Articles tagged with Systems Analysis
The study found that imbalances in the host immune system facilitate persistent or severe forms of COVID-19. Low levels of dendritic cells, which report information about invaders to T cells, were associated with long-term infection and disease severity.
Researchers analyzed COVID-19 lockdown strategies in Germany, Israel, and the US to determine optimal policy changes based on vaccine development timelines. Lockdowns were stricter before vaccine approval and continued to intensify after approval until vaccination reached a sufficient percentage.
A systematic review and meta-analysis of 141 articles found the COVID-19 incubation period decreased from Alpha (5 days) to Omicron (3.42 days), highlighting the need for adjusted isolation periods
A systematic review and meta-analysis of 26 studies involving over 100,000 women found that mothers with a family history of psychiatric disorders are at almost twice the risk of developing postpartum depression. The findings suggest that family history may be a significant risk factor for postpartum depression.
A new study suggests that using propane as a refrigerant in air conditioners could significantly reduce the global temperature increase from space cooling, with a potential decrease of up to 0.09°C by the end of the century. This is due to propane's low global warming potential score of less than 1.
A systematic review and meta-analysis found tinnitus prevalence to be over 740 million adults worldwide, with 120 million reporting it as a significant issue.
A systematic review and meta-analysis found no significant differences in treatment success between nonoperative and operative management for acute uncomplicated appendicitis. However, the nonoperative group experienced significantly longer hospital stays and higher recurrence rates.
Researchers argue that the Glasgow Leaders' Declaration on Forests and Land Use is too vague regarding gross vs net deforestation. This distinction matters for carbon dioxide emissions. Stopping gross deforestation would significantly reduce emissions.
A systematic review and meta-analysis of 81 studies found that COVID-19 patients with cancer had a higher risk of death compared to those without cancer. Younger age, lung, and hematologic cancers were identified as risk factors for poor outcomes from COVID-19
A systematic review and meta-analysis of 26 studies found music interventions to be associated with clinically meaningful improvements in health-related quality of life. The study suggests that music-making and listening may have a positive impact on overall well-being, particularly for individuals with health conditions.
A systematic review and meta-analysis of 9,100 cystic fibrosis patients found a positive association between higher body mass index and improved clinical outcomes. The study suggests that maintaining a healthy weight may be beneficial for these patients.
A new study offers a framework for addressing cyber security challenges in critical infrastructure by explicitly representing multiple dimensions of potential impacts. The proposed Bayesian network model allows for the identification of optimal portfolios of security measures to minimize expected cyberattack impacts.
Researchers developed a new hand gesture recognition algorithm that surpasses current methods in accuracy, complexity, and applicability. The algorithm combines adaptive hand type classification and a shortcut feature for efficient real-time recognition.
A new study explores the use of Picture Pile, a citizen science tool, to contribute to SDG monitoring and close data gaps. It found that Picture Pile can help monitor eight indicators and support seven more, providing supplementary information.
Researchers, led by UC Santa Barbara professor Björn Birnir and the University of Oslo's Luiza Angheluta, have published a complete description of boundary layer turbulence. The theory unites empirical observations with the Navier-Stokes equation into a mathematical formula.
Researchers analyzed a statewide survey in Pennsylvania to identify experiences of autistic individuals and their caregivers across interactions with the criminal justice system. Positive and negative experiences were reported, highlighting an increased risk for male autistic individuals with co-occurring psychiatric diagnoses.
A new study reveals that road development in sub-Saharan Africa has negative impacts on biodiversity, both inside and outside protected areas. The researchers found that roads act as barriers to movement, facilitate access to previously inaccessible land, and contribute to urbanization, logging, and cropland expansion.
A new study published in PNAS suggests that China's declining birth rate and aging population may not negatively impact future prosperity. The researchers found that higher education levels among women can lead to increased labor force participation, potentially offsetting the negative effects of population aging.
A new study suggests that keeping reservoir levels low during droughts can exacerbate the problem and contribute to Brazil's current water and energy crisis. Storing more water in reservoirs could increase precipitation and river flow, alleviating the crisis.
Managing 30% of land for conservation could safeguard 70% of terrestrial plant and vertebrate animal species while conserving over 62% of the world's above-ground vulnerable carbon. The study also suggests this approach could safeguard 68% of all clean water resources.
A new survey by University of Colorado Denver researchers found large disparities in virtual care models across US health systems. Smaller and low-burdened health systems adopted analytics and customer-oriented digital technologies, while larger and higher-revenue systems used futuristic and growth-oriented digital technologies.
A systematic review and meta-analysis found individuals with preexisting mood disorders are at a higher risk of COVID-19 hospitalization and death. This suggests that those with preexisting mood disorders should be categorized as an at-risk group on the basis of a preexisting condition.
US children from marginalized groups are more likely to experience CPS investigations, with high rates found in Black and American Indian/Alaska Native populations. The study estimates that over half of all US counties have a risk of at least 60% for these groups by age 18.
Mangroves with interconnected root networks exhibit larger size and increased connectivity under drought stress. The number of networks increases with soil salinity levels, suggesting a survival strategy for the group.
A team of international researchers has identified four discrete curvatures as excellent indicators of market instabilities in the stock market networks for the USA S&P500 and Japanese Nikkei-225 indices. The Forman-Ricci curvature (FRE) captures market fear and fragility, revealing sector-driven and global market fluctuations that fac...
Researchers at KIST developed an AI system that estimates magnetic Hamiltonian parameters from spin structure images using deep learning techniques. The system was trained with machine learning algorithms and achieved estimation errors less than 1%, reducing the material parameter estimation process from tens of hours to instant analysis.
SPARTA assesses military aircraft electronic countermeasures technologies to ensure accurate targeting information. The system provides automated and manual real-time EW analysis, achieving a 99+% detection rate in highly congested spectrums.
A recent study by the German Sport University found that losers in tennis make more spontaneous nonverbal head movements after losing points compared to winning points. These movements include head shaking and tilting upwards or side-to-side. The analysis of nonverbal behavior can help improve an athlete's performance during competition.
The current NHS regulations for charging non-residents are poorly understood and applied by healthcare staff, leading to cases of patients being deterred from accessing care and eligible patients being incorrectly billed. Survey responses also highlight the need for independent review and training on the regulations.
Researchers developed a risk score using thousands of chest x-rays to predict long-term mortality. The system achieved high accuracy in identifying individuals at increased risk, providing valuable insights for healthcare.
The University of Cincinnati's Department of Operations, Business Analytics and Information Systems has been awarded the 2019 UPS George D. Smith Prize for its innovative curriculum, which prepares students to become effective practitioners in business analytics. The prize recognizes the department's long history of excellence in worki...
African women's fertility rates declined between 1985-2010 when they were deprived of educational opportunities. However, improvements in education led to steady declines in Ghana.
Researchers from Kumamoto University developed a new electrodialytic ion transfer enrichment method to improve the sensitivity of analytical systems for various ionic solutes. This method enables fast and efficient detection in low-cost equipment, making it suitable for community health analysis in resource-limited areas.
Tropical Depression Kai-Tak was captured dissipating in the Gulf of Thailand by NASA's Aqua satellite, revealing fragmented storms and strong vertical wind shear. The system is expected to disperse due to persistent high wind shear, leading to its final dissipation on Dec. 22.
A computer vision system analyzed street-level photos to gauge neighborhood safety and predict urban change. The study found that the density of highly educated residents, rather than income or ethnic composition, predicts revitalization in five American cities.
NASA's RapidScat instrument measured surface wind speeds near 46.9 mph/75.6 kph northeast of the system's center in System 91L. The National Hurricane Center (NHC) noted that the system has a high chance, 90 percent, of becoming a tropical depression.
Researchers at Ruhr-University Bochum developed a new dry electrode for measuring ion concentrations, overcoming size and cost constraints. The system uses solid electrode material with storage capacity for positively charged ions, providing stable results over a lengthy period.
Researchers will work on two programmes: Nano-Engineered Flow Technologies and MISTRAL, aiming to improve infrastructure design and modeling at the nanoscale. The projects will focus on enhancing fuel efficiency, cooling electronics, and developing visionary technologies.
Researchers estimate systemic risk to be 90% higher than previous estimates by expanding layers of connectivity, including derivatives and foreign exchange. The new method provides a way to create systemic risk profiles for markets and individual institutions.
The EMBERS system uses publically available data to predict population-level societal events like civil unrest and disease outbreaks. The system processes large volumes of social media data and makes predictions using various modeling approaches.
Tropical Depression Jangmi encountered strong southeasterly vertical wind shear, causing its north, northeast, and eastern quadrants to become almost cloud-free. The satellite image revealed the effects of this wind shear, showing weakening thunderstorms northwest of the center.
Researchers propose extending free 'super Wi-Fi' range to lower frequency bands, enabling communication partners at distances of several kilometers. The approach could relieve mobile communications networks and trigger innovations in fields such as stage microphones and digital disaster relief services.
A new UBC study reveals that engaging in analytical thinking can lead to decreased religious belief, even among devout individuals. The research, published in the journal Science, sheds light on the psychology of religious belief and suggests that cognitive systems play a crucial role in shaping spiritual convictions.
A new fracture control plan for steel bridges aims to reduce the risk of failure through improved material selection, design, and inspection. The plan has the potential to save costs on maintenance budgets by identifying critical members that need protection from brittle fracture.
A study published in Addiction journal finds that even low levels of blood-alcohol content are associated with severe injuries and death. The research suggests that buzzed drivers are more likely to speed, be improperly seat-belted, and drive at greater speeds, leading to increased accident severity.
RIKEN researchers developed a new gene expression analysis technique called HeliScopeCAGE that can measure gene expression levels using only 100 nanograms of total RNA. This technique reduces biases and generates highly reproducible data, enabling high-precision gene expression analysis from tiny samples.
Researchers developed new measures of aging that take into account disability status and longevity, revealing slower aging rates in many populations. The study found that traditional measures can generate misleading results, but new metrics provide a more accurate picture of population aging.
The Integrated Space Weather Analysis (iSWA) system offers a unique level of customization and flexibility for NASA satellite operators and citizen scientists. It provides real-time data on past, present, and future space weather conditions, enabling personalized 'quick looks' at space-weather information.
The AIAA will recognize outstanding achievements in digital avionics and information systems with the presentation of two prestigious awards. John Moody and colleagues from The MITRE Corporation will receive the Dr. John C. Ruth Digital Avionics Award for their invention and implementation of the Universal Access Transceiver (UAT) and ...
Researchers at Clemson University have developed advanced facial recognition techniques using iris and periocular features, enabling accurate identification even with partially obstructed faces. The new methods could be used for airport, border, and home security applications.
A regional study of Peru's Amazon found that land-use policies have kept large-scale rain forest damage in check, but recent disturbances increased near roads, with forests protected by the government being more secure than those without conservation designations.
Research casts doubt on voice-stress lie detection technology, with studies finding dismal results in detecting deception and excluding non-deceitful individuals. The technology's ability to identify micro-tremors related to stress is limited, suggesting it may not be capable of reliably detecting lies.
According to new population forecasts, there is a 66% chance the world's population will not reach 11.5 billion by 2100, with four regions expected to experience declines before 2050. The global population is projected to increase from 5.8 billion in 2020 to 10.4 billion by 2100, but at a slower rate.