Scientists at UC Santa Barbara have identified Auger recombination as the mechanism behind the LED 'droop' phenomenon, a drop in light produced when a higher current is applied. This discovery is expected to lead to new ways to design LEDs with significantly higher light emission efficiencies.
A new study by Johns Hopkins Medicine found that medical interns spend an average of only 12 percent of their time at the bedside, with nearly as much time spent walking and caring for patients. The researchers argue that this amount of time is insufficient to provide optimal patient care and learning opportunities.
Research from Yale University and University of Connecticut found whole egg consumption improves cholesterol profiles and reduces cardiovascular risk in individuals with coronary heart disease and metabolic syndrome. High-protein breakfasts also promote satiety and weight management in overweight adolescents.
Researchers have discovered a virus that can selectively infect and kill human melanoma cells, leaving normal cells unharmed. This breakthrough offers new hope for treating the deadliest form of skin cancer, which has seen a tripling of incidence over three decades.
Researchers have discovered a new approach to weight loss by blocking blood vessels in fat tissue, leading to a significant reduction in fat mass. The study found that mice who received the cancer drug Sunitinib lost an average of 70% of their fat mass, with no impact on lean body mass.
A new study reveals that white potato consumption is positively associated with an increase in potassium intake among adults and children. Potassium deficiency is a public health concern, affecting 97% of Americans, and the study suggests that white potatoes can help address this issue.
Patients undergoing nonvascular surgery with beta-blockers on the day of or after surgery had significantly lower rates of 30-day mortality and cardiac morbidity, according to a study published in JAMA. Beta-blocker exposure was associated with lower mortality risk, especially in patients with multiple cardiovascular risk factors.
A study found that a Mediterranean diet causes a decrease in total cholesterol and LDL cholesterol levels. Each individual has a unique microbial profile, like a fingerprint, which remains true even after diet manipulation.
Researchers studied baby sea turtles and a flipper-driven robot to understand movement on sand. They found that flexible wrists allow for effective locomotion by minimizing material yielding, reducing drag from belly friction.
A new study found that menus displaying the minutes of brisk walking needed to burn food calories led to fewer calories ordered and consumed compared to menus without calorie labels. The study, conducted by Texas Christian University researchers, suggests a more effective strategy for encouraging reduced calorie intake in restaurants.
A study estimating 32 million people in the US have used psychedelics reveals a widespread prevalence, particularly among young adults. Psychedelic use has remained relatively stable since the 1960s, with no significant increase or decrease over time.
A new UC Berkeley study suggests that morality plays a significant role in shaping our perception of money, with those who perceive money as 'tainted' viewing it as having less purchasing power. The research findings also shed light on why people avoid ill-gotten gains and the psychology behind socially responsible investing.
A total of 90 species are recognized from the Indo-Malayan and Palearctic realms, with 71 described as new species. The discovery greatly expands knowledge of the genus Oxyscelio, a parasitic wasp family.
Researchers at Aalto University have developed a new fatigue model that enables the creation of lighter structures, leading to more energy-efficient ships. The study's findings can be used to improve the design of various welded steel structures, predicting fatigue endurance more accurately and utilizing materials more efficiently.
A new study by Ilana Gershon found that American college students tend to focus on the medium used for a breakup, rather than justifying why it ended. The research reveals a cultural preference for emphasizing the process of ending relationships over exploring underlying reasons.
A study by UK experts found that the alcohol industry submitted policies in line with their interests, ignoring evidence-based approaches. The authors warn of conflicts between commercial and public interests, potentially compromising population health.
A team of researchers from Stephen F. Austin State University has confirmed that the Neches River rose-mallow is a unique species using genetic fingerprint analyses. The plant's DNA profile shows distinct differences from other related species, making it eligible for government-funded restoration efforts.
A study of 406 patients found that male athletes, particularly those who engage in sports like basketball and tennis, are at a higher risk of Achilles tendon ruptures. The majority of these injuries occur during sporting activities, and delayed diagnosis can lead to poorer outcomes. Orthopaedic foot and ankle surgeons emphasize the imp...
Researchers from Saint Louis University and the University of Toronto have decoded the western painted turtle's genome, revealing genes that may be key to managing human health disorders such as stroke and heart attack. The study also identified genes that could lead to the development of safer anesthetics for human patients.
A specific form of vitamin E supplement can accelerate heart health benefits after quitting smoking. Smokers who took the gamma-tocopherol form showed a 19% greater drop in cardiovascular disease risk and improved vascular function.
A study reviewed 12,101 patients to assess the accuracy of patient history, clinical examination, and sonography in diagnosing ectopic pregnancy. Transvaginal sonography is identified as the single best diagnostic method for evaluating suspected ectopic pregnancy.
Long-term exposure to air pollution may accelerate atherosclerosis, increasing the risk of heart attacks and strokes. Fine particulate air pollution was found to be associated with faster thickening of the inner two layers of the common carotid artery.
A new study published in NEJM finds that sofosbuvir achieves a response rate of 93% for genotype 2 and 61% for genotype 3 patients. This represents a significant improvement over traditional interferon-based treatments, which often have limited efficacy in these patient populations.
A new pathway has been identified that enhances tamoxifen's effectiveness in treating basal-like breast cancer, a subtype resistant to treatment. The discovery involves targeting Cdc42 protein to restore normal function of c-Cbl and improve cancer cell death.
Researchers found that current costs of forest conservation are low, but future agricultural yields could increase dramatically, rendering financial incentives ineffective. This threatens the long-term viability of conservation programs in tropical developing countries.
Researchers from Michigan State University found that people's visual biases change when surrounded by members of their own group, perceiving threats as less serious. The study shows that having a group or coalition reduces the perceived distance of potential threats.
Advaita, a Wayne State University startup, is participating in the new Michigan I-Corps program to turn its biotechnology innovation into commercial opportunities. The company aims to streamline drug-discovery methods, saving time and money for academia and pharmaceutical industries.
A research team at Cornell University developed an algorithm that enables virtual creatures to evolve and learn to walk. The creatures' squishy, muscle-like features adapt through generations of evolution, creating counterintuitive designs that surpass human-engineered robots.
Between 2000-2008, 6,920 youths were injured due to firearms, resulting in 17 fatalities, highlighting the need for increased focus on preventing pediatric firearm injuries.
A UC Riverside engineer is exploring a nearly century-old manufacturing technique to strengthen tiny titanium-based medical devices, which could lead to significant improvements in their performance and reliability. The technique, known as gas nitriding, involves heating the device in a nitrogen atmosphere to increase its strength.
A 2,000-year climate record reveals a long-term cooling trend that ended in the 19th century, reversing with global warming since then. The study aggregates proxy data from various sources, including tree rings and lake sediments, to provide insights into natural factors driving climate change.
During the April 2011 tornado disaster, neurosurgeons at the University of Alabama at Birmingham Medical Center treated patients with spinal cord injuries, most of which were limited to the thoracic and lumbar regions. The authors highlight the importance of disaster preparedness in treating such injuries.
Researchers at the University of Gothenburg found that Instagram users often upload many pictures from museums during visits, showing effort behind posts. The study indicates that smartphones have changed our way of sharing experiences, moving from physical documentation to digital sharing.
Researchers at Norwich BioScience Institutes discovered a novel way in which certain gut bacteria can inactivate Salmonella, a foodborne pathogen. The study found that cell contact between good and bad bacteria is necessary for this process to occur.
Researchers found that infants who sweat less in response to scary situations at age 1 show more physical and verbal aggression at age 3. The study suggests a possible early indicator of aggressive behavior in children.
New research reveals microwave tomography can effectively monitor breast cancer treatment, identifying shrinking tumors and guiding timely treatment changes. This non-invasive imaging technique is low-cost, easy to repeat, and unaffected by factors like body mass index or age.
Researchers reconstructed modern Europe's genetic history using ancient DNA from skeletons in central Germany, revealing dramatic migrations and a mysterious genetic turnover around 4000-5000 years ago. The study provides a high-resolution record of human DNA evolution over 4000 years, shedding light on the demographic history of Europe.
Researchers at North Carolina State University have created new semiconductor devices using zinc oxide (ZnO), including efficient ultraviolet (UV) lasers and LED devices. These devices can be used in sensors and drinking water treatment, among other applications.
Researchers at South Dakota School of Mines and Technology have successfully split water molecules at low temperatures, paving the way for sustainable hydrogen energy. The team's high-temperature thermochemical process can exponentially double hydrogen atoms, creating a sustainable amount of hydrogen regeneration.
A new study found that MRI atrophy in the thalamus is a strong predictor of multiple sclerosis (MS) development and progression. Thalamic atrophy was associated with increased risk of conversion to clinically definite MS, outperforming traditional methods for evaluating patients at risk.
Researchers created a sea turtle-inspired robot to study flipper-based locomotion on complex surfaces. The 'Flipperbot' demonstrated improved movement using a free wrist, which reduced disturbance to the ground, similar to real-life observations of hatchling loggerhead sea turtles.
A recent Indiana University study found that mothers in male-dominated occupations are more likely to leave their jobs due to overwork. The study reveals how these women face discouragement despite being committed to work, and highlights the need for labor policies that minimize work-family conflicts.
A study by Spanish researchers found that roe deer accidents peak between April and July, particularly at nightfall, while wild boar accidents occur between October and January. The risk is also higher on Sundays due to increased night-time traffic.
Scientists decode a 'toggle switch' in mice that significantly stimulates fat burning by converting white fat cells into brown fat cells, potentially combating obesity.
A new treatment for inherited ALS has passed an early clinical trial with no serious side effects, successfully introducing the drug into the central nervous system. The phase 1 trial suggests the approach may be effective against other mutated genes causing central nervous system disorders.
Researchers at Argonne National Laboratory and Technical University of Madrid create model for iron transportation in legumes to enhance nitrogen fixation. This breakthrough aims to lessen reliance on nitrogen fertilizers and promote sustainable agriculture practices.
A study of 27 children using fMRI found a specific brain region, the ventral medial prefrontal cortex, increasingly devoted to social self-evaluations during puberty. This region showed significant increases in blood-oxygen levels when responding to questions about identity and peer status.
A new study by Queen Mary University of London found that rescued animals can recover from neglect. Researchers observed improved behavior in goats that had been mistreated, suggesting a positive impact of sanctuary care on their mental health.
Researchers found obese men were more likely to have precancerous lesions detected in their benign prostate biopsies compared to non-obese men. Obesity was also associated with a significantly higher risk of developing prostate cancer after an initial benign biopsy, particularly in the first few years after.
Researchers at Moffitt Cancer Center found that a p53 deficiency can slow or delay DNA repair after radiation treatment. The study revealed that p53 regulates the expression of two enzymes, JMJD2b and SUV39H1, which control DNA folding.
The AfriCoLeish project aims to test new treatments for kala-azar and co-infection with HIV in Ethiopia and Sudan, providing a shorter combination treatment option. The project will also determine appropriate treatment strategies for co-infected patients to prevent relapses.
The Seena Magowitz Foundation has donated $500,000 to support clinical trials of the drug Abraxane, which extends survival in pancreatic cancer patients. This donation represents a decade of advocacy and fundraising efforts, aiming to make a difference in the lives of pancreatic cancer patients and their families.
Researchers at the University of Illinois developed equations to calculate phosphorus and calcium concentrations in meat and bone meal. The study found that ash content is a reliable indicator of Ca and P concentrations, allowing producers to estimate mineral levels without harming pig growth.
Scientists found that inhibiting epoxide hydrolase with tAUCB and activating PPARγ with rosiglitazone had synergistic effects on cardiometabolic syndrome, reducing cardiovascular risk factors and kidney disease progression.
Researchers found a strong correlation between summer monsoon and climate patterns that preceded it, enabling forecasts to predict the monsoon a few months in advance. The study discovered that El Niño's influence on the Indian Ocean temperature and atmospheric anomalies in the western Pacific amplifies each other.
Researchers at Johns Hopkins University have successfully performed biopsies using hundreds of tiny, untethered grippers that can collect tissue samples without batteries or wires. The microgrippers, activated by the body's heat, hold promise for more effective cancer detection and disease diagnosis.
Researchers found that the alcohol industry distorted international evidence on effective alcohol control measures to influence Scottish Government's policy. The study shows how the industry ignored and misrepresented scientific evidence to promote weak survey-based evidence and unsubstantiated claims.
Researchers found that humans exhibit similar emotional reactions when watching videos of robots being treated affectionately or violently, as they do when viewing the same actions towards humans. This discovery has implications for the development of more empathetic and engaging robotic systems.
Researchers study beach nourishment decisions and find that decentralized management can lead to resource inefficiencies. The stratigraphic record is controlled by physical processes such as sediment deposition rates and river channel migration, with gaps often left due to pauses in deposition or heightened erosion.
Researchers have identified a gene variant ID associated with non-alcoholic fatty liver disease (NAFLD) diagnosis, including steatosis, steatohepatitis, and fibrosis. The study suggests that screening for this variant could lead to earlier detection and improved management of NAFLD.
Astronomers discovered a rare galaxy that turns gas into stars with near 100% efficiency, outperforming even the most efficient engines. This highly tuned galaxy forms stars at a rate hundreds of times faster than our Milky Way, with the majority of its starlight emitted by a small region.
A new study by the University of Texas Health Science Center suggests that inflammation plays a significant role in the development of Parkinson's disease. The researchers found that exposure to an experimental inflammatory agent caused changes in brain tissue similar to those associated with PD, highlighting the potential for therapeu...
Researchers found that adolescents are less sensitive to the aversive effects of MDPV bath salts and exhibit different physiological responses, such as lower dopamine levels and decreased body temperature. These findings suggest that adolescents may be more vulnerable to the use and abuse of these drugs.
A team of researchers from the University of Copenhagen has discovered that PICK1 protein plays a crucial role in regulating hormones such as insulin and growth hormone. This finding has significant implications for understanding diabetes and poor growth, and may lead to better prevention and treatment in the future.
A randomized trial found that home-based health education increased HBV screening rates and knowledge about the disease among Hmong Americans, overcoming cultural and language barriers. The study suggests using lay health workers to improve access to screenings and diagnoses.
Janet Vail, an associate research scientist at AWRI since 1990, is being recognized for her public outreach and education efforts on Great Lakes issues. She has led several tours and organized conferences to raise awareness and support for Great Lakes protection.
Researchers utilized various geoscience technologies, including LiDAR, to study geological formations and processes. The study of the Sakhalin-Hokkaido Shear Zone revealed insights into strike-slip plate boundaries, highlighting the differences between the Russian island's boundary and the San Andreas fault in California.
A novel thermo-sensitive injectable hydrogel engineered with gene modified bone marrow mesenchymal stromal cells (BMSCs) successfully repairs articular cartilage defects in rabbits. The study demonstrates the potential of tissue engineering combined with gene therapy for managing defective articular cartilage.
Researchers at the University of Illinois have developed a new material approach that enhances visible light absorption in titanium dioxide, leading to increased solar cell efficiency. This breakthrough has significant implications for clean energy production, waste water purification, and other applications.
A small-scale clinical study investigated the effects of eating one Hass avocado a day on risk factors for cardiovascular disease compared to similar moderate fat diets. The research suggests that avocados may offer unique benefits beyond their monounsaturated fat content, contributing to greater cardiovascular health benefits.
A new study published in JAMA found that 129 out of 6,920 injured children suffered gunshot wounds, with 14% accessing unlocked, loaded guns. The study highlights the importance of storing firearms safely to prevent child deaths and injuries.
Researchers have devised a way to detect and track asteroid collisions in interplanetary space using a new method to measure the mass of magnetic clouds created by impacts. This technique could help scientists better understand where to find new meteoroid debris that poses a threat.
A study published in JAMA found that maternal use of valproate during pregnancy significantly increases the risk of autism spectrum disorder and childhood autism in offspring. The absolute risk is estimated at 4.42% for autism spectrum disorder and 2.50% for childhood autism.
New research shows that stronger antibiotics can speed up the evolution of antibiotic resistance in bacteria, particularly when used alone. This can lead to faster growth and spread of resistant bacteria, making it harder to treat diseases caused by these pathogens.
A recent study published in Atmospheric Environment found that air pollution from wildland fires and urban areas is reducing air quality at Devils Postpile National Monument. Ozone concentrations exceeded California standards, posing a risk to sensitive individuals, and may have phytotoxic effects on plants.
Researchers at the University of Illinois have discovered a new paradigm in epitaxy by growing nanowires on graphene. The self-assembled wires have a unique core-shell structure, which is spontaneous and produces a perfect interface. This finding has significant implications for advanced electronics applications.
A research team led by Nalini Santanam is investigating the epigenetics of pain in endometriosis, with preliminary findings suggesting that epigenetic markers may play a role in the disease's development. The team hopes to find new biomarkers for diagnostics and personalized treatment approaches.
Researchers used PIV system to measure flow field around Heteroxenia coral, finding polyp motion effectively sweeps water away from coral tissues. The accumulated effect of uncoordinated polyp activity enhances flow around colony, reducing re-filtration and improving nutrient exchange.
Researchers developed a portable tracking system to monitor pitchers' scapulo-humeral rhythm, detecting subtle changes in joint movement. The study found that 23% of pitchers showed persistent deterioration in the scapulo-humeral rhythm, highlighting the need for targeted strengthening exercises and physical therapy.
A study by Elizabethtown College researchers found that residential lawns in Lancaster County, Pennsylvania, release more carbon dioxide than corn fields, primarily due to soil temperature. Temperature variations within developed areas contribute to smaller-scale urban heat islands.
A study published in PLOS Medicine found that white people with a history of non-melanoma skin cancer, such as basal cell and squamous cell carcinoma, are at increased risk of developing other forms of cancer in the future. The analysis revealed a 15% to 26% higher risk for men and women, respectively.
Researchers at University of Cincinnati have made a groundbreaking discovery in semiconductor nanowires, opening doors to better ways of harnessing solar energy and improving air quality sensors. The new structure has unique properties that could lead to advances in photovoltaic cells and stronger security measures.
Regular binge drinking in college causes immediate changes in circulation, increasing the risk of developing cardiovascular disease. College students who binge drink may experience impaired vascular function similar to those with daily heavy alcohol consumption.
Researchers investigate mango's effects on blood sugar levels and inflammation in obese individuals, finding reduced blood sugar and anti-inflammatory properties. The findings support previous animal model results and suggest a positive effect of mango polyphenols on human health.
Researchers discovered vitamin E can alleviate symptoms of nonalcoholic steatohepatitis (NASH) in mice, a common complication of obesity. The study suggests that supplementation with vitamin E may have significant public health benefits.
Researchers discovered that corals' skeletons scatter light differently, affecting algae retention and survival. This phenomenon helps predict coral reef response to climate change stressors, shedding light on preservation strategies.
Researchers have identified four verbs uniquely describing Pinterest, highlighting the site's focus on consumption. Female users tend to re-pin more than male users, with men having more followers. The study provides insights for both academia and industry, including Pinterest's commercial potential.
Researchers found that dog owners should be cautious of ticks throughout the year, especially from March to November. The study suggests that commercially available products may not be effective in preventing tick-borne diseases, which can infect over half of dogs in a single season.
Researchers found that anti-smoking ads with strong arguments trigger brain activity associated with behavioral change and lead to less nicotine in smokers' urine. The study suggests that ad content is more important than format or special effects for reducing tobacco intake.
Biologists Jaime Troncoso-Palacios and Carlos F. Garin investigated the identity of Liolaemus nigromaculatus, a tree iguana species described in 1834. They successfully clarified the type locality, revealing it was collected between Puerto Viejo and Copiapó in Atacama, Chile.
A study reveals that lichen fungi can colonize different ecosystems by choosing from a diverse array of algal partners. This adaptation allows them to thrive in various environments, including polar and Mediterranean regions.
A national study found that one in four teens has misused or abused a prescription drug at least once in their lifetime, with stimulants contributing to the sustained Rx epidemic. The Partnership at Drugfree.org reports that nearly a quarter of teens mistakenly believe that misusing prescription drugs is safer than using street drugs.
Brain training programs, such as MyBrainSolutions, improve measured scores in anxiety, stress, and depression. The BRAINnet Foundation uses standardized protocols to pool data across mental disorders, sites, and studies, aiming to understand mental illness as a brain disease.
A prospective study by Brigham and Women's Hospital researchers observed an association between a history of non-melanoma skin cancer and increased risk of breast, lung, and melanoma cancers. The study found that people with non-melanoma skin cancer had a modestly increased risk of getting these cancers in the future.
Researchers found that severely ill psychiatric patients in the Boston area experience lengthy waits for hospitalization, with some cases taking up to five hours of psychiatrist time. This delays treatment and wastes valuable clinician time, highlighting the need for reform in the healthcare system.
A new study found that large, hot fires do not necessarily lead to scorched soil. Instead, the soil temperature is affected by factors such as fire speed, heat travel direction, and landscape moisture content. This counterintuitive result could help forest managers plan controlled burns more effectively.
Arizona State University engineers are working on a $6.9 million project to produce rubber from the guayule plant, which could reduce US dependence on foreign producers. The project assesses sustainability factors, including land use, community impacts, and job creation.
A study of nearly 3,000 Danish adults found that childhood bacterial meningitis was associated with lower educational achievement and economic self-sufficiency in adulthood. The study also found that siblings of meningitis patients had similar lower educational achievements.
Researchers discovered distinctive patterns of DNA methylation associated with both autism diagnosis and related behavior traits, suggesting a quantitative relationship between the two. The study provides insight into the biological mechanism mediating gene-environment interaction in autism spectrum disorder.
Researchers used pitcher plants to identify signs of ecosystem trouble, finding that nutrient overloads can trigger drastic changes. The study discovered a reliable way to create tipping points and aims to identify early warning signals.
A study found troubling patterns of teacher assignments within schools, which can contribute to teacher turnover and achievement gaps. Lower-achieving students are more likely to be assigned to inexperienced teachers or those from less-competitive colleges.
Researchers from York, Paris and Missouri developed a new understanding of collective spin excitations in semiconductors, reducing decoherence and improving device functionalities. The discovery could lead to the development of new spintronic devices and quantum information technologies.
Researchers set lower limit for blazar's redshift, indicating distance of at least 7.4 billion light-years, challenging current models of blazar emission mechanisms and extragalactic background light propagation.
A new study reveals that land use in watersheds can impact Bay water quality, with urbanized landscapes contributing energy to fuel low-oxygen 'dead zones'. Organic carbon from these sources is more resistant to degradation, leading to increased persistence downstream.