A recent USDA study analyzed two centuries of alien species discoveries to estimate the rate of new insect arrivals and potential future invasions. The research found that efforts to reduce biological hitchhiking on live plant imports have been successful, but a significant number of Hemiptera insects remain undetected.
A new machine learning-based algorithm has been developed to identify adolescents who have experienced suicidal thoughts and behavior. The algorithm, applied to a large dataset of survey responses from over 179,000 high school students in Utah, shows high accuracy in predicting individual adolescents at risk.
SourcePLOS·JournalPLOS ONE·TypeComputational simulation/modeling·DateNov 3, 2021
Researchers in mice found that chemotherapy enhances cancer's spread by making blood vessel walls more receptive, allowing cancer cells to latch on. The study shows how a chemo drug like cyclophosphamide alters non-cancer cells' properties, facilitating the cancer cells' attachment and progression.
A new Health Affairs study found that the Medicare Two-Midnight Rule hastened a shift from inpatient to observation stays, but ultimately led to stabilization of both types of stays. The authors suggest weighing the rule's continued benefit against its substantial administrative burden on hospitals.
Researchers found that incorporating energy efficiency measures can minimize long-duration storage, reducing the need for renewable resources. By optimizing mix of renewables, oversized generation capacities, and energy efficiency investments, achieving 100% renewable energy becomes more achievable and cost-effective.
A Simon Fraser University study reveals childcare educators and unpaid caregivers faced fear, anxiety, and unclear public health directives during the pandemic. The findings highlight the need for a gender-responsive pandemic preparedness plan to mitigate unequal effects on women's careers and wellbeing.
The team of researchers from Tokyo Institute of Technology developed a generalized spin current theory that accounts for various multiferroic scenarios and provides a transparent toy model for electric polarization. The study demonstrates how the new theory can effectively rationalize the properties of multiferroic materials.
A new study reveals that spring soundscape acoustic diversity and intensity are declining due to changes in bird communities. The research suggests that reductions in natural soundscapes may be the primary mechanism through which population declines impact humans.
The new Atlantic Marine Energy Center, led by UNH, will focus on wave and tidal energy conversion, as well as ocean sensing and aquaculture. The center aims to advance marine renewable energy technologies through research, education, and outreach.
Severely malnourished children who consumed ready-to-use therapeutic food fortified with DHA showed significant improvement in gross and fine motor abilities, language proficiencies, and social skills. The findings suggest that reducing omega-6 fatty acid levels can also aid neurological development.
Research from the University of Georgia found that using verbal commonalities alone was more effective in building rapport than combining it with nonverbal mirroring. Participants were willing to discuss personal topics when interviewer used verbal commonalities, but not when combined with mirroring.
Researchers at Pusan National University and Columbia University reanalyzed poverty estimates in unmarried parent families using the 'Supplemental Poverty Measure' (SPM), accounting for specific criteria. The analysis revealed significant drops in poverty rates over time, particularly for single-mother families.
A CABI-led study developed a framework for assessing the performance and responsiveness of an invasive species system in Kenya. The approach enabled identifying opportunities and challenges from various actor perspectives, highlighting the need for better financing, leadership, and coordination to effectively manage invasive species.
SourceCABI·JournalCABI Agriculture and Bioscience·TypeLiterature review·DateNov 2, 2021
Researchers have identified large semi-stationary eddies off the Wilkes Land coast as causing warm water to flow towards the Antarctic continental shelf, contributing to melting of the Totten Ice Shelf. This finding has significant implications for predicting global sea-level rise.
A new analysis reveals that plankton-eating fish play a central role in driving local spikes of extreme biological productivity in tropical coral reefs. These 'sweet spots' concentrate abundant fish production, making them optimal for fishing. The study's findings hold significance for the future of tropical reef fisheries as coral ree...
Researchers at Tel Aviv University discovered a central mechanism in plants that helps them deal with drought conditions and water shortages. They found that the ABA signal molecule is stored in inactive state in leaves and released under desired conditions, allowing plants to rapidly respond to changing environmental conditions.
Scientists from the University of Münster used precise isotope measurements to determine that the Moon's heavy bombardment 3.9 billion years ago was caused by continuous impacts of leftover asteroids from the main phase of Earth's formation. The study rules out a sudden increase in impact rate due to outer solar system bodies.
A major global study found that the risk of breast cancer spreading to other parts of the body ranges from 6% to 22%. Younger women and those diagnosed with larger tumours face a higher risk. The study also sheds light on how many people develop advanced breast cancer, a gap in knowledge until now.
Researchers at Aarhus University have discovered how plant receptors recognize specific carbohydrate signaling molecules from their bacterial symbionts. The ability allows plants to select and accommodate nitrogen-fixing bacteria inside their roots.
A study by Massachusetts General Hospital researchers has identified specific drugs that can selectively block the polarization of M2-type macrophages, which exacerbate diseases such as wet age-related macular degeneration. The findings suggest that these drugs could be repurposed for new therapies to influence disease outcomes.
A study of 8,889 vaccinated patients and 88,898 unvaccinated patients found the Ad26.COV2.S vaccine to be effective in reducing SARS-CoV-2 infection. The results support mass vaccination efforts globally amid variant spread.
A survey of 1,000 people in five Southeast Asian countries found that more than half were against nuclear energy development. The study suggests that trust in entities and risk perceptions are key factors influencing public opinion on nuclear energy.
Scientists have developed a software that adds missing sugar components to protein models created with AlphaFold, enabling more accurate structural predictions. This breakthrough has the potential to revolutionize workflows in biology, allowing scientists to understand proteins and their mutations faster than ever.
Researchers from Tokyo Tech have developed a long DNA molecule-based junction that shows remarkable conductivity and self-restoring ability under electrical failure. The 'zipper' configuration allows for high electron transport and reveals delocalized ς-electrons moving freely within the molecule.
The GEMM Initiative aims to bridge the gap between science and policy by providing local governments with actionable, real-time greenhouse gas and pollution emission data. This will enable policymakers to make informed decisions on reducing climate change and air pollution in their cities.
A team of researchers led by Maurizio Porfiri found that counties with fewer COVID-19 cases voted more for Joe Biden than Donald Trump. The study used a spatial data modeling approach to analyze county-level data and determine the influence of epidemiological and economic processes on voting behavior.
Researchers found that motorway connections lead to a 42% increase in wealthy households but only a 5% increase in lower-income households. This results in higher land prices and urban sprawl, disproportionately affecting those with modest incomes.
Researchers are developing a transformative technology called Multiscale Intelligent Convergence (MusIC) to map the complexity of T cells and identify attributes essential for patient benefit. The goal is to create more reliable biomanufacturing of T cell infusion products and engineering potent immune cells.
Researchers identified three new human genes influencing HIV acquisition and progression in sub-Saharan Africa. The study provides valuable insights into genetic variants associated with HIV-1C infection and AIDS progression, potentially paving the way for new therapies.
Researchers used computer simulations to predict the presence of hydroxyl radicals, which clean pollutants from the atmosphere. The study showed that traditional models had widely varying forecasts due to uncertainties in gas emissions, and that better models can aid in combating climate change.
A team of researchers has successfully designed and manufactured customised respiratory protection for healthcare workers using digital facial capture. The technology, developed by the University of Birmingham and King's College London, provides a comfortable close-fitting seal suitable for nearly 90% of face shapes and sizes.
Aging-US review highlights cerebrovascular dysfunctions as a core feature of AD, contributing to pathogenesis and progression. Adrenergic system modulation may serve as a key approach to modulate these abnormalities.
Wild dwarf mongooses have sufficient cognitive ability to monitor vocal cues about aggressive interactions and remember who the bullies are. After a conflict, subordinate group members groom with each other more than usual and ignore perceived aggressors.
A research team from URV-IISPV-CIBERDEM has developed a technique to describe the entire human metabolome. By filtering out non-specific signals and increasing marker identification, this method enables faster deciphering of biological content.
A new pilot study reveals a prostate cancer urine test can identify men with intermediate-risk disease, allowing them to opt for active surveillance instead of immediate treatment. The test assesses the amount of aggressive cancer in the prostate without needing a biopsy.
After ACL reconstruction, researchers found that quadriceps muscles contract differently, leading to a weaker and less functional muscle. This study provides new insights into the persistent weakness often observed after ACL injury.
Researchers have made a giant leap in fighting antibiotic resistance by using supercomputers to redesign existing antibiotics. The new approach shows that the redesigned antibiotic is up to 56 times more active than two existing antibiotics on the World Health Organisation's list, and potentially effective against three top-ranked bact...
A study by UC3M researchers found that higher collective risks lead to stronger social norms and increased punishment for non-compliance. However, as perceived risk decreases, compliance with these norms also drops. The study, published in Nature Communications, provides evidence on how collective risks impact social behavior.
A study reveals that prairie voles are highly motivated by social interactions with familiar animals, while meadow voles tolerate friends and family but lack strong motivation. Oxytocin receptor density is associated with individual variation in social behavior.
A Tulane University study successfully leverages artificial intelligence to identify and diagnose colorectal cancer with a performance comparable to, if not better than, highly experienced pathologists. The AI-powered program achieves an average accuracy of .98 in accurately identifying colorectal cancer from tissue scans.
A new imaging technique can identify stroke patients with slow-growing ischemic cores, who are most likely to benefit from late thrombectomy. The study found that patients with symmetric collateral patterns had slower core growth and were more treatable.
Researchers found that borosilicate glass was crucial for synthesizing amino acids and other prebiotic organic compounds. The study suggests that the emergence of life on Earth may be more abiotic than previously thought.
Researchers analyzed samples of paraffinic oils from the western Siberian Basin, Russia, to understand their characteristics. The study found that these oils are primarily composed of saturated hydrocarbons and have low sulfur content.
Researchers from The University of Tokyo Institute of Industrial Science used microscopy to examine surfactant onion layers, discovering they contain defects. Their findings are crucial for designing effective therapeutic carrier systems.
A new viral disease caused by Tomato brown rugose fruit virus (ToBRFV) has emerged, threatening global tomato production. ToBRFV overcomes the durable Tm-2² resistance gene, which had remained unbroken for over half a century.
Longitudinal study reveals cortical thinning in people with bipolar disorder, especially those with more manic episodes. The findings suggest that bipolar disorder may be a neuroprogressive disorder, worsened by the progression of symptoms.
A new study reveals that marine microbes are able to consume more methane from sediments than anticipated, preventing its release into the ocean and subsequent environmental consequences. This discovery suggests that these microbes play a crucial role in suppressing methane emissions and mitigating the impacts of climate change.
A researcher has traced the concept of taste in literature to the 16th century, highlighting Francis Bacon's 1597 aphorism that influenced the development of aesthetic discrimination. The study utilized Early English Books Online and found language patterns that shifted over time, ultimately leading to the modern meaning of taste.
Researchers found that Toxoplasma gondii, a commonly found parasite, can 'tame' the parasite to induce inflammatory responses and make tumours more responsive to treatment with immune checkpoint inhibitors. This approach has shown promise in treating melanoma, Lewis lung carcinoma, and colon adenocarcinoma in mouse models.
Hippo signaling pathway's core components YAP and TAZ are activated by EGFR, promoting cell proliferation. Researchers uncover novel target for cancer therapies, combining EGFR targeting with YAP/TAZ inhibition.
Research from Binghamton University found that people prefer friendly and trustworthy teammates over those with exceptional skills. This prioritization is reflected in the way students signal their human and social capital to others on teams.
A new report highlights the alarming global impact of Group B streptococcus, which can lead to up to 150,000 infant deaths annually. Maternal vaccination is seen as a cost-effective solution to reduce this toll, with significant health benefits in all regions.
Researchers used nationwide airborne laser scanning data and forest inventories to predict bilberry and cowberry yields in Sweden. The models indicate potential berry picking locations but do not accurately predict yields.
A study by the Universities of Basel and Saarland found almost no risk of coronavirus infection in football players, contradicting previous assumptions about team contact risks. The research team collected data from over 1,300 cases and concluded that outdoor sports with minimal physical contact pose a very low risk of infection.
Research found that Pim kinase inhibitor co-treatment decreases alternative non-homologous end-joining DNA repair and genomic instability induced by topoisomerase 2 inhibitors in AML cells with FLT3-ITD. This approach may enhance chemotherapy drug induction of DNA DSBs and apoptosis.
Researchers found that tumors with few micro-blood vessels are associated with defective perfusion, impacting the efficiency of systemic chemotherapy. This study highlights the importance of improving diagnostic imaging equipment to better detect lymph node metastasis and curb cancer-related mortality.
A nationwide US population-level study found that prior poor mental health at the county level had a positive and significant association with COVID-19 infection rates. Areas with greater vulnerability in poor mental health prior to the pandemic had a greater burden of COVID-19. The study used aggregated survey data from 2,839 US count...
SourceElsevier·JournalAmerican Journal of Preventive Medicine·TypeData/statistical analysis·DateNov 2, 2021
A recent study found that C4 bioenergy grass species outperform C3 species in assimilating carbon during fluctuating light conditions. This discovery could lead to increased productivity and reduced dependence on fossil fuels through targeted plant breeding programs.
Researchers at UT Southwestern Medical Center have identified a method to safely replicate the weight-loss benefits of a plant compound, celastrol. By deleting a specific protein in brain cells, they were able to mimic the effects of celastrol, resulting in mice losing 7% of their body weight without experiencing harmful side effects.
Researchers at Nicolaus Copernicus University developed an algorithm to help robots avoid dead ends by predicting obstacles and using augmented reality. This innovation significantly improves the efficiency of mobile robots.