Articles tagged with Open Access
Researchers have identified two novel genetic loci, Hfhl1 and Hfhl3, that affect high-frequency hearing in ageing-related hearing loss. These loci are limited to specific portions of the hearing frequency map and may explain only a portion of the variation in high-frequency hearing loss observed in mice.
Researchers found that dogs can be manipulated to make counterproductive choices based on human behavior, highlighting their social bias and sensitivity to cues. The study suggests that humans can influence canine decisions by using specific behaviors.
A study found that unschooled adults from Papua New Guinea mapped numbers onto space but only used endpoints when placing numbers on a line. In contrast, educated individuals used the entire number line, demonstrating that this understanding can be learned through education and cultural practices.
A new study published in PLOS ONE reveals that over 6 million birds die every year at communication towers during migration, primarily due to getting caught in cables. Replacing steady-burning lights with blinking ones on approximately 4,500 towers could potentially reduce mortality by 45%.
A study on vervet monkeys found that social learning is strongly influenced by matrilineal family members, with mothers being particularly strong role models. The research suggests that the mother-offspring relationship plays a crucial role in shaping the behavior of young monkeys.
Male praying mantises alter approach rate and courtship behavior based on recent mate encounters. High-risk behavior results in higher rates of sexual cannibalism when paired with hungry females.
Investing in C-sections could be a cost-effective solution to reduce maternal deaths in developing countries. The study found that C-sections would be highly cost-effective for 48 of the 49 included countries, making them economically favorable for improving maternal outcomes.
Researchers found that larger, younger, and more fertile females increase the chances of successful fertilization for males. Monogamous behavior, where males mate with one female, is favored in early morning mating, while bigynous males opt for second mates if they cannot secure a first mate.
New research reveals that primary cilia on cells in the retina and liver can form long-lasting contacts with each other, indicating a new role for cilia in cell communication. This discovery suggests that cilia may play a key role in human genetic diseases related to ciliary dysfunction.
A recent study found that 91% of documented malaria resurgence events were attributed to weakened control programs, highlighting the need for sustained funding. The researchers emphasize the importance of continued investment in successful malaria control and elimination programs to maintain progress and save thousands of lives.
Researchers used mitochondrial and Y chromosome DNA analysis to determine family relationships and burial traditions of ancient Peru. The study found a 500-year continuity without major impact from European colonization, supporting the idea of ayllu-based communities based on kinship relationships.
An online survey of over 3,500 young adults aged 18-25 found that half had smoked cannabis in the past 30 days, with co-use of tobacco and marijuana highest among Caucasians and daily smokers. The study suggests that 'stop smoking' campaigns should factor in cannabis use to their treatment plans.
A new optical imaging system uses speckle imaging to measure differences in light bouncing off red blood cells, identifying cells infected with malaria parasites. The technique delivers results in under 30 minutes with high accuracy and low cost, promising to revolutionize malaria diagnosis.
A statewide assessment of stonefly diversity in Ohio has revealed at least 102 species, with many adapted to survive warm summer water temperatures. The study's findings will inform conservation efforts, prioritizing rare and threatened species like the Atlantic Needlefly.
Researchers found that Cantonese speakers demonstrated enhanced musical pitch perception compared to Canadian French and English speakers. Notably, individuals with congenital amusia who also spoke Cantonese still showed improved pitch perception.
A study published in PLoS ONE found that people's fear levels toward threats are associated with the typical size of their social circles. The researchers determined that this effect was not due to a lack of differentiation between small and large groups, suggesting that social circle size plays a significant role in shaping our percep...
A recent study found that men who hold guns or large kitchen knives are perceived as taller and more muscular than those holding non-threatening objects. The researchers suggest that this pattern may reflect human psychology's tendency to associate size with danger and formidability.
Researchers found that ant queens from species Cardiocondyla obscurior laid more eggs as they aged, unlike humans and other organisms. This high reproductive rate did not shorten the queens' life spans, a surprising finding.
Elite soccer players exhibit superior executive functions compared to non-players, correlating with performance in goals and assists. Cognitive flexibility and creativity are also essential components of top-tier athleticism.
Research published in PLoS ONE reveals that photographs of children with Down syndrome elicit less positive attitudes than those of typically developing children. The study found a strong negative bias among caregivers working with intellectually disabled persons.
A recent study published in PLOS ONE found that sleep disturbances significantly impair the overnight improvement and plateau performance of motor tasks in patients with sleep apnea. The authors concluded that optimal memory consolidation requires continuous sleep, independent of the total amount of sleep.
A recent study published in PLOS ONE suggests that learning a new language can improve with time off. Adult subjects who took a break after high proficiency showed no decline in abilities and even processed the language more naturally. This unexpected result may be attributed to the brain's ability to reorganize and adapt.
A class of compounds found in hops has been shown to reduce weight gain and improve gut permeability in obese and diabetic mice. The treatment also normalized insulin sensitivity markers, suggesting a novel mechanism for improving metabolic health.
A new study published in Malaria Journal found that malaria prevention measures saved 850,000 child deaths in Africa between 2001 and 2010. The Lives Saved Tool model used by researchers estimated the impact of interventions such as insecticide-treated mosquito nets and pregnant women's malaria prevention.
The Black Queen Hypothesis suggests that microbes can lose necessary functions and rely on others to do the work, enabling cooperation in communities. Prochlorococcus plankton species, studied by the authors, is an example of this adaptation.
A new study published in BioMed Central shows that cognitive training can improve reasoning, memory, language, and hand-eye coordination in healthy older adults. The results suggest that this type of training may help prevent mental decline and promote independent living among elderly individuals.
Researchers tracked the transfer of parasitic lice on brown mouse lemurs to infer their social contacts and habits. The study found that lice were transferred between 43% of males during the breeding season, indicating conflicts over females.
A new, pitch-black wasp species has been discovered in Sulawesi, Indonesia, belonging to the digger wasp family. The species differs from all known related digger wasps due to its unusual body size and long, sickle-shaped jaws.
Research published in BioMed Central's Journal of Cardiothoracic Surgery found that opera and classical music increased survival time before organs failed. Music may act via the parasympathetic nervous system, reducing inflammation and increasing regulatory cells.
Researchers found that frequent ballet and Indian dance spectators exhibited enhanced neural motor responses when watching their respective styles. This suggests that spectators can simulate dance movements without requiring prior motor expertise, highlighting the brain's ability to mirror actions.
A study published in PLOS ONE found that Toxoplasma gondii infection suppressed the immune system, leading to a significant decrease in b-amyloid plaque deposition and improved performance in behavior tests like the water maze. This suggests that the parasite may have favorable effects on Alzheimer's disease progression.
A study published in PLOS ONE found that individuals without a sense of smell have increased social insecurity and risk for depression. They also experienced increased risk for household accidents despite not having significant deviations from daily functions like food preferences.
A study published in PLOS ONE reveals that both human infants and baboons prefer using their right hand for gestural communication, supporting the idea of a common gestural system. This suggests that language development may be based on this shared communication system, which is localized in the left hemisphere of the brain.
The SpikerBox is a low-cost, open-source bioamplifier that allows users to amplify and listen to neurons' electrical activity. This tool has been developed by Backyard Brains to make neuroscience education more accessible.
The US physician workforce has a significant international training component, with 128,729 physicians (15%) trained in lower-income countries. This highlights a potential problem for global healthcare, as these countries lose their investment in medical education.
Research published in BioMed Central's Flavour journal found that strong smells associated with food lead to smaller bites, suggesting aroma could regulate portion size. The study suggests a possible link between bite size and flavor sensation, potentially aiding weight loss by reducing intake per bite.
A multinational team of researchers found that house mice (M. m. domesticus) colonized Iceland and Greenland during the Viking age, mirroring human settlement patterns. The analysis of mouse mitochondrial DNA showed no evidence of mice in Newfoundland, suggesting a fleeting presence.
Researchers found that honokiol down-regulates pro-inflammatory cytokines and enzymes in microglia via Klf4, a protein regulating DNA. Honokiol also reduces inflammation and neuronal death by targeting Klf4 and pNF-kb.
The new journal aims to facilitate better interaction between scientists, policy-makers, and managers, with a focus on synergistic interactions and open data publishing. It will consider conventional papers as well as 'Applied Conservation Papers' that bring together project reports and other knowledge.
A study published in PLOS ONE found that crocodilians possess a remarkable capacity for generating force through their bites. The researchers measured bite forces and tooth pressures for 23 species of crocodilians, with saltwater crocodiles displaying the strongest bite force at over 3,700 pounds.
Researchers have discovered that Japanese honeybees use a novel defense mechanism when threatened by Asian giant hornets, creating a 'hot defensive bee ball' to cook the hornet. This behavior differs from European honeybees and is associated with increased neural activity in higher brain centers.
In Colombia, an integrated pest management (IPM) program for coffee berry borer successfully reduced insect damage and improved quality. The program involved harvesting fewer berries per tree, increasing parchment coffee bean quality, and increasing the proportion of high-quality specialty coffee sold.
A new study has failed to replicate a controversial experiment suggesting the existence of precognition, thereby debunking claims of psychic ability. The researchers, led by Stuart Ritchie, found no statistically significant effects in their attempts to replicate the results.
A new method of social network analysis has been developed to identify opinion leaders and media experts in the field of health. The system, which uses text mining technology, was tested on the topic of obesity and found experts with an accuracy of about 90%. It also identified non-scientific experts who support a particular cause.
A study of over 6,600 US mothers found that giving birth to unusually small infants doubles the risk of ischemic heart disease. The correlation was independent of other factors, suggesting that such pregnancies may induce cardiovascular changes and be an early risk factor for heart disease.
The journal will publish all future articles under an Attribution-NonCommercial 3.0 Unported Creative Commons License, allowing non-commercial use and citation. This conversion enables wider dissemination of biomedical research and accelerates discovery.
Researchers found that chimpanzees intervene in conflicts to preserve group peace, exhibiting prosocial behavior based on community concern. This policing activity was rare and limited to high-ranking individuals, who were more willing to intervene if several quarrelers were involved.
A study published in PLOS ONE found that individuals who consumed more fruit and vegetables experienced increased skin redness and yellowness, which were associated with improved health and attractiveness. The researchers monitored participants over six weeks and discovered a correlation between diet and skin color changes.
A new computational model accurately reproduces the emergence of fashion trends by considering people's copying of cultural traits and preferences. The results show that only a few cultural traits become popular and trends with rapid popularity are abandoned quickly.
Desert ants were trained with magnetic and vibrational landmarks relative to their nest, showing that the behavior was learned. The ants had no innate preference for these cues, suggesting they are adaptable navigators.
Researchers used bovine collagen to enhance gum healing around exposed roots, resulting in thicker margins and complete coverage of roots in over half the cases. The study found that the collagen acted as a scaffold for the body's own cells to repair damage, making it a possible solution for patients with limited donor tissue.
New research suggests Triceratops and Torosaurus should be classified into two distinct groups, based on morphological and computational analysis of 35 specimens. The study found evidence that some Torosaurus skulls were immature, contradicting previous hypotheses.
Research proposes that parasite evolution plays a key role in host sex-biased parasitism and disease expression. Characteristics like morphology and behavior differ between sexes, posing unique challenges for parasites, which may adapt more to one sex than the other.
A recent trial published in BMC Medicine suggests that rest and exercise are equally effective in alleviating lower back pain due to Modic changes. The study found no significant difference in pain reduction between the two groups after a 10-week trial and one-year follow-up.
The study reveals four distinct age distributions in basin sediments, tracing stages of basin formation and reflecting long-term secular variation. These findings shed light on the dynamic interplay of orogenic, erosional, and sediment-transport systems that shaped the region's geology.
Researchers have identified over 50 genes linked to age-related macular degeneration, including those involved in inflammation and wound healing. These findings may lead to new diagnostic methods and treatment targets for the disease.
Researchers discovered that A. ervi lays two eggs in infected hosts and one egg in uninfected hosts, overcoming bacterial symbiont defenses through a compound secreted by developing wasps.
A recent study published in PLOS ONE found that climate change is affecting bird migration timing in North America, with species shifting their arrival times by as much as 3-6 days per degree Celsius. The study used citizen science data from amateur birdwatchers to analyze the effects of spring temperature warming on migration patterns.
Researchers have discovered an extremely old anthropomorphic figure engraved in rock in Brazil, dating back to between 9,000 and 12,000 years ago. The find supports the hypothesis that humans settled the New World relatively early and suggests a diverse range of symbolic thinking among early American settlers.
Researchers discovered that low-dose carbon monoxide therapy restored placental function, preventing fetal death and growth restriction. The treatment also showed anti-inflammatory properties and increased levels of vascular endothelial growth factor, promoting blood vessel repair.