Articles tagged with Data Samples
A new study by University of Sydney researchers found that the Anglo-Saxons were a mix of continental European and local ancestry, with 50-70% of Middle Anglo-Saxon individuals being of local ancestry. The findings suggest that being Anglo-Saxon was more likely a matter of language and culture, not genetics
A NASA mission evaluates interactions between the sun and earth's magnetic fields, which can cause explosive energy transfers disrupting technology systems. A UTA professor recruits a first-year doctoral student to join the mission, where he will learn about meaningful magnetospheric events.
The biodiversity collections community should implement a global plan by 2030 to maximize its value to the scientific enterprise. The plan should draw on existing capacity and highlight five pillars: collecting new samples, digitization, data integration, education, and infrastructure.
The study presents a modeling framework that accurately predicts water quality at beaches after only a day or two of frequent water sampling. This approach could be used to monitor unmonitored coastal areas, protecting the well-being of beachgoers and thriving ocean economies worldwide.
Coral Gardens Reef in Belize remains home to thriving Acropora spp. coral, providing an exception to the species' decline across the North Atlantic/Caribbean region. The reef has been consistently habitable since at least the 1980s and up to November 2019.
A new study reveals that cannabis data is lacking on lesser-known compounds, but machine learning can help fill the knowledge gap. By analyzing a dataset of over 17,600 cultivars, researchers found that only 1.4% of strains had complete data on THC and CBD, highlighting the need for standardization in product labeling.
A recent US long-term ecological site study suggests that the so-called 'insect apocalypse' may be exaggerated, with many areas showing little to no overall change in insect abundance and biodiversity. However, certain species remain in decline, particularly for key ecosystem services like pollination and natural pest control.
Researchers at Utah State University found that more than 1000 tons of microplastics are deposited onto protected lands in the western US each year, equivalent to over 123 million plastic water bottles. The study's findings highlight the source, transport, and fate of plastics on Earth surfaces.
The COVID-19 pandemic has highlighted the need for clear international laws governing the sharing of pathogen samples and genetic sequence data. Despite critical importance to global public health efforts, there is currently no legal obligation for countries to share such information, impeding scientific progress.
A new AI-driven system, DeepSPM, demonstrates fully-autonomous Scanning Probe Microscopy (SPM) operation, allowing for optimal data acquisition and quality assessment without human supervision. This breakthrough enables long-term SPM operation and bridges the gap between nanoscience, automation, and artificial intelligence.
Regular police patrols on platforms reduced reported crime and disorder by 21% in some of London's most crime-ridden stations. The experiment found that the presence of patrolling officers had a minimal impact on crime, with 97% of the measured effect occurring when officers were absent.
A new report found that climatic variables are the most important predictors of earthworm biodiversity at global scales. Earthworm communities were typically greatest in mid-latitudes, highlighting their sensitivity to climate change.
Researchers discovered a 44% decrease in topsoil lead between 1999 and 2017 and a 64% decline in children's blood lead levels between 2000 and 2016. These findings suggest a link between reduced soil lead and lower blood lead levels in children.
A study by FSU researchers found that pet owners experienced lower levels of depression and loneliness than non-pet owners after the loss of a spouse. The companionship of pets may provide an alternative to human social support networks in reducing negative psychological consequences.
A recent study used genome analysis to explore Scottish and island populations. The research identified distinct genetic clusters within Scotland, with most Scots sharing ancestry from the northeast or southwest regions.
Researchers demonstrate that even anonymized datasets can be traced back to individuals using machine learning. The study shows that allowing data to be used for AI training while preserving people's privacy requires more than de-identification techniques.
A University of Cordoba research group has developed a new methodology to categorize olive oil using gas chromatography and ion mobility spectrometry. The approach analyzes the oil's aromatic fraction, generating 3D graphics that predict classification with high reliability and ease of implementation.
Shambhala helps process and compare RNA-Seq data from different equipment, allowing for better study of gene expression and its relation to diseases. The tool facilitates harmonization of large datasets, enabling comparisons across various samples and biological organs.
Researchers at North Carolina State University have developed Adaptive Deep Reuse, a technique that reduces deep learning network training time by up to 69% without accuracy loss. By recognizing similar data chunks and applying filters to multiple chunks simultaneously, the technique saves significant computing power.
Researchers analyzed a fossilized tooth of an extinct giant ground sloth found in Belize to understand its diet and climatic exposure. The study revealed seasonal fluctuations in the animal's diet, with grasses and shrubs likely comprising its diet during wet seasons.
Researchers from UNIGE developed an AI-based approach combining genomics and machine learning to analyze microbial biodiversity and diagnose ecosystem health on a large scale. The method uses genomic tools to sequence DNA of microorganisms, then builds predictive models to identify species performing key functions.
A team of vulcanologists from ETH Zurich has found evidence suggesting the Phlegraean Fields are in the early stage of a new caldera cycle, which could lead to another massive eruption. The researchers used rock samples from previous eruptions to reconstruct the conditions in the crust and create a model of the cycle.
A new study published in Child Development found that a short-term family-centered prevention program can have enduring effects on brain network connections into young adulthood. The program improved self-regulation skills and parental emotional support, leading to fewer disruptive behavioral problems.
Researchers analyzed data from nearly 2 million US residents and found a correlation between rising temperatures and increased mental health issues, suggesting climate change poses a risk to human well-being. The study suggests that even small increases in temperature can have significant impacts on mental health.
A recent study found that many researchers overlook the importance of weighting and sample design in survey data, leading to incorrect estimates. The American Statistical Association has identified this issue as a systemic problem, with only half of secondary analyses accounting for weighting.
A new study found that four out of five Americans support the Endangered Species Act, with support remaining stable over the past two decades. The survey also revealed a stark contrast between public opinion and policy-making decisions, highlighting the need for elected officials to be responsive to their citizens.
New research from Binghamton University found that mobile coupons can increase both short-term and long-term sales goals. Targeting customers with the right type of mobile coupon, such as free-sample coupons, can boost revenue beyond the promotion period.
A new study provides three-dimensional visual data from hermit crabs using 3D microCT scanning technology, making it easier to examine and compare specimens for taxonomic research. The dataset is now available for download and includes interactive web-based viewers and 3D printable file formats.
AWI researchers found that temperature variability during glacial periods was not uniform worldwide, with intense variations in the Tropics but less so in other regions. The study used a unique global comparison of data from core samples to improve predictions for future climate change.
A new study finds that in-store product sampling has both immediate and sustained effects on sales, with smaller stores benefiting more. The model also reveals that repeated sampling for a single product increases returns and expands product categories.
Researchers developed an efficient technique to compensate for position errors in a spherical near to far-field transformation for long antennas, using minimum near-field measurements. The method achieves accurate reconstructions of uniform samples from non-uniform ones, enabling the evaluation of input data needed for traditional NTFFT.
Researchers at Carnegie Mellon University created a service called PrivacyStreams that enables app developers to access smartphone data without revealing private information. The service allows developers to sample and transform personal data into desired outputs, ensuring users' privacy is maintained.
A new study by Dr. Eric Jensen highlights the risks of assuming Twitter accurately reflects real life due to its unique cultural behavior and limited representativeness.
A new study used speed dating data to test if machine learning could predict unique romantic desire. The researchers found that while they could predict overall tendencies for someone to like and be liked by others, they couldn't anticipate which two people were a match.
International research team discovers extremely low-oxygen regions in Atlantic Ocean, producing high levels of nitrous oxide. The phenomenon was previously unknown and had escaped research due to the small size and mobility of these eddies.
Acute ischemic stroke hospitalizations among those aged 18 to 64 years increased from an average of 141,474 per year in 2003-2004 to 171,386 per year in 2011-2012. The study confirms the importance of focusing on prevention in younger adults.
Researchers discovered a new iron arsenide superconductor, CaKFe4As4, with a high superconducting temperature of 35K without dopants, questioning established theories. The material's pristine samples allowed for accurate measurements of the superconducting gap, contradicting previous models.
The Lomonosov Moscow State University has created an electronic depositary of living systems, featuring a unique information system with data on biological samples from various origins. The system allows for managing and sharing information about biomaterial, including descriptions of organisms and techniques for operating with them.
A study by the University of Georgia compared handheld and mobile data technologies for analyzing natural turfgrass sports fields. The results showed that mobile devices were more reliable for measuring penetration resistance, while handheld devices offered advantages in terms of affordability and abundance.
Researchers use ultrafast X-ray lasers to study photosystem II protein in action, capturing the first high-resolution 3-D view at room temperature. The study reveals that previous theories explaining the mechanisms may be incorrect and opens new avenues for understanding photosynthesis.
A recent drilling expedition at Chicxulub crater revealed how it collapsed to form a complex crater structure, confirming one prominent theory of peak ring formation. The findings provide insights into deep subsurface processes and challenge an alternative hypothesis on the origin of peak rings.
A study published in JAMA Ophthalmology estimates that approximately 30,000 individuals per year report to US emergency departments with sports-related eye injuries. The majority of these cases involve males playing basketball or baseball, with the latter leading to significant blowout fractures and impaired vision.
A global assessment of forests reveals a 10% decrease in tree species richness leads to a 2-3% decline in biomass production. The study estimates the value of biodiversity in maintaining commercial productivity at $166-490 billion, far exceeding conservation costs.
A study found that at least 1 in 3 gene expression studies contain mislabeled samples, leading to incorrect conclusions. Researchers used a sex-specific gene expression approach to detect mislabeling and found that 46% of human tissue datasets contained discrepancies.
A study by Rush University Medical Center found discrepancies in hospital rankings due to faulty data, which can skew safety scores down. The authors suggest that rating systems try to account for severity of illness but often rely on flawed metrics.
A study found that household dust contains 45 potentially toxic chemicals, including phthalates, phenols, and flame retardants, which can be inhaled or ingested. These chemicals are linked to serious health problems, such as cancer, developmental toxicity, and respiratory issues.
A study found that about three-quarters of patients were using medications associated with increased fracture risk before their fracture, and only a small proportion discontinued these drugs afterwards. The study suggests that some secondary fragility fractures may be preventable by managing high-risk drugs after a primary fracture event.
Scientists have discovered a new species of colorful songbird in the Galápagos Islands, but it's extinct. The San Cristóbal Island Vermilion Flycatcher was elevated to full species status due to genetic differences, with research suggesting two invasive threats likely contributed to its extinction.
A new study from Queen Mary University of London found that listeners can distinguish between low and high resolution audio formats with training. The research analyzed data from over 12,000 trials and suggested that careful selection of stimuli plays a crucial role in identifying the difference.
The American Association of Science advocates data sharing to improve transparency and reproducibility in field sciences like geology, ecology, and archaeology. Discipline-specific repositories can provide better services for researchers to access and use shared data.
New research from NC State University demonstrates that experts can use air sampling technology to detect and quantify radiological releases. The technique was tested using data from the 2014 WIPP nuclear facility accident, achieving impressive accuracy and precision.
UT Dallas researchers found that boards face two competing normative pressures: corporate elite norms and monitoring norms. Social capital affects how boards conform to those pressures. The study proposes introducing mechanisms for institutional investors to positively influence directors and creating full-time director positions.
A US study from 1998 to 2013 found a significant increase in bicycle-related injuries and hospital admissions, particularly among adults over 45 years old. The incidence of these injuries increased by 28% and hospital admissions by 120%.
A special issue of Journal of Empirical Research on Human Research Ethics presents guidelines, protocols, models, and resources for improving data sharing in low- and middle-income settings. Researchers found varying concerns and challenges across five countries, but most agreed that data sharing is crucial for scientific progress.
A new study demonstrates that non-invasive DNA sampling from hair can yield entire genome data, expanding the field of conservation genomics. This technique opens up new avenues for inquiry in adapting to changing environments.
A study analyzing salaries of registered nurses in the US from 1988 to 2013 found that male RNs consistently outearned their female counterparts across settings, specialties, and positions. The pay gap remained unchanged over time, with an estimated $5,148 difference in adjusted earnings.
Research suggests that any potential health benefits from moderate alcohol consumption may only apply to women over 65, and even then, the evidence is limited. High alcohol consumption is linked to over 200 conditions and costs £55bn annually in England.
The pilot project aims to inspire other scientists to collect oceanographic data globally using private yachts as floating microbial observatories. The data collected will be hosted and analyzed at the University of Technology Sydney, providing a valuable resource for researchers worldwide.
Michigan State University researchers found that students with gym memberships had higher GPAs and stayed in school longer. The study analyzed data from 4,843 freshmen and sophomores, showing a 3.5% increase in two-year retention rates among members.
A Columbia Business School study examines fair value accounting's impact on the 2008 financial crisis, finding that investors' concerns about FVA overshadowed its benefits. The research reveals mixed reactions to FVA rule relaxations and highlights bank characteristics associated with positive stock market responses.