A team from the University of Illinois and Indiana University combined techniques to determine the structure of cyanostar, a symmetrical macrocycle that can capture negative ions. The collaboration used xMDFF and PHENIX programs to overcome challenges of disorder in the molecule.
Researchers confirm coronal heating mechanism using observations from NASA's IRIS and Japan's Hinode solar observatory. Resonant absorption process converts magnetic waves into heat energy, explaining why the sun's corona is hotter than its surface.
Tropical Depression Kilo has recently become more energetic, with heavy rainfall rates of almost 65 mm/hour detected by NASA's GPM Dual-Frequency Precipitation Radar. The depression's storm tops were also found to be very tall, measuring over 15.4 km altitude.
Researchers have discovered a new mechanism by which bacteria can develop resistance to antibiotics, called retromutagenesis. This process involves mutations occurring in RNA first, allowing cells to grow and replicate before subsequent DNA mutations can take effect.
The 12th tropical depression of the 2015 Eastern Pacific hurricane season was born on August 25, 2015. NASA's Terra satellite gathered infrared data revealing a circulation center with maximum sustained winds near 35 mph, located approximately 1,610 miles east-southeast of Hilo, Hawaii.
A recent study found that Florida homeowners waste a significant amount of fresh water on their lawns, with some using as much as 64% or more. The main barriers to conservation are a lack of knowledge and pressure from Home Owner's Associations (HOAs) to maintain perfect lawns.
Researchers studied bats and rodents to identify characteristics of cross-species virus transmission. They found that viruses pass more easily between bat species than rodent species, with unique bat traits like gregariousness facilitating transmission.
A new minimally invasive vaccine combines cancer cells with immune-enhancing factors, evoking an immune response in a simpler and more economical way. The approach has shown promising results in experimental animal models, shrinking tumors and protecting animals from tumor growth.
A recent study at Washington University School of Medicine found that quitting smoking after a heart attack leads to immediate improvements in chest pain, daily life, and mental health. The benefits became apparent as little as one month after quitting, with more pronounced effects after a year.
A team of researchers has sequenced nearly two-thirds of barley's genes, revealing new insights into the grain's DNA and its applications in wheat and other food sources. The advancements will aid in precision plant breeding by identifying specific markers for traits like malting quality and stem rust resistance.
A new study led by UCSF researchers found that individuals with higher blood levels of growth factor proteins GDF11 and myostatin have a lower risk of cardiovascular problems and death from these events. This association suggests the possibility of using drugs to increase GDF11 levels as a treatment for heart disease.
Studies find HIV-infected women receive inadequate prenatal care, resulting in low viral suppression rates at delivery. Women connected to care soon after delivery are more likely to remain in care and achieve viral suppression.
A University of Washington biologist has spotted a rare nautilus species, Allonautilus scrobiculatus, for the first time in three decades. The sighting highlights the need for conservation efforts to protect this ancient lineage from illegal fishing practices and potential extinction.
A new MRI study found that having the opportunity to learn from failure can turn it into a positive experience. The study showed that certain circumstances can prompt the brain's reward mechanism instead of avoidance learning, leading to improved understanding and behavior.
A team of researchers, led by Dr. Nicole Fogarty, will investigate why hybrid corals are thriving while their parental species decline, with potential implications for saving the staghorn and elkhorn corals.
Researchers found that quitting smoking within a year after a heart attack can lead to similar levels of chest pain and mental health as non-smokers. Smokers who continued to smoke after a heart attack had the worst health status of the four groups, with increased odds of having chest pain.
Researchers have identified a key feature of the Alzheimer's disease-causing Amyloid beta molecule using laser light and fat-coated silver nanoparticles. The study suggests that designing a drug molecule to attack this specific shape could lead to a breakthrough in Alzheimer's treatment.
Researchers successfully fabricated stable and large gratings in single layer graphene, enabling the study of massive objects' quantum mechanical nature. The team's achievement reduces material thickness to the ultimate limit, increasing interaction time between molecules and masks.
Scientists have discovered a new virus in seals that is closely related to human hepatitis A virus, raising concerns about the emergence of hepatitis A. The researchers found the virus in harbor seals off the coast of New England and suggest it may be present in other wildlife species.
Researchers at the University of Zurich have discovered that an overproduction of E. coli bacteria is triggered by the availability of sialic acid, leading to intestinal inflammation. A sialidase inhibitor can prevent excessive E. coli formation and alleviate disease symptoms.
Researchers have created an algorithm that can efficiently search for the laws underlying complex dynamical systems, including biological processes. The algorithm, dubbed 'Sir Issac', was tested on artificial and real-world systems, demonstrating its ability to infer universal gravitational force and model chemical transformations.
A team of researchers from Pitt, Drexel, and NIH found that the Ebola virus can survive in detectable concentrations in wastewater for at least a week or longer. The study suggests that procedures for disposing of contaminated liquid waste might underestimate the virus' ability to persist.
A genetic study found an association between reduced vitamin D levels and increased risk of multiple sclerosis. The study, published in PLOS Medicine, used a Mendelian randomization approach to examine the link between genetically lowered vitamin D levels and susceptibility to multiple sclerosis.
A study published in Vision Research found that amblyopia, or 'lazy eye,' alters the brain's visual pathways, making it harder for the brain to adapt to using the weaker eye. The research suggests a potential new approach for treating vision disorders, including adults.
A pilot study aims to address the national crisis in children's oral health by providing support for parents to prevent tooth decay in their toddlers. The study will develop an intervention that links a dental nurse with young mothers, offering them guidance and materials to protect their child's teeth.
A new assessment tool, KSPHI, measures physical traits associated with Klinefelter syndrome, linking them to psychosocial function in children. The study found that boys with more physical traits reported worse quality of life, highlighting the need for early intervention and hormonal therapy.
A new study published in Restorative Neurology and Neuroscience reports that mental visual imagery training can improve autobiographical memory and episodic future thinking in relapsing-remitting multiple sclerosis patients, leading to better daily functioning and a greater sense of self-confidence.
A recent study investigates how blind individuals characterize others by race, revealing a slower and less automatic process than sighted individuals. Blind participants categorized fewer people by race due to the slower pace of assigning race, which typically occurs with extensive interactions rather than casual encounters.
A Baylor University study of 146 countries found that greater gender equality in employment corresponds with higher overall homicide rates. The research suggests that cultural measures of equality, such as respect for women's rights, are tied to lower homicide rates.
A recent study by H. Lee Moffitt Cancer Center researchers found a significantly higher frequency of BRCA mutations in young black women with breast cancer, particularly among those under 50. This discovery may contribute to the disparity in aggressive breast cancer rates among black women compared to non-Hispanic white women.
A mathematical model shows that using one dose of the oral cholera vaccine can prevent more cases and save more lives than the recommended two doses, especially in crisis situations. The study found that a single dose could protect more people in the long run and improve herd immunity.
A NIHR-funded study has found that repositioning patients after the Valsalva manoeuvre significantly increases its success rate in treating supraventricular tachycardia. The modified technique improved heart rhythm return rates from 17.5% to 43.5%, offering a cost-free and comfortable option for patients.
A computer game was used to investigate how people respond to audiovisual distractions, finding that age didn't affect susceptibility. The game helped researchers collect data on attention and learning from irrelevant sounds, with potential applications as a training tool.
A new statistical approach, called Oscope, identifies oscillating genes in single-cell RNA-sequencing experiments by examining cells from an unsynchronized population. The technique captures one base cycle of each group of cyclic genes, offering a practical way to profile distinct groups of genes that play a cyclical role.
A £6.65 million grant will support a programme at the University of Liverpool and University College London to design and test new materials at the atomic level. The project aims to address challenges in sustainable energy production, battery technologies, and solar energy efficiency.
A new study by Aarhus University found that women undergoing fertility treatment can achieve similar pregnancy rates without daily hormonal vaginal gel, instead receiving a small injection of pregnancy-stimulating hormone HCG. This more natural treatment option reduces discomfort and side effects, providing a patient-friendly alternative.
A recent study by Allina Health found that inpatient palliative care visits improved quality of life and symptom burden for heart failure patients. The research identified key actions taken by PC providers to create positive outcomes among study patients.
A study published in Resuscitation found that paramedic care delivered on-scene for 10-35 minutes is associated with improved survival rates in pediatric patients. The optimal time range for this benefit was found to be between 10 and 35 minutes, with longer times not resulting in better outcomes.
A new additive manufacturing technique prints molten glass at high temperatures to produce strong, optically transparent glass objects. The modular printer allows for customization of the printed glass parts, opening up opportunities for high-value applications in industries such as aerospace.
Researchers develop an antigen-sensitive hydrogel integrated into a small wireless sensor to detect early surgical site infections in orthopedic implants. The test has the potential to guide therapy, improve outcomes and reduce readmissions and costs associated with implant-related infections.
Researchers report brown widow spider discovery in Tahiti and Cook Islands, but caution against alarm. The non-aggressive nature of the spider and a natural control agent make it less of a concern.
Research at Michigan State University suggests that using smartphones to alleviate depression can have negative effects. Lead authors argue that face-to-face interaction is a more effective antidote to problematic mobile phone use.
A handheld device called MouthLab tracks vital signs such as blood pressure, breathing rate, and heart rate by analyzing data from a mouthpiece and thumb pad sensor. The device has shown promising results in studies, with its measurements matching those taken with standard hospital monitors.
Danny degenerated into an elongated area of low pressure near the Windward Islands, producing 2-4 inches of rain over several islands. A second low-pressure system is developing in the eastern Atlantic Ocean, with potential for tropical depression or storm formation
A study by Indiana University researchers finds that women working in highly male-dominated occupations exhibit less healthy cortisol patterns due to exposure to negative workplace climates. This can lead to vulnerability to disease and mortality through chronic stress exposure.
Tropical Depression Danny was already affecting the Leeward Islands when NASA's Terra satellite passed overhead. The storm is expected to produce heavy rainfall over several islands in the region.
Researchers at the University of Missouri found that resveratrol simultaneously increases and decreases dog's immune systems, leading to mixed signals. The study aims to better understand how this chemical affects human diseases, potentially leading to valuable treatments like cancer therapy.
Researchers found that tumour pericytes manipulate the tumour environment to help cancer cells escape immune surveillance. Increasing pericyte numbers could potentially decrease IL-6 expression and improve cytotoxic T-cell activity.
Smoke from western fires mixes with atmospheric particles to obscure landmasses in eastern states, altering sunset colors. Residents notice increased reddish hues due to filtering of shorter wavelength light by smaller smoke particles.
A study compared the population dynamics of MERS-CoV and SARS-CoV infections, finding that MERS-CoV predominantly affects males with multiple chronic conditions. This research highlights key differences between the two diseases, including mortality rates and transmission patterns.
Research reveals that women outnumber men in 7 medical specialties, with the highest representation in pediatrics and obstetrics/gynecology. However, significant disparities remain in black and Hispanic trainee numbers compared to the U.S. population.
A recent study by University of Kansas researchers found that darker skin color negatively impacts male immigrants' employment chances, particularly for Asian males. In contrast, female immigrants face different outcomes, with lighter or darker skin not affecting their job prospects.
A review article highlights barriers to overcome in CAR T cell therapy for lymphoma, including physical barriers and immunosuppression. The study explores factors related to tumor biology and immunology compared to treatment response in patients with lymphoma.
A study found that fertility concerns led a third of young women with breast cancer to decline or discontinue tamoxifen. The study also showed that a quarter of women who started tamoxifen stopped taking it before the recommended treatment period ended.
Researchers have discovered how zebrafish rebuild their skeleton after losing parts of their fins. A critical enzyme called Cyp26b1 helps to regulate retinoic acid levels, allowing osteoblasts to revert and form new bone tissue. The regeneration process relies on a complex navigation system involving signaling proteins and cell types.
Researchers at the University of Texas Health Science Center have identified a new electrical mechanism that controls molecular switches regulating cell growth. The study focuses on K-Ras mutations found in 20% of human cancers, which can lead to uncontrolled cell division and cancer.
Scientists discovered that the end of the Snowball Earth period was marked by regular ice advances and retreats, contrary to previous thought. The constant changes were caused by the Earth wobbling on its axis, leading to subtle shifts in climate change.
A new study by Derek A. Kreager found that girls who have sex experience a 45% decrease in peer acceptance, while those who 'make out' without sex see a 25% increase. In contrast, boys who engage in casual sex gain friendships, but those who 'make out' lose them.
Researchers discovered that a promising class of cancer drugs can lead to memory loss in mice due to molecular changes in the brain. The findings suggest the potential risks of these therapies and highlight the need for further investigation into their brain effects.
The European Society for Medical Oncology (ESMO) announced the award of its esteemed prizes to three exceptional medical oncologists: Nathan Cherny, Nagahiro Saijo, and Cornelis Punt. These pioneers have made groundbreaking contributions to palliative care integration, medical oncology in Asia, and immunotherapy approaches.