The study reveals indium atoms are randomly distributed in low-indium content InGaN and partially phase-separate in higher-indium content material. The findings advance understanding of atomic microstructure and its effect on LED performance, enabling future research to optimize compositional fluctuations.
Researchers have optimized a second-year physics project to effectively double its capacity to correct errors in quantum machines. The simple yet ingenious change has been adopted by Amazon's quantum computing program and Yale University, enabling a shorter timeline for achieving scalable quantum computation.
A study published in Obstetrics and Gynecology found that residents in majority-Black neighborhoods experience higher rates of severe pregnancy-related health problems. Neighborhood-level public health interventions may be necessary to lower these rates.
A new study found that respiratory diseases increased by nearly a quarter in Iceland following the Holuhraun lava eruption in 2014-2015. The research highlights the need for decision-makers to prepare for health issues associated with returning emissions from volcanic eruptions.
Researchers developed a technique that can examine how different versions of histones bind to DNA in tens of thousands of individual cells simultaneously. This allows for the study of epigenetics at a single-cell level in complex tissues like the brain.
Researchers at Osaka University identify HPnc4160 as a key regulator of Helicobacter pylori adaptation to the human stomach. The study found that strains with lower levels of this molecule are more infectious and produce higher levels of CagA, an oncoprotein linked to cancer development.
Researchers have found that prehistoric Pacific Coast people employed various dietary solutions to balance their diet and avoid 'salmon starvation'. They offset stored salmon protein with acorns, root crops like camas, and fat-heavy fish, and traded or processed bone marrow from caribou and elk.
A study by NYU College of Dentistry and Weill Cornell Medicine found that older adults with more harmful than healthy bacteria in their gums are more likely to have evidence for amyloid beta, a key biomarker for Alzheimer's disease. The researchers suggest that high levels of 'good' bacteria may be protective against Alzheimer's.
A 34-year climate study reveals that decreased wind speed is associated with delayed onset of annual leaf drop, extending favorable growth conditions later into autumn. The authors suggest that reduced soil drying due to decreased winds may be a key factor in this phenomenon.
Researchers have identified a genetic risk gene relevant to childhood OCD, which could help improve treatment options and diagnose youth earlier. The study used saliva samples from over 5,000 children and youth, comparing them to participant responses on obsessive-compulsive traits.
A new caddisfly species, Potamophylax coronavirus, was discovered in a national park in Kosovo and described in the Biodiversity Data Journal. The study highlights the impact of pollution and habitat degradation on freshwater organisms in the region.
Researchers at UHN have developed a deep learning model that can significantly improve long-term survival and quality of life for liver transplant recipients. The model is based on a large dataset from the Scientific Registry of Transplant Recipients and has been validated using a local dataset from UHN's Ajmera Transplant Centre.
A nationally representative survey found that over 40% of US adults aged 50-80 trust online reviews almost as much as family or friend recommendations when selecting a physician. Factors such as insurance acceptance and race/ethnicity were more influential, with online reviews ranking ninth in importance.
Researchers at the University of Tsukuba found that exercise regimen reduced liver steatosis by 9.5%, liver stiffness by 6.8%, and FibroScan-AST Score by 16.4%. Exercise preserved muscle mass, independent of weight loss, and induced anti-inflammatory responses.
A new study by UMD-led researchers reveals that road salts and human sources are threatening the world's freshwater supplies, releasing toxic chemical cocktails that can poison drinking water and harm human health. The study calls for coordinated management and regulation to address this growing global threat.
Thick sea-ice outside fjords increases their sensitivity to warming, contrary to expectations. Warmer surface water temperatures can contribute to faster melting of glaciers and changing biogeochemistry in the fjord waters.
A Marshall University researcher has received a $400K NIH grant to investigate sex-dependent interactions in brain cell development, aiming to develop targeted therapies for individuals with autism and schizophrenia. The research will uncover novel roles of sex and hormones in brain development, shedding light on neurological dysfunction.
A Cretaceous beetle fossil, named Pelretes vivificus, has been found to have fed on pollen from early flowering plants, providing conclusive evidence of the intimate association between ancient pollinators and angiosperms. The discovery sheds light on the origin of this mutualistic relationship.
Researchers discovered that deep-sea bacteria dissolve carbon-containing rocks, releasing excess carbon into the ocean and atmosphere. This process allows scientists to better estimate Earth's carbon budget, a key driver of global warming.
A study by Samuel Preston and Yana Vierboom compared age-specific mortality rates between the US and European regions. The US experienced 13.02 million years of life lost to excess mortality in 2017, a 64.9% increase since 2000.
Research led by Prof. Ping Huang found that the ENSO-Indian summer monsoon rainfall relationship has been strengthening since 1999/2000, driven by tropical Atlantic SST anomalies. This restoration of the relationship improves climate prediction and restores confidence in physical process-based predictions.
Scientists are searching for sunken treasure that holds key to protecting Texas' Gulf shoreline from storms and rising seas. They will create a high-resolution seismic map of ancient river valleys to estimate volume and quality of sand.
Women with bulimia nervosa performed worse on a task requiring self-control when stressed, but not those with anorexia nervosa. Brain activity differences were observed between the two groups when stressed, with women with bulimia showing impaired pre-emptive slowing down.
Researchers at UConn used ultrafast lasers to measure the interaction between helium atoms, discovering that bubbles can enhance energy transfer. This finding has significant implications for understanding how living tissues react to radiation exposure.
Researchers at Ben-Gurion University of the Negev have identified new drug candidates based on molecules isolated from probiotic Kefir yogurt. The molecules were found to disrupt cell-cell communication in pathogenic bacteria, offering a promising approach against antibiotic-resistant infections.
A large US study found that critically ill COVID-19 patients treated with extracorporeal membrane oxygenation (ECMO) have a significantly lower risk of death compared to initial studies. The study analyzed outcomes of over 11,000 patients and found that ECMO treatment resulted in an overall in-hospital mortality rate of 45.9%.
A study found that test-optional admissions policies at selective private institutions led to a 3-4% increase in Pell Grant recipients, a 10-12% increase in first-time Black, Latinx, and Native students, and a 6-8% increase in women enrollment. However, these gains were relatively small compared to the overall student body.
During the pandemic, a Baylor University study found that managers should talk less and listen more to employees. The researchers emphasized the importance of protecting confidentiality and building trust through empathetic listening.
Researchers from MD Anderson Cancer Center present promising results on RET fusion-positive cancers, HGG, LGG, and ovarian cancer. The FDA-approved selpercatinib shows clinical benefits in preventing or inhibiting tumor growth beyond lung and thyroid cancers.
A recent study by Yale Cancer Center reveals that young patients with early-onset colorectal cancer (under age 50) have a better survival rate than those diagnosed at older ages. After adjusting for stage at diagnosis, these patients had a 5% lower risk of death compared to those diagnosed between 51-55 years old.
Research highlights human-induced drying trend in Central Asia since 1950s, linked to climate change and air pollution. Enhanced greenhouse gas emissions shift subtropical westerly jet, leading to descending motion and drought.
A new study reveals inconsistencies between satellite and ground-based radar data on cloud top height, highlighting the importance of surface temperature in these discrepancies. The Tibet Plateau proved an ideal location for this research, providing high elevation and sparse weather reporting stations.,
A comprehensive analysis of 80 scientific studies found a 'window of impairment' of 3-10 hours caused by moderate to high doses of THC. Impairment duration varies depending on dose, method of consumption, and user's regularity., The study suggests that laws should focus on safety on the roads rather than arbitrary punishment.
Researchers at Yale Cancer Center discovered that acquired resistance to immune checkpoint inhibitors is linked to reduced MHC-II molecule expression and increased tumor hypoxia. Combining immune checkpoint inhibitors with anti-hypoxia agents can slow the development of resistance.
Centrifugal multispinning technique offers safer and cost-effective mass production of high-performance polymer nanofibers. Researchers successfully fabricate face masks with comparable filtration performance to existing KF80 and KF94 masks.
A recent study found that students attending high-surveillance schools are more likely to be subjected to in-school suspension, have lower math achievement, and are less likely to attend college. Additionally, black students are four times more likely to attend a high-surveillance school.
Researchers at Yale Cancer Center have advanced a tumor-targeting and cell penetrating antibody that can deliver payloads to stimulate an immune response against melanoma. The study achieved almost complete tumor suppression in mice with melanoma tumors following intravenous injection of antibody/RNA complexes.
A new study by Oregon State University suggests that policy decisions will have a greater impact on coastal communities' risk than climate change. The researchers used a modeling platform to analyze the effects of flooding and erosion on buildings, infrastructure, and beach accessibility through the 21st century.
An international team of scientists has discovered the spectral signatures of almost 1000 atmospheric molecules that could be related to phosphine production. The study provides a novel approach to follow up potential biosignatures and will aid in the detection of life on exoplanets as more powerful telescopes come online.
A new study has found that inhibiting a protein called SELP can block the spread of Glioblastoma cancer cells in the brain. By doing so, the treatment may be able to slow down or even halt the progression of this deadly type of brain cancer.
Research suggests that gifted programs have a small positive impact on average student achievement in reading and math. However, Black and low-income students do not experience the same academic gains as their peers, casting doubt on the effectiveness of these programs in addressing inequities.
Teachers reported a significant decline in student preparedness for the next grade level, with only 50% of students meeting skills needed after schools reopened. Teachers also spent more time reviewing material and reported larger achievement gaps in reading and math, but fewer provided additional intervention.
Researchers from the University of Calabria developed a predictive control scheme that can identify and protect against replay attacks in distributed networks. The approach uses a 'receding horizon' model to predict future system behavior and detect unexpected events, allowing for swift protection against malicious actors.
Kindergarten children with externalizing problem behaviors are at high risk of being frequently bullied later in 3rd-5th grades. Academic achievement and behavioral self-regulation may slightly lower this risk, particularly for girls.
Researchers have developed a new chimeric antigen receptor (CAR) T cell immunotherapy that targets both CD19 and CD20 proteins, achieving complete metabolic responses in four out of five patients with relapsed or refractory B-cell lymphoma. The approach minimizes treatment resistance and prevents relapse by recognizing multiple targets.
The new biosensor, AuxSen, enables scientists to observe spatial and temporal redistribution dynamics of auxin in plants, revealing rapid uptake and slower export. It also shows rapid auxin redistribution after root tip rotation, a response not previously measurable.
Research shows that student-college match has become an increasingly important predictor of student success in recent years. Overmatched students' graduation rates have improved substantially over time, while undermatched students' rates have remained stable.
A personalized cancer vaccine developed using a computational platform raised no safety concerns and showed potential benefit in patients with high-risk cancer recurrences. The vaccine was well-tolerated, with minor injection-site reactions, and demonstrated early potential benefits after administration.
Researchers at Dana-Farber Cancer Institute found that patients with non-small cell lung cancer and low aneuploidy levels tend to have better outcomes following treatment with immune checkpoint inhibitors. These findings suggest that aneuploidy testing can help determine which treatment is most likely to benefit patients.
Researchers have developed a new search engine, DIAMOND, that enables fast and accurate comparison of protein sequences across species. With an 80- to 360-fold computational speedup compared to BLAST, DIAMOND is poised to revolutionize comparative genomics research and enable the analysis of millions of eukaryotic genomes.
Research from Queen Mary University of London reveals that chemotherapy activates immune cells within the tumor microenvironment to fight against cancer. Macrophages switched from pro-tumour to anti-tumour mode after chemotherapy, stimulating patient's immune response and potentially improving survival outcomes.
Mutant KRAS and p53, the most frequently mutated genes in pancreatic cancer, work together through CREB1 to drive tumor growth and metastasis. Blocking CREB1 reversed these effects and reduced metastases, suggesting a promising new therapeutic target for this deadly cancer.
The KATRIN experiment has successfully narrowed the search for sterile neutrinos by ruling out certain mass and mixing ratio ranges. The results confirm that the neutrino mass is less than 1 electron volt, but leave room for a lighter type of sterile neutrino.
Researchers from Tokyo Metropolitan University developed a new quantity to measure the dimensionality of thermoelectric nanomaterials. This metric varies differently with conductivity for 1D, 2D, and 3D systems, providing clear distinctions in how it changes, agreement with theoretical predictions.
Researchers found that CD40 agonist treatment before surgery improved T cell attack on tumors, with 82% of treated tumors being T-cell enriched. The treatment also reduced tumor-associated fibrosis and enhanced dendritic cells' maturity. Disease-free survival was 13.8 months, with median overall survival at 23.4 months.
Late school start times are linked to higher grade point averages and higher proportions of students getting the recommended number of hours of sleep. Students in districts with delayed start times reported a small but significant increase in GPAs, ranging from 0.10 to 0.17 GPA points.
A Canadian Medical Association Journal analysis found 75% of adults have at least one risk factor for severe COVID-19. The study suggests considering geographic and occupational risks to refine vaccination strategies and promote equity goals.
Tumor gene profiling decreases patient acceptance of active surveillance among men with clinically similar prostate cancers and low health literacy, a new study found. The study suggests that education on prostate cancer treatment options is needed for this population.
Adriana Darielle Mejía Briscoe, a University of California, Irvine professor of ecology & evolutionary biology, has been awarded a 2021 Guggenheim Fellowship. She will conduct field research on the impacts of climate change on butterflies' visual and thermal adaptations.
A team of researchers has discovered that Jupiter's polar cap is threaded with both open and closed magnetic field lines, contradicting the long-held assumption of all lines being either open or closed. This finding reveals a complex topology of Jupiter's magnetosphere, raising new questions about its interaction with the solar wind.