Reducing mRNA methylation promotes migration of macrophages into the brain and clearance of toxic protein amyloid-beta. This pathway provides a potential new target for treatment of Alzheimer's disease.
Researchers found that bumblebee colonies adopt and prefer specific solution methods to a puzzle box problem, demonstrating the importance of social learning. The study suggests that bees with prior experience can teach others, leading to the spread of behavioral approaches within the colony.
Researchers used AI to analyze literature describing compounds that enhance mitophagy, a process damaged in Parkinson's disease. Probucol, a cholesterol-lowering drug, was identified as the most effective compound with improved motor function and neuron loss in animal models.
Analysis in the US, UK, Brazil, and Argentina shows that winners' Twitter supporters respond faster and engage more positively than losers' supporters. The study found reduced toxicity levels among winners' supporters, suggesting a correlation between winning and increased social media engagement.
A study published in PLOS ONE analyzed a Bronze Age debris deposit in Mycenae, Greece, revealing the types of animals that lived there and how they were used as a source of subsistence. The analysis of animal remains and associated artifacts provides clues to the social dynamics of ancient settlements and responses to natural disasters.
A survey study of U.S. college students found that individuals who frequently think about their favorite celebrities, feel compelled to learn more about them, and are prone to boredom are more likely to engage in celebrity stalking behaviors. These factors were not associated with anger or thrill seeking.
A new study published in PLOS Global Public Health found that factors such as marriage status, age, and education are associated with pregnancy termination in 36 low- and middle-income countries. The study used data from over 1.2 million women aged 15-49 and found that married women, those over 30, and those with higher education were ...
A review of evidence suggests that increased parental energy investment in young offspring may have facilitated the evolution of larger brains in some species. This is particularly true for warm-blooded species, which tend to invest more energy in their young through actions such as egg production and lactation.
Researchers developed an updated conservation metric, EDGE2, incorporating scientific uncertainty and status of related species. This approach identifies top-priority species for protection, preserving over 700 million years of evolutionary history, and allocates limited funds effectively.
A new study found that individuals with a normal gastrointestinal biopsy still have a higher risk of developing inflammatory bowel disease (IBD) in the years following the biopsy. The study of over 450,000 individuals in Sweden showed that symptoms of IBD may start significantly before the disease shows up on biopsy.
A new UK Biobank study analyzes data on nearly half a million participants and finds that Asian and Black groups have lower all-cause mortality rates compared to White groups. The study also identifies specific risk factors associated with each ethnic group, such as mental health diagnoses for Asians and parasitic diseases for Blacks.
Over 3,700 Chinese adults advocate for government and personal responsibility in addressing climate change. The surveys highlight the need for China to assume a leading role in global efforts to combat climate change.
Experts predict that automation will reduce time spent on household and care work by 39%, with grocery shopping being the most automatable task. The study suggests that cultural and gender diversity is crucial in shaping future research on domestic automation.
Cash transfers have been shown to alleviate common mental disorders in low- and middle-income countries. The findings suggest that unconditional cash transfers are particularly effective in reducing symptoms of depression and anxiety.
A new model investigates long-term temporal trends in synoptic-scale weather conditions favoring significant tornado occurrence over the central United States. The study suggests that specific weather patterns have contributed to increased tornado activity in this region.
A study published in PLOS ONE reveals that two elite brothers from Late Bronze Megiddo, Israel, had access to trephination, a rare brain surgery procedure, around 1500 BC. The brothers' tomb contained evidence of chronic disease and advanced bone lesions, suggesting they survived due to their wealth and status.
Researchers analyzed ancient fossils in South Africa to discover a new predatory fish species from the Late Devonian period, estimated to be around 360 million years old. The species, Hyneria, may have grown up to 2.5m long, making it one of the largest known fish species from this era.
Researchers found that conifer-killing beetles can detect the smell of a beneficial fungus through specialized neurons in their antennae, allowing them to identify infected trees. This detection system enables the beetles to locate fungi-produced compounds in tree resin, which may serve as cues for feeding and breeding.
A study found that vaccinated people are less likely to have opportunistic pathogens in their nose and throat, and also experience milder symptoms of COVID-19. This is attributed to the presence of transcriptionally active nasopharyngeal commensals, which play a key role in defining mild symptoms.
Research found that being bullied based on sexual orientation or gender identity was significantly correlated with feelings of sadness and hopelessness, as well as suicide attempts. Cyberbullying, social bullying, and bullying based on race also had significant correlations with mental distress and suicide attempts.
Participants with high extraversion, agreeableness, and openness scored higher on face focus; those with social anxiety, depression, and alexithymia focused less. Face preferences are linked to both personality and psychopathology levels, with 17% of viewing time spent on faces.
A new analysis of Swedish workers' employment timelines highlights varying patterns of active work and work interruptions over 15 years. Women were found to be more likely to have longer periods of interruption due to parental leave and sickness-absence benefits, independent of socioeconomic factors.
Pregnant women who fast during Ramadan tend to give birth to babies with lower weights. However, this effect is reduced in women consuming a high-fat diet outside of fasting hours, according to new research.
A dolphin-like species of kentriodontid, which lived in the western North Pacific, may have gone extinct 14 million years ago. Global cooling is thought to be a key factor in their extinction.
Vegetation in North America's mountains is shifting to higher elevations at an unprecedented rate, driven by climate change. This shift is occurring faster than many animal species can adapt, with widespread changes observed across diverse ecosystems.
A study published in PLOS Digital Health found that ChatGPT scored between 52.4% and 75.0% on the USMLE exams, exceeding the passing threshold of approximately 60%. The model demonstrated high concordance rates and produced significant insights for most responses.
A study of 3,284 London adolescents found associations between air pollutants and blood pressure. Higher nitrogen dioxide exposure was linked to lower systolic blood pressure in girls, while higher particulate matter 2.5 exposure was linked to higher systolic blood pressure in boys.
Dust from the Moon could be fired into space to attentuate the Sun's rays, a potential solution for climate change mitigation. The study, published in PLOS Climate, calculates the feasibility of this approach.
Researchers found that consumers are less likely to like, trust and buy a product after a change in branding intended to address racism. Despite being informed of the intention, consumers still exhibit negative reactions to the rebranding.
A study published in PLOS ONE found that common microbiome analysis techniques can yield erroneous results due to incomplete DNA databases. The researchers used computer simulations to test the consistency of current methods, showing that a large number of detected species are not actually present in the community.
A new analysis of 7,068 elderly Americans found that only 41% of cognitive decline can be statistically accounted for by dementia. Personal education, race, household wealth and income were the biggest contributors to population-level variation, but all factors accounted for only 5.6% of age-related change.
A new study predicts global antimicrobial use in food-producing animals will increase by 8% by 2030 if stronger regulations are not implemented worldwide. The findings highlight the need for stricter controls on antimicrobial use, which has raised concerns over antimicrobial resistance.
Researchers analyzed cremated bone fragments from burial mounds in Derbyshire, UK, finding evidence that Vikings crossed the North Sea with animals from Scandinavia. The study suggests that most likely, they were travelling alongside humans on ships.
Researchers discovered a strong association between loneliness, lack of social support, and various dementia risk factors. The study found that modifiable lifestyle factors, such as physical activity and smoking habits, can impact social isolation and ADRD risk.
A new study analyzed 3,452 dogs with cancer to determine median ages of diagnosis based on characteristics such as weight, breed, and sex. The findings suggest that giant breeds, males, and purebred dogs tend to receive a cancer diagnosis at relatively younger ages.
A large cohort study found that vitamin D supplementation is associated with a reduced risk of suicide attempts among US veterans. The study highlights the importance of vitamin D levels and supplementation in preventing suicidal behaviors, particularly among Black veterans and those with pre-existing low vitamin D.
A study of nearly 2 million Tweets in London and San Francisco identified specific events and locations associated with different emotions. The analysis showed that certain locations, such as hotels and restaurants, were linked to higher levels of joy, while train stations and transportation sites were linked to disgust.
Over half of women with urinary tract infections experience impairment in sex life, sleep, and exercise, as well as reduced quality of life. The study also found significant costs associated with uncomplicated UTIs among US females.
A global survey of large carnivore attacks found that attacks in high-income countries occurred mostly during recreation, while those in low-income countries were linked to livelihood activities. The study also highlighted the importance of tailored approaches to prevent such attacks.
A study of 1.4 million individuals found β-blocker use associated with a 13% lower risk of violent crime and an 8% lower risk of hospitalization due to psychiatric disorders. The findings suggest that β-blockers may be considered as a way to manage aggression and hostility in individuals with psychiatric conditions.
A new randomized controlled trial found that self-help metacognitive therapy significantly reduces anxiety and depression symptoms in recovering heart disease patients. The study suggests this treatment approach may be beneficial for individuals with cardiovascular disease who struggle with rumination.
Plant-based protein products are generally reported positively in UK newspapers, but issues such as high processing levels and environmental footprints of protein crops dominate the narrative. The study suggests that big business involvement is also a significant concern.
A meta-analysis of 253,810 individuals from 11 countries found that preterm infants tend to have similar body mass indexes (BMIs) as their term-born peers by adolescence. This suggests that early life factors may not significantly impact long-term BMI in preterm children.
A new study found that UK soft drink taxes led to an 8% reduction in obesity among 10-11 year old girls, with greatest reductions seen in most deprived areas. The tax, introduced in 2018, was associated with a decrease in childhood obesity rates.
A Polish study reveals that birch trees grown in highly polluted areas produce pollen with higher levels of the main allergen. The research found significant changes in the physicochemical properties and allergen content of birch tree pollen.
Fossilized mammals reveal that early primates adapted to life in the high Arctic during a time of intense global warming, with limited biodiversity. Two new species, Ignacius dawsonae and Ignacius mckennai, were identified as close relatives of early primates, exhibiting distinct adaptations for their unusual environment.
A new study analyzing over 14,000 people found that parents with sleep disorders have a significantly higher risk of experiencing stress. The study also discovered that children with sleep disorders can nearly double the risk of their parents developing insomnia and sleep apnea.
A machine-learning analysis of 59 million online posts reveals associations between real-world events and various types of hate speech, including anti-immigration and LGBTQ-related slurs. The study suggests a complex relationship between triggering events and online hate speech, with potential implications for mitigating such speech.
Global health organization's disease outbreak news has shifted from high-income countries to low- and middle-income countries, with a growing focus on antimicrobial resistance. The study analyzed 23 years of WHO Disease Outbreak News reports, providing insights into changing global threats.
Researchers found abnormal 12-hour gene activity cycles in postmortem brains of patients with schizophrenia. The study identified altered timings of neural connections and mitochondrial function, suggesting potential underlying causes for behavioral abnormalities.