Physicists from the University of Constance used computer simulations to study shape memory materials down to the nanoscale. They found that the material's atomic-scale crystal structure shifted as the temperature increased, triggering a structural phase transition.
A study by Professor Timothy Golden found that individuals who juggle conflicting demands between their work and home lives experience more work exhaustion. However, those with lower levels of conflict benefit from teleworking during traditional or non-traditional work hours, leading to reduced exhaustion.
Electrons in graphene exhibit Klein tunneling, allowing them to pass through energy barriers regardless of width and height. This phenomenon has been observed experimentally in graphene.
Researchers have developed a theory for a quantum cloning machine that can produce four approximate copies of an initial quantum state, overcoming previous limitations to two or three copies. This advancement has significant implications for message encryption systems and analyzing security using shared secret quantum keys.
Researchers developed a new statistical method to assess the bending elasticity of biological membranes, improving accuracy by up to 80%. The method uses Maxwell-Boltzmann distribution and has potential applications in cosmetics and pharmaceuticals.
A study published in Annals of Behavioral Medicine found that experiencing social stressors during adolescence and young adulthood can lead to increased disease risk factors in middle age. The researchers analyzed data from 822 participants and discovered a significant link between early adversity and allostatic load, a measure of phys...
Researchers studied model cavity and tunnel structures resembling protein binding sites to understand their ability to stay dry. Geometric shields prevent water molecules from penetrating at the nanoscale.
Inadequate handovers during patient care shifts lead to decreased continuity of care and higher risk of adverse events. Effective strategies, such as prioritizing acutely ill patients and minimizing discussion on straightforward cases, can improve the quality of sign-out processes.
Researchers from Italy and Germany created a model to predict friction on rough surfaces in wet conditions, shedding light on the flow of liquid at contact interfaces. The study confirms experimental findings and offers potential applications for creating microstructured tyres with improved grip in rainy weather.
A balanced amount of spare time is crucial for happiness in a consumer society. Materialistic teenagers with compulsive buying issues need just the right amount of leisure time to feel happier. Moderate time affluence alleviates negative side effects of material values and compulsive buying on adolescent happiness.
Researchers believe that timing has finally come to support the conduct of human clinical trials for stem cell therapy in spinal cord injuries. Currently, research is largely stuck at the animal model stage. Studies evaluate 11 different cell types/sources and provide evidence justifying their use.
Scientific studies show mercury concentrations in inland lakes and rivers exceed EPA health criterion, affecting fish and wildlife populations. Research indicates improvements in air emission controls have slowed mercury contamination, but some areas still pose serious risks to human health.
A new technique measures myocardial perfusion reserve and volume reserve to predict severe stenosis in coronary arteries. This method detects 50% or greater narrowing with excellent sensitivity, enabling timely intervention for high-risk patients.
Researchers developed a theoretical model to understand how to best avoid jamming of soft matter, which can be applied in food and cosmetics production. The model takes into account common properties between three classes of materials: soft matter, metallic liquids, and granular materials.
Researchers from the University of Vienna have proven that the entanglement or separability of a quantum state depends on the perspective used to assess its status. By using mathematical density matrices, they showed how different factorisations can lead to entanglement or separability in complex physical systems.
A study suggests that referral practices need to be tailored by specialty. Primary care physicians are more likely to cite patient access and physician communication as reasons, while specialists prioritize patient experience.
Researchers found that African Americans experiencing racial discrimination had higher levels of oxidative stress, a potential pathway for cardiovascular and other age-related disease risks. The study suggests that psychological stress from racial discrimination may contribute to racial health disparities.
A study published in Clinical Orthopaedics and Related Research found that African American patients are less likely to be admitted to high-volume hospitals for total knee replacement surgery, receiving instead lower-quality care. This racial disparity affects access to high-quality arthroplasty care.
A study by David Smith and colleagues found that women's memory is sensitive to male voice pitch, a cue important for mate choice. Women preferred low pitch male voices and remembered objects more accurately when introduced by deep male voices.
Scientists developed an electrically neutral matrix to hold DNA fragments, which spontaneously align and form ordered structures at high concentrations. This technology has potential applications beyond gene therapy, including the delivery of chemical drugs.
Researchers analyzed Billboard Hot 100 song lyrics from 1959 to 2009, finding a significant increase in sexually explicit references over time. The study suggests degrading music can negatively impact teens' self-worth and lead to poor body image, depression, and substance abuse.
A model published in the European Physical Journal B reveals that online communities' activity grows faster than user population, driven by individual tagging behaviour and constant heterogeneity across systems. This finding confirms accelerated growth patterns in virtual worlds.
A recent study reveals that humans are the primary agents of exotic earthworm dispersal in North America's forests. Non-native species can accelerate organic material breakdown, reducing habitat for animals and increasing soil erosion.
Research finds that women are less likely than men to use suicide methods that disfigure the face or head. Men are nearly twice as likely as women to have used such methods, suggesting a potential gap in understanding and prevention strategies for gender-specific risk factors.
A new study by Niels van de Ven and colleagues found that people tend to overestimate the length of their outward journey, making the return journey feel shorter. The researchers believe this is due to prior expectations rather than familiarity with the route.
A new study by Jeffrey Hall and Melanie Canterberry suggests that women with negative attitudes towards their own gender are more likely to prefer men who adopt similar attitudes. Women who open to casual sex also tend to respond to aggressive courtship strategies.
A study published in the European Physical Journal B demonstrates that embryo development follows hydrodynamic principles, where cells flow like a fluid, resulting in the formation of the head. This challenges previous theories suggesting chemical gradients drive cell movement, providing new insights for regenerative medicine.
Researchers found that higher disorder in complex networks accelerates synchronisation, contradicting previous theories. This observation holds true for various real-life networks, including air-transport and social networks.
Strains and sprains account for over a third of lower extremity injuries treated at emergency departments. An 'ankle hotline' could spare valuable ER time and resources by providing alternative care options.
New study reveals that programmed cell death is involved in mandibular regression in termites. During termite development, body form and structure change, including the formation of defensive organs like the nasus and regressed mouth parts.
A study found that one in ten elderly Medicare patients skip prescribed medication due to cost, regardless of cancer presence. Cancer survivors and non-survivors show similar rates of cost-related non-adherence, using strategies like generic medications and price comparisons.
Researchers developed a highly sensitive method to determine titanium levels in human blood, establishing a baseline for natural levels and measuring levels in patients with surgical implants. The study found significantly higher titanium concentrations in patients with implants, shedding light on the potential harmful biological effects.
Research reveals abnormal femur development in young athletes due to high-intensity sports, leading to osteoarthritis and hip deformity. Athletes are ten times more likely to experience impaired hip function than non-athletes.
A new study found that hospital patients who had conversations about religion and spirituality with their healthcare team were the most satisfied with their overall care. Despite 20% of patients wanting these discussions but not having them, having a conversation led to higher patient satisfaction rates.
Researchers from Oxford University found that training tasks can shift how healthy teenagers think about social events, promoting more positive interpretations. The approach, called cognitive bias modification of interpretations, has the potential to change negative thoughts that drive anxiety in teenagers with high anxiety levels.
A recent study suggests that black-legged kittiwakes use body odor to determine genetic compatibility in potential partners. The research found distinct signatures of individual and sex-specific odors, which may play a role in mate choice.
Research by Berthelot and Len found that athlete performance follows an exponential growth curve to a peak before declining irreversibly between the ages of 20 and 30. This pattern is also observed in other physiological parameters such as lung function and cognitive skills, suggesting a universal law governing human capability evolution.
Women show greater improvements in function and reduced pain than men at three and six months post-surgery. After a year, men recover as well as women, indicating that gender-specific knee implants may not be necessary.
A new study by Diane Kholos Wysocki and Cheryl Childers found that women are more likely to engage in sexting behaviors and that older men are more likely to cheat in real life. The authors conclude that humans are social creatures who need physical, face-to-face contact in relationships.
A new study reveals archaeobotanical evidence of beer brewing in Mediterranean France, dating back to the 5th century BC. The findings suggest that the French had an early passion for beer brewing, alongside regular wine making.
Researchers investigated how dogs respond to human attention, finding that both domestic dogs and wolves can beg for food based on a human's attentiveness. Dogs' ability to follow human actions stems from their willingness to accept humans as social companions and conditioning to follow human movements.
A new study argues that female suicide bombing is a military tactic used by terrorist groups to justify acts that deviate from mainstream Islam. The study's findings suggest that the use of female suicide bombers is not based on Islamic doctrine, but rather on strategic and military utility.
A national survey of nearly 4,000 Americans found that obesity is associated with better health-related quality of life for black men and worse outcomes for black women. The study, published in Quality of Life Research, used comprehensive telephone interviews to assess cognition, vision, speech, hearing, physical activity, pain, mobili...
A new study by Hagen Scherb and Kristina Voigt found a significant gender gap in human populations exposed to nuclear radiation, with increases in male births relative to female births. The study reveals a long-term, dose-dependent impact of radiation exposure on human sex odds.
The new journal will be fully sponsored by the Korea-based Future Technology Research Association International (FTRA) and cover multifaceted aspects of human-centric computing technology and information sciences. All research results will be freely available online under the Creative Commons Attribution license.
A new study by Rouder and Morey applies a statistical method to Dr. Bem's ESP experiments, finding modest evidence that doesn't support claims of extra-sensory perception. The researchers conclude that the odds are against ESP existing, given the current scientific knowledge.
A new study suggests that carefully selected fragrances can positively influence nightclub goers' experience, leading to increased dancing activity, improved music ratings, and enhanced mood. The introduction of pleasant ambient scents may also lead to improved quality of the environment and greater spending in nightclubs.
A new virtual reality application delivers exposure therapy for PTSD by immersing soldiers in simulated trauma-relevant environments. The system has shown encouraging clinical results, with 80% of patients experiencing clinically meaningful reductions in PTSD symptoms.
A significant proportion of young girls' clothing available online in the US is 'sexy' or sexualizing, according to a new study. The study found that 69% of clothing items studied had only childlike characteristics, while 25% had both sexualized and childlike features.
The Kunming Institute of Botany, part of the Chinese Academy of Sciences, and Springer are launching a new fully sponsored open access journal called Natural Products and Bioprospecting. This journal aims to serve as an international forum for essential research on natural products and their applications.