Autism Spectrum Disorder. The researchers found that a specific molecule, p19Arf, is responsible for this effect.
A new study found that only a small percentage of U.S. adults can accurately assess the healthfulness of their diet, with most adults overrating their diet's quality. Accuracy was highest among those who rated their diet as poor, with researcher scores matching participant ratings 97% of the time.
Researchers have developed a new probe to detect Alzheimer's disease biomarkers using near-infrared fluorescence, which may help diagnose the disease early and prevent its progression. The probe binds oligomeric Aβ proteins, a hallmark of Alzheimer's disease, offering a potential alternative to existing treatments.
A U-shaped pattern of sleep duration across life stages was found, with age 40 being the lowest point and efficiency stabilizing from ages 30 to 60. Study participants wore accelerometers for seven consecutive days, providing an objective measure of sleep time.
The American Gastroenterological Association has released a series of evidence-based position statements guiding the creation of a national colorectal cancer screening approach. The goal is to eliminate barriers and reduce mortality by ensuring equitable access to CRC screening programs for all individuals.
Ten early-career scientists from Argentina, Brazil, and Uruguay will receive grants to advance their research by working in US labs. The recipients include Ph.D. students and postdoctoral fellows who will collaborate with renowned researchers in various fields of biomedical research.
Researchers have discovered an alternative route that pluripotent and endoderm extra-embryonic stem cells can use to form intestinal organs in the lab. This finding could lead to improved cell development and potentially treat diseases, but further function testing is needed.
A new processing technique could make potatoes healthier by slowing starch digestion and reducing blood sugar spikes. The approach blocks certain digestive enzymes from reaching potato starch as quickly, leading to a more controlled release of dietary glucose.
Researchers have developed a molecule that uses nanotechnology, chemotherapy and a monoclonal antibody to target glioblastoma multiforme, the most aggressive type of brain cancer. The treatment showed promise in isolated cells and animal models, with significant reductions in tumor volume and no increased toxicity.
A new study found that growth hormone reduces liver fat and inflammation in patients with nonalcoholic fatty liver disease, improving liver function tests and markers of inflammation. The study showed significant improvements in liver health after administering growth hormone to 41 participants for 6 months.
A University of Jyväskylä study found that menopausal women's ability to use fat as an energy source is not impaired by estrogen levels or menopause. Women who burned more fat during exercise had higher fitness and physical activity levels, while those with better glucose tolerance did not necessarily burn more fat.
Research led by Texas A&M AgriLife scientist Shaodong Guo found that estrogen protects female mice from cardiomyopathy and death, reversing the effects of insulin resistance. The study suggests that estrogen replacement therapy may be a feasible treatment option for diabetic cardiomyopathy.
A new study found that consuming more ultraprocessed foods is associated with poorer locomotor skills and lower cardiovascular fitness in children. The research suggests that educating families about cost-effective ways to reduce ultraprocessed food intake can help decrease the risk for cardiovascular health problems in adulthood.
Researchers have identified lung-infiltrating monocytes as the key immune cells driving COVID-19's inflammatory complications. The study suggests that targeting these cells with remdesivir and baricitinib can enhance antiviral signaling and viral clearance, potentially improving patient outcomes.
A nationwide large-scale study confirms the safety and feasibility of NOSES for CRC, with a low postoperative complication rate and good long-term oncological outcomes. NOSES also presents advantages in postoperative recovery, such as earlier flatus time and shorter hospital stay compared to traditional colon surgery.
A new PET imaging agent, <sup>68</sup> Ga-FAPI-46, has been shown to predict the severity of cardiac remodeling after a heart attack by identifying active fibrosis. This biomarker has potential to aid in diagnosis and treatment selection for patients with heart failure.
A team of researchers has determined the cryo-electron microscopy structures of three NPY receptors in complex with the peptide ligand and Gi protein. The study reveals interaction details between different NPY receptors and the peptide, highlighting distinct conformations upon binding to each receptor. This understanding is crucial fo...
A Mayo Clinic study found that Paxlovid treatment benefited almost all high-risk COVID-19 patients, with only a handful experiencing mild rebound symptoms. Researchers suggest comorbidities and secondary immune responses may be factors behind the rare rebound phenomenon.
Researchers using ALMA have observed significant cold gas in the outer regions of A1689-zD1, a young, active star-forming galaxy. The findings suggest that early galaxies like A1689-zD1 may be larger and more complex than previously believed.
A team of scientists from the University of Bristol has identified a host cell pathway hijacked by SARS-CoV-2, allowing it to penetrate human cells. The study found that removing a protein complex called ESCPE-1 blocks COVID-19 infection by around 50%.
The study found that uterine transplantation is an effective method to remedy infertility, with a clinical pregnancy rate of 33% and cumulative live birth rate exceeding expectations. The procedure also showed positive health outcomes, including improved quality of life and low rates of anxiety and depression.
Researchers at Case Western Reserve University developed an AI tool that analyzes routine tissue biopsy images to predict response to immunotherapy in lung and gynecologic cancers. The study found that the AI consistently predicted clinical outcomes, including survival, for three common immunotherapies.
Researchers have discovered a new molecular treatment effective against low-flow vascular malformations using the AKT inhibitor miransertib. The study also found that active angiogenesis is needed for malformations to occur, opening the door to preventive strategies.
A California skilled nursing facility improved hand hygiene rates, increased PPE compliance, and reduced catheter-associated urinary tract infections by hiring a dedicated infection preventionist. The team's results demonstrate the value of having a full-time IP to implement best practices and train staff.
A newly developed small-molecular radiopharmaceutical pair has successfully visualized and treated melanoma in a preclinical study. The theranostic approach targets metabotropic glutamate receptor 1 (GRM1) found in many human solid tumors.
A new HIFU treatment approach, MR-guided focused ultrasound (MRgFUS), effectively controlled disease in patients with intermediate-risk prostate cancer, reducing adverse side effects. The procedure is less invasive, taking about two hours, and results in minimal recovery time.
Researchers investigated how COVID-19 affected breastfeeding practices, finding some mothers experienced improved bonding with their babies during stay-at-home orders. Food insecurity was linked to higher diabetes distress among adults with pre-diabetes or diabetes. The studies also found that technology access was crucial for older ad...
A new study found that conventional methods for calculating flood risk underestimate frequencies, especially at the 100-year flood, due to neglecting unique roles of each flood type. Researchers from DRI, University of Wisconsin-Madison, and Colorado State University investigated historic floods in 308 watersheds.
The Chang'E-5 team found hydroxyl signals in lunar rocks and soil, indicating the presence of indigenous water on the Moon's surface. The bulk of this water is contained in apatite minerals, suggesting a lunar origin.
Researchers studied Australian native bee Amphylaeus morosus, finding it exhibits extreme reproductive skew and high relatedness, which challenges theories on social complexity. The study provides evidence that kin selection can promote worker sterility at the initial transition to social living.
Researchers have found a negative correlation between Helicobacter pylori infection and inflammatory bowel disease (IBD) prevalence, suggesting the bacterium may protect against IBD. This is supported by studies showing improved gut microbiota diversity and increased abundance of beneficial bacteria in H. pylori-infected individuals.
A new study found that most severely injured North Atlantic right whales die within three years, with severe injuries increasing their mortality rate. The study also revealed a worrisome trend in females, including lower birth rates and longer intervals between calving.
Scientists have found that axisymmetric 'spike waves' can exceed previously thought limits on ocean wave height, leading to significant implications for maritime safety. The new research revealed the fundamental mechanisms behind highly directional and crossing waves becoming much larger than others.
Despite widespread concern, most research on Covid-19 and its impact on mental health found no significant increase in suicide rates globally. In low- and middle-income countries, some studies even reported a decrease in rates of suicide and self-harm following the pandemic.
A new study by an international group of researchers has found substantial reductions in grey matter in people with anorexia nervosa, a condition characterized by severe food restriction and low body weight. Early intervention and treatment can help the brain repair itself, according to the research team led by Dr. Paul M. Thompson.
A study of over 800,000 people found that young, non-Hispanic Black males and middle-aged Black females were at the highest risk of food insecurity. Households with more children and those with lower education and income also experienced increased food insecurity.
A new study finds that Florida panthers are the primary cause of white-tailed deer mortality in Southwest Florida, with 96 deer killed by the big cats. Habitat changes and population shifts pose challenges for sustainable hunting opportunities, highlighting the need for further research.
Researchers at UT Austin discovered a rule connecting channel belts to river patterns, finding that channels in ancient rivers lead to narrower belts. Multichannel rivers take up more space on the belt and are closer to the floodplain, influencing landscape shaping.
Researchers at Stanford University have created millirobots that can precisely target specific areas of the body with medicines. These tiny robots, powered by magnetic fields, can navigate through narrow spaces and dispense medicine in real-time.
The COVID-19 pandemic is difficult to control in Africa due to limited household infrastructure, including shared drinking water and toilets. A new study found that even within countries, there are significant regional differences in infrastructure availability.
Researchers have categorized convergent plate margins into three stages based on geometric structure, dynamic regime, and thermal state. The transformation from subduction zones to rifting zones involves two steps: lithospheric thinning and asthenospheric upwelling.
A recent study found that certain bacteria species in the gut are associated with a higher risk of colorectal cancer in younger populations. The research suggests that dietary patterns high in processed meats, low-calorie drinks, and liquor may contribute to this increased risk.
Illinois Tech philosopher J.D. Trout argues that journalists should prioritize settled science and dismiss 'alternative facts' as cons. He suggests that reporters should not engage with disputed claims when the scientific consensus is clear, and instead promote epistemic humility and respect for expert knowledge.
A new double-layered catalyst, combining platinum with NiFe hydroxide, was developed to enhance hydrogen generation efficiency. The catalyst's activity is 11.2 times higher than conventional materials, making it a promising solution for increasing green hydrogen production.
A research team from Tokyo University of Science has developed a new method to create copolymers with different metal species, which have potential uses in catalysis and drug discovery. The technique allows for controlling the composition of metal species in the resulting polymer.
Cathy Sue Cutler, PhD, was elected vice president-elect of SNMMI, focusing on securing funding for nuclear medicine services. She aims to generate training opportunities for SNMMI members on theranostics and educate the public on the value of nuclear medicine.
Researchers have found that deep-diving seals rely on their sensitive whiskers to detect water movement and capture prey in the absence of light. The study provides insight into the unique sensory adaptations of marine mammals and sheds light on how seals navigate and hunt in extreme environments.
The American Heart Association scientific statement emphasizes the importance of collecting data on sex differences in acute ischemic stroke treatment and outcomes. Researchers need to consider biological factors, such as sex, when studying stroke treatment, while social factors may be more relevant for quality of life assessments.
Researchers developed a rapid blood assay that measures the magnitude and duration of immunity to SARS-CoV-2, allowing large-scale monitoring of population immunity. The test takes less than 24 hours to perform and is scalable to use broadly in the population.
A University of Minnesota research team solved the long-standing mystery of strontium titanate's dielectric properties by accounting for interface effects. They achieved a dielectric constant exceeding 25,000 in epitaxial SrTiO3 films, making them suitable for applications such as electronic devices and data storage.
Researchers have discovered proteins that mediate intimate contacts between bacteria, enabling DNA transfer and resistance to antibiotics. Understanding this process can help develop new approaches to slow the spread of antimicrobial resistance.
A new Michigan Medicine study found that elementary school-aged children in remote learning experienced greater behavioral and learning-related difficulties compared to those in in-person instruction. Children in virtual school also showed signs of hyperactivity, peer problems, and sleep issues.