A new study finds arsenic to be the most critical metal, followed by silver and selenium, in sustaining modern technology. The research highlights the need for corporations and nations to identify their unique set of critical materials and stabilize supply chains.
High levels of cadmium in females and lead in males are associated with delayed pregnancy, according to a NIH study. Couples can reduce exposure by avoiding cigarettes or taking steps to minimize lead-based paint exposure.
A new study by the RAND Corporation suggests that a voluntary after-school program focusing on substance use can help middle school-aged children avoid alcohol. The CHOICE program, presented in five 30-minute sessions, was found to reduce alcohol use among all students at intervention schools.
The Australian Cancer Research Foundation has committed $2 million to two new cancer research laboratories at the Walter and Eliza Hall Institute. The new facilities will enable researchers to study the biology of epithelial cancers and develop new treatments for breast, ovarian, lung, and leukemia patients.
A study from the University of New South Wales found that exercise alone can almost completely reverse the adverse metabolic effects passed on to offspring by their overweight mothers. The reversal was most pronounced in juveniles who exercised and consumed a low-fat diet.
Researchers found that MHC genes, which distinguish self from foreign proteins, undergo an 'arms race' with germs, favoring the retention of diverse genes. This diversity is crucial for mounting a defense against novel pathogens.
A new therapeutic strategy using a single injection of fibronectin has shown potential to improve patient outcomes in treating chronic neuropathic pain following spinal cord injury. This approach inhibits the development of mechanical allodynia, a common type of chronic pain experienced by spinal cord injury patients.
Researchers at the Rothman Institute have found that measuring C-reactive protein in synovial fluid is extremely accurate for diagnosing PJI. The study of 2,067 cases revealed that serum white blood cell counts and PMN percentages have minimal sensitivity and specificity for infection diagnosis.
The financial burden of prescription drugs is decreasing, with generic medications playing a key role. In 2008, over 8 million nonelderly Americans faced high drug-cost burdens, with nearly 1/4 living in families where out-of-pocket costs accounted for more than half of all healthcare expenses.
A Pittsburgh study found that regional differences in Medicare drug spending are primarily due to the use of more expensive brand-name drugs, rather than volume. The study suggests that promoting the use of generic medications could lower out-of-pocket costs for patients and save Medicare money.
Researchers at the University of Washington have developed a new method to stimulate neurons in the brain using quantum dots. This technique allows for precise control over cell activity and could provide insights into disease processes and potential treatments for conditions like Parkinson's disease, Alzheimer's, and severe depression.
A team of UC San Diego researchers created the smallest room-temperature nanolaser to date, as well as a highly efficient, thresholdless laser that funnels all its photons into lasing without waste. These breakthroughs could enable the development of future optical circuits packed onto tiny computer chips.
Researchers at Caltech have developed a gene therapy that stimulates the production of new oligodendrocytes from stem cells, enabling the brain to replace damaged myelin sheaths in demyelinating diseases like MS. The therapy uses leukemia inhibitory factor (LIF) to promote remyelination and reduce inflammation.
A new study suggests that native insect parasitoids in California can suppress the light brown apple moth population, with one species accounting for over 80% of larval parasitism rates. Further research is needed to determine the effectiveness of these natural enemies in controlling the pest's spread.
A team of astronomers has captured stunning images of a nearby dwarf galaxy undergoing a 'stealth merger' with its host. The resulting stellar stream is visible in the outer regions of NGC 4449, providing insights into galaxy formation and evolution.
Researchers at UCLA have found that stimulating a critical junction in the brain can improve memory in human patients. The study focuses on the entorhinal cortex, which plays a crucial role in transforming daily experiences into lasting memories.
Researchers analyzed how name pronunciation affects impression formation and decision-making, finding that people with easy-to-pronounce names are more likely to be favored for promotions and jobs. The study's results have important implications for understanding and managing bias in society.
A new study suggests that about one in four formerly cohabiting couples with children maintain a romantic relationship. Couples who stay connected tend to have more relationship investments and less family chaos, which can benefit their children.
The partnership aims to reduce cancer health disparities in Hispanic populations through outreach education projects and pilot research studies. The collaboration has already learned valuable lessons, including the importance of a patient-centered approach and culturally specific dissemination routes for information.
A study published by the American Academy of Orthopaedic Surgeons found that excessive sporting activities can lead to a higher risk of surgical revision in patients with hip resurfacing. Patients with lower Impact Scores had better survival rates and lower revision risks, highlighting the importance of limiting physical activity.
A new study found Scotland's suicide rate surpassed that of England & Wales in 1968 and widened the gap by the early 1990s. The research suggests a significant increase in suicides among young Scottish men, particularly by hanging.
A study published in the New England Journal of Medicine found that a tailored Tai Chi training program significantly improved postural stability and walking ability in Parkinson's disease patients. The program resulted in reduced falls and demonstrated potential as an add-on to current physical therapies.
Scientists have developed a new method using DNA sequencing to identify cancer cells that can be targeted by the immune system. By analyzing genetic data from cancer cells and normal cells, researchers were able to identify specific mutated genes whose altered proteins trigger immune system attacks.
A new study found that short fasting cycles can work as well as chemotherapy to treat cancer in mice, and combining both greatly improves survival rates. Fasting alone also effectively treated a majority of cancers tested in animals, including those from human cells.
A study of 107 individuals with diagnosed osteoarthritis in the knee found that a DVD-based exercise program significantly improved pain and physical function, but did not affect osteoarthritis progression. Video-based home exercise programs can enhance adherence and improve life quality for patients living with knee osteoarthritis.
A species of Culex modestus, known to transmit West Nile virus in Europe, has been found breeding in the UK's marshes after a 60-year absence. The discovery highlights the need to investigate mosquito-borne risks to human health and informs efforts to track the mosquitoes' spread.
The US is facing a growing threat of multi-drug resistant gonorrhea, with treatment options rapidly dwindling due to increasing antibiotic resistance. The CDC has seen a 17-fold increase in drug susceptibility, leading scientists to call for collective action from healthcare providers and drug companies.
A study published in PLoS ONE found that men are less likely to match their language to a female conversation partner if she is fertile. The researchers suggest that this could be a way for men to display their mating fitness.
Researchers found that padding reduced linear impact dosages, but did not eliminate rotational injury risk. They also discovered a heightened risk of brain strain injury in both boxing and MMA, despite padding, emphasizing the need for improved protective measures.
Researchers used satellite imagery from Google Earth to count fish farming cages in the Mediterranean, estimating a total of 225,736 tonnes of finfish production. The study suggests that both Greece and Turkey underreport their farmed fish production, but overall, Mediterranean countries are giving accurate counts.
A study published in The Lancet has found that a common variant on the Y chromosome increases the risk of coronary artery disease by 50 percent in men. Men carrying this variant have a higher risk of CAD, independent of traditional cardiovascular and socioeconomic risk factors.
A team of researchers has discovered an iron-based superconductor that operates at the highest known temperature for its class, reaching 47 degrees Kelvin. The crystal's unusual property is that it can collapse by up to 10% when a smaller atom is substituted for calcium in some of its hubs.
A new community resource, DGRP, provides the highest-resolution view to date of genome structure and variation in a population of fruit flies with diverse traits. The study has far-reaching effects on animal breeding, pesticide development, and personalized medicine.
Research found that discontinuing bisphosphonates after an atypical femur fracture significantly lowers the risk of a subsequent fracture. Bisphosphonates may suppress natural bone remodeling, leading to brittle bones and increased fracture risk.
A new study by Arizona State University finds that adolescents suffering from depression are more likely to develop difficulty in peer relationships, including being bullied at school. The research suggests that depression symptoms can predict negative peer relationships.
Research from the Colorado School of Public Health shows that breastfeeding can lower body mass index for children of diabetic pregnancies, reducing their risk of childhood obesity. Children who were breast-fed had a slower BMI growth as they grew older compared to those who nursed less than six months.
Researchers at Ruhr-University Bochum cracked European Telecommunications Standards Institute (ETSI) encryption algorithms used in satellite phones, revealing significant weaknesses.
Researchers found that agrin and LRP4 form two diverse work teams to activate MuSK, enabling communication between neurons and muscles. This discovery may lead to new treatments for myasthenia gravis and other muscle diseases, as well as insights into neurodegenerative conditions like Alzheimer's and Parkinson's.
A new study published by Baycrest Centre for Geriatric Care found that smartphone training can significantly improve daily life skills and boost confidence levels among individuals with moderate-to-severe memory impairment. Participants showed 'robust increases' in day-to-day memory functioning after taking the training.
A RAND Corporation study concludes that few small employers will choose to self-insure or maintain grandfathered plans due to significant financial risk. The analysis found that stricter regulations will be essential to keep premiums affordable in small business insurance exchanges.
A study found that only 10% of Chinook salmon spawning in the Mokelumne River are naturally produced wild salmon, while hatchery-raised fish dominate the population. The research highlights the need for more accurate monitoring and management of wild populations.
A new study from VCU researchers found that a managed care plan can reduce the cost of caring for the uninsured population who gain coverage through the Affordable Care Act. The study showed that emergency department visits and inpatient admissions declined, while primary care visits increased during the seven-year period.
The study suggests a massive cloud of trillions of asteroids and comets surrounds Sgr A*, where they are vaporized by friction as they pass through the hot gas flowing onto the black hole. The flares observed by Chandra could be explained by the frequent collision of asteroids with the black hole.
Researchers found that the egg sac silk of the cocoon stalk was more stretchable than any previously tested egg sac silk. The study, published in PLOS ONE, may provide insight into super-stretchable biological materials and bio-inspired nanomaterials.
A new study presented at the American Academy of Orthopaedic Surgeons meeting found that obese children are 74 percent more likely to sustain a fracture of the growth plate. The study looked at 224 children and found that those with a higher BMI were more likely to experience low-energy impact injuries.
The new device, created by Javier Atencia, features a diffusion-based gradient generator that reduces the risk of cell damage and offers simplicity. In experiments, cells were exposed to cycloheximide, resulting in increased fluorescence levels as the chemical concentration decreased.
Researchers at New York University's Applied Math Lab found that obstacles can aid worm movement, contrary to common assumptions. The study, published in the Journal of the Royal Society Interface, used experiments and computer simulations to demonstrate how C. elegans worms navigate through lattice-like environments with ease.
A new study found that growing up on a farm increases regulatory T-lymphocytes, cells that damp down the immune system and limit immune responses. This shift in cell ratio is associated with reduced antibody responses to food proteins and lower risk of allergies.
A new study reveals benfluorex, a fenfluramine derivative used in France from 1976 to 2009, was responsible for approximately 3,100 hospitalizations and 1,300 deaths. The use of this drug led to significant changes in the French regulatory system.
Scientists have developed a new form of buckypaper, which eliminates a major drawback of these sheets of carbon nanotubes by introducing a 'shish kebab' structure that controls pore size and conductivity. This innovation has potential applications in body armor, batteries, and electronics.
Men with anxiety traits experience higher post-operative pain ratings and longer hospital stays. Women report higher pain levels and are less satisfied with pain control following total knee replacement surgery.
A rare subset of diseases affecting the lymphatic system, including lymphangiomatosis and Gorham's disease, are focused on in a special issue of Lymphatic Research and Biology. The articles shed light on current knowledge, ongoing research, and key differences from other lymphatic disorders.
A new study by the American Academy of Orthopaedic Surgeons found that online support after joint replacement surgery can save patients time and money. Patients who used web-based follow-up care reported fewer routine visits, lower travel costs, and reduced time spent on appointments.
A study published in PLOS ONE found that dogs excel at interpreting pointing gestures, while chimps fail to identify objects of interest. This result suggests that dogs may possess a unique form of communication that challenges the long-held assumption that humans have a monopoly on this ability.
Researchers tested over 20,000 pregnant women and their children's IQ at age three, finding no difference between treated and untreated groups. The study adds support to current UK guidelines against routine antenatal screening for hypothyroidism in pregnancy.
Biologists Fran Bonier and Ignacio Moore investigate how stressed bird parents care for their young and respond to environmental challenges. The study aims to determine whether glucocorticoid levels affect bird parenting behaviors, with potential implications for understanding the effects of stress on organisms and evolution.
A significant minority of physicians admitted to not fully disclosing medical errors due to fear of lawsuits and telling a patient something untrue. The study highlights the need for open and honest communication between doctors and patients.
Researchers at Boston University have created a 3D model that simulates the growth of cancer tumors, suggesting that softening of cancer cells accelerates proliferation and extends lifetime, leading to rapid tumor growth. The study provides a new quantitative approach to understanding tumor development based on mechanical properties.
A longitudinal study in Belfast found that political violence affects families, leading to behavior problems and mental health symptoms among children. The research suggests working with families may have long-term benefits for affected children.
A study reveals that hatchery-raised fish are replacing wild salmon in the river, masking a decline in wild populations. The researchers used ear bones to detect chemical signatures from hatchery feed, finding that only 10% of spawning fish were naturally produced.
A specific daily serving goal of low-glycemic-index foods significantly improved dietary habits among people with Type 2 diabetes. Participants who set a higher individualized goal and felt more committed showed better results in reaching the goal.
Researchers found that the brain decodes left or right hand without mental gymnastics, using processes called binding to bind seen and felt hands. The study's results have implications for understanding experiences of amputees and sensory processing.
Mothers whose children attended high-quality nonparental care were more likely to be involved in their children's schools later. The quality of early care was cumulative, with long-term effects on school readiness.
A new statistical model developed by Penn State researcher Cedric Neumann allows for the quantification of fingerprint evidence, paving the way for its full inclusion in criminal identification processes. The model enables the evaluation of fingerprint evidence on a continuous scale, rather than relying on subjective expert opinions.
New research suggests that older drivers' problems at intersections are largely due to acquired bad habits, which can be unlearned through training. A training program significantly improved driving skills in older drivers, who were able to match younger drivers' performance on a driving simulator.
Researchers have developed a statistical model to quantify the weight of fingerprint evidence, paving the way for its full use in courts. The current method relies on subjective certainty, not supported by logic or data.
A mobile device called iHeal combines sensors to detect physiological changes and software applications to intervene in real-time. The device aims to prevent drug use by identifying trigger points for risky health behaviors.
Researchers successfully improved vision in three adult patients who previously received gene therapy in one eye, achieving better light sensitivity and navigating obstacles in dim light. No immune reactions occurred during the readministering treatment, and unexpected benefits were observed in brain responses.
The American Chemical Society is developing new crime-fighting tools to deter and catch terrorists, utilizing chemical forensics to trace weaponized toxic substances. The research aims to send a message to would-be terrorists that science is prepared to stop them.
The article discusses the importance of risk-adjustment strategies in navigating equitable health-care reform. States establishing health insurance exchanges must allocate funds based on enrollee medical needs to prevent selection bias, which could lead to plan failures or large windfalls.
A new study published in Psychological Science found that people rate the last chocolate as more enjoyable and favorite, regardless of flavor. The 'last-is-best' bias is a real phenomenon that affects everyday life, making judgments fairer by being aware of it.
A new study examined the role of bilingualism in children's development, finding slower language acquisition but better metalinguistic development. Bilingual children performed similarly to monolinguals in executive control tasks, but had an advantage when their languages overlapped.
The study provides a comprehensive reference manual for analyzing population genomics and quantitative traits in fruit flies. The DGRP consists of 192 genetically identical lines with varying genetic variation, facilitating the measurement of traits and unlocking secrets of quantitative traits.
A new study has identified 131 rice metabolites and clarified the genetic and environmental factors that influence their production. The findings have significant implications for breeding improved rice grain varieties with increased nutritional value.
Researchers found a significant correlation between coronary artery disease and prostate cancer in a large study, suggesting that heart disease may be a risk factor for the malignancy. Lifestyle changes such as weight loss, exercise, and a healthy diet may help combat both conditions.
Tarsiers have been largely unchanged for 45 million years and possess the most extreme ultrasonic calls in the animal kingdom, surpassing all other primates. Researchers discovered that these animals emit ultrasonic alarm calls when humans are near, potentially as a means to evade detection by predators.
A study by researchers at the University of California, San Francisco, found that the quality of life for disabled elderly people is closely tied to their sense of dignity and autonomy. Most participants rated their quality of life as 'fair to very good' on a five-point scale.
Researchers develop a new type of tiny motor called a microrocket that can propel itself through acidic environments without external energy, opening up medical and industrial applications. The microrocket generates hydrogen gas bubbles to propel itself at speeds up to 400 miles per hour.
A new study presented at the American Academy of Orthopaedic Surgeons meeting found that patients taking antidepressants before hip replacement surgery reported greater pain and lower satisfaction with their procedure. Assessing a patient's mental health status prior to surgery is crucial for predicting outcomes.
A team led by UCLA researcher Michael Rich has discovered a previously unknown dwarf galaxy near NGC 4449, which is 12.5 million light years from Earth. The newly found galaxy, NGC 4449B, is the largest known dwarf galaxy in the local group and has been stretched into a 'S' shape due to gravitational encounter.
Research reveals that AgRP neurons drive feeding behaviors and undergo anatomical changes during fasting, becoming more active and responsive to hunger-promoting stimuli. The study provides insight into the neural mechanisms controlling weight gain and obesity.
The University of Houston assistant professors received NSF CAREER awards for their innovative work on graphene's optical properties, polymer-based cells, and environmental impact. Bao aims to confirm graphene's ability to act as an optical waveguide, while Moeller researches fundamental materials structure-property relationships.
Researchers at DESY have successfully made atomic nuclei transparent using X-ray light, a crucial step towards developing quantum computers. This achievement demonstrates the effect of electromagnetically induced transparency (EIT) in atomic nuclei and has significant implications for the future of quantum computing.
The American Society for Radiation Oncology (ASTRO) has developed a clinical practice guideline for the radiotherapeutic and surgical management of newly diagnosed brain metastases. The guideline provides evidence-based recommendations for choosing treatment modalities based on tumor factors and prognosis.
Scientists from the University of Cambridge have developed a new type of solar cell that can harness more of the energy from the sun. The hybrid cell absorbs red light and uses blue light to boost electrical current, enabling it to capture 44% of incoming solar energy.
A NIST biophysicist and CU collaborator developed a microfluidic system that records biochemical reactions over milliseconds to seconds in living human cells modified as FRET sensors. The system measures sensor signals at two points in time at a rate of up to 15 cells per second, enabling the study of protein folding or neural activity.
Scientists at the University of California, Davis have made a significant discovery on how DNA repairs itself. They found that the protein Rad51 searches for the correct region to use for repair by forming an extensive filament and guiding it to the right place in the chromosome.
A study published in the journal Neuron reveals that individuals with strategic decision-making skills, known as 'explorers,' use a specific region of the prefrontal cortex to calculate relative uncertainty. This brain area is not active in non-explorers, suggesting a specialized cognitive process for making uncertain decisions.
A new study led by CU-Boulder shows that global glaciers and ice caps are shedding roughly 150 billion tons of ice annually, contributing to sea level rise. This is equivalent to losing about 39 cubic miles of ice from 2003 to 2010.
A new study by the University of Leicester found that combining anti-obesity drugs with a modified lifestyle is effective in reducing weight and body mass index. Lifestyle advice alone was also shown to lead to weight loss at 6 and 12 months, highlighting the importance of balanced diet and exercise for weight management.
Researchers found that people who are more physically active report greater levels of excitement and enthusiasm compared to those who are less active. Daily physical activity, even if short in duration, can provide a feel-good effect, motivating individuals to stay active and continue their exercise program.
A study found that champagne gas levels are higher above a flute than a coupe glass, contributing to the distinct experiences. Temperature had no effect on CO2 levels above the flute, with surprising results visualized via infrared thermography.
The European Commission is increasing research funding for computing to address growing application requirements. The HiPEAC network, representing over 1000 researchers, aims to develop energy-efficient and low-cost computing technologies for various devices and systems.
Researchers from York and Brighton are developing new tools to explore European medieval charters, providing a rich source of information on people's lives in the past. The project aims to enable users to dig into these records, recovering descriptions of places and people, and going beyond current digital catalogues.
The new journal will publish original research articles, review articles, and other content on a range of scientific topics. All articles will be fully open access and published online within 4 weeks.
A study by Concordia University and McGill University Health Centre found a strong link between muscle mass and strength in cancer patients with severe fatigue. The researchers suggest that specialized strength training programs could improve muscle mass and reduce fatigue, enhancing the quality of life for these patients.
Researchers used Google Earth satellite images to identify and count over 21,000 fish cages off the Mediterranean coast, primarily in Greece and Turkey. The study estimates total ocean fish farmed annually, with results aligning with UN reports, highlighting Google Earth's monitoring potential.
Researchers have identified a specific cell-stress signaling pathway that links optic nerve injury to irreversible vision loss. The unfolded protein response (UPR) pathway was found to be activated in response to axonal damage, leading to pro-cell-death effects.
A new study of middle schoolers found that teammates' smoking affects youths' decisions about smoking, with adolescents in more sports smoking less. Peer-led interactive programs can now be expanded to include sports teams to prevent teens from smoking.
A new study by Dana-Farber Cancer Institute found that most terminally ill cancer patients discuss end-of-life care with their physicians, but often too late. The conversations tend to occur under stressful hospital conditions and are typically led by non-oncologists.
Researchers at University of Leicester found a significant link between the Y chromosome and an increased risk of coronary artery disease in men. The study analyzed DNA from over 3,000 men and found that 90% of British Y chromosomes belong to two major groups that increase the risk by 50%.
A new study of middle childhood children found that depression forecasts difficulties with peers, including being victimized and having trouble being accepted. The research suggests that depression can leave a lasting impact on developmental milestones, such as forming healthy relationships with peers.
Researchers at Hospital for Special Surgery found that the OATS procedure provides a higher return to sport and longer lasting results compared to microfracture. The study showed that patients who underwent OATS had improved Marx activity levels, indicating they could perform more sports and athletic activities.
The study found that 10% of TB patients received less than the recommended four drugs, while almost 34% of HIV-positive patients were not satisfactorily managed. The research highlights the need to increase awareness, training, and resource allocation to prevent drug-resistant TB cases.
Tropical Cyclone Jasmine has a 20nautical mile-wide eye visible in NASA imagery passing between Vanuatu and New Caledonia. Forecasters predict peak wind speed reached and weakening over the week.
Dr. Zhijian Chen has been recognized for his contributions to understanding cancer and immunity through the discovery of a central signaling pathway component and an unprecedented role for mitochondria in fighting viral infections.
A study of 46 retrieved metal-on-metal total hip replacements found common damage patterns, including scratches and wear patches. The researchers aim to understand the mechanisms behind these failures and develop new implant designs to reduce wear and corrosion.
Researchers have identified beta-arrestin, a protein that supports connections between neurons, as a crucial link to short-term memory. By regulating synaptic plasticity, beta-arrestin plays a key role in the formation and disassembly of neural connections, which can help prevent Alzheimer's disease.
A new study finds that fasting activates AgRP neurons, which promote feeding behaviors and weight gain, by increasing excitatory inputs and dendritic spines. The research reveals a neural pathway linking fasting to AgRP neuron activation, providing insight into the complex mechanisms controlling food seeking behavior.
Researchers discovered the Arapaima fish's unique scales provide 'bioinspiration' for engineers developing flexible ceramics. The combination of hard and soft materials allows the scales to repel piranha bites while maintaining strength, offering lessons for bio-inspired engineers.
Researchers have identified key factors that influence professionals' decisions to spot financial exploitation of elderly people, including the older person's mental capacity and nature of the financial problem. The study aims to improve recognition and prevention of financial abuse through better decision-making among professionals.