A new study suggests that increased access to naloxone has not changed people's perception of the risks associated with heroin use. Researchers found that individuals who used heroin and those living in areas with easy or restricted access to naloxone both perceived heroin as a high-risk substance.
Researchers from UvA's Centre for Urban Mental Health propose a new conceptual framework to understand the dynamic interplay between urban factors and mental health. The framework identifies key factors influencing urban environments and their impact on mental well-being, including air pollution, noise, and social cohesion.
Researchers found that female yellow warblers who heard referential 'seet' calls the previous day would sit on their nest for a longer period and be less active, suggesting they recalled past events and engaged in mental time travel to boost vigilance. This behavior may indicate a heightened state of alert or cognitive processing.
A study by the American Psychological Association found that Black students are more likely to be suspended for minor infractions, harming their academic success. This bias in school discipline can damage students' perceptions of their school and lower their grades years later.
A new study by University of Pennsylvania researchers uses human gingiva-derived mesenchymal stem cells to guide nerve growth and regeneration, achieving similar results as traditional autograft procedures. The approach has potential for treating larger nerve gaps, including those resulting from oral cancer surgery.
A new deep-learning algorithm, ECNet, has been developed to accelerate protein engineering by predicting the fitness of all possible sequences. By incorporating evolutionary history, ECNet outperforms current methods on several datasets and identifies novel mutants with improved fitness.
Researchers from Shibaura Institute of Technology synthesized atropisomeric N-aryl quinazoline-4-thiones, showing unprecedented isotopic atropisomerism due to rotational restriction around an N-Ar bond. The findings support the formation of diastereomers and have potential applications in pharmaceuticals.
Purdue University researchers are exploring how cells defend themselves from chemical or mechanical attack and repair their damage with the help of biochemical and mechanical inputs and reactions. The goal is to develop new ways to address human health and longevity by using AI in biology.
Research published in Journal of Autism and Developmental Disorders found that autistic children with difficulties integrating narrative context with facial expressions, leading to inaccurate emotion recognition. This highlights the importance of contextual cues in social exchanges for effectively managing interactions.
Researchers at Ben-Gurion University of the Negev have discovered that artificial sweeteners can significantly impair bacterial communication. Three out of six tested FDA-approved sweeteners were found to inhibit quorum sensing, a key process for bacteria to communicate with each other.
A new study suggests that natural infection can produce highly potent and broadly neutralizing memory B cells, which may provide longer-term protection against severe disease. In contrast, vaccines primarily stimulate circulating antibodies that fade over time.
Heat extremes have increased by 90-fold, with 3-sigma events affecting 9% of land area; record daily rainfall events also increased, with 1 in 4 records attributed to climate change. The small temperature increase has pushed up extreme weather substantially.
A new locally acting treatment aims to reduce the severity of post-transplant ischemia reperfusion injury (IRI) without affecting the immune system. The treatment targets specific neoepitopes exposed on injured donor organs, reducing the risk of organ rejection and improving transplant outcomes.
An international study by Lund University found that offering a small reward of $24 increased COVID-19 vaccination rates among Swedes by 4 percentage points. The vaccination rate rose to 76 percent in the group offered payment, compared to 72 percent in those not receiving incentives.
A new report from the University of South Australia reveals that refugee children are more likely to succeed academically if their parents share their story and their school empowers them. Schools with bilingual staff also show promise in building strong parent-school relationships.
A UCL-led research team has identified an anti-viral gene that increases the risk of both Alzheimer's disease and severe Covid-19. The study found that a specific variant of the OAS1 gene amplifies inflammation in the brain, highlighting the importance of the immune system in both conditions.
Scientists developed a novel method to detect hormonally active substances in products, which can cause serious health problems. The new approach uses immobilized sulfotransferases and microparticles to quickly and easily detect low concentrations of these substances.
A recent study published in PLOS Biology found that science written in languages other than English may hold untapped information crucial to the conservation of global biodiversity. The research analyzed over 400,000 peer-reviewed papers and identified 1,234 studies providing scientific knowledge on saving species and ecosystems.
Research highlights the importance of normal insulin cycles for metabolic health, including better response to fed and fasted insulin inputs. It also uncovers mechanisms regulating robustness of insulin signaling, identifying potential novel regulatory components for therapeutic interventions.
A new study found that outdoor nature-based activities are effective for improving mental health in adults, including those with pre-existing mental health problems. Activities lasting 20-90 minutes sustained over 8-12 weeks led to improved mood and reduced anxiety.
A new study reveals hepatitis B virus (HBV) has been infecting humans for millennia, tracing its evolution from prehistory to the present. The research highlights HBV's dispersal routes and shifts in viral diversity mirroring human migrations and demographic events.
Researchers at Trinity College Dublin have discovered that lactate can influence cells in the lung environment to support immune defenses against infection while limiting collateral damage. Lactate may hold therapeutic potential as a host-directed therapy for diseases like TB and COVID-19, which cause destruction of pulmonary tissue.
The Human Brain Project's Scientific Conference presents abundant scientific achievements in neuroscience, brain medicine, and technology. Renowned experts discuss past, present, and future of brain research, highlighting the role of HBP in driving innovation.
Researchers have found that a conventional model for predicting material microstructure does not apply to polycrystalline materials. They used near-field high energy diffraction microscopy (HEDM) to study grain boundaries, revealing that the model's predictions are inconsistent with experimental data.
The global coral reef crisis is characterized by widespread overfishing, pollution, disease, and climate change. The report highlights the need for swift action to address these issues and identifies management efforts such as reducing pollution and establishing marine protected areas.
Researchers found a chemical inhibitor of PDE9 stimulates cells to burn more fat in mice, reducing obesity and fatty liver. The study's findings suggest the experimental drug may be effective in treating severe obesity and improving heart function.
The Perseverance rover's first scientific analysis confirms Jezero crater was a calm lake for most of its existence, interrupted by flash floods that carried huge boulders downstream. The findings provide clues to Martian climate evolution and offer opportunities to search for signs of ancient life.
A new study found that active listening by managers can improve employees' sense of personal control over their careers and reduce anxiety about potential job loss. By increasing active listening, managers can create a safe space for workers to verbalize and process their experiences, enabling them to feel more in control and valued.
Curtin University researchers have helped determine the age of the youngest rocks ever found on the Moon, revealing they are approximately two billion years old. This discovery provides new calibration points for cratering chronology, enabling more accurate age dating across planetary surfaces.
A new study reveals that low-income neighborhoods and communities of color in US cities experience higher levels of nitrogen dioxide (NO2) pollution, primarily due to proximity to trucking routes. The disparity is driven by diesel trucks emitting NO2 and other air pollutants.
The Mars Perseverance rover's on-the-ground views helped UF scientist Amy Williams and the NASA team narrow their search for ancient life. The rock layers revealed familiar patterns matching those seen on Earth, indicating how the delta in Mars' Jezero Crater formed.
Researchers at UC San Diego School of Medicine report that children with multisystem inflammatory syndrome in children (MIS-C) have normal T cell responses to the COVID-19 virus, contrary to previous hypotheses. This suggests that MIS-C may not be caused by an abnormal immune response to the virus.
Researcher Jennifer Hurley is using in-vivo experimentation and big data analytics to identify environmental cues that tune the circadian clock's control over metabolism. Her study aims to find genes responsive to environmental signals, such as nutrients, to understand how environment affects sleep-wake cycle.
A study by Nicolò Pernigoni and colleagues found that androgen-producing gut microbes in patients with advanced prostate cancer can lead to sustained tumor growth. Treating these microbes with antibiotics or fecal transplants from sensitive individuals may delay ADT resistance.
A large national study from Harvard T.H. Chan School of Public Health found that long-term exposure to permissible concentrations of air pollution increases mortality risk, particularly among elderly people and those living in lower-income areas. The study suggests current air pollution limits are inadequate to protect vulnerable groups.
Experts successfully connect quantum computers and sensors on a practical scale, enabling entanglement-based quantum communications. The team demonstrated scalability of entanglement-based protocols across three remote nodes using flexible grid bandwidth provisioning.
A new study finds that recreational ketamine use has increased in recent years, coinciding with its FDA approval for depression treatment. Despite this rise, the drug remains relatively rare, affecting less than 1% of U.S. teens and adults.
The COVID-19 pandemic has led to lower routine childhood vaccination rates and a proportion of children up-to-date with vaccinations below pre-pandemic levels. In a surveillance study across six US states, vaccination rates remained lower as of September 2020.
The COVID-19 pandemic has exacerbated plastic pollution, with global waste generation increasing by twice the amount in 2020 compared to 2019. To address this issue, researchers advocate for a transition to novel sustainable practices and technologies, including biodegradable plastics and efficient recycling processes.
A phase Ib study found that combining sotorasib, a KRAS G12C inhibitor, with afatinib, a pan-ErbB tyrosine kinase inhibitor, showed antitumor activity in patients with KRAS-mutant non-small cell lung cancer. The combination demonstrated a high disease control rate and improved efficacy compared to prior therapies.
A new study published in Addiction found that expanding naloxone access laws in the US did not contribute to reductions in perceived risk of heroin use. The research used data from the National Survey on Drug Use and Health and found no correlation between naloxone access and perceptions of heroin risk.
African mammals suffered huge losses around the Eocene-Oligocene boundary, similar to those experienced by European and Asian species. The study used fossil data from multiple sites in Africa to build evolutionary trees for five mammal groups, revealing a drastic extinction event followed by recovery with new adaptations.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences have developed an elastomer that is both stiff and tough, resolving the long-standing conundrum in polymer science. The new material has high toughness, strength, and fatigue resistance, making it suitable for applications such as tissue regeneration, bio...
Researchers identified a pattern that links the accumulation of amyloid beta (Aβ) proteins with a reduction of serotonin, which may help predict who will develop late-life depression. The study found that individuals expressing this pattern had more severe depressive symptoms.
Three new academic journals, Environmental Research: Health, Climate, and Ecology, have launched to publish research on Sustainable Development Goals, providing a platform for interdisciplinary studies. The journals offer open access publishing options with rigorous peer review standards.
A new study found that common gut bacteria can drive prostate cancer growth and treatment resistance by providing an alternative source of growth-promoting androgens. Researchers identified specific bacterial 'fingerprints' linked to prostate cancer outcome, which could help identify men who could benefit from strategies to manipulate ...
A new study published in Scientific Reports found that respiratory diseases can spread rapidly within wild mountain gorilla groups but are less likely to spread between neighboring groups. The study suggests that strategies preventing initial transmission into a group may be most effective in limiting disease spread.
Researchers have discovered a new drug target for myelodysplastic syndrome (MDS) and other hematologic malignancies, which are sensitive to MEK inhibitors. The study found that mutations affecting RNA splicing alter cells to develop MDS and solid tumors, providing a potential new approach to treating this rare blood cancer.
Researchers analyzed Chang'e-5 samples and found that the basalt is approximately two billion years old, indicating late volcanic activity on the Moon. This discovery provides calibration for the crater-counting technique used to date lunar surfaces and requires alternative explanations, such as tidal heating.
Researchers from the University of Innsbruck found that Covid-19 pandemic did not completely displace other social and political concerns. Participants in a donation experiment donated more to causes when Covid-19 incidence was high, indicating a correlation between pandemic presence and willingness to donate.
Researchers at Hebrew University developed a novel approach to mapping brain white matter fiber architecture using Nissl staining. The technique, called Nissl-ST, reveals the hidden patterns and organization of glial cells in white matter, opening new avenues for studying brain development, aging, and neurodegenerative diseases.
A new study found that consuming sustainably sourced wild meat instead of domesticated livestock reduces greenhouse gas emissions and retains precious tropical forest systems. This can lead to significant financial incentives for forest conservation through carbon credit revenues, totaling millions of dollars per year.
The CARE Consortium has received $42.65 million in new funding to follow athletes for up to 10 years after concussive injury, examining the impacts of head injuries on brain health. The study aims to validate advanced biomarkers and identify neurobiological pathways contributing to long-term negative consequences.
Researchers have characterized five different defect types in perovskite solar cells, revealing that a large proportion of defects release trapped charge carriers. This finding may explain the high efficiencies of MAPI perovskites and paves the way for optimizing these materials with improved stability.
The Mars rover's images show a complex watery cycle for the lake at Jezero Crater, with steady water flow and dramatic deposits from high-energy floods. The findings help guide the rover's sampling strategy, focusing on rocks that could contain signs of past life.
Research by the UOC and UVic-UCC found socio-economic and gender inequalities affecting breakfast habits among adolescents in Spain. Adolescents from less well-off families were more likely to skip breakfast, with 19% of girls and 13% of boys affected.
Researchers discovered a small RNA molecule that regulates both the production of the cholera toxin and the metabolism of the cholera bacterium. This finding provides a new target for developing treatments against cholera and has implications for biotechnological applications.
A new deep brain stimulation (DBS) method has been developed by researchers using optogenetics and machine learning to target specific neural circuits in the brain. This approach produced long-lasting effects in a mouse model of Parkinson's disease, with therapeutic benefits that lasted on average 4.5-fold longer than conventional DBS.
A new study published in The Lancet Digital Health found a link between screen time and myopia in children and young adults. High levels of smart device exposure increased the risk of short-sightedness by up to 80%, according to researchers at Anglia Ruskin University.
A phase II clinical trial has shown that the DNA alkylation drug DM-CHOC-PEN improved survival in adolescent and young adult patients with central nervous system cancers. The treatment was well-tolerated, with no severe toxicities observed, and showed potential for combination with other treatments.