A team from the University of Cambridge and the Pacific Northwest National Laboratory reported that minerals intended to entrap nuclear waste may break down within 1,400 years due to radiation. The study used NMR to show that plutonium incorporation into mineral zircon rapidly degrades its crystal structure.
A new study finds that UK and US Arab activists define themselves as members of multiple communities and express attachment to their countries of origin. They also value the rights and security offered by their adopted lands and advocate for mutual accommodation and respect between different groups.
A pivotal Phase III trial demonstrated Nexavar's efficacy and clinical benefit in patients with advanced renal cell carcinoma. The study showed a median progression-free survival of 5.5 months for patients receiving Nexavar, compared to 2.8 months for those on placebo.
Anthony Rosenzweig and European coordinator Timothy Aitman will lead a five-year, $6 million Leducq Foundation grant to investigate the intersection of heart failure and metabolic disease. The team will focus on understanding common molecular mechanisms contributing to both conditions.
Researchers have identified a unique pattern of microRNAs in pancreatic tumor tissue, suggesting a new way to diagnose and treat the disease. The findings may lead to more effective early detection and treatment of pancreatic cancer.
Researchers discovered that neutrophils can form web-like structures called NETs outside cells, composed of nucleic acid and enzymes that catch bacteria and kill them. This process is equally effective as devouring bacteria, showcasing the neutrophil's role in defense even after death.
A new automated system installs raised pavement markers (RPMs) along lane stripes while in motion, reducing risk to workers and drivers. The system is less labor-intensive, faster, and safer than manual placement, using less fuel and causing less wear on equipment.
Researchers found that a common diabetes drug prevents memory and learning problems caused by whole-brain radiation treatments in animal studies. The study suggests the drug may improve the quality of life for cancer patients receiving radiation therapy.
Researchers found that starting HIV treatment at least six months after a single dose of nevirapine during labor improves response rates. Women who started treatment sooner had reduced effectiveness of ART, while those delayed had comparable outcomes to placebo group.
A study by the University of Bristol revealed that children's packed lunches are often lacking in essential nutrients like potassium and zinc. In contrast, school meals tend to provide higher intakes of protein, vitamins, and minerals, as well as lower sugar and saturated fat content.
Researchers found that the Pacific and Indian oceans receive twice as much nitrogen fixing as previously thought, indicating a more stable global picture of nitrogen fixation than initially assumed. This discovery suggests that major fluctuations in ocean nitrogen are unlikely and may be mitigated by climate change.
Astronomers have discovered a powerful outburst from the giant black hole at the Milky Way's center using NASA's Chandra X-ray Observatory. The light echo revealed by the X-ray echo was about 1,000 times brighter and lasted well over 1,000 times longer than recent outbursts.
Research by Dr. Piers Steel reveals that perfectionism is not the root cause of procrastination, but rather a lack of confidence and expectancy. The study estimates that 15-20% of the population are procrastinators, with costs extending beyond poor work performance to financial and health implications. Steel's Temporal Motivational The...
Cambridge scientists have discovered that differences between embryonic cells appear earlier than previously thought, before the fourth cleavage of the embryo. The study suggests that manipulating epigenetic information in histone H3 can influence cell fate determination.
A University of Alberta study shows that beaver dams create suitable breeding habitats for frogs and toads, with approximately 5,000 species recorded at 54 beaver ponds. The beavers' presence enhances the development and growth rates of frog and toad larvae.
The International Association of National Public Health Institutes (IANPHI) will strengthen public health infrastructure globally, focusing on low-resource countries. The grant enables IANPHI to establish a peer-assistance model for developing national public health institutes.
Inadequate treatment of mental illness and addiction in the community contributes to rising incarceration rates. Effective therapy like mental health services and substance abuse programs can reduce recidivism. Physicians are urged to campaign for humane treatment alternatives.
Researchers used Hubble Space Telescope to reveal a large elliptical galaxy with hundreds of globular clusters at an unprecedented 1 billion light-year distance. The discovery provides insights into the age, origin, and evolution of these clusters.
Researchers at Bradley Hospital and Brown Medical School found that individuals with BDD who have weight concerns experience more overall areas of body image concern, poorer social functioning, and higher levels of comorbidity. Weight-related preoccupations in BDD sufferers are associated with even higher levels of distress and impairm...
New research suggests that taking prescribed medications like statins and beta-blockers following a heart attack is associated with longer survival. Adherence to these medications was found to be linked to improved mortality outcomes, with the strongest association observed for patients who took their medication as prescribed.
A study published in Nature Immunology reveals that lymph node cells instruct immune system cells to leave healthy tissue alone, protecting the small intestine from attack. This finding may lead to new forms of treatment for autoimmune diseases such as Type 1 diabetes and multiple sclerosis.
A team of astronomers has solved the long-standing mystery of Kepler's supernova remnant using Chandra's latest image, revealing it as a Type Ia supernova. The discovery sheds light on how stars can end catastrophically and expands our understanding of the universe.
A new study reveals that birds with larger brains relative to their body size have a lower mortality rate than those with smaller brains. The research supports the cognitive buffer hypothesis, which suggests that large brains enable animals to better cope with environmental challenges such as climate change and habitat destruction.
A study published in the European Heart Journal found that adding milk to black tea completely negates its ability to relax and expand blood vessels. The researchers suggest that tea drinkers consider omitting milk from their beverage some of the time.
A combination of bone marrow transplantation and gene therapy has greatly lengthened the lives of laboratory mice with Krabbé disease, a rapidly progressing neurodegenerative disorder also found in people. The dual therapy improved motor skills and increased lifespan by more than twice as long as untreated mice.
Scientists from IRB Barcelona have published a dynamic map of protein behavior, enabling the prediction of protein structures and interactions. The study, part of the MoDel project, aims to establish a 'fourth dimension' for protein structures, facilitating the design of new drugs and understanding of protein functions.
The study measures infrared light from three gas giant planets, detecting no temperature differences between their day and night sides. Temperatures appear to be uniform, around 925 degrees Celsius, due to strong winds that mix the atmosphere planetwide.
A new study published in the Journal of Periodontology found that breastfeeding mothers who consume insufficient Calcium may be at risk for increased bone loss around their teeth and gums. The research emphasizes the importance of a high-Calcium diet during lactation to promote healthy periodontal tissues.
Astronomer Nathan Smith proposes a new theory for the origin of the 1987 supernova's triple-ring nebula, suggesting that unstable blue supergiant stars, called luminous blue variables, may be responsible. Three nearby stars with similar nebulae have been discovered, contradicting the prevailing merger and red-to-blue transition explana...
A University of Georgia study found that moderate doses of caffeine reduce post-workout muscle pain by up to 48 percent in women. Caffeine works by blocking the body's receptors for adenosine, a chemical released in response to inflammation.
A new study published in PNAS shows that combining anti-angiogenic agents can increase the effectiveness of treatment for tumors and retinopathy. The therapy, which targets multiple angiogenic pathways, resulted in complete inhibition of pathological neovascularization in over 60% of treated eyes.
The January special issue of BSSA focuses on the 2004 Sumatra earthquake, which is the best recorded large earthquake in history. The study reveals that great earthquakes can occur in various types of subduction zones, not just fast and young ones.
A new study from USC reveals that better-educated older adults experience greater declines in word memory compared to their less educated peers. Researchers found that while education is consistently linked to improved cognitive performance, it may not compensate for normal age-related memory loss after 70.
The researchers found that the dust grains have a porosity of over 90%, similar to powder snow, allowing them to measure the agglomeration process of interstellar grains. This discovery provides valuable insights into the early days of our planetary system and how dust grains grow from interstellar sizes to macroscopic objects.
Researchers at the University of Illinois at Urbana-Champaign have observed a superbubble forming in the Small Magellanic Cloud, a galactic neighbor of the Milky Way. The study reveals that multiple massive stars are blowing bubbles and overlapping supernova remnants, which may eventually merge into one enormous cavity.
Two Mayo Clinic studies found no strong evidence supporting testosterone's safety from cardiovascular harm and inconsistent results regarding its impact on sexual dysfunction. The research highlights the need for large-scale trials to inform clinicians' decisions about prescribing testosterone.
The US healthcare system's increasing reliance on medical technology has driven cost growth, according to Rita Redberg. She proposes an evidence-based review process to balance innovation with value and improve patient care outcomes.
A University of Michigan study has found that forest fires release more mercury into the atmosphere than previously recognized. The research, led by Doctoral student Abir Biswas, estimates that wildfires and prescribed burns account for approximately 25 percent of human-generated mercury emissions in the United States.
A University of Missouri-Columbia researcher is using a microchip implant to help blind animals and potentially humans with retinal blindness. The preliminary results are promising, and the technology may also benefit pets with similar diseases.
A Rutgers-Camden research team, led by Heike Bücking, aims to develop a better understanding of the nutrient exchange processes between fungi and agricultural environments. The project seeks to promote the use of mycorrhizal fungi as biofertilizers to reduce fertilizer pollution and improve agricultural sustainability.
Researchers at Ohio State University have discovered a new high-energy state in DNA that helps dissipate UV energy. The 'dark state', which can last for 10-150 picoseconds, is found in single nucleotides and dissolves energy through 10-50% of the time. This discovery may provide insights into DNA damage and repair mechanisms.
A research team has identified a protective gene variant that may help prevent severe kidney failure in people with diabetes. The discovery could lead to novel treatment approaches for susceptible individuals, as well as a new marker for identifying those at increased risk of future kidney disease.
A study found specific genetic alterations in the stroma of head and neck skin cancers are linked to smoking and tumor aggressiveness. The research identified key genomic regions that may harbor genes related to clinical outcome and targeted therapy.
Researchers found that 201 patients (23%) lived five years after surgery, with at least half being 65 years old or older. Of those survivors, 65% lived another five years, nearly matching the general population's survival rate.
Researchers found that different regions require varying amounts of cold to delay flowering, with some requiring as little as four weeks of cold. This discovery could help breed crops that can thrive in changing climates.
A study of the retinoblastoma gene found that it is essential for placenta development and may also contribute to miscarriages. The research used transgenic mice to disable the gene and observe its effects on embryonic development.
Researchers found that controlling sexual compatibility in self-incompatible plants like the California wild radish can help minimize their reproductive success and prevent establishment. Larger population sizes and genetic diversity also boosted reproduction, highlighting potential strategies to combat invasive plant spread.
A blood test for NT-proBNP accurately predicts the risk of heart attack, heart failure, stroke, and death in patients with known cardiovascular disease. Higher levels of NT-proBNP are associated with a greater risk of cardiovascular events or death.
A blood test for NT-proBNP could aid in risk stratification of high-risk patients with CHD, helping guide preventive therapies. The study found that higher NT-proBNP levels were associated with increased cardiovascular event rates and mortality.
By analyzing lobster fishing operations in American and Canadian waters, researchers found that reducing fishing efforts can substantially decrease entanglement risks. Implementing a 6-month lobster fishing season and decreasing trap numbers could greatly benefit the critically endangered species while providing benefits to fishermen.
Researchers at Thomas Jefferson University Hospital report a case of a seemingly healthy man who suffered from unexplained chest pain after a silent heart attack. The team discovered a subepicardial aneurysm, a rarely diagnosed complication that can be fatal if left untreated.
Recent analysis found that nutrition studies funded solely by industry were four to eight times more likely to have favorable conclusions than those with no industry funding. The study's findings suggest a pervasive bias in the field, which may have significant implications for public health and dietary guidelines.
Drezek's research focuses on developing high-resolution in situ imaging of the molecular hallmarks of breast cancer, enabling doctors to detect biomarkers without tissue removal. The grant will be used to develop microendoscope and needle-compatible fiber optic systems for various diagnostic and therapeutic applications.
A new study found congenital heart disease prevalence increased by 85% in adults and 22% in children between 1985 and 2000. Most heart defects cause blood to flow through the heart in an abnormal way or obstruct blood flow, leading to a major public health problem.
Astronomers found a trio of supermassive black holes in the Virgo constellation, 10.5 billion light-years away, with same redshift and distinct properties, raising questions about galaxy interactions and fundamental relationships between galaxies and black holes.
Researchers found that gas giants either form within the first 10 million years of a sun-like star's life or not at all. The study suggests that gas giant planets must form early in a star's history, offering insights into planet formation.
A study found that brain hemorrhages associated with warfarin increased by over tenfold in people over age 80, while the rate for all other populations quadrupled between 1988 and 1999. The increase was largely due to greater use of the drug, which is prescribed to prevent blood clots.
A new study suggests that skipping breakfast and consuming frequent fast food lead to an increased risk of weight gain in adolescents as they enter adulthood. Researchers analyzed data from over 20,000 teens and found a significant increase in both behaviors and associated weight gain during this critical period.
A UCL study found that relying on instincts rather than higher-level cognitive processes can lead to more accurate decisions. Participants who were given no time to think performed better, with accuracy rates of 95% compared to 70% when given over a second to scrutinize the image.
Researchers at UT Southwestern Medical Center developed a new approach using an inexpensive tracing agent and ultrasound to monitor the effectiveness of cancer therapies. This non-invasive method showed significant results in controlling tumor growth and predicting treatment outcomes, offering hope for more effective treatment options.