Researchers investigated association between social support, cognitive function, and brain marker for Alzheimer's vulnerability. They found that different forms of social support were related to brain volume and cognition.
A study of 6,280 households found that younger children are more likely to transmit SARS-CoV-2 to caregivers and siblings. The study suggests that household transmission is a significant concern for pediatric patients.
A study finds that local perceptions of COVID-19 risk often don't align with national infection rates, leading to inconsistent public behavior. The research suggests that community-level organizations and high-level institutions need to work together to provide accurate information and support individuals in understanding the risks.
The NSF CAREER award will support Mike Gowanlock's research on developing new parallel algorithms to process large data volumes from the Legacy Survey of Space and Time. The grant also funds a new undergraduate course teaching parallel computing using GPUs, ensuring graduates have skills for future generation computer systems.
The study found that the first dose of mRNA vaccine primes the immune system, while the second dose boosts the T-cell response, which can last for years. In people with a history of COVID-19, the T-cell response was already robust after the first dose, with no significant increase after the second dose.
A new study reveals that the small protein MOTS-c prevents the destruction of insulin-producing pancreatic cells in mice with autoimmune diabetes. MOTS-c treatment supports regulatory T-cells and reduces the activation of killer T-cells, effectively preventing disease onset.
Sandia National Laboratories completed the first production unit of a weapon assembly responsible for key operations of the W88 nuclear warhead. The new arming, fuzing and firing assembly ensures the system works as intended when authorized, with rigorous testing conducted to validate its design.
Researchers Chris Kempes and David Krakauer present a new three-layered framework to recognize life's full range of forms. By considering the space of possible materials, constraints, and optimization processes, they argue that life can originate multiple times, taking on diverse forms such as culture, computation, and forests.
Impaired information flow through the basal ganglia is responsible for Parkinson's disease symptoms. The 'direct pathway' plays a crucial role in initiating voluntary movements, and its disturbance leads to motor symptoms like trembling hands and muscle stiffness.
A new study uses long-read sequencing to reveal diverse splicing events and unique exons in circular RNAs, which may play a role in neuronal disease. The research identifies microexons, previously linked to autism, as preferential findings in circRNAs.
Researchers at University of Illinois and Argonne National Laboratory will explore magnetic materials to reduce noise in quantum computing hardware. The team aims to design non-reciprocal circuitry by harnessing magnetic features, which could lead to a hybrid device for sensing and communication applications.
Prices paid to in and out-of-network anesthesiologists decreased after surprise billing legislation was introduced, with California and Florida seeing significant drops. In-network prices also decreased in these states, suggesting a direct impact on provider-payer negotiating dynamics.
Researchers at Max Planck Institute elucidated the molecular mechanism of Molnupiravir, an antiviral agent that reduces Sars-CoV-2 coronavirus transmission. By incorporating RNA-like building blocks into the virus genome, Molnupiravir prevents further replication and transmission.
A new study finds that urbanization is causing many mammal species to grow bigger, contrary to Bergmann's Rule. The study analyzed over 140,000 measurements of body length and mass from North American mammals collected over 80 years.
Researchers at USTC discovered effective temperatures consistent with characteristic temperatures in equilibrium systems, bridging nonequilibrium and equilibrium theories. This finding helps establish accurate recognition of effective temperatures, linking slow-evolving nonequilibrium systems.
Researchers used autologous adipose micrografts to treat tendon injuries in sheep, achieving similar diameter and hardness to healthy tendons within two months. The study suggests a safe, reliable, and relatively fast way to promote tendon healing, with potential for human treatment.
Researchers at UNC Chapel Hill found that first-year college students reported decreased alcohol use and binge drinking during the pandemic. Social factors such as social distancing and reduced social support were associated with these decreases, while stress-related factors played a lesser role for most students.
A new study in mice suggests that preterm birth may alter long-term brain development due to the loss of placental hormone allopregnanolone. Reduced ALLO levels led to changes in brain structure and behavior, including autism-like behaviors, which were prevented with a single injection of ALLO.
A new study shows that having someone available to listen can improve cognitive resilience and reduce the risk of cognitive decline. The study found that individuals with higher listener availability had better cognitive function despite similar physical aging or disease-related changes.
A recent study suggests that personal carbon allowances (PCAs) may be a feasible solution to reduce emissions and promote sustainable lifestyles. The researchers propose a market-based approach to provide individuals with incentives and options to link their actions with global carbon reduction goals.
Researchers found that blind and sighted adults share identical understanding of color, including reasoning and explanations, in experiments with natural and man-made objects. This challenges the notion that blind people lack deep knowledge of visual phenomena.
Researchers have developed a new material that can convert heat into energy, with potential applications in textiles and electronics. The woven nanotube fibers show promise as building blocks for fiber and textile electronics, and could also be used to cool sensitive electronics.
A large-scale population-based study confirms that COVID-19 vaccines far outweigh the risk of Bell's palsy. The study found a small increased risk of Bell's palsy associated with CoronaVac vaccination, but not with BNT162b2.
NTU scientists create soft and stretchable battery powered by human perspiration, suitable for wearable devices. The battery generates electricity in the presence of sweat, providing a sustainable alternative to conventional batteries.
A Bar-Ilan University study found that individuals with more relaxed heart rate/respiratory function 2-3 years prior to SARS-CoV-2 reported greater mental well-being during the pandemic. Physiological measures such as RSA and SCL were used to assess individuals' mental well-being and regulation of negative emotions.
Researchers have created a new model that estimates the economic impacts of climate tipping points, such as disintegration of the Greenland Ice Sheet. The study finds that exceeding these tipping points could lead to increased economic costs of climate change impacts by up to 25%.
Researchers completed the first genetic sequencing of a Brazilian snake's genome, revealing that most toxin genes likely arose from existing functions in ancestral species. The study identified markers for comparing toxin genes with non-toxic 'ancestral' genes, shedding light on the evolution of venom production.
Researchers found that college students with low viral loads can still transmit the virus, and Ct values are not a reliable predictor of transmissibility. The study suggests that symptomatic individuals tend to have higher viral loads or maintain their viral loads for longer periods.
Researchers have discovered elevated blood clotting markers in patients with Long COVID syndrome, which may contribute to their persistent symptoms. The study suggests that the clotting system may be involved in the root cause of Long COVID.
Researchers at MUSC identify a type of fat called sphingolipid that could predict the severity of heart disease in African American patients with lupus. Higher levels of Lac-Cer are associated with increased disease activity and may have predictive value for patient progression.
A research team from USTC developed an up-conversion single-photon detector to achieve millimeter-level 3D non-line-of-sight imaging. The detector operates at picosecond resolution and has low noise counts rate, enabling high-precision 3D reconstruction of target objects.
A new study of the Ophiuchus star-forming complex offers an analog for the formation of our solar system, suggesting that short-lived radioactive elements were enriched through supernovas in a nearby cluster. The research provides new insights into the conditions in which our solar system was born.
A new study found that limiting passive screen time and news consumption, having a structured daily schedule, and getting enough sleep can promote resilience against mental health problems in youth. The study also identified a strong association between pandemic-related stressors and psychopathology, but noted that children with lower ...
A new global risk index highlights the alarming decline of pollinators, which are crucial for food production and ecosystem services. The top causes of pollinator loss include habitat destruction, pesticide use, and climate change, with serious consequences for human populations, particularly in the Global South.
A recent study found that microplastic ingestion by dinoflagellates lowers their growth and abundance, affecting the larger marine animals that feed on them. The impact is significant, with energy transfer up the food chain reduced by as much as 30%.
A University of Houston researcher is using cutting-edge techniques to study how testosterone affects the brain and social behavior. Using genetically modified African cichlid fish, Beau Alward aims to identify the specific genes and neurons involved in these processes.
Boston University has received a $50,000 Prize for Enhancing Faculty Gender Diversity from the National Institutes of Health. The institution's three-pronged approach to supporting women STEMM faculty members has substantively improved gender equity, including increased rates of promotion and diversified leadership.
A Hebrew University study reveals that as worldwide lead production increases, so do rates of lead absorption in people, leading to toxic effects. The research uses ancient human bones to show the close relationship between lead production and human exposure.
A team of scientists from Princeton University found that the Arctic Ocean's nitrogen supply is limited by strong stratification, preventing plankton growth and potentially affecting fish populations. The research used fossilized plankton to study the history of nitrogen sources and supply rates in the western and central Arctic Ocean.
Researchers at USTC achieved a significant reduction in noise by 670 times compared to previous strategies, enabling solid quantum memory with high fidelity. The new protocol, NLPE, uses double rephasing to manipulate spontaneous noise emission and separate the signal from the noise.
Scientists develop a quantitative model to explain ultra-high fluxes in covalent organic frameworks (COFs) films, enhancing water desalination and purification. The work reveals mechanisms of enhanced evaporation through nanochannels, reducing vapor diffusion length and preventing salt crystallization.
Researchers from Terasaki Institute for Biomedical Innovation developed a method to fabricate ultrathin gold shells around silver nanowires, improving their stability and effectiveness. The gold-coated nanowires showed superior durability and performance in various tests, outperforming commercial nanowires.
Researchers identify gene regions responsible for non-target-site herbicide resistance in waterhemp, a key step towards early detection and management tools. By analyzing the genome of waterhemp, scientists have narrowed down the genetic regions controlling resistance to two areas, paving the way for further studies.
A team of six world-renowned experts in carbohydrate research outlines the need for a stronger, evidence-based approach to defining quality CF to support overall health and provide clearer dietary guidance. The QCC-SAC consensus is that existing measures, such as glycemic index, are flawed and unreliable.
A novel material has been engineered to achieve high power and energy densities, potentially reducing charging times from hours to minutes. This breakthrough could address the need for electrochemical energy storage devices capable of handling high charging rates and high capacity.
Research finds widespread pain associated with a heightened risk of all types of dementia, including Alzheimer's disease, and stroke. People with widespread pain were 43% more likely to have any type of dementia and 47% more likely to have Alzheimer's disease compared to those without widespread pain.
A team of chemists developed a new set of modifiable polymers made from SOF4, allowing for environmentally safe reactions and fast production. This breakthrough enables the generation of a vast library of polymers with distinct properties for applications in drug discovery and material science.
A Rutgers-led study puts duckweed, a tiny freshwater floating plant, as an excellent laboratory model for discovering new strategies for growing hardier and more sustainable crops. The study suggests that duckweed's unique characteristics make it an ideal platform to discover novel strategies for improved plant growth.
Researchers at Virginia Commonwealth University have discovered a way to manipulate zinc's chemical properties, creating a +3 oxidation state that alters its fundamental behavior. This breakthrough could lead to the synthesis of novel materials with tailored properties for various industries.
Researchers from the University of Birmingham have confirmed a novel COVID-19 testing method called RTF-EXPAR that is highly sensitive and fast, giving results in under 10 minutes even at low viral levels. The test was shown to be equivalent to PCR and LAMP tests but faster.
A new study examining the association between type 2 diabetes mellitus and skin diseases reveals a strong link between the two conditions. The research, published in Chinese Medical Journal, found that 93.5% of individuals with T2DM had skin problems, including over 47 types of comorbid skin diseases.
Researchers sequenced DNA from plant specimens collected nearly 50 years ago to analyze genetic diversity and its response to climate change. The study found that several species restricted to the Guadalupe Mountains had surprisingly high amounts of genetic diversity, which could help them adapt to changing conditions.
Researchers at Ural Federal University developed a simple method to produce fluorine-containing heterocycles, which are promising building blocks for medicinal chemistry and agrochemistry. The new compounds were found to be highly chemically active and selectively entered into various reactions.
A new study led by ISGlobal has identified a gene called PfAP2-HS that allows the malaria parasite to defend itself from febrile temperatures and other adverse conditions within the host. The study found that this gene activates a protective response against high temperatures, helping the parasite survive in the host's environment.
A large study of 384,130 adults found that regular exercise lowers the risk of death from natural causes, regardless of air pollution exposure. Habitual exercise and low pollution levels were associated with lower mortality rates, while inactivity and high pollution were linked to higher risks.
Scientists have developed a method to synthesize uniform atomically precise Ni2 sites, a crucial step in designing effective dinuclear-site catalysts. Theoretical calculations suggest that these active intermediates play a key role in facilitating CO2 reduction reactions.
Researchers at the University of Pennsylvania School of Medicine have identified a new mechanism of resistance in advanced chronic lymphocytic leukemia (CLL) patients to CAR T cell therapy. They found that inhibiting the BET protein with the small molecule inhibitor JQ1 can reinvigorate exhausted T cells and increase their production.
The global death toll from suicide has increased by nearly 20,000 over the past 30 years, driven by population ageing and growth. Despite a decline in age-specific suicide rates, countries face challenges in reversing this trend due to aging populations.
Graphite researchers reveal phase-changing by introducing α-Li3N, reducing transition temperature and increasing proportion of 2H phase. This process enables controlled manipulation of graphene's stacking configuration and properties.
Researchers at the National Eye Institute developed a new sample preparation method to detect SARS-Cov-2, simplifying purification and potentially reducing test time and cost. The method uses a chelating agent to preserve RNA in samples, allowing for direct detection and increasing sensitivity.