Asteroid Bennu's surface is covered in boulders due to its highly porous rocks, which compress rather than fragment under meteoroid impacts. This contradicts previous observations of fine regolith on similar asteroids, such as Ryugu and Itokawa.
Two Gladstone scientists, Leor Weinberger and Vijay Ramani, received NIH Director's Awards to fund groundbreaking research on a single-administration antiviral for COVID-19 and a molecular strategy to fight cancer. Their work has implications for treating various diseases, including cancers.
A novel computational model predicts that articular cartilage can partially heal after injury by controlling inflammation. The study uses biomechanical and inflammatory aspects of osteoarthritis progression to develop a physics-based computational model.
A study examined internet gaming disorder in college students, finding it in 1.25% of participants, and that withdrawal symptoms occur in 59% of gamers without meeting full criteria for the disorder.
A new study reveals that early human activities, specifically Māori burning practices in New Zealand over 700 years ago, impacted the Earth's atmosphere more than previously known. The increase in black carbon levels in Antarctic ice cores supports this conclusion.
Researchers have discovered the molecular mechanisms behind stem cell rolling in blood vessels, a complex process that slows down cells using long tethers. The findings offer new insights into improving stem cell transplantations and developing treatments for metastasizing cancers.
Researchers identify 116 types of cells in the primary motor cortex, a significant step towards creating a comprehensive brain atlas. The findings aim to understand how neural networks control movement and cognition, and could lead to new therapies for neurologic and neuropsychiatric diseases.
A study found that chronic stress, measured by allostatic load, was associated with a lower likelihood of completing chemotherapy and lower overall survival rate in patients with lymph node-positive or high-risk lymph node-negative HER2-negative breast cancer. Allostatic load may be a better predictor than genetic ancestry for chemothe...
Researchers at Kansas State University argue that integrating National Violent Death Reporting System data into Maternal Mortality Review Committees can improve the efficacy of MMRCs and address racial disparities in maternal mortality. The study found increased risk for pregnancy-associated homicide and suicide during pregnancy and po...
The study provides a new framework for policymakers to consider drinking water quality data when analyzing environmental justice issues. Communities with higher ratios of Hispanic and/or Black populations were found to have statistically significant increases in cancer risk due to exposure to tap water contamination.
Researchers have identified a significant association between periodontal disease, oral pathogens, and the development of gastric cancer. The study suggests that individuals with gastric cancer have a higher prevalence of oral pathogens, which may contribute to the risk of developing the disease.
Researchers found that wild and hatchery coho salmon demonstrate different genetic markers for negative assortment, a common finding in mating. They are now trying to emulate the natural mating of coho salmon in a hatchery environment using genetic profile information.
A Brazilian study examines the causal relationship between outdoor air pollution and students' cognitive performance in Brazil. The findings suggest that an increase of 10 micrograms per cubic meter of PM10 decreases students' scores by 6.1 points, with poorer students more susceptible to air pollution's effects.
Researchers found a correlation between allergic diseases and mental health conditions, including depression and anxiety, but cautioned that the link may not be causal. Future studies aim to explore potential treatments for both conditions.
Researchers analyzed ALMA data to create the first animation of a young twin star system's orbital motion over three years. The study found that the disks surrounding each star are significantly misaligned with respect to each other, supporting the idea that the system was formed via molecular cloud fragmentation.
A new study reveals a small molecule, RGX-202, that targets and prevents metastasis in colorectal cancer by blocking the uptake of phosphocreatine into cancer cells. The findings have led to a clinical trial in humans and may eventually increase survival rates for multiple gastrointestinal cancers.
A new study aims to use the microgravity conditions of space to better understand how flames spread on Earth. By performing complementary ground-based and microgravity experiments, researchers can precisely measure flame spread along a combustible object, allowing for more accurate predictions of wildfire behavior.
A pilot program providing tailored cervical cancer screening for trans men and nonbinary people was well-received, with 100% satisfaction rates. The program aimed to address barriers such as dysphoria and stigma, and could serve as a model for similar programs.
A study by Arizona State University researchers reveals that the coordination between facial growth and chewing muscle mechanics determines when adult molars emerge. The study found that human molars come in at a later age due to slow jaw growth and short faces, which creates a mechanically safe space for molar emergence.
Research in Borneo suggests that forest patches adjacent to palm oil plantations provide critical habitats for generalist species, including the Asian water monitor lizard. These refuges help maintain biodiversity in oil palm-dominated landscapes.
Research investigates m6A regulators in cognitive dysfunctions, identifying potential biomarkers like SNRPG and SNRPD2. The study also highlights the role of APOE ε4 allele and FTO expression in AD development.
A study of over 1,000 mothers estranged from their adult children found that nearly 80% believed an ex-husband or child's mental health issues were responsible for the estrangement. The results highlight a disconnect between mothers' and children's reasons for the rift, suggesting a need to consider differing perspectives when trying t...
Researchers created a wiring diagram of critical brain circuits using mouse models, providing insights into the primary motor cortex's wiring. The study pinpoints smaller circuits that process specific functions, such as movement control and emotional input, and could reveal new treatment targets for neurodegenerative disorders.
Researchers found no increased risk of heart disease or type 2 diabetes with hormone therapy use among middle-aged postmenopausal women who met current guidelines. The study analyzed data from over 58,000 women and concluded that hormone therapy is not significantly associated with these health outcomes.
Northern Arizona University researcher Marti Canipe has developed a three-year project to create science courses for undergraduate elementary education majors using phenomenon-based instruction methods. The courses will focus on real-life phenomena and engage students in scientific practices, leading to deeper understanding of science ...
The NIH BRAIN Initiative Cell Census Network has published an atlas of cell types and neuronal wiring diagram for the mammalian primary motor cortex, derived from detailed studies of mice, monkeys, and humans. This comprehensive resource provides a foundation for further study of cell types in the rest of the brain.
A new study by SFU archaeologists has developed a valid method for estimating the age of juvenile remains using crania and mandibular bones. This approach can help forensic teams identify child remains in archaeological work or criminal investigations, providing closure for families.
Researchers analyzed ancient zeolite specimens to discover that some prefer lighter isotopes, while others prefer heavier ones. This finding could help quantify temperatures in geologic systems and mitigate human-caused climate change.
Quaise Inc.'s new geothermal drilling technology uses millimeter waves to melt and vaporize rock, allowing for deeper access to hot resources. The company's test campaign aims to drill holes with increasing aspect ratios, simulating the full drilling process.
La Trobe University researchers developed a smart microscope slide that can detect cancer cells using enhanced color contrast. The technology uses nanoscale modifications to distinguish cancer cells from normal tissue, making early diagnosis more efficient.
A new study surveyed 205 US college counselors, finding that institutional support and training time predict attitudes toward evidence-based practice. The study suggests that university counseling centers should facilitate a climate encouraging the use of EBPs to standardize care.
A new study explores how cultural values affect intercultural relationships. Secure attachment and relationship equality are key factors in greater relationship satisfaction, while adherence to traditions and less support of traditional gender roles also play a role.
Climate anxiety is growing among children and young people, with over half of child psychiatrists in England seeing distressed patients. Experts call on leaders to provide reliable information on climate mitigation and adaptation, and support individuals connect with nature and join like-minded communities.
Researchers at Karolinska Institutet found that tiny sacs of material excreted by cells can transport protein drugs to reduce inflammation in animal models. The technique shows promise for treating conditions like multiple sclerosis and inflammatory bowel disease.
The Obesity Society's ninth annual journal symposium will highlight innovative research designs for preventing and treating obesity. Five honorees from the US and Canada will present their work, including studies on weight discrimination, sleep patterns, and hypothalamic gliosis.
Researchers have made progress in creating a brain atlas of the mouse brain, which will help develop tools for studying the human brain. The study describes the diversity of neurons in the mouse brain and establishes new methods for characterizing cell types and neural connections.
Physicists have developed a groundbreaking theory, LaMET, to calculate the quark and gluon structure of protons traveling at the speed of light. This breakthrough resolves limitations in existing lattice quantum chromodynamics (QCD) theories, allowing for predictions on proton structure that can be tested by future experiments.
Researchers found that bees in agricultural areas traveled an average of 743 meters for food, compared to 492 meters in urban areas. This suggests that urban areas provide a reliable source of food for honeybees, making them less reliant on longer trips to find nectar.
A study published in British Journal of Clinical Pharmacology found a potential link between blood pressure medication use and the development of psoriasis. Data from 13 studies suggests that certain types of antihypertensive medications may increase the risk of skin conditions, warranting close monitoring.
A US study of 580,000 vaccinated individuals found that those with substance use disorders were more likely to contract COVID-19. The risk was largely attributed to co-occurring health conditions and socioeconomic factors rather than the disorder itself.
A computational framework will be developed to characterize how genetic variants work at the cellular level in psychiatric diseases like schizophrenia and bipolar disorder. The framework aims to integrate data from live and postmortem samples, humans and mice, to accurately pinpoint which mutations result in disorders.
The study found that early vaccination rollout for veterans was efficient and had high estimated vaccine effectiveness. mRNA COVID-19 vaccines showed high coverage and effectiveness in this diverse U.S. population.
A new study highlights the challenges faced by unpaid caregivers of chronically ill or disabled loved ones during the pandemic. The survey found that 60% of caregivers experienced at least one challenge related to accessing medical care for their loved ones, leading to increased stress, depression, and isolation.
A Johns Hopkins University study found thousands of unknown chemicals in e-cigarette aerosols, including industrial chemicals and caffeine. The research used advanced fingerprinting techniques to identify these compounds, which were not disclosed by manufacturers.
Researchers at the University of Surrey discovered that red blood cells generate an electric field voltage outside and not just within biological cells. This has significant potential implications for future medical treatments, particularly in cardiovascular disease, cancer, and fertility treatment.
A new study published in the Journal of the American Heart Association found that long-term exposure to air pollution and road traffic noise may be associated with an increased risk of developing heart failure. The correlation appears to be greater in people who are former smokers or have high blood pressure.
Researchers found that older adults with non-small cell lung cancer have low life-space mobility before treatment, which declines after starting treatment. A lower body mass index prior to treatment is associated with an improvement in life-space mobility during treatment.
A multi-country study finds that students performing COVID-19 distance learning exhibit increased motivation and perseverance when they perceive themselves as self-motivated and connected to others. The study also reveals lower procrastination rates among these students.
Researchers at KU Leuven developed an ultrapotent inhibitor of the dengue virus, effective against all known variants. The antiviral molecule is also suitable for prevention purposes and has shown promising results in mouse tests, with a low dose being extremely effective.
A recent study by researchers at The University of Texas at Austin found that the 2011 Texas drought was more severe and widespread than previously estimated. Using satellite data to track soil moisture levels, the team's updated model showed that extreme drought affected over 95% of the state in April 2011.
A new plant species, Aenigmanu alvareziae, has been identified after nearly 50 years of scientists unable to classify it. The plant's DNA analysis revealed its closest relatives were in the Picramniaceae family.
Researchers found that metformin suppressed glucose metabolism and killed cancer cells in group A posterior fossa ependymomas, a type of childhood brain tumor. The study's senior author believes this opens a promising possibility for therapeutic suppression of the epigenetic changes driving these tumors.
Researchers developed a gel made of fibrin that improved the effectiveness of CAR-T cell immunotherapy for glioblastoma by enhancing T cell distribution and preventing tumor recurrence. In mouse studies, the gel showed promising results, with 64% of treated mice being tumor-free after 94 days.
A new study by the National Center for Atmospheric Research found that the Montreal Protocol will spare Americans from 443 million skin cancer cases and 63 million cataract cases through the end of this century. The treaty phased out ozone-destroying substances, resulting in reduced UV radiation and corresponding health benefits.
The ARAMIS phase III clinical trial found that darolutamide improved metastasis-free survival and overall survival in Black/African American patients. Darolutamide-treated patients had a higher three-year overall survival rate and longer time to disease progression compared to placebo-treated patients.
Researchers have identified the structure of a protein complex, supercomplex CIII2CIV, that plays a crucial role in energy conversion in animal cells. The complex pumps charged particles through the mitochondrial membrane, facilitating energy production.
Researchers have identified a key component of plants' light response, allowing them to regulate gene expression and control stem growth. By reducing PIF protein activity, they can slow down stem growth and promote leaf and seed production, leading to increased crop yields and improved food supply.
Researchers found that mRNA COVID vaccines reduced symptomatic illness risk by 89% and 96% for Pfizer-BioNTech and Moderna vaccine recipients respectively. The vaccines' effectiveness was lower in immunocompromised individuals.
Researchers at USask discovered excessive sodium absorption in small airways of CF patients, providing new insights into the disease. The study's findings have the potential to improve life for people with CF who cannot benefit from existing medications.
Two PhD students, Maria Bolar and Megan Foley, are the first from Northern Arizona University to receive awards from the US Department of Energy. The program prepares graduate students for STEM careers by providing research opportunities at DOE national laboratories.