Add BrightSurf on Google Email

PLOS


Rise of the war machines: Identifying key drivers of the evolution of military technology in pre-industrial societies

A new analysis spanning 10,000 years of history and ten major world regions found that world population size, major technological advances, and geographical connectivity are key drivers of military technology evolution. The study's methodology employed a resource called Seshat: Global History Databank to empirically test prior hypotheses.

SourcePLOS·JournalPLOS ONE·TypeComputational simulation/modeling·DateOct 20, 2021

A new standard for reporting epidemic prediction research

International panel develops EPIFORGE guidelines to standardize reporting of epidemic prediction research, aiming to improve manuscript quality and impact. The checklist outlines 19 recommended items, including clear data sources and public availability of computer code.

SourcePLOS·JournalPLOS Medicine·TypeNews article·DateOct 19, 2021

Disease outbreak simulations reveal influence of “seeding” by multiple infected people

A new analysis suggests that the continuous arrival of infected individuals has a significant influence on the evolution and severity of local outbreaks. The researchers found an association between the number of seed arrivals and the speed of spread, final number of people infected, and peak incidence rate.

SourcePLOS·JournalPLOS Computational Biology·TypeComputational simulation/modeling·DateOct 14, 2021

Snakes diversified explosively after the dinosaurs were wiped out

A study found that snakes rapidly diversified their diets following the K-Pg mass extinction event, incorporating birds, fish, and small mammals into their diet. This diversification was triggered by ecological opportunities presented by the extinction, with some lineages experiencing further bursts of adaptive evolution.

SourcePLOS·JournalPLOS Biology·TypeSystematic review·DateOct 14, 2021

During the COVID-19 pandemic, nearly 70% percent of surveyed healthcare workers in Ghana and Kenya met criteria for stress and burnout, which are associated with low job satisfaction

A study found that nearly 70% of surveyed healthcare workers in Ghana and Kenya experienced stress and burnout during the COVID-19 pandemic. The researchers suggest that perceived preparedness plays a crucial role in mitigating these negative effects on job satisfaction.

SourcePLOS·JournalPLOS Global Public Health·DateOct 13, 2021

The calculated costs of setting up labs to monitor antimicrobial resistance in resource-limited settings may be prohibitive without financial support

The cost of establishing laboratories to track antimicrobial resistance in Southeast Asian hospitals is substantial, making it challenging for many countries to implement such programs. Financial support is crucial to overcome these costs and provide effective antimicrobial resistance monitoring.

SourcePLOS·JournalPLOS Global Public Health·DateOct 13, 2021

Free food provided to US households at school and work is relatively unhealthy, though food for families in the supplemental nutrition assistance program appears to be of better nutritional quality

A study published in PLOS ONE found that free food provided to US households at school and work is of poor nutritional quality. In contrast, food for families receiving the Supplemental Nutrition Assistance Program (SNAP) appears to be of better nutritional value.

SourcePLOS·JournalPLOS ONE·DateOct 13, 2021

Non-English-language science could help save biodiversity

A recent study published in PLOS Biology found that science written in languages other than English may hold untapped information crucial to the conservation of global biodiversity. The research analyzed over 400,000 peer-reviewed papers and identified 1,234 studies providing scientific knowledge on saving species and ecosystems.

SourcePLOS·JournalPLOS Biology·TypeComputational simulation/modeling·DateOct 7, 2021

Students engaging in COVID-19 distance learning were more motivated and persistent – and less likely to procrastinate – when they perceived themselves as autonomous, competent and socially connected

A multi-country study finds that students performing COVID-19 distance learning exhibit increased motivation and perseverance when they perceive themselves as self-motivated and connected to others. The study also reveals lower procrastination rates among these students.

SourcePLOS·JournalPLOS ONE·DateOct 6, 2021

Study gauges healthcare worker stress during pandemic

A new study found that healthcare workers, especially those under age 50 and women, experienced exceptionally high levels of stress during the first wave of the COVID-19 pandemic. The researchers analyzed data from an international questionnaire and discovered that paramedical staff had even higher stress levels than medical doctors.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateOct 6, 2021

Line and hook fishing techniques in Epipaleolithic Israel

A study at Jordan River Dureijat site in northern Israel uncovered a wide variety of hook shapes and sinkers, indicating humans had profound knowledge of fish behavior. The findings coincide with the beginning of agriculture in the region, highlighting the importance of aquatic resources for human subsistence.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateOct 6, 2021

Increase in fatal opioid overdoses after hospital discharge

Researchers investigated whether hospital admission and discharge are associated with increased risk of fatal drug overdoses. The study found that the first two days after hospital discharge is a critical moment for people who use illicit opioids.

SourcePLOS·JournalPLOS Medicine·TypeObservational study·DateOct 5, 2021

Satirical essay critiques power imbalances in global health research

A satirical opinion article by Iruka Okeke critiques the extractive and exploitive aspects of health research partnerships between high-income and low-income countries. The author highlights twenty problematic practices that maintain and exacerbate inequities in global health biomedical research.

SourcePLOS·JournalPLOS Biology·TypeCommentary/editorial·DateSep 30, 2021

Clover growth in Mars-like soils boosted by bacterial symbiosis

Researchers found that clover grown with symbiotic nitrogen-fixing bacteria in Martian regolith experienced significant 75% more root and shoot growth compared to uninoculated plants. However, the regolith showed no excess production of nitrogen compounds, suggesting a potential role for these microbes in terraforming Mars soils.

SourcePLOS·JournalPLOS ONE·TypeExperimental study·DateSep 29, 2021

Seven symptoms jointly predict COVID-19 diagnosis

Researchers developed a model using data from over 1.1 million volunteers to identify the 7 most informative symptoms for COVID-19 test allocation. The model predicted PCR positivity with high accuracy, resulting in potential 30% to 40% increase in eligible individuals and 70% to 75% detection of positive cases.

SourcePLOS·JournalPLOS Medicine·TypeObservational study·DateSep 28, 2021

Overcoming challenges to global child and adolescent health

A special issue of PLOS Medicine explores the social determinants of child and adolescent health, including poverty, pollution, and violence. The studies focus on the intersection of child health and challenging environments, highlighting urgent redirective strategies to achieve the UN Sustainable Development Goals.

SourcePLOS·JournalPLOS Medicine·TypeCommentary/editorial·DateSep 28, 2021

Magnetic stimulation of the brain can improve episodic memory

A PLOS study found that low-frequency magnetic stimulation can improve episodic memory by reducing beta-waves in the brain. The study, led by Mircea van der Plas and Simon Hanslmayr, used slow rTMS over the left prefrontal cortex to enhance verbal memory formation.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateSep 28, 2021

AI may predict the next virus to jump from animals to humans

A study published in PLOS Biology suggests that machine learning models using viral genomes can predict the likelihood of an animal-infecting virus infecting humans. The researchers identified generalizable features in viral genomes that are independent of taxonomic relationships and developed models to identify candidate zoonoses.

SourcePLOS·JournalPLOS Biology·TypeComputational simulation/modeling·DateSep 28, 2021

Elephants strive to cooperate with allies, until the stakes get too high

A study published in PLOS Biology found that Asian elephants successfully cooperated in 80% of trials, using strategies like fighting back or moving sides to prevent cheating. However, cooperation quickly broke down when one partner could monopolize the reward, revealing a complex dynamic in their social behavior.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateSep 28, 2021

Vampire bats prefer to forage for blood with friends

Female vampire bats with close social bonds leave the roost separately but reunite when hunting, indicating a preference for cooperative foraging. The study also reveals three distinct call types used during foraging trips, including one that may help identify friends and foes.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateSep 23, 2021

Contact-tracing apps could improve vaccination strategies

Mathematical modeling suggests that contact-tracing apps can help achieve herd immunity by identifying individuals with greater exposure to others and targeting them for vaccination. The approach, known as 'hot-spotting,' could reduce the number of vaccine doses needed by up to half.

SourcePLOS·JournalPLOS ONE·TypeComputational simulation/modeling·DateSep 22, 2021

Online searches may reduce predisposed belief in misinformation

A new analysis suggests that online searches can reduce belief in misinformation about Zainichi Koreans, particularly among those who were predisposed to believe it. However, participants showed an increase in negative feelings toward the group after conducting their searches, despite correction of specific misinformation.

SourcePLOS·JournalPLOS ONE·TypeExperimental study·DateSep 22, 2021

Studies biased toward white genomes still predict cancer risk in diverse groups

A new study found that genome-wide association studies (GWAS) results from people with European ancestry can still be applied to predict breast and prostate cancer risk in diverse groups. However, the findings emphasize the need for more diverse participants in GWAS analyses to realize the full potential of polygenic risk scores.

SourcePLOS·JournalPLOS Genetics·TypeExperimental study·DateSep 16, 2021

Heterogeneous development of children with Congenital Zika Syndrome-associated microcephaly

A new study published in PLOS ONE found that children born with congenital Zika Virus-related microcephaly have varying levels of neurodevelopmental impairment. The researchers used a routine neurological assessment to track the children's development, revealing differences in cognitive and motor skills. The findings suggest that HINE ...

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateSep 15, 2021

Married couples in supportive relationships felt significantly less stressed while watching horror movie clips with their partner than without, as measured by pupil dilation

Married couples in supportive relationships showed a significant decrease in stress levels when watching horror movie clips with their partner compared to alone. The study found that spousal emotional support and relationship quality have a buffering effect on pupillary response to horror movies.

SourcePLOS·JournalPLOS ONE·TypeExperimental study·DateSep 15, 2021

Concentration of microparticles in lakes reflect nearby human activity and land use

A study published in PLOS Biology suggests that microparticle concentrations in lakes are higher than previously reported and can be predicted by surrounding land use. The researchers found that areas with more human activity and lower forest cover had higher microparticle concentrations, while lakes with more active microorganisms had...

SourcePLOS·JournalPLOS Biology·TypeObservational study·DateSep 14, 2021

Protein from the liver may cause Alzheimer’s disease in the brain

A new study suggests that peripherally produced amyloid-beta protein from the liver can cause neurodegeneration and brain atrophy in mice. The findings indicate that peripheral A-beta has the ability to cause neurodegeneration and may be a potential contributor to human Alzheimer's disease.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateSep 14, 2021

Cavalier King Charles spaniels carry more harmful genetic variants than other breeds

A recent study found that Cavalier King Charles spaniels have an increased number of disease-causing mutations compared to other breeds. The breed's history of intense breeding and limited gene pool has led to the accumulation of harmful genetic variants, including those linked to myxomatous mitral valve disease, a common heart condition.

SourcePLOS·JournalPLOS Genetics·TypeExperimental study·DateSep 2, 2021

Optimal lifting of COVID-19 restrictions would follow pace of vaccination, study suggests

A new analysis suggests that the pace of vaccination should directly dictate the lifting of COVID-19 restrictions to boost freedoms and minimize new waves of infection. The study's findings suggest that further severe waves can be avoided if restrictions are lifted no faster than the pace dictated by vaccination progress.

SourcePLOS·JournalPLOS Computational Biology·TypeData/statistical analysis·DateSep 2, 2021