African-American children between 8-12 years old show a significant weight bias, with over 67% selecting the overweight child as victim of name-calling. Girls exhibit more sympathy towards overweight peers than boys, who tend to have lower popularity and social acceptance.
Scientists at the University of South Carolina have created a new catalyst that efficiently converts CO2 into carbon monoxide, a potential fuel source. The nitrogen-doped carbon nanotubes are more stable and cost-effective than traditional metal-based catalysts.
A new study suggests that disk gaps may be a cosmic illusion and not necessarily caused by hidden planets. The researchers used models to show that growth, migration, and destruction of small particles can create apparent gaps in the disk.
A new Duke University study finds that clumping newly planted marsh grasses can spur positive interactions and boost growth, increasing vegetative cover by up to 300% in some test plots. This approach challenges 40-year-old forestry-based practice of dispersed planting.
A long-term study on a rooftop in Copenhagen reveals that climate change is altering the local insect community, with specialized species being more sensitive to temperature increases. The research found that some species are moving northwards in Europe, while others are being squeezed out of their range.
Researchers found that infants can identify and link new sounds to meaning, indicating a social capacity for recognizing and learning from novel communicative signals. This ability broadens our understanding of infants' coordination of social, language, and cognitive development.
A newly discovered tumor suppressor gene, RASA2, has been found to affect melanoma survival. Restoring its function in melanoma cells caused them to stop growing and die.
QUT scientists have discovered a gene in the Pitjuri plant that allows it to rapidly grow and survive in harsh conditions, including space. This discovery could lead to growing food in space and has implications for future genetic research.
Researchers found that rheumatoid arthritis significantly increases participants' overall risk of death, especially due to respiratory or cardiovascular causes. Seropositive RA was associated with a nearly three-fold increased risk of respiratory mortality compared to seronegative RA.
Internet-delivered CBT has been shown to benefit people with depression and anxiety, offering a cost-effective and empowering way of accessing treatment. It allows clinicians to treat more patients effectively in less time, providing patient empowerment and increased clinical efficiency.
A large-scale survey found that African-Americans who did not exercise frequently had nearly twice the odds of abusing alcohol. Regular physical activity was associated with lower odds of alcohol misuse, suggesting a potential link between exercise and decreased risk.
Researchers found that male mice recruit more white blood cells to the site of inflammation than females, highlighting the importance of sex differences in inflammatory responses. This discovery has implications for how we design and interpret experiments and evaluate anti-inflammatory therapeutics.
A new peptide-based hydrogel has been developed by University of Delaware researchers to facilitate microsurgery. The hydrogel can be tuned with a specific amino acid to change form several times during a procedure, allowing precise control and reducing damage to tiny blood vessels.
The world's record for the smallest land snail has been broken with the discovery of a minute shell measuring only 0.7 mm in diameter. The study highlights the importance of conserving isolated species such as this one due to their restricted distribution and vulnerability to habitat disruption.
Researchers found that pantry food safety procedures were often informal, with 75% lacking proper storage and handling information. However, most pantries limited cross-contamination and provided adequate handwashing facilities.
The American Heart Association and American College of Cardiology have updated recommendations for athletes with diagnosed heart disease. New research shows that the risk of sudden cardiac arrest is lower than previously thought for some athletes with irregular heartbeat disorders treated by implanted medical devices. However, patients...
Scientists at the Salk Institute have discovered a molecule called EphA2 that stifles aggressive growth of common and deadly type of lung cancer in humans. The enzyme normally polices tissue growth but when mutated, cellular systems can run amok, leading to tumors.
A team of scientists has mapped the mantle under the Juan de Fuca plate, a key step in understanding the forces behind large earthquakes and tsunamis. The map reveals segmentation of the subduction zone, which could help explain why Pacific Northwest megaquakes don't always break along the entire length.
A recent study by University of Montana researchers found a significant increase in global land evapotranspiration over the past 32 years, driven by vegetation greening and rising atmosphere moisture deficits. This trend exacerbates regional drought-induced disturbances, particularly during strong El Nino events.
Researchers used a new method to evaluate health-care access in Appalachia, finding that insurance and geospatial access played crucial roles in late-stage diagnosis and adjuvant hormone therapy. The study suggests traditional metrics like travel times may not accurately capture the barriers faced by patients.
A study published in the Proceedings of the National Academy of Sciences found that deaths among middle-aged white Americans increased significantly between 1999 and 2013. The top causes of death were suicide, drug and alcohol poisoning, and chronic liver diseases and cirrhosis.
A team of scientists has discovered a gene called SWEET4 that plays a crucial role in increasing seed size and yield by importing sugars into seeds. This breakthrough discovery could lead to the development of new crop varieties with improved nutritional value and resistance to pathogens.
Lawrence Gostin, a renowned public health lawyer, has made significant contributions to the field of public health law. He continues to lead major global health law reform initiatives and serves on various commissions to report on global health risks.
A historian examines how Saudi Arabia's quest for fresh drinking water led to the discovery of oil and highlights the country's precarious relationship between oil and water. The expert argues that the U.S. must consider the environmental impact of desalination, a technology used to produce drinking water.
Chronic short sleep duration of 6 hours or less increases the risk of developing type 2 diabetes in middle-aged and older women. Increasing sleep duration by 2 hours or more also associated with a modest increased risk of diabetes, even after adjusting for other factors such as diet and physical activity.
A Swedish study found that children growing up with dogs have a lower risk of developing asthma, with a 15% reduction compared to those without dogs. The study analyzed over one million children and controlled for confounding factors.
A new study in the Journal of International Marketing identifies five distinct dimensions of consumer ethnocentrism: prosociality, cognition, insecurity, reflexiveness, and habituation. The study introduces a new scale to measure consumer ethnocentrism, which better predicts preferences for domestic brands.
A recent study found that tourists use peer-to-peer accommodation services for social and financial reasons, leading to broader destination choices and longer stays. The availability of these services also increases tourism demand and revenue for destinations.
A study published in the American Journal of Transplantation shows that new policies could increase pediatric lung transplants by twice as much. The research team tested alternative allocation models to improve pediatric access to donor lungs and found two models resulted in significantly more transplants for pediatric patients.
Research found that average survival was less than six months, with only 36% surviving beyond one year. Patients diagnosed through emergency routes tend to have more advanced cancers, contributing to a poorer prognosis. The study highlights the importance of early diagnosis in improving cancer survival rates.
Research by Queensland University of Technology found that people living alone are more likely to have poor dieting habits due to inadequate cooking skills and lack of motivation. The study also found a gender disparity in healthy eating practices, with men living alone having poorer diets than women.
Researchers found that grain size determines methane hydrate behavior under stress, with maximum capacity at 15-20 nm. This discovery has implications for predicting and preventing hydrate failure and exploring their use as a future energy source.
Research suggests that parent-adolescent communication is positively linked to safer sex behavior. The study found a small but significant association between parent communication and contraceptive use, which was stronger for girls than boys. Open communication about sex can help delay sexual debut and reduce the risk of sexually trans...
A new UC Davis study finds that identifying and addressing dyslexia as early as first grade can close the achievement gap with typical readers. Implementing effective reading programs at younger ages shows promising results in narrowing this disparity.
Researchers at UT Austin developed a nanoscale machine made of DNA that can autonomously walk in any direction, opening doors for cancer detection and therapeutic delivery. The DNA walker, with two legs connected by a torso, moves randomly and avoids re-tracing its steps, demonstrating a new level of complexity.
Researchers have determined the structure of a key enzyme in Mycobacterium tuberculosis, which could lead to new drugs for the disease. The discovery provides a potential starting point for developing treatments that target this enzyme.
Researchers have developed a groundbreaking method to identify and separate human tonsil cancer stem cells, providing new insights into the disease. The study shows that these stem cells are key players in the development of tonsil cancer, with HPV infection being a major risk factor.
A new NSF-funded project aims to develop rural libraries and librarians into informal STEM learning centers, providing access to science education for small towns and rural areas. The initiative builds on a previous Dartmouth-led project that reached over 100 libraries and aims to involve another 110.
The study found that pteropods, a tiny sea snail, will struggle to form their shells due to low carbonate ion concentration. The duration of undersaturation events will increase abruptly, posing an uncertain adaptation for vulnerable marine organisms.
A study of 7,699 fast food diners in NYC and NJ found that calorie labels don't reduce overall calories consumed. While some consumers notice and respond to calorie counts, awareness decreases over time, suggesting a need for multi-faceted approaches to address obesity.
A study by Rice University researchers has solved a long-standing mystery about the storage and secretion of blood-clotting factor VIII. The protein is both stored and secreted from a specialized organelle in endothelial cells, which line the walls of blood vessels.
Researchers at University of the Pacific have developed a method to significantly extend the lifespan of peptides. By tagging peptides with a compound, they enable it to survive in the bloodstream longer and avoid degradation. This breakthrough technology has the potential to improve peptide therapies for cancer and other diseases.
Researchers have created genetically encoded magnetic protein nanoparticles that can be produced within cells, allowing for non-invasive tracking and monitoring of cell signals. This technology has the potential to observe communication between neurons, activation of immune cells, and stem cell differentiation, among other phenomena.
A new study by Rice University sociologists finds that adjusting to less food availability can negatively impact kids, resulting in behavioral problems and poorer health. The study looked at transitions in food insecurity among kindergarteners and first-graders between 2011 and 2012.
A BU School of Medicine researcher has identified a small molecule that selectively kills ALT-positive cancer cells, offering a potential therapeutic approach to deadly forms of human cancer. The discovery targets the ALT pathway, frequently reactivated in aggressive cancers such as osteosarcoma and glioblastoma.
A study conducted by a University of Nebraska student found that cheering crowd noise levels in college hockey stadiums have no strong correlation with goals scored. The study measured noise levels during four games and found the loudest sections to be around 95 decibels, which is equivalent to hearing a jackhammer from 50 feet away.
Researchers found that acupuncture and Alexander Technique lessons significantly reduced chronic neck pain by 32% and 31%, respectively, at 12 months. These interventions provided clinically relevant reductions in pain levels without medication use, offering new hope for patients with chronic neck pain.
Researchers found that praising with an assertive tone and scolding with a non-assertive tone were the most effective ways to persuade people to wash their hands during flu season. The study, published in the Journal of Marketing Research, suggests that using an assertive tone can intensify the message and promote desired behavior.
Vyjayanthi Chari, a professor at UC Riverside, is recognized as a Fellow of the American Mathematical Society for her contributions to the theory of quantum groups and affine Lie algebras. She has also made significant contributions to mentoring graduate students and postdocs.
A new €23 million initiative, EAVI2020, accelerates the search for an effective HIV vaccine by uniting leading researchers from across Europe and beyond. The project aims to develop protective and therapeutic vaccines through collaborative efforts.
A new study in the Journal of Marketing Research found that consumers often misjudge the benefits of increased productivity, leading to wasted spending. Researchers Bart de Langhe and Stefano Puntoni discovered that consumers tend to overestimate time savings at high-productivity levels compared to low-level increases.
The study found that African immigrants experienced discrimination and stigma linked to the Ebola virus, leading to stress and hardships. The researchers emphasize the need for research on infectious diseases affecting immigrant communities in the US.
Researchers found that Janus kinase inhibitors decreased factors released by human senescent cells and reduced inflammatory mediators in mice. The treatment improved physical function, including grip strength, endurance, and physical activity, in aged mice over two months.
A team of researchers is using 'passive acoustic monitoring' to document the use of the Bering Strait by species previously excluded by sea ice. They are eavesdropping on marine mammals within the Arctic to monitor their presence year-round and study the impacts of climate change on the ecosystem.
Researchers at Karolinska Institutet identified a hormonal mechanism explaining why women with PCOS are more likely to develop mental health issues. The study found that excessive testosterone exposure during fetal development can lead to anxiety-like behavior in both male and female offspring.
Researchers discovered that macrophages and monocytes actively participate in multiple sclerosis progression, exacerbating disease severity through stress signals. The study highlights the significance of the crosstalk between the peripheral immune system and brain, opening new avenues for potential therapies.
Researchers used America's most powerful supercomputer, Titan, to compute the neutron distribution of calcium-48, finding a smaller difference between neutron and proton distributions. This calculation impacts the size of neutron stars, connecting objects with a 18-order magnitude size difference.
Researchers studied three species of songbirds crossing the Gulf of Mexico, finding they use weather and body fat to assess migration risk. The findings can help protect migrating birds by identifying high-quality habitats along their routes.
A new study from the University of Alberta suggests that men's fair contribution to housework is linked to more frequent and satisfying sex in their relationships. The research found no correlation between the amount of housework completed and sexual functioning, contradicting previous studies.
A study of Canadian patients found that off-label prescription drug use was associated with a higher incidence of adverse drug events (ADEs), particularly when the use lacked strong scientific evidence. The study also found that patients using multiple medications had a significantly increased risk for ADEs.