A study found that plain cigarette packs reduce their appeal among young Brazilian women, while branded packs are considered more stylish and sophisticated. The research supports the recommendation for plain packaging to reduce smoking among youth and young adults.
Researchers predict increased likelihood of large-volume lava flows and phreatomagmatic eruptions at Yellowstone National Park along three NNW-trending fault lines. Geochemistry suggests rapid magma ascent without storage, supporting a higher probability of future volcanism along these regions.
Research published in PLOS ONE found that young children consider merit when sharing resources, taking into account the amount of work they contribute and their partner's contribution level. However, a self-serving bias was also observed, with few children giving away more than half of the reward even when their partner had worked more.
The analysis of Sinocalliopteryx gigas' abdominal contents suggests that these dinosaurs were adept stealth hunters capable of tackling prey over a third their size. The study also found evidence of eating bird-like dinosaurs and primitive birds, providing new insights into their hunting behavior.
A botany student has confirmed the existence of a new species, New England Banksia, previously classified as a variety of the Hairpin Banksia. The study, published in PhytoKeys, used molecular evidence to support the distinct species status of New England Banksia.
A new collection of articles introduces methodological innovations for estimating child mortality, crucial for monitoring progress toward the MDG goal. The UN IGME's evidence-based estimates are necessary for planning national and global health strategies.
Cytomegalovirus (CMV) infection is a significant risk factor for type 2 diabetes in the elderly, according to new research. CMV infection can cause inflammation and damage pancreatic cells, leading to insulin resistance and increased glucose levels.
Researchers found that managers and non-managers exhibit differential brain activation patterns during decision-making, with managers showing a more heuristic, automated approach. This study provides insight into the neural basis of managerial decision-making and its differences from non-managerial decisions.
Research published in PLOS ONE found that patients with anorexia have difficulty judging their own body size, but can accurately estimate the size of others. The study suggests that individuals with anorexia may still hold a distorted perception of their own body shape even after recovery.
Researchers found that both high and low mating rates are detrimental to female sea slug fitness, suggesting indirect benefits to traumatic mating. The study suggests that there may be additional fitness benefits beyond reproduction.
Researchers have identified a biochemical marker, SSEA4, that can be used to identify and purify human pancreatic stem cells. These stem cells can differentiate into insulin-producing cells when grown in culture with high glucose levels, potentially offering a new approach for treating type 1 diabetes.
Researchers found a direct relationship between the brightness of European paper wasps' colours and the size of their poison glands. This colouration serves as an honest signal to predators that the wasp is strong and healthy, potentially wasting energy on bright patterns.
A new study found that VLBW infants fed more than 75% human milk grew slower than those fed less than 75%. Fortifying human milk with protein and calories can help improve growth rates. The research suggests that a balanced approach is necessary to provide the benefits of human milk without sacrificing growth.
Research reveals that individuals who exhibit spiteful behavior are consistent in their actions over time, imposing maximum harm on others. The study, conducted by Erik Kimbrough and Philipp Reiss, used an artificial auction market scenario to test the frequency and extent of spiteful behavior among 48 student participants.
A new study investigates the relationship between beetle body size, horn size, and grip strength in males. The researchers found that male beetles have a stronger grip than females, likely due to their larger limb size.
A recent study of the Old Order Amish population found associations between certain bacterial species and metabolic syndrome, suggesting potential targets for medication, diet or lifestyle changes. The researchers identified specific species but not full gut communities linked to metabolic syndrome traits.
Researchers have successfully derived human embryonic stem cells from frozen embryos after 18 years of storage. This breakthrough provides a valuable alternative source of ES cells for drug screening and medical research.
Archaeological tools from an ancient site outside Jerusalem provide insights into land use patterns and sustainable resource management during extreme climate change. The study, published in PLOS ONE, suggests that Neolithic humans adapted to changing environments by clearing forests for fields and grazing lands.
A study published in PLOS ONE found that increased stress in men is associated with a preference for female body sizes ranging from normal to overweight. The researchers discovered that stressed men rated normal weight and overweight figures more highly than non-stressed men.
Researchers found that moles' SOX9 expression occurs sooner in hands than feet, allowing for stronger forelegs and enlarged digging front paws. This adaptation enabled moles to thrive underground, with specialized features such as Os falciforme.
Research published in PLOS ONE found that autistic children who received a pet scored higher in 'offering to share' and 'offering comfort' categories after the pet arrived compared to before. Participants who had lived with pets since birth showed weaker relationships with their pets.
A new study found that 14% of trauma victims developed hypothermia upon arrival, with head injuries and intubation being independent risk factors. The study recommends controlling infusion fluid temperature and using heated ambulances to reduce the incidence of hypothermia.
The Botanical Society of America (BSA) has launched an open-access journal, Applications in Plant Sciences (APPS), to promote the rapid dissemination of new tools and protocols. APPS will be part of BioOne's Open Access Collection, fostering communication within the botanical community to advance plant sciences.
Research published in PLOS ONE found that monarch butterflies with darker orange wings flew significantly longer distances than those with lighter wings. The study suggests an association between pigment level and flight distance, paving the way for further research into butterfly wing color.
Young children exhibit similar associative learning and problem-solving skills to birds until around 8 years old. After this age, their performance surpasses that of the birds, according to a new study published in PLOS ONE.
A 500-year-old Incan mummy was found to have a bacterial lung infection at the time of death, according to a new study published in PLOS ONE. The researchers used proteomics to analyze immune system response from degraded samples and found that one mummy had a protein profile similar to those with chronic respiratory infections.
Researchers have documented the physiological events in lace plant leaves during programmed cell death (PCD), revealing how cells dismantle and disappear. The study used long-term live cell imaging and staining to observe the progression of PCD, which is essential for producing the characteristic holes in the leaves.
A naturally occurring line of immunodeficient pigs can support the growth of human tumors, making them a promising large animal model for studying human cancers. The ability of human melanoma cells and pancreatic carcinoma cells to grow in these pig models could lead to significant advancements in cancer research and drug discovery.
Women experiencing high job strain are more than twice as likely to have a heart attack compared to those with low-strain jobs. A 10-year study found that elevated job strain has long-term cardiovascular health effects in women.
New research suggests that Neandertal arm morphology was caused by scraping activities such as hide preparation, not spear thrusting. This challenges the previous hypothesis that spear thrusting was responsible for the observed asymmetry in their skeletons.
Researchers have developed a new body shape index (ABSI) that combines BMI and waist circumference to predict mortality hazard independently of BMI. The study analyzed data from over 14,000 US adults, finding ABSI to be strongly correlated with death rate.
A novel yeast strain has been developed that can produce bioethanol from xylose, a previously untapped sugar in plants. The hybrid yeast outperforms existing strains in ethanol production and xylose fermentation efficiency.
Directly targeting microRNA-125b to block androgen receptor activity represents a novel approach for treating castrate-resistant prostate cancer. The study provides new insight into the mechanism of miR-125b regulation of castrate-resistance prostate cancer.
A new study published in BMC Medicine has found that open access journals are producing high-quality peer-reviewed articles with a similar scientific impact to traditional subscription journals. The study compared the citation rates of over 610 open access journals and over 7,000 subscription journals, finding that the differences disa...
A new study found that young children who watched more hours of TV had worse muscular fitness and larger waist sizes by adolescence. This correlation could lead to increased risk of adult health problems if left unaddressed. Researchers recommend reducing screen time for toddlers to promote healthy physical development.
Current genomic research resources and bioinformatics methods are insufficient for personalized genomic medicine, citing shorter linkage disequilibrium regions and unprobed variants.
A widely-held belief that certain eye movements indicate lying has been debunked in a new study published in PLOS ONE. The researchers found no correlation between eye movement direction and truthfulness, challenging existing approaches to detecting deceit.
Research published in PLOS ONE reveals a significant association between menopausal hormone therapy and high blood pressure in postmenopausal women. Longer use of hormone therapy was found to increase the odds of developing high blood pressure, although this risk decreased with age.
A study published in PLOS ONE found that sharing a meal with a former romantic partner is more likely to make the current partner jealous than other activities. The researchers also found no significant differences in jealousy reported by male and female participants.
GigaScience offers a new era of publishing with its open access, open data format, hosting large datasets and analysis tools alongside traditional articles. This allows readers to test scientific conclusions using underlying data and analysis tools, overcoming reproducibility issues.
Researchers have discovered ancient domesticated caprines at Leopard Cave in Namibia, dated to the end of the first millennium BC. The findings provide new insights into the origins of domestication and herding practices in southern Africa.
GigaScience, a new journal from BGI and BioMed Central, publishes large-scale biological research in a unique format that combines standard articles with complete data hosting and analysis tools. This allows readers to test scientific conclusions using underlying data and analysis tools.
Research reveals that king penguins in areas with daily human disturbance show less stress from noise and approaching humans, but experience increased heart rate after capture. The study emphasizes the importance of considering human presence effects on ecological studies and conservation measures.
Researchers found that chronic inflammation caused by immune system challenges can lead to long-term neurological changes and memory problems in mice. The study suggests that this early event may be an important step in the development of Alzheimer's disease.
Research reveals that ants farm subterranean aphids in clone groups, with over half of ant mounds containing a single species or clone. This unique farming method allows ants to actively manage diversity and abundance, maximizing honeydew yield and dietary protein.
Research found that consuming more dietary vitamin B12 and animal protein lowered arsenic levels in toenails, while eating more vegetable and animal fat also had a protective effect. However, omega-3 fatty acids were associated with increased arsenic levels.
Researchers tracked elephant movement patterns in Kruger National Park, finding sharp changes at season thresholds. This approach offers a biologically relevant definition of seasons, distinct from arbitrary human-made boundaries.
Researchers found that geckos evolved sticky toepads repeatedly, with about 60% of species having adhesive pads. The study suggests that adhesive toepads arose independently 11 times and were lost nine times during gecko evolution.
Research in Namibia's grasslands reveals that 'fairy circles', circular bare spots surrounded by taller grass, exhibit a life cycle with varying life spans. The study finds that smaller circles are generally shorter-lived than larger ones, with life spans ranging from 24 to 75 years.
A systematic review published in BMC Medicine found that properly supervised residents' care is safe and of equal quality to that of fully trained doctors. Adequate supervision and evaluation are crucial for maintaining patient care, according to the study's lead author.
A new EEG test distinguishes between children with autism and neurotypical controls by analyzing brain connectivity. The test reveals reduced short-range connectivity in the left hemisphere, particularly in language regions, but increased long-distance connectivity as a compensatory mechanism.
Researchers found that male blue tits make fewer hunting trips to feed their brood if their mates have UV-reflecting crowns smeared with chemicals. However, they continue to protect and defend their chicks equally well as males with non-UV-treated females.
Children aged 8-10 years spent an average of just 4% of their day engaging in moderate to vigorous physical activity, falling short of the daily recommended amount. This early disparity highlights the need for interventions to encourage primary school children to become more physically active.
A recent study published in PLOS ONE found a significant association between traffic noise exposure and an increased risk of heart attacks. The research showed that every 10 decibels of noise above the threshold resulted in a 12% higher risk of myocardial infarction.
Researchers found that majority of Wikipedia pages are peaceful, but edit wars are waged between strongly disagreeing editors. Consensus is generally reached in a reasonable time, even for controversial articles, except in cases of never-ending wars with multiple active editors.
Male Cardiocondyla obscurior ants use chemical tagging to identify and kill younger rival males, ensuring colony survival. This behavior increases the chances of surviving fights against two-day-old males to 14%.
Researchers discovered a unique trapping mechanism in Nepenthes gracilis pitcher plants, where raindrops dislodge clinging ants, propelling them into the digestive cavity. This behavior allows for efficient capture of prey without manual intervention.
Researchers taught a robot to converse with humans as if it were a small child, enabling the robot to move from babbling to producing salient wordforms. This study may be useful for understanding language acquisition in humans.
A 25-year study in Northern Sweden found that a switch to low-carbohydrate diets after reducing fat intake led to an increase in cholesterol levels, indicating a higher cardiovascular risk. Despite initial success in reducing cholesterol levels through dietary changes, the population's BMI continued to rise over time.
Researchers found that parasitic plant Rafflesia cantleyi has 'stolen' genes from its host Tetrastigma rafflesiae, including those related to respiration and metabolism. This horizontal gene transfer has replaced the parasite's own gene activity in three-quarters of the cases.