A new study found that social media quantity, content, and context significantly impact adolescents' sleep. Excessive screen time and disturbing content before bed were associated with later bedtime and reduced sleep duration. In contrast, reading books before bed was linked to an earlier bedtime.
Researchers have discovered a family of plant immune proteins with striking resemblance to vertebrate MLKLs, triggering cell death in response to pathogens. These findings provide new insights into how plants protect themselves from microbial invaders and highlight the shared machinery involved in cell death across kingdoms.
Researchers developed a method to analyze glyphosate and AMPA in oat-based food samples, detecting glyphosate in all 13 samples and AMPA in three. The results show that glyphosate levels were well below the EPA tolerance limit, but AMPA levels were lower.
This article examines the effects of COVID-19 on older adults and discusses policy recommendations to address age-related vulnerabilities. The research focuses on various aspects, including technology innovation, caregiving support, and retirement security.
A research team at FAU has developed an intelligent camera that achieves high spatial, temporal, and spectral resolution. The camera can precisely determine material properties and depth, opening up new applications in autonomous driving, environmental protection, and agriculture.
Researchers studied a 2014 GLOF event in Ladakh, India, to understand the cause of rapid lake level rise. They found that increased glacial melting caused thawing ice cores to drain through subsurface tunnels without spilling over.
Scientists have uncovered the chemical structure behind defects in white graphene that emit single photons, paving the way for controlled fabrication and practical applications. The study reveals a direct link between carbon incorporation and quantum emission, with potential implications for quantum sensing and computing.
Osaka University researchers developed an innovative AI-assisted video camera system that improves the detection of specific target behaviors in seabirds. The new system, combined with machine learning techniques, increased detection accuracy by up to 15-fold and reduced runtime limitations.
Researchers have efficiently generated chiral terahertz waves with adjustable polarization, enabling the development of ultrafast opto-spintronics and information encryption applications. The generation process utilizes a three-dimensional topological insulator of bismuth telluride (Bi2Te3) nanofilms driven by femtosecond laser pulses.
Researchers at UT Southwestern Medical Center found that patients with acute interstitial nephritis, an autoimmune reaction, respond to immune checkpoint inhibitor drugs. This finding may have broad implications for patients being treated with ICIs.
A new study by researchers at Université de Montréal found that kindergarten readiness is associated with better academic, psychological, and health outcomes in emerging adulthood. The study, published in Pediatrics, analyzed data from over 2,000 children born between 1997 and 1998 and found that kindergarten math skills and classroom ...
A two-drug combination of dapagliflozin and exenatide continues to effectively control patients' glucose levels without losing efficacy over a two-year period. The study also revealed significant improvements in blood pressure and weight, contributing to overall health.
Integrating HIV self-testing into Canada's health system could lead to better HIV detection and management, especially for underdiagnosed populations. The authors propose four factors for successful introduction, including rapid approval of WHO-approved tests and cost-effectiveness studies.
A unique biomarker combination predicts Acute Kidney Injury (AKI) in critically ill children, enabling early identification and potential pre-emptive therapy. The study found that a combination of clinical scores and urinary markers can accurately predict severe AKI in PICU admissions.
Researchers have developed a novel method to convert carbon dioxide to carbon monoxide at room temperature using localized surface plasmons. This process eliminates the need for high heat, reducing energy requirements and costs in industrial production.
Researchers from UPV/EHU used spectroscopy to explore how the environment impacts on degradation of new stone construction materials. They discovered that lichens play an active role in biodegradation processes and can be used to measure environmental contamination.
A new high-speed amphibious robot, AmphiSTAR, has been developed by Ben-Gurion University researchers inspired by the movements of cockroaches and lizards. The robot can swim, run on water at high speeds and crawl on difficult terrain, making it suitable for applications such as agriculture, search and rescue, and excavation.
Octopuses' arms may have a mind of their own due to their unique nervous system, with over two-thirds of neurons located in the arms. Researchers found that octopuses can learn to associate arm movements with rewards, suggesting some sense of self-movement from the arms.
Researchers at the University of Pittsburgh School of Medicine developed a fast method to identify effective human monoclonal antibodies against SARS-CoV-2. The team successfully isolated Ab1, a potent antibody that neutralizes COVID-19 by binding to the virus's receptor binding domain.
Researchers investigated case investigation and contact tracing outcomes in San Francisco during the pandemic. The study found that effective contact tracing contributed to reduced spread of COVID-19 cases and hospitalizations.
Research shows Neanderthal children were introduced to solid food at around 5-6 months, mirroring modern human patterns. This finding suggests similar energy demands during early infancy and a close pace of growth between Homo sapiens and Neanderthals.
A recent study found that very rural areas in the US have significantly fewer mental health services for young people, with only 3.9% of rural ZIP Codes having facilities that serve youth. This lack of access exacerbates the already high suicide rate among rural youth, highlighting the need for increased resources.
Researchers found that Neanderthal children grew at a similar rate to modern humans, introducing solid foods around 5-6 months old, and were likely of similar weight to neonates. This suggests a possible shorter inter-birth interval and similar gestational history.
The new Underwater Backscatter Localization (UBL) system uses piezoelectric materials to reflect modulated signals, providing positioning information at net-zero energy. In shallow water, the researchers employed frequency hopping and reduced bitrate to overcome reflection issues, enabling precise tracking of moving objects.
Scientists have developed transparent photovoltaic devices using thin silicon films, enabling efficient power generation. The devices utilize ultraviolet light and can generate electricity even under low-light conditions.
A study of common dolphins in the Hauraki Gulf found declines in carbon values, suggesting a decrease in primary productivity or changes in prey selection. The research highlights the need for careful management of marine parks and surrounding environments to prevent overfishing and nutrient runoff.
A recent study published in Academic Emergency Medicine found that Black patients are more likely to experience restraint use in emergency settings compared to white patients. The study also identified higher rates of restraint among homeless patients and those with public insurance or no insurance.
A novel class of compounds called rhizolutin has been discovered in a soil bacterium, Rhizolutin dissociates protein aggregates associated with Alzheimer's disease both in vivo and in vitro. The compound has been shown to reduce inflammatory processes and cell death caused by Aβ plaques in neuronal and glial cells.
A theoretical model shows that solar radiation, UV light, and antigenic shift/drift frequency drive the cyclicality of epidemics. The Italian team's work accurately reproduces seasonal patterns for various viruses, including influenza and SARS-CoV-2, and predicts high-intensity initial cycles followed by moderate-intensity annual cycles.
The National University of Singapore team developed a new sensor material called TRACE with significantly less hysteresis, enabling more accurate wearable health technology and robotic sensing. The breakthrough improves the reliability of data readouts, allowing for wider applications in healthcare and robotics.
Two studies found age to be a primary determinant of melanoma treatment resistance, revealing new mechanisms common in aging that contribute to melanoma spread. Researchers found that older fibroblasts upregulated FATP2 and increased fatty acid uptake, protecting melanoma cells from anti-cancer drugs.
A new species of ancient lizard, Kopidosaurus perplexus, has been discovered with a unique skull shape featuring curved teeth. The fossil's placement on the tree of life is uncertain, with three different evolutionary trees suggesting multiple possible positions.
Researchers at the University of Cambridge developed a model that analyzes age-specific COVID-19 death data from 45 countries, revealing consistent patterns across countries. The study highlights the importance of focusing on deaths in under-65s for better understanding of infection rates and developing effective government strategies.
Researchers found significant variation in the effectiveness of collaborative care programs for depression in primary-care clinics. Clinics with more intensive implementation support and those that had several years of practice achieved better outcomes. Patients who are more severely depressed or have fewer resources may also have wors...
A recent brain study by Masaki Isoda and colleagues found that a specific connection between two regions in the front of the brain allows monkeys to correctly interpret social cues. This ability requires the PMv-mPFC pathway, which enables monkeys to differentiate between accidental mistakes and rule changes.
A study of Monarch butterfly populations reveals a shift from larger to smaller wings in non-migrating groups, suggesting genetic influence. The findings suggest that migration favors longer wings, while non-migration leads to smaller wings.
A survey of over 4,000 UK emergency care doctors found their median average 'need for recovery' score was 70, higher than previous studies. Factors like reducing antisocial shift patterns and improving access to leave could help alleviate wellbeing issues.
A recent study by researchers at WashU Medicine has discovered that the activity of specific brain neurons encodes the value of options and determines final decisions. The findings have significant implications for understanding decision-making in mental health conditions such as addiction, depression, and schizophrenia.
A recent study by Aalto University and Finnish Environment Institute shows that shifting to wood in European construction can significantly reduce environmental impact. If 80% of new residential buildings were made of wood, they would store 47% of Europe's annual cement industry emissions.
Researchers found that many small farmers lack internet and mobile network access due to high costs and limited coverage. The study highlights the need to expand coverage and make digital connectedness affordable for all, particularly in Africa.
Researchers at Brown University developed a new remote sensing method for studying olivine, a key mineral in planetary bodies. The technique can predict magnesium and iron content with high accuracy, offering insights into the early evolution of the Moon and Mars.
Researchers at Karolinska Institutet have developed a new DNA-based analytical method called NanoDeep, which enables the analysis of entire populations of cells. This breakthrough could lead to better drugs for breast and other cancers by providing a more detailed understanding of membrane protein organisation.
Despite COVID-19, Nemours Children's Health System increased patient immunizations by 4.6% through a hybrid approach combining in-person and telemedicine, with over 36,000 primary care telemedicine visits and nearly 10,000 'tele-well' visits.
The COVID-19 pandemic has led to increased alcohol consumption in the United States due to stress and social isolation. Experts at McLean Hospital recommend educating people on managing stress without alcohol, drinking within safe limits during physical distancing, and recognizing signs of excessive use.
A new study from the University of British Columbia found that teens who spend more time on extracurricular activities and less time on screens have better mental health. The study also found that girls are particularly affected by excessive screen time, which can lead to anxiety and depressive symptoms.
The study reveals increased extinction rates for conifers since the Cretaceous, attributing their decline to competition between flowering plants and conifers. The rise of angiosperms is seen as a major factor in this process, according to the authors.
Swollen neurons are less likely to exhibit overactivity associated with long-term TBI complications. Researchers propose a more nuanced approach to managing cerebral swelling, potentially leading to better outcomes for patients with traumatic brain injuries.
Researchers at Stevens Institute of Technology developed an A.I.-powered forecasting tool that incorporates location data to predict influenza outbreaks up to 15 weeks in advance with an accuracy increase of 11%. The algorithm identifies hidden patterns by encoding flu infections as interconnected regional clusters, enabling better res...
A Mayo Clinic study found that 13.5% of cancer patients had inherited genetic mutations associated with their cancer development. The discovery could lead to targeted cancer therapies and improved survival rates for patients with these high-risk mutations.
Researchers at the University of California - Santa Cruz identify a specific segment of amyloid beta recognized by the cellular prion protein, which mediates its uptake into neurons and toxicity. This finding suggests targeting this process may be a promising approach for Alzheimer's drug development.
Researchers at Johns Hopkins University found that bats use a combination of echolocation calls and head movements to predict the future position of their prey. This discovery enhances our understanding of auditory-guided behaviors in animals and humans, including sight-impaired individuals who rely on sound to navigate.
A new study identifies an autoimmune antibody as a cause of COVID-19 blood clots in up to half of patients. Researchers found that blocking or removing these antibodies may improve outcomes for severely ill patients.
A team of engineers at Polytechnique Montréal has created a fabric using additive manufacturing that absorbs up to 96% of impact energy without breaking. The innovative design, inspired by spider webs, can be incorporated into glass panels to prevent shattering on impact.
Researchers have identified seven distinct groups of symptoms in mild COVID-19, including flu-like symptoms, joint pain, and loss of smell and taste. These findings suggest that the disease leaves behind significant changes in the immune system, even after recovery, and could inform the development of more effective vaccines.
New research from UBC Okanagan finds that how people use social media impacts their overall happiness. Passive scrolling and comparison can lead to negative emotions, while direct interactions can enhance emotional well-being.
A new study finds that Hawaiian corals' diversity is driven by co-evolution between the coral host, algal symbiont, and microbial community. The team analyzed metagenomic sequencing data to understand adaptation and variation in corals.
A new ultrapotent COVID-19 vaccine candidate, designed via computer, has been shown to produce virus-neutralizing antibodies in mice at levels ten times greater than those seen in people who have recovered from COVID-19 infections. The vaccine candidate also elicited a strong B-cell response after immunization.
A new type of soil created by engineers at the University of Texas at Austin can pull water from the air and distribute it to plants, potentially increasing crop yields in previously inhospitable areas. The hydrogel soil retained up to 40% of its initial water quantity, outperforming sandy soils in dry areas.
A study by NewYork-Presbyterian/Weill Cornell estimates the macroeconomic consequences of firearm-related fatalities in OECD countries, finding cumulative losses of $239.0 billion from 2018 to 2030. The US experiences the highest relative losses, with a total of $152.5 billion attributed to firearm fatalities.
The ACA's Medicaid expansion improved preconception health indicators for low-income women, including increased health counseling and daily folic acid intake. While no changes were found in chronic condition prevalence or health behaviors, the expansion may help address risk factors for maternal and child health.