Astronomers have discovered a millisecond pulsar with a unique dual identity, shifting between X-ray and radio emission in a phenomenon never before observed. The discovery represents a long-sought intermediate phase in the life of these powerful objects, offering a rare opportunity to study a pulsar's magnetic field in action.
A long-term study has revealed that the deep Greenland Sea is warming at a rate ten times higher than the global ocean, with potential consequences for European climate. The warming is caused by changes in the interplay of two processes: cooling from above and warming from below.
The Clinical Genome Resource (ClinGen) aims to develop a framework for evaluating genomic variants relevant to disease and patient care. The grants will support the development of standards formats for data deposition and analysis, as well as categorization of clinical relevance for variants.
A UA-led international collaboration studies how microbes release greenhouse gases as they access nutrients in thawing permafrost soils. The team aims to explain the relationships between microbial processes and climate change, with potential implications for solving the 'big biology problem' in climate change.
Researchers developed a new method to treat medulloblastoma by disrupting cancer stem cells, halting their ability to proliferate. The approach shows promise in preventing tumor progression and overcoming resistance to therapy, offering hope for patients with this highly malignant cancer.
Astronomers are closer to understanding the formation of planetary nebulas after discovering a star in the southern sky with a strong magnetic field. The 'blooming' star is creating a jet of charged particles that glow with radio waves, and researchers believe the magnetic field may play a key role in shaping its symmetrical jets.
A new large animal model was developed to study immune responses to H. pylori, a leading cause of peptic ulcers. The pig model showed an increase in pro-inflammatory CD4+ T helper cells and cytotoxic T cells, mirroring recent human clinical studies.
Research shows that genetic factors and dietary choices interact to shape the microbiome in the host intestine. This combination determines the presence and activity of specific microbes, which can affect digestive health and increase the risk for conditions like Crohn's disease.
Researchers found that pravastatin impaired learning and recognition memory in rats, while atorvostatin showed no adverse effects. The study suggests chronic treatment with pravastatin may cause cognitive impairment, but further studies are needed to confirm this.
A new study presented at ASTRO's Annual Meeting has identified the Common-Terminology-Criteria-for-Adverse Events (CTCAE) scale as a reliable method for assessing patient reactions to radiation therapy. The study found that using this standardized scale improved consistency among caregivers, enabling more uniform and effective care.
A study has identified 114 genes on the X chromosome that have escaped silencing, including 76 previously unknown. These genes are often associated with mental impairment and may hold clues to better management of XXX syndrome.
Radiation oncologists face higher workloads and decreased confidence when treating unfamiliar cases, as shown in a UNC study. The researchers used NASA-TLX to measure perceived workload and found that performance decreased with longer completion times.
The American Chemical Society's annual survey shows that salaries and employment for chemists are improving, with full-time jobs reaching a five-year high and median salaries increasing. However, disparities persist, including lower earnings for women and regional differences in job opportunities.
A new study suggests that dams in the Columbia River basin provide ecological and engineering resilience to climate change impacts. Reservoir management counteracts effects of shifting peak snowmelt runoff, making downstream impacts negligible.
Researchers analyzed tweets from eight national newspapers across the US, UK, Spain, Brazil, and Germany to study global news reading habits. They found that different countries have stronger preferences for specific types of articles, such as opinion and world news in the US and Britain, and local and national news in Spain.
A team of Stanford engineers has built a basic computer using carbon nanotubes, demonstrating their potential as a successor to silicon chips. The achievement showcases the efficiency and low-power switching capabilities of CNTs, which could lead to smaller, faster, and cheaper electronic devices.
Researchers have developed nanoparticles that can protect vaccines from being cleared by the lungs, allowing them to generate a strong immune response in both the lungs and distant mucosal surfaces. The technology has shown promise in preventing infections such as influenza and HIV, as well as delivering cancer vaccines.
Researchers from the University of California, San Diego have developed a miniature camera system that achieves optical performance comparable to full-size wide-angle lenses. The system uses monocentric lenses made of concentric glass shells to produce wide-angle images with high resolution and minimal distortions.
A team of astronomers has identified a pulsar that switches between emitting X-rays and radio waves, offering the first direct evidence of one kind of pulsar transforming into another. This phenomenon was observed in a small cluster of stars 18,000 light-years away in the constellation Sagittarius.
Researchers at Harvard University and MIT have successfully bound photons together to form a new type of matter, dubbed photonic molecules. This breakthrough challenges traditional understanding of light as massless particles that don't interact with each other.
A study published in JAMA Dermatology found over 200 mobile apps related to dermatology, but most are free with no guarantees of accuracy. Doctors advise users to use common sense and cross-reference apps with other sources before relying on them.
Researchers found that unstable chromosomes with breaks at common fragile sites are associated with a less favorable response to radiation therapy and surgery in prostate cancer patients. These abnormalities are often linked to DNA instability, which is characteristic of cancer cells.
A new study has provided hope for halting the incurable citrus greening disease by understanding its impact on trees before infection. The researchers used DNA sequencing technologies to reveal metabolic imbalances and hormonal disruptions caused by the bacterial disease.
A new 'wormlike' hematite photoanode has been developed, converting sunlight and water to clean hydrogen energy with a record-breaking efficiency of 5.3%. This achievement surpasses the previous record of 4.2% set by Prof. Michael Graetzel's research group.
Researchers found a novel hepatitis virus that was mistakenly believed to be a genuine disease-causing agent. The team used next-generation DNA sequencing and data mining to track down the true source of the contamination, which was traced back to tiny oceanic algae called diatoms.
A University of Cincinnati study analyzes 25 groundwater wells for methane and hydrocarbons, shedding light on fracking's effects. The research aims to establish baseline assessments as fracking begins in the region.
Researchers have discovered a new material that combines the properties of topological insulators and superconductors, with a large energy gap and potential applications in quantum computing and spintronics. This breakthrough has significant implications for the development of next-generation electronic devices.
Researchers at TUM have developed a new family of electronic devices using carbon nanotubes, enabling rapid gas detection and low power consumption. These sensors can be integrated into food packaging to gauge freshness or built into electronic skin for robotic applications.
Researchers at MD Anderson found that intensity modulated proton therapy (IMPT) reduces the use of feeding tubes by 50% compared to standard treatment. IMPT also lowers toxicity levels and preserves quality of life outcomes in patients with head and neck cancers.
Researchers selectively bred silver foxes for friendly behavior, resulting in faster maturation, more attractive features, and changes in hormone levels that affect physical development. These findings suggest that human preference for beautiful faces may be linked to an individual's approachability and sociability.
A nationwide Feed America study revealed that one in three low-income families had difficulty affording basic household necessities. The University of Illinois Family Resiliency Center contributed to the study by conducting interviews with food-bank clients about essential household products and strategies for obtaining them.
Scientists have made breakthroughs in delivering medicines to the brain via the nose, with improved liposomes and polymers allowing for more efficient transport of active substances. The new method could lead to reduced side effects and improved treatment outcomes for patients with neurological diseases.
A new study found that prenatal cocaine exposure is associated with lower gray matter volume in key brain regions involved in emotion, reward, memory, and executive function. This can increase the likelihood of initiating substance use by up to 83.6%, highlighting the need for a long-term perspective on the risks.
Physicist Lisa Manning and her team created a model to study tissue organization during embryonic development. They found that embryonic tissue behaves like a viscoelastic liquid, with cells packed tightly together like a cage of neighbors.
Researchers developed a novel robotic camera mount and software to study plant movements across wide panoramas. The technique captures interactions between environment and plants in a single sequence, enabling the visualization of changes over time.
A new method has produced beautiful 3D models that more accurately show the complex shape and folding of chromosomes. These images reveal a truer picture of their structure, which is rarely like the X-shape, and have direct consequences for health, ageing and disease.
Australian researchers have developed a breakthrough 3D mapping system, Zebedee, which enables the creation of detailed maps of complex sites like the Leaning Tower of Pisa. The technology has been used to produce the first comprehensive 3D map of the tower's interior, capturing small details in the stairs and stonework.
A University of Calgary-led research team has discovered a gene regulatory network that controls seed 'de-greening' in canola, a major cash crop in Alberta. The breakthrough offers a solution to a long-standing problem causing millions of dollars in annual losses.
A new study published in Neurology suggests that omega-3 fatty acids may not have a protective effect on cognitive decline in older women. Despite initial hopes, the research did not find a difference between high and low levels of omega-3s in thinking skills.
Typhoon Pabuk's eye shrunk to 25 nautical miles in diameter after high clouds covered the center, reducing visibility on NASA satellite imagery. The storm is expected to remain at sea and transition into an extra-tropical storm by Sept. 27.
Researchers mapped C.diff cases in Oxfordshire and found most cases weren't hospital-borne, but rather acquired elsewhere. Restricting antibiotic use may be more effective in reducing C.diff infections than infection control measures.
Scientists found that BMAA inserts itself into neuroproteins by seizing transfer RNA, causing misfolding and aggregation. Adding extra L-Serine can prevent this process, offering a potential prevention method for ALS.
A 14-year study in the Parc National des Écrins reveals human occupation and activity from Mesolithic to Post-Medieval periods, with complex Bronze Age structures and evidence of pastoralism. The research highlights the role of climate and human activity in shaping Alpine landscapes.
A new process called 'Smart Rounds' optimizes the safety and efficacy of radiation therapy by formalizing multidisciplinary reviews at the beginning of treatment planning. This leads to safer, more individualized radiation treatment plans and better utilization of medical resources.
A new study by Duke University researchers finds that China's planned synthetic gas plants would produce massive greenhouse gas emissions, using up to 100 times the water as shale gas production. The plants' carbon dioxide emissions would be seven times higher than traditional natural gas plants and lock in high emissions for decades.
The project will provide state-of-the-art training in modern, high-quality image-guided radiotherapy, increasing productive research and improving cancer patient care. Researchers from various disciplines will benefit from the six-day workshop, lecture and exercise-based course.
A University of Illinois study found that 34% of abused women delayed leaving their homes because they were concerned about their pets. The study recommends that shelters provide resources and support for pet owners, including counseling and temporary pet care.
Researchers at the University of Illinois developed nano-antennas that can detect molecules resonating in the infrared spectrum. The antennas concentrate long-wavelength light into ultra-subwavelength volumes, enhancing detection of small materials with standard IR spectrometers.
Researchers found evidence of low atmospheric oxygen concentrations in 3.8 billion-year-old soils from South Africa, challenging previous estimates that oxygen began accumulating in the atmosphere around 2.3 billion years ago. The discovery supports a longer antiquity for oxygen-producing photosynthesis and aerobic life.
Researchers have developed a process to transform non-biodegradable plastic grocery bags into carbon nanotube membranes, offering potential solutions for environmental pollution and producing high-added value products. The innovative method uses waste plastic as a carbon source, eliminating the need for complex processes and equipment.
The Lunar Reconnaissance Orbiter Camera (LROC) has updated the coordinates of historic robotic spacecraft on the Moon, providing valuable information for planning future lunar missions. These updates will aid in the creation of an accurate lunar cartographic network, essential for human and robotic exploration.
Michigan's Medicaid expansion provides a unique blend of public and private sector approaches to health coverage, blending compassion with economic realities. The Healthy Michigan plan includes market-oriented reforms and provisions that limit the state budget impact if certain benchmarks aren't hit.
The enigmatic spider species Progradungula otwayensis has a unique web-weaving behavior, using fine fibers to catch prey. Its habitat specificity is crucial for conservation efforts, as it relies on the microclimate of old myrtle beech trees.
Limited health literacy affects patients' ability to take prescribed medications and makes it difficult for them to engage in self-care activities. Pharmacy schools are adopting health literacy as a framework for training pharmacists to be effective communicators.
The torrent frog's superior attachment abilities enable it to securely attach to extremely wet, steep, and rough surfaces. Researchers discovered that the frog uses its toes, belly, and thighs to adhere to the surface, with increased use of these areas on steeper slopes.
A technique using patient's own fat cells is an effective treatment for hard, contracted scars resulting from burns or other causes. Fat grafting led to significant improvement both from an aesthetic and functional point of view, reducing pain and increasing scar elasticity.
A new study found that elite power athletes are more likely to have the AGT 'CC' genotype, which may predispose them to improved power and strength capacity. However, the functional significance of this genetic variant remains unclear.
Scientists have developed a portable imaging system that harnesses smartphones to detect individual viruses and determine viral load. This breakthrough enables remote diagnosis and treatment monitoring in resource-limited locations.
A study published by UC San Francisco researchers found that levels of polybrominated diphenyl ethers (PBDEs) in pregnant women's blood have declined by two-thirds since the chemicals were banned in California. This decline suggests that regulations can impact people's everyday lives.
A new study at Columbia University's Mailman School of Public Health found that drivers who test positive for drugs are three times more likely to be involved in a fatal crash. The study also showed that the combination of alcohol and drugs increases the risk by 23 times, making drugged driving a critical safety issue.
Research in Missouri ponds suggests that chytrid fungus may also infect invertebrates like insects, providing a new clue to its ecology and transmission. The study found that ponds with chytrid were more similar in certain measures, indicating alternative hosts or reservoirs for the fungus.
Researchers found that a less reactive form of titanium dioxide, rutile, is easier to wash off and causes less skin damage than the more common anatase form. This discovery aims to produce safer cosmetic and pharmaceutical products.
A new drug, CMX001, has been shown to prevent a common and sometimes severe viral disease in patients receiving stem-cell transplants. The study found that patients taking the drug were 90% less likely to develop cytomegalovirus (CMV) infection than those taking a placebo.
Researchers studied brain activity in volunteers while they expected and received rewards, finding that the auditory cortex was activated during both scenarios. The findings suggest a broader role for the auditory cortex in processing expectations beyond just sound.
Highly materialistic individuals exhibit higher levels of post-traumatic stress symptoms and impulsive buying when faced with mortal threats, according to an international study. Materialism also fuels anxiety about mortality, leading to compulsive spending as a coping mechanism.
Astronomers discovered a neutron star that can transform from a radio pulsar into an X-ray pulsar and back again, with its behavior fueled by a nearby companion star. The unusual behavior provides new insights into the birth of millisecond pulsars.
A new Indiana University study found that preterm birth is strongly linked to infant and young adult mortality, autism, and ADHD. However, it also suggests that other associated issues, such as severe mental illness and economic woes, may be related to shared family factors rather than preterm birth itself.
Researchers found new areas with high functional diversity in temperate waters, revealing a more nuanced map of global biodiversity. The study used data from volunteer divers to analyze species traits and distribution, painting a different picture than traditional species counts.
Melatonin consumption helps regulate body weight control by stimulating the appearance of 'beige fat', a type of fat cell that burns calories. Chronic melatonin administration also heightens thermogenic effect of exercise and exposure to cold.
Researchers have pinpointed the binding site that can cause increased spreading of breast cancer cells, leading to metastases. The study reveals a new biomarker for breast cancer diagnosis and treatment, with potential for customized medicine.
Cancer researchers at UC San Diego isolated and characterized early-stage prostate cancer cells, which may drive recurrent disease. The study suggests that these cells could be targeted for new treatments, potentially reducing cancer progression.