A team of researchers identified an unusual belt of igneous rocks stretching over 2,000 miles from Canada to Mexico, defying expectations of volcanic activity. The rock formation, dated to 80-50 million years ago, originated deep underground and lacks evidence of volcanoes.
Researchers at Japan Advanced Institute of Science and Technology discover a phenomenon called photoexpansion in hard plastic films, which exhibits convex deformation under UV light due to cis isomerization. The study reveals the unique deformation mechanism of bio-based polycinnamate films, offering potential for precise control of ph...
A study analyzing high-resolution model simulations found that mountainous terrain, particularly the Nanling Mountains in Jiangxi Province, initiates back-building convective lines. This leads to torrential flooding and heavy rainfall within the mei-yu front rainband.
Researchers used ground surveys and Damage Proxy Maps from NASA satellites to assess structural and façade damage in Beirut after the 2020 explosion. Satellite-based maps were effective at identifying severely damaged buildings but less effective for intermediate damage levels.
A new process has led to the development of high-performance energy absorbing systems that can be used in various applications, including vehicle crash safety, military armoured vehicles, and human body protection. The material's unique nanoscale mechanism enables it to absorb more mechanical energy per gram with good reusability.
Scientists have discovered a new type of coronal rain forming along open magnetic structures on the Sun, which is facilitated by interchange magnetic reconnection between open and closed magnetic structures. This mechanism triggers thermal instability, leading to cooling and condensation of hot coronal plasma, resulting in coronal rain.
Researchers used machine learning to detect and alert against debris flows in the Illgraben torrent, achieving 90% accuracy in detecting early flows. The system could provide crucial warning time for nearby people and infrastructure, potentially saving lives.
Scientists discovered stalagmite growth is consistently linear over hundreds and thousands of years, providing an unparalleled capacity for precise chronology building. The analysis revealed that warmer climates tend towards more growth, while colder climates see slowed growth, but the majority of samples follow a linear growth pattern.
Researchers discovered that certain anaerobic bacteria can use citrate synthase to catalyze citrate cleavage without consuming ATP, requiring very high CO2 concentrations. The findings suggest that this metabolic pathway may be a relic of early life and have potential applications in biotechnology.
Ancient dune fields in Gale crater provide evidence of variable wind directions, shedding light on Mars' climate evolution. The findings suggest that the Martian surface may have been less hospitable to life than previously thought, with a vast expanse of desert sand representing a snapshot of time.
Researchers analyzed 130 children and found no increased germline mutation rates; instead, DNA double-strand breaks were more pronounced for younger survivors. A second study provided insights into radiation-induced papillary thyroid cancer, revealing radiation dose-related increases in DNA damage.
Researchers successfully employ hard X-ray transient grating spectroscopy to study phonon response and material properties at the nanoscale. The technique, which uses subnanometer wavelength pulses, reveals insights into bulk and nanostructured materials.
Researchers are investigating how carnivorous plant genes can help crops defend themselves from pathogens and insects, reducing reliance on pesticides and fertilizers. The team plans to test transgenic crop plants with protein-based pest deterrents and nutrient-enhancing traits.
A modeling study suggests that rapid air exchanges can cause a spike in viral concentrations within 30 minutes and remain elevated for up to 90 minutes. Increasing outdoor air and strong filtration reduce transmission risk, but the effect of increased ventilation rate is less obvious.
Researchers found that severity of illness, history of stroke, and being divorced or widowed are predictive factors of delirium. Nearly 50% of patients admitted to the hospital had delirium at admission, highlighting the need for earlier identification and management.
Researchers have identified a critical role for DNA replication timing in controlling the packing of DNA with its regulatory factors, known as the epigenome. The study found that disrupting this program can lead to inappropriate cellular functions and negative health outcomes.
Researchers have developed a new imaging technique that captures individual receptors on the surface of living cells with unprecedented detail. This breakthrough could lead to a new generation of drugs with greater specificity and reduced side effects, particularly for disorders such as schizophrenia and depression.
Researchers at IBEC developed biobots with muscle tissue and flexible skeletons that can swim and coast like fish, achieving unprecedented velocities. The innovative skeleton creates a feedback loop through mechanical self-stimulation, leading to enhanced actuation and larger contraction force.
A study by Indiana University researchers found that access to local health-related laws in Indiana counties is limited due to outdated or non-existent online databases. The study aimed to build a comprehensive database of local laws, highlighting the importance of standardized online systems for policy surveillance and transparency.
Researchers found that trehalose and glycogen pathways are crucial for stress tolerance in Pseudomonas aeruginosa, a significant pathogen causing pneumonia and hospital-acquired infections. Disrupting these pathways significantly reduced the bacteria's ability to survive on man-made surfaces.
A new study highlights the urgent need for more research on safe approaches to discontinuing antidepressant treatment. Long-term use can lead to adverse events, but the current low-certainty evidence makes it difficult to determine the best tapering strategies.
Researchers found that regulatory T cells are silencing T cells in cold tumors, leading to reduced immune response. Using medication to deactivate Tregs and radiation treatment can help boost immune response.
Researchers have identified a new light-driven enzyme, fatty acid photodecarboxylase (FAP), that converts fatty acids into alkanes and alkenes under blue light. The enzyme's complex photocycle drives this transformation, and its structure has been elucidated using serial femtosecond crystallography.
Researchers discovered that fruit flies can fly up to 15 kilometers in a single journey, outpacing many migratory bird species. The study, led by Kate Leitch, used 'release and recapture' experiments with hundreds of thousands of common lab fruit flies.
Researchers used genomic tools to investigate health effects of Chernobyl radiation, finding no evidence of genetic changes passed from parents to children. The studies identified genetic changes in thyroid cancer tumors of people exposed as children or fetuses to radiation released by the accident.
A study by Chinese Academy of Sciences researchers found that China's efforts to achieve a 1.5°C warming limit require significant reductions in carbon and non-carbon emissions, with substantial declines in energy consumption and fossil fuel use. The study also highlights the importance of transitioning to renewable energy sources.
Prof. Dr. Piet O. Schmidt receives EU funding to explore fundamental questions of modern physics, aiming to improve limits for new forces and changes in natural constants. His team plans to develop novel measurement methods using highly charged ions.
A recent cross-sectional analysis found a significant association between iron-deficiency anemia and the likelihood of developing insomnia in Chinese adults. Anemia was assessed using hemoglobin levels, while insomnia was evaluated using the Chinese version of the Athens Insomnia Scale.
A recent study found that etelcalcetide slowed FGF23 levels and left ventricular mass growth by 6-8% in dialysis patients. The treatment could potentially reduce sudden cardiac death risk in this population with high cardiovascular risk.
A study investigated maternal and neonatal outcomes among pregnant women with and without COVID-19, finding COVID-19 diagnosis associated with increased risks of preterm birth, low birth weight, and stillbirth. The results highlight the need for enhanced prenatal care and monitoring for pregnant women with COVID-19.
A collaborative research team has discovered compounds with antimalarial activity from a collection of 80,000 drug-like molecules. The most promising candidates are now being further developed towards potential antimalarial drugs.
Researchers at Arizona State University have explored the molecular dynamics of titania clusters to develop more efficient photocatalysts. The key to advances in this field lies in extending the time electrons persist in an excited state, enabling titania to act as a catalyst.
A new study found that the anti-aging compound NMN improved insulin sensitivity in skeletal muscle of postmenopausal women with prediabetes. However, it did not lower blood glucose or blood pressure, and more research is needed to determine its clinical benefits.
A study by Penn State researchers suggests that dairy farmers can reduce nitrous oxide emissions from corn crops by applying manure after planting and using organic nitrogen amendments. The results show that this approach can lower total nitrogen application and mitigate climate change, while also protecting water quality.
A team of researchers has developed a method to create biodegradable polymer microcapsules with non-spherical shapes, which can enhance targeted drug delivery. The capsules are designed using soft lithography and have shown promising results in retaining hydrophilic molecules and being internalized by cells without causing toxic effects.
A new study by Johns Hopkins Medicine researchers found that mRNA vaccines for COVID-19 may provide protection against the latest variant strains and even the common cold. The vaccine-induced T cell response was found to be effective in recognizing the spike proteins of both SARS-CoV-2 and three common cold coronaviruses.
A study by University of Surrey found that frequent internet use among older adults (55-75) was beneficial for mental health and quality of life under lockdown. Those who used the internet more frequently, particularly for communication, had lower depression scores and an enhanced quality of life.
Researchers found that Parkinson's disease patients demonstrate stable preferences for abstract art but diminished perception of movement in paintings. The study suggests that the brain's motor system interprets non-representational visual cues as abstract representations of movement, influencing aesthetic experiences.
A new study found that Aboriginal families with children suffering severe burns often struggle to pay healthcare costs and travel expenses, exacerbating existing economic hardship. The research also highlighted the importance of family networks in mitigating financial burdens, but called for improved access to government initiatives ai...
Researchers propose using exoplanet temperatures as a new method for detecting dark matter. By analyzing the effect of dark matter on exoplanet temperatures, scientists hope to gain insights into this mysterious substance. The study suggests that exoplanets could be used to detect both light and dark matter.
A pilot trial found that the 'Sit Less, Interact, Move More' intervention decreased sedentary time, increased stepping time, and boosted step counts in patients with moderate-to-advanced CKD. However, these benefits were not sustained over 20 weeks. The study suggests that additional interventions may be needed to sustain long-term eff...
Research found that childhood adversity, including parental conflict and serious injury, is associated with increased risk of mental health problems. Improving parent-child relationships and increasing child self-esteem and physical activity can help reduce this risk.
A new study found that US counties with lower income per capita and higher Republican orientation have been less likely to socially distance during the COVID-19 pandemic. The study analyzed nearly a year of cell phone location data from over 15 million users in 3,037 counties.
Research suggests that global warming caused a shift in the Earth's axis due to glacial melting and changes in land water storage. The study analyzed data from the Gravity Recovery and Climate Experiment (GRACE) mission, finding that water loss on land contributed significantly to the eastward change in polar drift.
A large study of hospital employees found that individuals tend to mirror the food choices of others in their social circles, influencing both healthy and unhealthy eating patterns. The researchers discovered that casual acquaintances can also shape eating behavior, with peer pressure being a key factor.
Researchers identified two distinct types of uncertainty affecting human anticipatory behavior: whether an event will occur and when it will happen. The brain dynamically adjusts its readiness to respond based on separate probability estimates of these two uncertainties, allowing for more accurate predictions in real-time.
Repetitive sequences on the Y chromosome in male fruit flies become more active and toxic as males age, leading to a shorter lifespan. This study suggests that these repeat sequences can impair memory and cause DNA damage.
A new study by University of Oregon researchers reveals that higher theory of mind leads to increased advertising skepticism and reduced attitudes toward products. Transparency in advertising is also crucial in preventing consumer skepticism.
Researchers found biliverdin and bilirubin, natural molecules present in the body, can suppress antibody binding to SARS-CoV-2. This discovery may help explain why some COVID-19 patients become severely ill despite having high levels of antibodies against the virus.
Researchers found that a shorter 'linker' on CAR T cells improves their response to B-cell acute lymphoblastic leukemia. The study suggests that modifying the length of linkers can improve CAR T cell function and overcome current limitations.
A new legal framework for traffic enforcement, proposed by University of Arkansas law professor Jordan Blair Woods, separates traffic laws from critical police functions. This would delegate most traffic enforcement to newly created traffic agencies, reducing racial and economic injustice in stops.
Scientists at the University of Leeds have created a material that mimics human cartilage, providing shock-absorbing and lubrication properties. The new material has shown great potential in engineering, particularly in bearings, and could challenge traditional oil-lubricated systems.
Victoria Blaho, Ph.D., assistant professor at Sanford Burnham Prebys, received the first-ever Lina M. Obeid Award for her work on sphingolipids and their role in immune function, cancer, neurodegeneration, metabolic disorders, and cardiovascular disease.
Researchers designed and built two-dimensional arrays of closely packed micro-lasers that achieve power density orders of magnitude higher, paving the way for improved lasers, high-speed computing, and optical communications. The breakthrough enables single-mode lasing with enhanced emission power and increased coherence.
The PICOCRYPT project guarantees the integrity, privacy and effectiveness of computation on data stored in the cloud. Cryptographic techniques will be used to solve problems related to espionage and incorrect results.
A small proportion of women with anti-estrogen treatment after breast cancer surgery have worse outcomes due to mutations in the estrogen receptor gene. Research found that 1% of breast cancer cases already at initial diagnosis have these resistant mutations, leading to poorer response to hormonal treatment and higher risk of recurrence.
A study of nearly five million live births found that babies born to mothers diagnosed with cannabis use disorders at delivery were more likely to experience negative health outcomes. Infants born to women with cannabis use disorders were also less likely to be hospitalized within the same year.
A recent study analyzed claims data to examine opioid use among adolescents and young adults who received their first opioid prescription. The study found that a significant proportion of this population developed opioid use disorder within three years.
A Yale University study found that pregnant women infected with COVID-19 are more likely to experience preterm births and neonatal problems due to a robust immune response in the placenta. The researchers also discovered that the virus's ACE2 receptors are present in most placentas during the first trimester, but disappear later.
Despite having clinically recovered from COVID-19, NBA players, staff, and vendors experienced persistent viral loads, indicating a high transmission risk. The study found that these individuals were more likely to transmit the virus to others, highlighting the need for continued precautions.