A modified version of Google's PageRank algorithm is used to rank proteins by their genetic relevance to pancreatic cancer progression. Seven proteins were found that can help assess tumor aggressiveness and guide treatment decisions.
Researchers used CT images and MRI data to reconstruct Phineas Gage's brain injury, finding widespread white matter damage. This study provides new insight into the neural network connectivity of Gage's brain, shedding light on his reported behavioral changes after the accident.
A study published in PLOS ONE found that the use of polymyxins and tigecycline, considered 'drugs of last resort', increased at US Veterans Affairs medical centers between 2005 and 2010. The findings suggest a growing epidemic of multidrug-resistant bacteria.
Critically endangered leatherback turtles show distinct travel modes in the North Atlantic and Eastern Pacific, with varying speeds associated with foraging and transit. The study suggests that Pacific turtles struggle to achieve high foraging success, hindering their population recovery compared to Atlantic turtles.
Research shows bacteria adapt by sharing waste and resources with each other to improve community functioning, contrary to competing for individual benefits. This cooperative behavior leads to better collective resource breakdown and improved ecosystem performance.
An international treaty is proposed to address global health research and development issues, ensuring coherence, fairness, efficiency, and sustainability. The treaty aims to provide fair contributions and benefit sharing from all countries, generating a globally sustainable system.
A study published in PLOS Medicine found that pre-birth exposure to tenofovir did not increase birth defects or growth abnormalities among infants born to African HIV-positive women. The researchers analyzed data from the DART trial and found no adverse effects on pregnancy outcomes or infant health.
An international convention on global health R&D is recommended by the WHO expert group to secure a systemic solution. The proposed convention aims to create a formalized platform for R&D coordination, pooling financial investments and holding countries accountable for their actions.
Despite significant barriers to public outreach, many scientists participate in activities targeted at school-aged children, including women and those with families. The study found that having children was positively correlated with participation in outreach efforts.
Researchers found that carnivorous plants in symbiosis with ants produced larger leaves, increased nitrogen availability, and improved growth. The ants acted as the plant's 'gizzard', recycling nutrients from insects caught in the plant's traps.
A study published in PLoS ONE found that reading larger font sizes produces emotion effects in event-related potentials that begin earlier and last longer than smaller font sizes. The researchers also found that bigger words elicit stronger emotional brain responses.
Researchers found that non-verbal sensorimotor communication between conductors and musicians improves music performance. The study measured movements of bow and baton to show how closely correlated leadership can lead to better musical output.
A study using ancient DNA from archaeological sites found that gray whales had a substantially larger population before whaling and experienced a sharp recent decrease, consistent with whaling as the cause. The research suggests a pre-whaling decrease in population size of about 78,000 to 116,000 individuals.
A recent study in PLOS Medicine challenges the widely-held view that foreign aid for health displaces government funds in recipient countries. Experts Rajaie Batniji and Eran Bendavid re-analysed data to find no straightforward negative relationship between government spending on health and foreign aid for health.
A study by Keith Hawton and colleagues found a significant reduction in co-proxamol-related poisonings after its UK withdrawal in 2005. Deaths involving other analgesics remained stable despite increased prescribing, suggesting the removal of co-proxamol had major benefits on suicide rates.
Funding for non-custodial alternatives, community service, and legal representation are essential to reduce overcrowding and HIV/TB transmission. African governments have a responsibility to address life-threatening prison conditions contrary to international law.
A new essay examines what constitutes 'life' and the probability of discovering new life forms. Professor Gerald Joyce argues that a truly new life form would arise through chemistry, not biology, and that humans long for intelligent life in the universe.
A survey of 4,000 US Ph.D. students found that interest in faculty positions wanes with more years in school, while non-academic careers become increasingly attractive. The study suggests a need for more information and resources about pursuing non-academic careers.
A new study by the University of California Santa Barbara found that female brown-headed cowbirds prefer less intense wing-spreading displays as courtship behavior. This suggests that current physical condition may not be the most reliable measure of male quality for females to use when choosing a mate.
The study found that Chile's sandy beaches experienced lasting changes due to the earthquake and tsunami, with uplifted beaches showing rapid recolonization of intertidal species. The data provides insight into human-altered coastal landscapes, which could inform future projects.
A study found that genetic variations in an odor receptor gene affect responses to cooked meat, shedding light on controversies surrounding androstenone content. Researchers investigated participants' responses to different pork samples, revealing a significant impact of the gene variant on taste perception.
A recent study published in PLOS Biology reveals that touch sensitivity is hereditary and linked to genetic mechanisms that support hearing. The research found a strong correlation between touch and hearing acuity in healthy human populations, suggesting that a single mutation may impair both senses.
A scheme supporting midwives in rural Nigeria has improved maternal, newborn, and child health outcomes by redistributing healthcare workers. The Midwife Service Scheme helps address health inequities between urban and rural areas, offering a potential model for low-income countries.
Researchers have discovered that the NKCC1 protein may hold key to understanding how glioblastoma, the deadliest type of brain cancer, moves and invades healthy brain tissue. Blocking NKCC1 with a cheap FDA-approved drug slows movement of glioblastoma cells, suggesting a potential new approach to treat this aggressive cancer.
A Mendelian randomization analysis found a continuous association between increased BMI and risk for ischemic heart disease, with no threshold below which BMI increase has no effect on IHD risk. The study's findings have important implications for public health policy.
A genetic study has identified genes that may be responsible for the Western African Pygmies' relatively small size. The researchers found that genetic mutations in certain pathways govern reproductive hormone activation and growth hormone regulation, which could be linked to early reproduction as an adaptation to their environment.
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%.
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.
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 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.
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.
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.
Countries with limited health research capacity are mainly small islands and politically isolated nations, according to international experts. Establishing national health research strategies is crucial for public health systems to function and thrive.
A study published in PLOS Medicine found that immediate induction of labor does not significantly improve pregnancy outcomes for women with preterm prelabor rupture of membranes. Instead, expectant management is recommended to reduce the risk of maternal infection and neonatal sepsis.
The editors of PLOS Medicine argue that disclosure policies for financial conflicts of interest in medicine may actually exacerbate the problem of bias. Studies in social science suggest that overemphasis on disclosure can leave the root issue unaddressed.
A study in PLOS Computational Biology reconstructs the complete early evolutionary history of biological carbon-fixation. The researchers identified an early form of carbon fixation that achieved built-in robustness, allowing early life to compensate for internal chemistry issues.
A study published in PLOS ONE found that soccer fans' testosterone and cortisol levels rise when watching a game, regardless of age, gender, or interest level. However, cortisol levels only increased for dedicated young male fans who perceived a strong threat to their social esteem if their team didn't win.
A recent study found that carnivorous mammals, including humans, tend to have shorter breast-feeding periods than herbivorous or omnivorous species. This may be due to the higher-quality diet that allows for earlier brain development and weaning. The research suggests that meat-eating played a crucial role in human evolution and popula...
The study found that 60% of planned dams would disrupt the free-flowing nature of many Andean-Amazon rivers, threatening the region's biodiversity. Nearly half of the proposed dams were classified as high impact, highlighting the urgent need for strategic planning and evaluation of new dams.
Researchers found that sertraline, a common antidepressant, accumulates in yeast cells and triggers membrane curvature, suggesting a potential alternative mechanism for depression treatment. The study supports the idea that depression is linked to brain-derived neurotrophic factor (BDNF) secretions, not just serotonin.
A new study uses a pathogen-based incidence approach to generate infectious disease burden estimates in Europe, attributing morbidity to specific pathogens. The methodology has limitations but shows the need for further research and integration of demographic changes and infection dynamics.
A study of Chinese industrial workers found that long-term exposure to silica dust was associated with substantially increased mortality. The risk of death from all causes and specific diseases, such as lung cancer and cardiovascular disease, increased with increasing exposure levels.
A study proposes a triage tool to optimize lab capacity for patients with high CD4 failure likelihood. The model could help focus laboratory-based CD4 count testing on those who need it most.
Researchers from NUS identified a protein called FTIP1 that triggers flowering in plants under normal light conditions. Plants with mutant versions of the gene flowered later, but were restored to normal when the functional version was introduced.
The study used DNA sequencing to analyze 15 samples of traditional Chinese medicines, revealing potentially toxic plant ingredients, allergens, and endangered animals. The results highlight the need for regulation and enforcement in the industry.
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 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...
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.
Increasing escapement can improve the natural environment by benefiting grizzly bears, who will consume more salmon and occur at higher densities. This leads to a better environment for salmon, with more discarded salmon entering downstream life and enriching the ecosystem.