A study found that connections between visual and language processing regions in the brain influence object knowledge. Stroke patients' brains showed stronger connections meant better performance on color-identification tasks.
The study investigates how early membranes may have selected the right-handed sugars and left-handed amino acids used in all life today. The researchers found that right-handed DNA and RNA sugars more easily passed through membranes with properties similar to those of archaea.
Researchers identified poly-metabolite scores in blood and urine associated with ultra-processed food consumption, providing an objective measure of UPF intake. The study found hundreds of metabolites linked to energy from UPFs, enabling the creation of a score predictive of diet quality.
Researchers uncover genetic basis for distinct red cheek pigmentation patterns in male and female zebra finches. The study reveals region-specific transcriptome analysis insights into sexual dichromatism.
The Global Fund's replenishment cycle is underway with a target of $18 billion, but funding cuts pose a significant threat to global responses to HIV, TB, and malaria. The authors call for enhanced coordination and re-prioritization of efforts in low- and middle-income countries.
A study found that impulsivity in ADHD is linked to reduced physical activity, which can contribute to obesity. Urban lifestyle factors like food insecurity and access to mental health care influence this relationship.
The 'How Equitable Is It?' tool, now updated with community feedback, evaluates scholarly communication models based on seven core assessment criteria. The new version offers clearer guidance and definitions for assessing equity in publishing arrangements.
A study by Bernauer et al. found that democratic countries offshore environmentally-damaging products more than others, leading to lower greenhouse gas emissions at home. This challenges the notion of democracies having a moral high ground in environmental protection.
In a study published in PLOS, gelada monkeys demonstrated an understanding of complex vocal exchanges involving distress calls and prosocial comforting responses. The monkeys exhibited surprise when such vocal exchanges were manipulated to violate their expectations.
A study analyzing 2,750 Barbie dolls found that the percentage of dolls with tip-toe posture decreased over time, while employed versions were more likely to have flat feet. Fashion-focused dolls were more likely to have tip-toe posture. The study suggests changing workforce roles and laws may reflect in Barbie's foot posture.
A new blue Ranitomeya species has been discovered in the Amazon's Juruá River basin, featuring copper-colored legs. This finding represents one of only two novel Ranitomeya species identified in a decade.
A camera trapping study reveals India's Ladakh territory is home to the world's highest densities of snow leopards. The research estimated that 68% of India's total population lives in this region, with Hemis National Park having the highest recorded density.
A recent study found that situational or state curiosity may increase across the lifespan, particularly in older adults. This type of curiosity has been linked to improved well-being and cognitive outcomes in older age.
A recent study on Reddit climate change discussions found that only 1 in 25 links are from scientific sources, highlighting the lack of science-based debate on the platform. The study also highlighted the dominance of mass media and social media sources, which often spread misinformation.
Researchers found that individuals with excessive and dependent social media use are more likely to engage with and believe false information. The study suggests that social media addiction may lead to increased susceptibility to misinformation.
A study of 200 mpox social media memes found that 4 in 10 contained misinformation or stigmatized minority groups, despite most promoting awareness and education. The majority of memes were accurate and informative, highlighting the need for responsible online content creation.
A randomized clinical trial with 30 female participants found that neither hot nor cold water immersion improved muscle recovery from exercise-induced damage. Despite physiological differences between groups, none showed significant improvements in muscle soreness or swelling.
A six-year US longitudinal study suggests that religious and spiritual engagement are associated with better physical health outcomes. The research found no evidence to support the notion that religion or spirituality leads to improved physical well-being.
A meta-analysis of over 140,000 participants found a significant association between excess weight and neurological/neuropsychiatric symptoms in post-COVID-19 condition. The study suggests that maintaining a healthy weight may be crucial in mitigating these symptoms.
A new study suggests that urban agriculture alone can only feed about one fifth of a city's population, but combining it with near-urban farming can ensure food security for the entire city. Peas are found to be the best crop for maximizing protein and calories while minimizing land requirements in normal climate scenarios.
Alzheimer's disease and other dementias are rising rapidly in China due to population growth and high-risk factors like high blood sugar, smoking, and obesity. The study projects continued rise unless effective interventions are implemented.
A global analysis reveals significant differences in disease rates, diagnosis, treatment, and death between males and females for three common conditions. Males are more likely to get sick and die from hypertension, diabetes, and HIV/AIDS, while also being less likely to seek medical care.
A survey of U.K. adults with face blindness reveals the condition's impact on daily life, including difficulty recognizing family members and close friends. The study found that a third of participants struggle to recognize immediate family members, highlighting the condition's significant effects on relationships.
Researchers found that a fertility rate of at least 2.7 children per woman is needed to reliably avoid eventual extinction in small populations. A female-biased birth ratio can reduce extinction risk, helping more lineages survive over time.
A study of 73 countries found that national action plans have improved indicators of antibiotic resistance over time. Despite criticism, ambitious efforts by high and low-middle income countries are crucial to tackle antibiotic resistance.
A new study found that many home washing machines are insufficient for decontaminating healthcare worker uniforms, allowing antibiotic-resistant bacteria to survive. The researchers propose revising laundering guidelines or using on-site industrial machines to improve patient safety.
Researchers addressed a cognitive bias that leads people to overlook negative consequences when making plans. By prompting individuals to consider these consequences explicitly, the authors show that this bias can be mitigated.
A study published in PLOS One found that conservatives tend to rate their mental health higher than liberals, likely due to stigma surrounding the term. However, when respondents were asked to rate their overall mood instead, the gap disappeared, revealing a more nuanced picture of mental well-being.
Researchers found that captive-bred axolotls can survive in both artificial and restored Mexican wetlands. However, they may need specific temperature conditions to thrive, offering insights for amphibian reintroductions and translocations.
A study found that ayahuasca users with a history of anxiety or depression, or those using it in non-traditional settings, were more likely to report adverse mental states. However, some 'adverse effects' like visual distortions were associated with better reported mental health outcomes.
Researchers used fossil data to predict the home range of Protemnodon, an extinct giant kangaroo, finding it had a smaller foraging range than expected. Climate change and habitat disruption led to local extinction when this small range could not find enough food.
A new study published in PLOS One has found the first direct, physical evidence of human-animal combat from Europe during the Roman Empire, with a skeleton showing signs of bite marks from a large cat like a lion. This discovery provides new insight into the life and history of Roman-era England.
A new study suggests that most US school shooters came from social backgrounds where guns were a key part of their lives, often for family bonding. Researchers found that all shooters had easy access to the firearms they used, which contributed to the tragedy.
A study on novice passengers during and after zero-gravity parabolic flights reveals that their parasympathetic nervous system function plays a crucial role in shaping their space travel experience. The research highlights the need for assistance to be provided to space tourists to mitigate potential effects.
Modelling analysis reveals sediment levels and nitrogen concentrations will increase with development and forest conversion upstream. The study forecasts water quality degradation at drinking water intakes across the regional watershed.
Researchers analyzed over 1,700 ancient grape seeds to discover that grape cultivation in Italy began during the Late Bronze Age, with gradual domestication taking place over centuries. The study reveals that Italian wine heritage dates back to Western Europe's broader landscape.
Analysis indicates a potential east-west gradient of increased red meat allergy risk in the Mid-Atlantic US due to fragmented habitats. Tick bites may play a role in triggering this condition.
A study published in PLOS Biology found that individuals who receive dynamic facial-expression feedback from an avatar's face tend to gamble more than those receiving real human feedback. The amygdala plays a key role in this facilitation, with increased valuation of uncertainty contributing to increased risk-taking behavior.
A study found DDT residues in trout from Canadian lakes, with levels up to ten times the recommended safe limit. The persistence of these residues poses a risk to wildlife that consumes the fish.
A new Bluetooth-based positioning system offers a low-energy, low-cost method of tracking older adults' mobility, improving patient safety and caregiver efficiency. The system was able to correctly identify a person's location 96% of the time in suburban homes.
A study published in PLOS Climate found that Americans are more likely to discuss climate change with family and friends if they feel worried or perceive society as supportive of pro-climate behaviors. Perceived social norms emerged as the strongest predictor, followed by worry, exposure to media coverage, and perceived risk.
A team of researchers, led by Jean-Paul Noel, has discovered that the brain's motor area largely coincides with the onset of intention. The study used a brain-machine interface to separate intentions from actions in a paralyzed participant, revealing a compressed temporal binding between intention and action.
A new analysis of job applicant data from a large employer found that Ban-the-Box policies had little impact on employment rates for individuals with criminal records. Despite initial hopes that these policies would improve job prospects, the study suggests that any benefits may be reversed during subsequent candidate assessment.
A specialized manufacturing process was used to produce a large-scale production of purple dye in ancient Israel's Tel Shiqmona. The discovery sheds new light on the Iron Age production of this valuable resource.
A New Zealand study found that three-quarters of long-term vegans met daily total protein requirements, but only half met daily lysine and leucine requirements. Legumes and pulses were key contributors to overall protein and lysine intake.
Researchers have developed new bat cell lines and reagents to study the bat's antiviral immune response, providing insights into susceptibility to hantaviruses and coronaviruses. The study aims to improve our understanding of viral infections in bats.
Researchers developed a low-cost, non-invasive test that uses cell-free DNA to predict preterm birth with high accuracy. The test has shown promising results in a case-control study.
Researchers discovered that Purkinje cells in the cerebellum signal to stop tongue movement as it approaches a target, allowing for precise control of tongue movements. This understanding is crucial for developing treatments for symptoms linked to cerebellar dysfunction, such as vocal muscle spasms and speech disorders.
A study found that temperature and rainfall partly explain regional variation in snake venom composition, with snakes in drier regions having higher protease activity. This data can be used to create maps of expected venom types across Russell's viper's range in India.
Researchers monitored daily wastewater concentrations of multiple viruses at five sites in the UK, revealing links with site-specific reported events. The findings suggest that near-source wastewater monitoring could benefit local communities and provide earlier warnings of wider trends.