A recent study published in the American Journal of Respiratory and Critical Care Medicine found that using race-based equations to evaluate lung disease can lead to under-treatment of Black patients. The research, conducted by a team at the University of California - San Francisco, used data from SPIROMICS, a multi-center cohort of ev...
Researchers discovered 70 new species, including beetles, sea slugs, ants, fish, scorpions, and flowering plants, from five continents and three oceans. The discoveries advance the Academy's mission to regenerate the natural world through science, learning, and collaboration.
A new study found that COVID-19 lowered expenses for orthopaedic surgery residency applicants due to the elimination of in-person interviews and away rotations. The median total expenses decreased from $7,250 in 2020 to $2,250 in 2021, with significant savings seen in interview and away rotation costs.
A study found that a sea level drop 2,000 years ago caused the decline of Sambaqui society, forcing groups to disperse into smaller social units. The remaining populations intensified fishing, exploiting high-trophic level species.
A study from Children's Hospital of Philadelphia found that only 8% of pediatric healthcare providers feel prepared to assess autistic patients' readiness to drive. The researchers suggest developing resources to prepare providers and families for transportation decisions, which could improve psychosocial, health, and employment outcomes.
A major international study found that stress is a key global risk factor for cardiovascular disease, with severe stress increasing the risk of heart attacks and strokes by 22-30%. The study followed 118,706 individuals in 21 countries over ten years.
Aging is associated with increased levels of local non-pituitary growth hormone in the colon, which contributes to epithelial damage. Targeting this growth hormone action with available drugs may lead to a novel anti-aging therapeutic strategy.
A clinical study and register studies have failed to confirm previous findings that a medicine blocking testosterone could help against COVID-19. The researchers found no discernible signs of the drug having any beneficial effect on participants' health status.
Researchers at Louisiana State University have identified 14 new endemic species of shrews on the Indonesian island of Sulawesi, a significant milestone in understanding the island's extraordinary biodiversity. This discovery highlights the importance of taxonomy in understanding and preserving life.
A study of nearly 5 million Danish residents finds mRNA vaccines associated with a low risk of myocarditis or myopericarditis after COVID-19 vaccination, particularly for Moderna and Pfizer-BioNTech. Absolute numbers are low, even in younger age groups.
Residents in eastern US cities experience up to 4.9 degrees Celsius increase in nighttime urban heat stress index, with extra 30 minutes of uncomfortable weather per degree C temperature increase. This effect is more pronounced in the southeastern US, where residents face up to five extra hours of uncomfortable weather during summer.
Researchers from Leiden University and Johannes Gutenberg University Mainz discovered that Neanderthals used fire to keep the landscape open, transforming their local environment. The study found evidence of hunter-gatherer activities dating back 2,000 years, challenging previous assumptions about human impact on ecosystems.
Research reveals that American middle-aged adults experience worse mental health than their peers in other countries, while the protective effect of education wanes. Education previously shielded against depression and memory difficulties, but its benefits are now diminishing.
Researchers at UC Davis Health developed a new treatment that simultaneously blocks IL-6 and TNF cytokines, providing superior protection against acute graft-versus-host-disease severity and mortality. The dual-cytokine blockade approach did not impair beneficial graft-versus-tumor effects.
A Flinders University study found that online menus placed with healthy food items at the top increase the likelihood of choosing them by 30-40%. The researchers investigated menu placement on both physical and digital menus to encourage healthier eating habits.
A new study reveals that cannabis plants can absorb heavy metals from the soil, making them potentially toxic for consumers. The research proposes strategies for growers to avoid heavy metal uptake in their crops, including choosing farmland with low heavy metal content and selecting varieties not bred for phytoremediation.
The study found that animal strains of SARS-CoV-2 are closely related to human strains in the same geographic regions, indicating widespread interspecies transmission. Multiple emerging variants were detected across many countries in various animal species, suggesting a potential reservoir for future virus establishment.
A full-scale model of the mouse hippocampus uncovers a new mechanism for pattern separation, where inhibition separates patterns and reduces activity makes it easier to distinguish differences. The study challenges historical views on pattern separation and suggests focal inhibition as an essential factor.
A new study by Cornell University found that moving professional conferences online reduces the global event industry's carbon footprint by 94%, and shifting to a hybrid model cuts it to 67%. The annual carbon footprint of the industry is comparable to the yearly greenhouse gas emissions of the entire US.
New research finds that social media echo chambers can create a strong bond and increase the likelihood of radicalization. In studies examining posts on Gab and Reddit's "Incels" community, researchers found that users who aligned with the group's morals were more likely to use hateful language toward outgroups.
A USC study found that people whose moral beliefs align closely with their online community are more prone to radicalization, posting hate-speech messages. The research also replicated findings in another extremist network on Reddit, highlighting the role of morality in fueling online radicalization.
Researchers have discovered evidence of human habitation in the Faroe Islands dating back to around 500 AD, with signs of domestic sheep arrival at this time. The findings, based on lake sediments and DNA analysis, provide conclusive proof that humans inhabited the islands before the Vikings, who are thought to have arrived around 850 AD.
Researchers found that theropods strengthened their jaws through time, with expanding rear jaw portions and evolving different jaw shapes depending on diet. This allowed them to exploit a wider range of food items and minimized bone fracture risk.
Researchers analyze water molecules around protostars to confirm the presence of UV radiation in low-mass star-forming regions. They find that HCN and CN molecules are good indicators of UV radiation, with HCN being more sensitive to photodamage.
Researchers have developed a method to fabricate ITZO TFTs without CO impurities, resulting in high-mobility and stability. This breakthrough could pave the way for next-generation display technologies and replace more expensive silicon-based technologies.
The 2020 wildfires in Brazil's Pantanal wetland resulted in the deaths of an estimated 16.9 million vertebrates, including lizards, birds, and primates. The study estimates that between 13.2 million and 18.8 million small vertebrates and 691,000 to 1.2 million medium-to-large vertebrates were killed.
Researchers are part of a five-year global study examining the behavioral and long-term health impacts of different regulatory approaches to e-cigarettes and other new nicotine products among youth and adults in seven countries. The study aims to inform US public policy based on evidence, maximizing population health.
A new study by Penn State College of Medicine and Virginia Commonwealth University researchers found that e-cigarettes with cigarette-like nicotine delivery may help some people stop smoking cigarettes. Participants who received a device with 36mg/mL nicotine showed significantly higher quit rates and increased days without smoking com...
Researchers grew 'mini-brains' from stem cells of patients with and without schizophrenia, finding reduced gene expression in patient samples that stymied brain cell development. Replacing the missing genes restored normal brain cell production, suggesting a potential target for therapy.
A new device has been developed that converts sunlight into two promising sources of renewable fuels – ethylene and hydrogen. The researchers found that by optimizing the working conditions for cuprous oxide, a promising artificial photosynthesis material, they can create a more stable system.
Researchers developed P-/Sn-based composites with high-capacity and stability anode materials for sodium-ion batteries. The study reveals a new approach to produce cost-effective and scalable solutions.
Researchers have developed a computer program that can control a robot using electrical signals emitted by a patient's brain, allowing them to move the robot with their thoughts. The system uses an algorithm that can learn from the patient's brain activity and adjust the robot's movements accordingly.
Scientists have found that the gene PBK is overexpressed in pulmonary hypertension, causing excessive cell proliferation and thickening of pulmonary artery walls. They are now exploring PBK inhibitors to reduce cell proliferation and improve heart and lung function.
Two Canadian-led brain research teams will receive funding to develop and validate new measures of dementia care and outcomes, addressing existing measurement gaps. The projects aim to improve care practices and desired outcomes for individuals with dementia, in collaboration with the Alzheimer's Association and Brain Canada.
Researchers found that climate change is causing a compound effect of extreme events in the oceans, including heatwaves, acidity, and low oxygen levels. This combination can be fatal to marine species, especially those already living at the upper end of their optimal temperature range.
Researchers at Pedro Hispano Hospital installed a gas capture system that collected and recycled waste anaesthetic gases, reducing potent greenhouse gas emissions. The system, based on the principle of circular economy, can be reused in future anaesthetics, significantly reducing emissions.
Researchers found that a Parkinson's disease mutation mislocalizes iron in activated microglia, leading to toxic iron accumulation. This mislocalization may explain the disease's progression and provide a basis for therapies targeting LRRK2.
A Texas A&M University study reveals that mussel beds shield tiny crabs and isopods from temperature swings and drying out on hot days. This 'ecological air conditioning system' provides crucial protection for heat-sensitive species, helping them weather near-term climate change effects.
A recent Penn State survey found that most respondents strongly support bird conservation, but are largely unaware of the current state of bird populations in Pennsylvania. The study revealed significant misconceptions about bird populations and their decline over the past 50 years.
Middle-aged women with higher self-compassion had thinner carotid artery walls and less plaque buildup, linked to lower cardiovascular disease risk. The findings persisted even when controlling for behaviors and psychological factors.
Researchers found that a combination of light exercise, connecting with loved ones, and engaging in hobbies reduces memory decline in adults between 65-89. The study's machine learning model analyzed 33 activities, showing increased impact with age.
A longitudinal study found extremely concerning levels of psychological distress in the UK nursing and midwifery workforce during COVID-19. Key workplace-related factors, including redeployment and inadequate training, were associated with adverse psychological effects.
Researchers at MIT have developed a new fabrication technique that enables the creation of soft actuators with 75% lower voltage requirements and 80% more payload capacity than current versions. This breakthrough could lead to the development of flying microrobots with improved performance and payload capabilities.
A £750k project will help businesses recover from the pandemic through workshops and local grants. The University of Huddersfield is partnering with Spectrum People and Wakefield Council to support economic recovery and mental health.
The study predicts that the Balearic Islands will lose between 56 and 65% of their beach area permanently due to climate change. This loss is mainly attributed to sea level rise, which will cause devastating inroads on the coastline.
Research found that cacao agroforestry systems support unique bird species in tropical dry forests, while bats are more abundant in these areas than in nearby forests. This suggests that cacao farms can serve as biodiversity-friendly oases, providing food and refuge for birds and bats.
A study published in the Futures journal found that people attending mass 'raves' during the Covid-19 lockdown broke fewer pandemic guidelines than single vaccinated 80-year-olds. The researchers suggest this is linked to the outlook of ravers, who tend to have a slower-life history strategy and are more future-oriented.
Research highlights growing health disparities in diabetes technology adoption between Black and white Medicare patients. Insulin pump and CGM use increased among all groups, but widened gap found between racial groups.
Researchers at USTC reconstructed precipitation patterns in East Asian monsoon region during the Holocene and proposed a driving mechanism. The study suggests that low-latitude seasonal insolation changes, modulated by Western Pacific Subtropical High, control monsoon precipitation variation.
Researchers developed a smart system to accurately identify volatile organic compounds (VOCs) and benzene, toluene, and xylene molecules in the air. The system uses thermal modulation to enhance recognition capabilities and offers a powerful route for exploring future advanced VOCs recognition electronics.
A recent study found that older people experienced more positive and less negative emotions than younger people during the Covid-19 pandemic. This advantage was consistent across cultures and countries, with older adults better able to avoid situations that triggered negative emotions. The researchers suggest that this resilience is du...
A new study found that prenatal exposure to phthalates affects ovarian steroidogenesis and folliculogenesis in female mice offspring, leading to lower hormone levels and impaired fertility. The researchers discovered that phthalate mixtures can inhibit the expression of genes involved in hormone production.
Researchers from Japan have developed a new method to synthesize a pure Si-CHA membrane showing much higher CO2 separation performance than existing membranes. The key to this achievement is using a porous silica substrate instead of alumina, eliminating problems with pore size reduction and improving efficiency.
Researchers from CNRS and ENS de Lyon reveal the driver behind Pluto's Sputnik Planitia basin's flat polygons separated by narrow troughs, which is a sign of thermal convection within the icy mass. The process bears resemblance to ocean movements, not ice layer behavior on Jupiter and Saturn moons.
Leading scientists recommend a new scientific approach called 'living evidence' that provides rigorous and trustworthy summaries of relevant research in real-time. This system aims to overcome the challenges of rapidly shifting research evidence and inform informed decisions.
A large observational study found that children conceived through assisted reproductive techniques (ART) have generally good mental health throughout adolescence and young adulthood. However, those born after ART had a slightly elevated risk of obsessive-compulsive disorder, which was explained by parental background factors.
Researchers from SUTD developed a simple method to perform direct ink writing 3D printing of okara without using food thickeners. This innovation enables the creation of snacks with controlled texture and boosts food supply sustainability and waste reduction.
Georgia State University researchers discover how crowds can make bridges unstable due to tiny vibrations from each person walking, which can be amplified significantly. The new insights will help engineers and bridge designers build safer structures.
Researchers deployed a seismic array in unused telecom fiber optic cable to detect dozens of aftershocks missed by permanent stations after a magnitude 5.1 earthquake in Tangshan, China. The findings demonstrate how 'dark fiber' can be used for ultra-dense seismic monitoring in urban areas.
A simplified mathematical model found a 'lag time' between human intervention and an actual decrease in CO2 levels, which could still lead to climate tipping points. The researchers used a system of stochastic delay differential equations to analyze various emission reduction and carbon capture strategies.