Researchers analyzed genetic material from over 500 CLL patients, identifying dozens of genetic abnormalities linked to the disease. The study found that specific mutations affect treatment response and disease progression, providing insights into the complex interplay between different mutations in cancer cells.
A team of researchers is using the Cray XK7 Titan supercomputer to simulate hundreds of millions of red blood cells in an attempt to develop better drug delivery methods and predictors for diseases like sickle cell anemia. The simulations are focused on understanding how these diseases interact with human blood vessels, particularly in...
Square optical microresonators support whispering-gallery modes, suitable for unidirectional microlasers. Microsquare lasers offer better modulation behaviors and higher output power than microdisk lasers. Mode selection is achieved by adjusting the output waveguide width, enabling continuous tuning of lasing wavelength.
A new clinical practice guideline provides updated recommendations for treating intrinsic circadian rhythm sleep-wake disorders, promoting high-quality patient-centered care. The guideline updates previously published parameters and includes positive endorsements of melatonin and light therapy for select patients.
A new study by the University of Iowa found that parents' conversations with their children after an injury play a crucial role in shaping their safety values. The study revealed that parents are more likely to urge daughters than sons to be more careful and discuss why certain activities are dangerous, especially for older children. B...
A new study found that mothers who experienced more stressful events during their pregnancies had children who scored lower on a test of movement competence. Children born to stressed mothers showed poorer fine and gross motor skills, which can lead to difficulties in everyday life.
Researchers found that antioxidants can allow melanoma cells to survive and spread more quickly in mice. The study suggests that cancer cells benefit more from antioxidants than normal cells do, raising concerns about the use of dietary antioxidants by patients with cancer.
The site recreates the British early modern social network to trace personal relationships among figures like Bacon, Shakespeare, and Newton. It identifies over 13,000 individuals and 200,000 relationships, providing new ways for scholars to consider communities, factions, influences, and sources.
A team of researchers found a fossilized mammal from the Cretaceous period that may have suffered from a fungal infection affecting its fur. The Spinolestes had fused hairs resembling hedgehog spines and reinforced spine structures, indicating a unique adaptation to its environment.
Researchers at the University of Washington found bubble plumes off the coast of Washington and Oregon, suggesting that warmer ocean temperatures are releasing frozen methane. This process could contribute to climate change by amplifying environmental changes already impacting local biology and fisheries.
A team of scientists has discovered a group of perinatal Saurolophus angustirostris dinosaurs found at the Dragon's Tomb site in Mongolia. The young dinosaurs, likely from the same nest, exhibit characteristics similar to those of adult Saurolophus angustirostris, including an upwardly directed snout and poorly developed crest.
Researchers at Karolinska Institutet have found that OSU6162 can reduce craving for alcohol in people with alcohol dependence, normalizing dopamine levels in brain reward system. Thorough clinical studies are needed to confirm efficacy.
A study of 46 grasslands in North America and Europe found that increasing plant diversity decreases the extent to which extreme wet or dry conditions disrupt grassland productivity. Higher biodiversity communities are more stable, exhibiting resistance during extreme climate events.
A new center at Lehigh University is working on developing new technologies to protect the US power grid from cyber attacks. Researchers will identify and develop solutions for vulnerabilities across the grid, including protecting core power grid controls and communications infrastructure.
A study found that antipsychotic drugs are initiated in Alzheimer's patients 2-3 years before diagnosis and used for over a year. This contradicts current treatment guidelines, increasing the risk of adverse incidents like stroke and death.
A new model of investing has been developed to help bridge the funding gap between university labs and the marketplace, with some stunning successes reported. The traditional venture capital approach doesn't provide long-term investments necessary for early research development.
The International Journal of Qualitative Methods addresses qualitative methodology and related issues across various disciplines. The journal publishes innovative work and provides a global exchange of knowledge and ideas to further qualitative investigation.
New research reveals that comets could have created Europa's chaos terrain, while a study identifies areas vulnerable to global ocean acidification. Meanwhile, contaminated sediments pose a challenge in restoring rivers to their free-flowing state.
Mangrove forests around the Indo-Pacific region are at risk of submersion due to sea-level rise. However, some areas such as east Africa and north-western Australia may be able to persist despite rising seas.
A new study from the University of Maryland and Johns Hopkins University finds that computers can accurately predict patient discharges, improving hospital resource management. The model uses fewer than 30 variables, including patient demographics and medical history, to make predictions, outperforming doctors in some cases.
A recent CU Anschutz study reveals that people with Type 2 diabetes perceive exercise as more difficult due to metabolic and cardiovascular challenges. The researchers found elevated lactate levels and increased rating of perceived exertion among individuals with the disease.
Researchers at Georgia Tech developed an algorithm to teach robots how to fall safely by determining the optimal sequence of movements to slow their momentum. The planning algorithm was validated through physics simulation and experimental testing on a humanoid robot, enabling potential applications in healthcare and domestic tasks.
A functional magnetic resonance imaging (fMRI) study found that The Dress activates frontal and parietal brain areas, depending on perception. Researchers identified differential brain activity in participants perceiving the dress as white-gold versus black-blue.
A study found that low physical activity was responsible for 17% of cardiovascular deaths in Argentina, with effects greater in women. Engaging in at least 30 minutes of brisk walking 5 days a week may reduce cardiovascular mortality, especially in women and those younger than 70 years old.
A recent study found that counties implementing the Garrett Lee Smith Memorial Suicide Prevention Program experienced lower rates of suicide attempts among young people aged 16-23. The program's comprehensive activities, including education and mental health awareness, contributed to these findings. The results suggest significant impl...
Researchers at Penn developed a new neuroimaging method that uses glutamate detection to identify epileptic lesions in patients with medication-resistant epilepsy. The GluCEST imaging method was tested on four patients and confirmed the location of the seizures with high accuracy.
The Digital Atlas of Ancient Life app enables anyone to discover and classify fossils with the eye of a scientist, featuring pictures, maps, and information on fossil origins. The app is available for download and can be used by farmers, amateur paleontologists, teachers, and biologists to learn about fossils in the field.
Researchers at Binghamton University have developed a method to pattern electrically conductive features into individual graphene oxide sheets with unprecedented spatial control. This enables the potential integration of graphene oxide into future technologies such as flexible electronics, solar cells, and biomedical instruments.
Tropical Depression Nora was affected by strong southwesterly vertical wind shear, pushing clouds and showers northeast of the center. The Suomi NPP satellite revealed most thunderstorms were being pushed away from the center due to the high wind shear.
Researchers have identified silver corrosion as a major issue in perovskite solar cells, which absorb light across almost all visible wavelengths and exceed 20% power conversion efficiency. A solution-based method using silver electrodes can reduce costs but may lead to short lifetimes.
A study by McGill University researchers found that emotional abuse has equivalent, broad, and universal effects on children's behavior and mental health, comparable to physical abuse and neglect. The study suggests that effective treatments for maltreatment of any sort are likely to have comprehensive benefits.
A recent study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that mothers with gestational diabetes have slower-firing brains in their unborn children. This may be due to the mother's metabolism influencing her child's development and increasing their risk of obesity and diabetes later in life.
Researchers have discovered a gene called Sox9 that enables kidney cells to switch on and repair damaged tissue after acute injury, offering new hope for treating this serious condition. The study found that the Sox9 gene promotes timely repair of the nephron's cellular lining and repairs the kidney after AKI.
Experts' advice is often compromised by subjective influences and biases, warn researchers. They suggest integrating expert judgements with evidence-based approaches to improve accuracy and reliability.
A recent meta-analysis published in Neuroscience and Biobehavioral Reviews found a weak association between brain size and IQ, with brain structure and integrity appearing more important as a biological foundation of intelligence. The study also highlights the importance of compensatory mechanisms of cognitive functions.
The CMS collaboration at CERN has reported the first particle collisions from the Large Hadron Collider's second run, producing an average of 22 charged particles per collision. The results provide a precise picture of a typical proton collision, which will help scientists sift through background events to detect rare particles.
UC Berkeley researchers discovered a neural switch in the medulla that activates rapid transition to REM sleep, characterized by muscle paralysis and cortical activation. Activating this group of neurons can send mice into dreamland, while inactivating them reduces or eliminates REM sleep.
A new project at the University of Michigan aims to educate patients and healthcare professionals on how to make dialysis sessions safer, reducing instability and its associated risks. The study will use a combination of peer mentoring and provider education to support behavior change.
A three-step intervention increases hiring of female STEM applicants by 6.3 times, with women constituting 50% of those hired after its application to all STEM-faculty hiring at Montana State University. The approach is based on self-determination theory and aims to enhance competence, autonomy, and relatedness in the search process.
Researchers have developed a theoretical framework, ecological simplification, to address the complexity of ecological relationships in ecosystems. By systematically observing components of complexity, causes of simplification can be recognized and countermeasures can be introduced.
Studies examine effects of TBI, stroke, and repetitive stimulation on functional brain networks, revealing hyper-connectivity and reduced coherence in TBI patients. Researchers also describe remodeling of neuronal axons and myelin after stroke, as well as improvements in motor symptoms with repetitive transcranial magnetic stimulation.
Researchers at IMIM have found that Notch protein activation intensity determines cell fate, revealing a competition between two proteins for hematopoietic stem cell formation. This study could lead to more efficient and reproducible lab-grown blood stem cells for patients with no compatible donors.
A new advancement in soft robotics has been reported, enabling elastic material to change color when stretched. This feature can help robots camouflage themselves, indicating areas of vulnerability, while also allowing for potential applications in medicine delivery and repair.
Researchers detected parabens and their byproducts in tissues of marine mammals like dolphins, sea otters, and polar bears. High levels were found in some species, with tens of thousands of nanograms per gram of tissue.
A new study finds that Chesapeake Bay surface water temperature is increasing rapidly, with trends detected in over 92% of the Bay. The study suggests that warming waters signal spawning time for fish and exacerbate eutrophication and algal blooms.
A Penn bioethicist recommends increasing randomized trials, using better measures to quantify intervention effectiveness, and developing interventions that accurately reflect decision-making processes.
Researchers have imaged the structure of IP3R, a calcium ion channel that controls cell function, offering insights into diseases like Alzheimer's, Parkinson's, and cancer. The discovery could lead to new treatments by enabling drug design venues.
Researchers discovered M1 strep's ability to inactivate antimicrobial peptides, a key component of the immune system's defense. This finding highlights the need to fortify or optimize antimicrobial peptides to improve the immune system's odds of fending off infections.
Researchers used high-performance computing methods to map climate change threats to birds, mammals, and amphibians across the Western Hemisphere. They found that tropical species will likely be vulnerable to climate change by 2100 due to narrow climatic ranges.
Researchers found that low-income Virginians with HIV who enrolled in Affordable Care Act healthcare plans had better virologic suppression rates (85.5%) compared to those receiving care under the state's AIDS Drug Assistance Program (ADAP) (78.7%). Patients enrolling earlier in ACA insurance also tended to have better health outcomes.
Researchers investigate how early life stress affects gene expression and increases cardiovascular risk in young adults. Longitudinal study analysis reveals persistent methylation changes associated with childhood trauma and ACEs.
A new study found that sleep deprivation can reduce the effectiveness of stem cell transplants by up to 50%. Researchers at Stanford University discovered that a four-hour sleep deficit can impair the ability of stem cells to migrate and function properly. However, recovery sleep can restore the cells' normal function.
A new study published in Endocrinology found that prenatal exposure to fracking chemicals can lower sperm counts in male mice. The researchers tested 24 chemicals used in fracking and found that 23 of them were endocrine-disrupting chemicals, mimicking or interfering with hormones.
A Belgian study compared dermatologist-conducted lesion-directed screening with standard total-body examination for skin cancer screening. The results showed that lesion-directed screening was an acceptable alternative method with a similar skin cancer detection rate, despite being less time-consuming.
Ramanujan's original taxi-cab number, 1729, contains hidden meanings that relate to elliptic curves and K3 surfaces. Mathematicians have found a 'magic key' in his formula that can reveal secrets of these objects.
Researchers have found that treating hypoglycemia in newborns according to current recommendations is safe and appears to prevent brain damage. The study suggests that maintaining stable blood glucose levels without significant fluctuations may be crucial for preventing neurosensory impairments.
A pair of neurons found in the brains of male nematode worms, called 'mystery cells of the male' or 'MCMs', are responsible for sex-based differences in learning and behavior. These MCMs create behavioral differences between males and females by changing a brain circuit common to both sexes.
The Hitachi Class 800/801 Train, designed to accommodate more passengers and be environmentally sustainable, received the award for its multidisciplinary design approach that prioritized human factors. The train's design improved safety, efficiency, and user experience through prototyping and user research.
Researchers have identified GPR3 as a potential therapeutic target for Alzheimer's disease, finding that its absence alleviates cognitive decline and reduces amyloid pathology in multiple models. The study provides preclinical validation for GPR3, setting the stage for future AD drug development.
Researchers find hydroxylated polybrominated diphenyl ethers (OH-BDEs) in San Francisco Bay, suggesting human activity enhances natural production. Elevated levels of OH-BDEs are linked to higher nutrients and water temperatures in populated areas.