Researchers found that targeting molecular profiles of non-small-cell lung cancer with mutated cancer-causing protein KRas is the most effective treatment strategy. The study suggests that combination therapy using approved inhibitors might improve outcomes for patients with wild-type KRas tumors.
A massive landslide in a Utah copper mine generated seismic waves that were recorded by instruments over 400 km away, producing earthquake-like signals. The study found that the landslide triggered seismic activity, including small earthquakes with characteristics similar to tectonic earthquakes, in the days following the event.
Researchers discovered that mice without the Y6 gene receptor were smaller and had less lean tissue, but grew fatter as they aged on high-fat diets. The study highlights the importance of the Y6 receptor system in regulating energy use at different times of the day.
A study estimates that US tobacco control has saved 8 million premature smoking-attributable deaths, with beneficiaries gaining nearly 2 decades of life. Tobacco control efforts have also increased life expectancy by 7.8 years for men and 5.4 years for women.
Researchers at MIT developed a new algorithm that can dramatically reduce the number of operations needed to solve the max-flow problem, making it possible to tackle even huge networks. The algorithm divides each graph into clusters of well-connected nodes and focuses on bottlenecks, allowing for efficient routing.
A sugar-sweetened beverage tax could mitigate the rise in obesity and type 2 diabetes rates in India by averting millions of cases. The study estimates that a 20% SSB tax would save 11.2 million cases of overweight/obesity and 400,000 cases of type 2 diabetes between 2014 and 2023.
Researchers discovered that widespread deforestation leads to shifts in nitrogen-fixing microorganism communities, potentially reducing the Amazon's ability to lock up carbon dioxide. The findings suggest a complex relationship between land use change and microbial composition.
A study found that racism-related factors, including high levels of racial discrimination and anti-Black bias, are associated with accelerated aging in African American men. This is measured by shorter leukocyte telomere length, a biomarker linked to increased risk of premature death and chronic disease.
A study found that smoking prevalence among healthcare professionals decreased from 2003 to 2010-2011, with registered nurses showing the largest decline. Despite this, current smoking remained prevalent among healthcare professionals, particularly among licensed practical nurses, highlighting a continued need for tobacco interventions.
A recent study at Mayo Clinic suggests that certain types of fractures in children may be linked to lower bone strength and a higher risk of osteoporotic fractures later in life. The study found that children with mild-trauma distal forearm fractures had weaker bones compared to those with moderate trauma or no fractures.
A new study published in the Proceedings of the National Academy of Sciences found that colorful or noticeable food packages predispose people to look and choose certain options. Visual attractiveness influences where people look, with a ratio of 1:3 compared to consumer preferences, and plays a significant role in decision-making.
A new study published in the American Journal of Preventive Medicine found that beliefs about e-cigarettes' safety may increase experimentation rates among young adults. Researchers surveyed 1379 participants and found that those who believed e-cigarettes were less harmful or a quit-smoking aid were more likely to try them.
A team of researchers used a statistical network analysis to examine recurring characters in the Icelandic sagas and found connections to modern comic book franchises. The study reveals that the properties of these social networks are remarkably similar to those of real-world societies.
Students used a privately owned telescope to observe and photograph asteroids 3905 Doppler, orbiting two smaller rocky bodies that block each other's light. The discovery provides an unprecedented opportunity to learn about the physical properties and orbital evolution of these objects.
New research extends our understanding of seawater chemistry by ~300 million years with direct measurements of mid-Neoproterozoic marine sulfate concentrations. Additionally, studies reveal spatial variation in 10Be erosion rates and increasing relief in the southern Rocky Mountains, USA.
A study found that 50 years of tobacco control efforts have added nearly 20 years to the life of eight million Americans. The researchers attributed this reduction to the 1964 Surgeon General's report and subsequent tobacco control activities.
Walter and Eliza Hall Institute researchers discovered that lymphoma cells with high levels of MYC are sensitive to disabling protein MCL-1, making it a potential target for treating cancers driven by this common cancer-causing change in cells.
A study led by Albert Einstein College of Medicine found that including at least one woman on the team organizing a scientific symposium increases female speaker proportion by 72%. This strategy can help women advance in their careers and reduce underrepresentation in senior academic positions.
A new test identified a urinary marker that differentiates street heroin users from those who have ingested morphine present in poppy seeds. This discovery addresses the 'poppy seed defense' challenge in workplace drug testing and forensic toxicology.
International team uncovers first record of dinosaurs from Saudi Arabia, featuring a sauropod and carnivorous theropod species. The discovery sheds light on the region's rare dinosaur fossil record.
A Yale study estimates that 8 million lives have been saved in the US as a result of anti-smoking measures introduced 50 years ago. The study found that these efforts have significantly reshaped public attitudes and behaviors concerning cigarettes, resulting in an estimated 157 million years of life being saved.
The study found that while global smoking prevalence decreased between 1980 and 2012, the number of cigarette smokers worldwide increased due to population growth. In 2012, the highest smoking rates were found in countries such as Russia and Indonesia, with over 50% of men smoking daily.
A new study explores global variance in tree height, identifying temperature as the most significant factor behind the tallest species. The research reveals that climates with small seasonal temperature variation support the growth of the world's nine tallest tree species.
Scientists observe enormous sunspot AR1944, two Earths wide, moving toward the sun's center. The sunspot is part of active regions that can cause space weather events, such as solar flares and coronal mass ejections.
A special focus issue on sepsis investigates the complex interplay between pathogens and host defense mechanisms that contribute to septic shock. Key findings highlight the importance of early recognition and improved therapies for managing multi-organ dysfunction.
Researchers developed a radiopharmaceutical for identifying melanoma metastases, with higher sensitivity than FDG PET/CT. The treatment, using the same molecule as both a diagnostic and therapeutic agent, showed promising survival rates for patients.
Study participants focus on a small number of network members and allocate limited communication time accordingly. These distinct patterns persist over time despite changes in the network, reflecting limitations in maintaining emotionally close relationships.
A new study reveals that including at least one woman on a convening committee increases the proportion of female speakers by as much as 74%, while reducing the likelihood of all-male sessions. The inclusion of women on these committees promotes gender equity and could have a significant impact on career advancement for women in science.
Extended varenicline treatment improved tobacco abstinence rates among individuals with serious mental illness. Participants who received varenicline and cognitive behavioral therapy for 40 weeks had three times more success maintaining abstinence than those receiving only cognitive behavioral therapy.
Researchers at NREL have discovered a new cellulose digestion mechanism using the fast-eating enzyme CelA, which outperforms commercial preparations by producing more sugars and creating cavities in cellulose for greater synergy. The discovery has important implications for industry and could lead to lower costs for biofuels production.
Dr. Ben Kroposki, NREL director of Energy Systems Integration, named an IEEE Fellow for his leadership in renewable energy systems integration. NREL analysts also received honors for their work on energy-efficient computing and data sharing.
Research found that adult nomograms for Vancomycin dosage calculations are not accurate for children over 10, highlighting the need for personalized dosing regimens. The study's authors recommend further studies to determine the most effective dosing methods for teenagers between 10 and 18 years old.
The Gemini Planet Imager has successfully captured its first light images of exoplanets, allowing scientists to study their atmospheres and characteristics in unprecedented detail. The instrument's advanced technology enables it to detect planets that are millions of times fainter than their parent stars.
A systematic review and meta-analysis found a significant link between intimate partner violence and termination of pregnancy, with rates ranging from 2.5% to 30% among women seeking termination. The study suggests that termination services may be an appropriate setting for testing interventions to reduce intimate partner violence.
Researchers at University of Nottingham discovered a potential drug to reduce osteoarthritis pain by targeting cannabinoid receptor2 (CB2), which also reduces joint inflammation. The synthetic compound JWH133 showed promise in animal models and human spinal cord tissue studies.
Researchers found an association between a person's fitness as a teenager and their risk of heart attack in later life. The more aerobically fit men were in late adolescence, the less likely they were to have a heart attack 30 or 40 years later.
A recent study by Florida State University researchers reveals the domino effect of overfishing on ecosystems, where the loss of a key species can have far-reaching and devastating consequences. The research highlights the importance of understanding key linkages among species that set up tipping points in ecosystems.
Researchers at North Carolina State University have developed a simple and effective method for removing lignin from biomass, which is difficult to break down or remove. The new technique uses protic ionic liquids to dissolve lignin, leaving cellulose behind, making biofuel production more efficient and cost-effective.
A recent study estimated human-directed aggression in UK dogs, revealing that nearly 7% exhibit aggressive behaviour when meeting people. The majority of these incidents occur in one specific situation, contradicting the common 'safe' or 'vicious' dog stereotype.
Researchers found that ants modify their thoracic segments to match the tasks they perform as adults, with worker ants having enlarged neck muscles for strength and maneuverability. Queens have distinct thorax shapes associated with strategies used to found new colonies.
A recent study published in Experimental Gerontology found that various forms of vitamin E, including tocopherols and tocotrienols, play a role in memory processes. The study revealed that higher total serum levels of vitamin E, particularly γ-tocopherol and β-tocotrienol, were associated with a reduced risk of cognitive impairment.
Researchers are monitoring air pollution levels and their impact on health using advanced methods like X-ray fluorescence spectrometry. The study aims to measure the specific chemical makeup of polluted air and its effects on human health.
Researchers found that baseball players move their heads to track pitches, making only slight adjustments with their eyes until late in the pitch trajectory. This challenges the conventional wisdom that hitters focus primarily on the ball with their eyes.
Fossil evidence reveals that ancient sharks, such as Bandringa, bred in the open ocean and spent their lives in freshwater swamps and rivers. The discovery of juvenile shark fossils alongside egg cases provides the first fossil evidence for a shark nursery that combines both juvenile and adult remains.
Researchers have discovered that indoleamine 2,3-dioxigenase (IDO) can promote inflammation in response to infection, potentially leading to new therapeutic targets. By manipulating IDO's activity, scientists may be able to fine-tune the immune response and reduce cytokine storms associated with severe infections.
Researchers found that individuals with the Met/Met genotype of the COMT gene performed better in a simulated air-defense task than those without this genotype. The study suggests that matching training to individuals based on their cognitive abilities could be more important than other factors in personnel selection.
A new qualitative study by DePaul University School of Nursing researchers found that a nonclinical care setting, referred to as 'The Living Room,' is perceived as helpful and positive for individuals in emotional distress. The program, staffed with peer counselors, provides a safe and calm space for patients to receive treatment and s...
The Gemini Planet Imager has captured its first light images, revolutionizing the field of exoplanet detection and study. The instrument's advanced adaptive optics system allows for direct imaging of faint planets, including those 1 million to 10 million times fainter than their host stars.
Researchers discovered a molecule produced during exercise that helps protect against metabolic diseases, including diabetes and heart disease. The molecule, β-aminoisobutyric acid (BAIBA), was found to increase fat cells' ability to burn calories and balance blood sugar levels.
A Massachusetts General Hospital study found that 'traffic light' food labels and strategic placement of healthy items led to lasting changes in customer choices. After two years, purchases of healthier options increased by 12%, while sugar-sweetened beverage sales dropped by 39%.
Research published in Cell Metabolism reveals that hotspots of fuel consumption in the adult brain are associated with ongoing development and remodeling. The study identifies 16 brain regions with elevated levels of aerobic glycolysis, which is linked to gene expression related to growth, synaptic transmission, and neurogenesis.
A study from the University of Illinois Chicago found that fetal exposure to BPA increases the risk for prostate cancer later in life. Human prostate tissue is susceptible to BPA, which mimics estrogen and has been linked to several cancers.
Researchers have developed a new holographic process that utilizes an image-stabilized X-ray camera to improve imaging efficiency and resolution. The method, which uses a Fresnel zone plate to increase brightness, enables the study of fast dynamic processes at the nanoscale.
A recent study by a MU researcher found that human occupation of an area may not contribute to population decline of endangered species. The study discovered a resident population of African forest elephants in an unprotected region, highlighting the importance of this habitat for conservation efforts.
Recent studies published in Geophysical Research Letters reveal the potential link between magma chamber inflation and powerful earthquakes at Kilauea Volcano. Additionally, researchers found that seal-borne sensors provide valuable data for studying ocean conditions in the Southern Ocean.
A recent study published in the Journal of Neuroscience has discovered a new player in regulating food intake and body weight, providing potential avenues for treating obesity. The research reveals that alpha2/delta-1 facilitates brain-derived neurotrophic factor (BDNF) function, which plays a critical role in appetite suppression.
Researchers created image-based mobile phone alerts connected to the Weather Research and Forecasting system to track Cyclone Phailin's progression. This alert system has the potential to save lives and property in India, reaching an estimated 97% of the population.
Researchers created a robust synthetic genetic clock in E. coli bacteria to regulate protein production accurately across a wide temperature range. The breakthrough resolves a long-standing problem in synthetic biology and has potential applications in biotechnology and reprogramming cellular regulatory mechanisms.
Scientists propose a new hypothesis explaining the evolution of bird wings. According to this theory, the little finger was reduced first, followed by the ring finger, resulting in the modern bird hand configuration.
Leading scientists will examine the western tropical Pacific Ocean's 'global chimney,' which shapes climate and air chemistry globally. The region fuels heat and moisture into thunderstorms that loft gases and particles into the stratosphere, influencing climate patterns.
Cancer death rates have declined by 20% over the past two decades, with middle-aged black men experiencing a 50% reduction in mortality. The American Cancer Society estimates that there will be 1,665,540 new cancer cases and 585,720 cancer deaths in 2014.
Researchers at the Gladstone Institutes found that mutant LRRK2 accumulation leads to cell death in Parkinson's neurons, and that alpha-synuclein plays a crucial role in this process. By understanding the interplay between these two proteins, scientists may develop new therapeutic strategies to target the disease's underlying mechanisms.
Researchers analyzed pain response in chickens, discovering that heat stimulation activates TRPA1 receptors similar to cold-blooded animals. Methyl anthranilate, a repellent chemical for birds, also activates chicken TRPA1, highlighting its functional evolution and diversification among vertebrate species.
Researchers at NYSCF and Columbia University Medical Center successfully generated iPS cells from frozen brain tissue, allowing for the study of Alzheimer's disease at a cellular level. The new stem cell lines will enable drug testing on cells from patients with confirmed diagnoses.
Research by the University of Exeter Medical School reveals two new genetic causes of neonatal diabetes, providing insights into how insulin-producing beta cells are formed in the pancreas. This discovery increases the number of known genetic causes of neonatal diabetes, offering hope for improved treatment and potential therapies.
Dr. Kushner earned the award for his study on hybrid cognitive behavioral therapy versus relaxation training for co-occurring anxiety and alcohol disorder, which showed significant better alcohol outcomes four months after treatment.
A team of scientists led by UC Riverside astronomers used Hubble to discover 58 young, diminutive galaxies in ultraviolet light, which are 100 times more numerous and 100 times fainter than detected galaxies. These 'unseen' galaxies formed most new stars during the universe's early years.
Researchers analyzed Google search data during the Great Recession, finding that Americans searched more frequently for information on health ailments. The study revealed a significant increase in searches for symptoms like stomach ulcers, headaches, and back pain, with some queries 200 million times higher than expected.
A study found that combination therapy with varenicline and bupropion resulted in better smoking abstinence rates at 12 weeks compared to monotherapy, but not at one year. After one year, the rates were similar, indicating that combination therapy may not provide a significant long-term benefit for smoking cessation.
Researchers at Johns Hopkins have identified a pathogen sensor called IFI16 that plays a crucial role in recognizing viruses and bacteria. The study reveals that IFI16 uses the length of DNA as a molecular ruler to distinguish self from non-self, which could lead to new treatments for autoimmune disorders.
Smoking rates among adults with mental illness have not declined as significantly as those without mental illness between 2004 and 2011. However, those who received mental health treatment had a significantly higher rate of quitting smoking at 37.2%, compared to 33.1% for those without treatment.
Researchers found a correlation between DNA methylation levels and breast cancer risk in high-risk families. High levels of DNA methylation were associated with increased breast cancer clustering within families.
Combining varenicline and bupropion for smoking cessation showed increased quit rates in heavier and more dependent smokers. However, the effects were similar in lighter smokers using varenicline alone.
A new study compares the relative rate of molecular evolution between humans and chimps with that of their lice. The researchers found that the lice are winning the molecular evolutionary race, with almost 15 times more changes in gene sequence.
Researchers found that ketamine increases serotoninergic neurons in brain areas regulating motivation, suggesting its antidepressant action. The PET imaging studies demonstrate the potential of the technology in diagnosing major depressive disorder and developing new antidepressants.
A 40-week treatment with varenicline resulted in abstinence rates three times higher than placebo, while cognitive behavioral therapy showed significant benefits. The study suggests that maintenance treatment may reduce tobacco dependence and smoking-related morbidity and mortality in individuals with serious mental illness.
Researchers developed a new way to study bone disorders and bone growth using stem cells from patients with a rare genetic bone disease. The approach identified a cellular mechanism driving abnormal bone growth and found chemicals that can slow it, potentially guiding future drug development.
The global prevalence of daily tobacco smoking declined by 25% for men and 42% for women between 1980 and 2012. Despite this progress, the number of smokers has increased due to population growth, with 967 million male smokers and 7% female smokers in 2012.
Scientists Jürgen Rehm and David Nutt propose a simple 10-point plan to reduce personal and public costs of alcohol. The plan includes monitoring individual intake, limiting consumption, taking breaks from drinking, and implementing government interventions such as minimum pricing, labeling, and treatment.
A new vascular homing peptide, CAR, selectively targets hypertensive pulmonary arteries to enhance the effects of existing vasodilators without systemic side effects. The peptide retains its activity when given sublingually, offering a potential breakthrough in PAH treatment.
AAS meeting highlights four unusually bright galaxies, a galaxy cluster image, and sampling of galaxies thought to be responsible for most stars in the universe. These ultra-bright, young galaxies are forming stars approximately 50 times faster than our Milky Way galaxy.
A new global stroke repository provides regional comparative statistics on stroke incidence and mortality, highlighting significant disparities between countries. The repository aims to inform local and global strategies to reduce the burden of stroke by analyzing gaps in existing data.
Researchers found that certain brain regions exhibit enhanced gene activity levels, similar to those in young brains, allowing for the establishment of new connections. This ability may support lifelong learning and memory formation.
Researchers analyzed data from over 850,000 online gamers, finding that those who practiced more efficiently or explored game mechanics before achieving higher scores. This study suggests that optimal learning strategies can improve skill acquisition and become increasingly relevant as people live longer and acquire complex skills.
Researchers at Hebrew University deciphered the mode by which neurotransmitter inhibitors work, raising hopes for new and effective drugs for brain disorders. The study used baker's yeast as a model and identified flexible domains in the structure of the vesicular monoamine transporter (VMAT) responsible for tetrabenazine binding.
A research team at CNIO has identified AP-1 proteins as key regulators of fatty liver disease (FLD), a condition that affects up to 30% of adults in Western societies. Increased expression of these proteins can prevent fat accumulation and FLD in mice.