Articles tagged with Data Sets
A new peer-reviewed data paper compiles information on Belgian ants, highlighting the FORMIDABEL database with 27,642 records. The database provides insights into the indigenous and exotic ant fauna in Belgium, shedding light on their distribution patterns based on vegetation and soil types.
Researchers found a 36% autumn and 9% winter decline in Arctic sea ice volume over the last decade. The study builds on previous studies using submarine and NASA satellite data, verifying compatibility with CryoSat-2 satellite measurements.
A collaborative project by RDAV and University of Tennessee artist Evan Meaney has won the jury prize for Distributed Microtopias exhibition at FLEFF. The 'Null_Sets' artwork visualizes data size and structure using an open-source script, exploring the gap between data and information.
Researchers have found that commonly used algorithms for identifying patients with recurrent cancer are flawed and often mislead researchers. These algorithms rely on billing codes or secondary tumors to identify patients, but this approach can be inaccurate, as it may not distinguish between new cancers and recurrences.
A UC Riverside study reveals that many California graduate students in environmental sciences lack training in technology and computation, as well as data management practices. Only 29.3% of completed graduates had made their research data available online.
Scientists with NASA's Goddard Space Flight Center have restored the fully calibrated digital dust data from the Apollo 14 and 15 missions, allowing for long-term analysis of the lunar dust readings. This achievement is part of the Lunar Data Project, which aims to make scientific data from Apollo available in modern formats.
A new program will explore solutions for preserving high-energy physics data from the LHC, Fermilab Tevatron, and other research communities. The team aims to develop a global data and software preservation infrastructure.
A U-M analysis shows that removing payment for hospital-acquired catheter-associated urinary tract infections had negligible financial impact on hospitals. The study highlights the inaccuracies of billing data used to implement the policy, leading to unfair penalties for some hospitals.
A genome-wide association study identified several genes associated with hippocampal atrophy, a key feature of Alzheimer's disease. The study found novel associations between brain degeneration and genes in the APOE, F5/SELP, LHFP, and GCFC2 gene regions.
A research team led by Carnegie Mellon University has identified a major source of the US math achievement gap: inadequate knowledge of fractions and division. Fifth graders' understanding of these concepts predicted high school students' algebra knowledge and overall math achievement after controlling for other factors.
Researchers from Indiana University have conducted the most in-depth genetic analysis of defense systems used by trillions of micro-organisms to fend off viruses. The study identifies 64 known and 86 novel types of CRISPRs, providing a history of past exposures to outside invaders like plasmids and bacteriophages.
Researchers at the University of Granada developed a new software solution to predict urban noise levels using a dataset of street type, road conditions, and vehicle speed. The system has shown higher accuracy than traditional mathematical models, with a reliability of 95%, and will help perform urban noise mapping projects.
Scientists found that giant insect sizes decreased after birds evolved around 150 million years ago. Insect size was linked to oxygen levels over hundreds of millions of years, with high oxygen concentrations allowing larger insects during the late Carboniferous period.
A new study reveals that kinship categories across languages reflect general principles of communication, including a trade-off between simplicity and informativeness. The study found that languages use only a handful of the vast number of logically possible kinship categories, with English and Mandarin Chinese using two and four terms...
Researchers found that the force of the Mississippi River emptying into the Gulf created mounds of freshwater which pushed the oil slick away from the coast. This discovery could help improve predictions of where oil will make landfall in future spills, sparing fragile coastlines and wildlife.
The Virginia Tech Helmet Ratings program has released its 2012 ratings for adult football helmets, with three models earning a 5-star mark. The top-rated helmets are the Riddell Revolution Speed, Rawlings Quantum Plus and Riddell 360, which demonstrate improved safety features.
The Earthbyte group presents GPlates, a new software for analyzing geological and geophysical data sets in tectonic reconstructions. The tool allows users to rapidly visualize diverse constraints, enabling informed choices between different models and data.
The Surface Ocean CO2 Atlas (SOCAT) provides a comprehensive dataset of 6.3 million global observations since 1968, documenting year-to-year and decadal changes in ocean carbon uptake. This will help assess the feedbacks between climate change and the ocean carbon cycle.
The CalTech-led Catalina Real-Time Transient Survey has released a massive dataset of 200 million celestial objects, including stars, supernovae, and asteroids. This unprecedented data set will enable scientists to study the evolution of stars, massive black holes, and the structure of the Milky Way.
The new data set contains the brightness histories of two hundred million stars and other objects, incorporating over 20 billion independent measurements. This extensive dataset enables numerous studies by the astronomical community.
A new study by Columbia Business School researchers found that retailer characteristics, not individual stores, explain variation in price dynamics. The analysis used millions of price observations to document high-frequency price movements across stores and chains.
Researchers have developed a tool called Maximal Information Coefficient (MIC) that can uncover patterns in large data sets. MIC can tease out recurring events or sets of data hidden in health information, the changing bacterial landscape of the gut, and statistics from competitive sports.
Researchers developed a tool called MINE that can detect multiple patterns hidden in health information, baseball statistics, and more. It analyzes large data sets with great speed, identifying relationships and ranking them in an equitable way.
Researchers developed a tool called MINE that can detect multiple patterns in large data sets, including health information, baseball statistics, and bacterial landscapes. The tool identifies relationships in a way that no other software program can, offering tremendous exploratory potential.
Researchers analyzed five global temperature data sets and found that after removing short-term fluctuations, all five data sets showed excellent agreement, indicating that global warming is not slowing down. The study suggests that temperatures will continue to rise, emphasizing the urgency of addressing human influence on climate.
A new 'Data Paper' workflow has been pioneered by GBIF and Pensoft publishers to provide incentives for data compilers. The first-ever peer-reviewed paper derived directly from a biodiversity metadata document is published in the ZooKeys journal.
Researchers at Ruhr-University Bochum developed a new method to calculate the probability of extreme events in finance. The traditional approach ignores the bulk of the relevant data, which can lead to important information being lost. By using this new method, scientists can better predict such events and improve financial models.
Researchers have assembled a comprehensive data set to reconstruct the phylogeny of mollusks, revealing a close relationship between snails and mussels. The study confirms an old hypothesis that molluscs are divided into two subphyla, but with unexpected results, including the sister taxa status of snails and mussels.
Researchers create detection tool that spots flight glitches without prior knowledge of parameters to check. The technique uses cluster analysis to identify abnormal flights, allowing analysts to further inspect reports and prevent potential accidents.
Frequent visual field testing in patients with primary open-angle glaucoma may lead to earlier detection of the condition's progression, according to a study published in Archives of Ophthalmology. The researchers found that twice-yearly schedules resulted in earlier detection compared to yearly schedules.
A team of statisticians from Duke University received a $3 million grant to develop statistical methods for making US Census Bureau data available to researchers and the public. The Triangle Census Research Network will preserve anonymity while improving data quality and linking it to related sources.
A study in JAMA found that stress cardiomyopathy (SC) affects postmenopausal women primarily, but also younger patients, men, and those without an identifiable stressful trigger. CMR imaging identified specific criteria for diagnosis, which showed complete normalization of LV function after follow-up imaging.
The GigaScience journal and database launch provides a platform for the open release of large-scale biological datasets, including those from the deadly E. coli O104 outbreak and endangered species like polar bears. This initiative aims to accelerate scientific discovery by enabling rapid data sharing and reuse.
Researchers analyzed over 345,000 bird capture records to assess the risk of injury or mortality from mist netting. Frequently captured birds were found to be less at risk than those captured infrequently due to established adulthood and territory ownership.
A new themed issue of Geosphere delves into the geology and tectonic history of northern San Francisco Bay region, featuring studies on sedimentary and volcanic deposits cut by active strike-slip faults. The papers provide insights into groundwater hydrology, seismic hazard, and plate margin evolution.
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.
The National Biomass and Carbon Dataset (NBCD) provides unprecedented spatial resolution of 30m, offering comprehensive assessment of forest structure and carbon stock within the lower 48 States. This dataset will advance understanding of US natural resources, biodiversity conservation, wildfire risk assessment, and timber production.
The LRO mission has released a comprehensive collection of data, including global maps with resolutions as low as 100 meters per pixel. The dataset includes more than 192 terabytes of raw information, equivalent to approximately 41,000 typical DVDs.
The CDC has partnered with IHME to make its reproductive health survey data available worldwide, covering topics such as pregnancies, births, and contraceptive use in over 30 countries. This move aims to improve population health by providing high-quality evidence for health policy decisions.
ChesapeakeView consolidates various datasets on land use, habitat changes, and biodiversity for research and planning purposes. The project makes these datasets available to the public via its website.
A new study reveals a shift in biomes in Alaska caused by a warming climate, with patterns supporting current hypotheses of increased evergreen forest growth at tundra margins and declining productivity at temperate forest edges. The findings provide a regional picture of forest productivity that did not previously exist.
The 20th Century Reanalysis Project has created a comprehensive reanalysis of global weather events from 1871 to the present day. The dataset provides key historical comparisons for our own changing climate, allowing researchers to understand the impact of extreme weather and climate events over time.
A CCNY-led interdisciplinary team recreated colonial hydrology by synthesizing historical records with present-day data. The study identifies broad hydrologic trends for the northeastern US between 1600 and 1800, highlighting the impact of human factors on waterways.
Researchers found a high rate of weight gain in animal populations, despite varying diets and activity levels. The study suggests that alternative causes, such as epigenetics, may contribute to the obesity epidemic.
Researchers have developed an improved tool for translating lizard body lengths to weights, enabling the evaluation of species health and ecosystem condition. The method, based on empirical evidence, can predict weights of lizards in a reliable and standardized manner.
A new study finds that climate change mitigation will not quickly return the hydrological cycle to its previous state. In contrast, data on tropical cyclone activity disagree, with some datasets showing an increase in storms and others not.
Research features standardized approaches to measure and compare tumor size in lung cancer. The use of precise quantitation tools may allow for more rapid evaluation of the success or failure of drug candidates in clinical trials.
The new Keck website demonstrates advances in digital mapping by providing a customizable interface for users to access various data sets. The site combines ArcGIS Server and Google maps, offering an intuitive way to access data, and is significantly faster than comparable searches, returning results five to six times faster.
The PARASOL satellite has been maneuvered to leave its position within the A-Train constellation, a group of five NASA satellites orbiting the Earth in close proximity. The move will enable data sharing with other satellites while leaving a temporary data gap that will be filled by Glory's launch in 2010.
A large-scale analysis of 1.3 million US citizens revealed a close correlation between people's subjective life-satisfaction scores and objectively estimated quality of life, using data from the Behavioral Risk Factor Surveillance System and environmental indicators.
The team's analysis reveals a unique hominid skeleton with well-preserved pelvic and foot bones, providing insights into Ardi's locomotion and brain size. The discovery sheds new light on human ancestry, challenging previous assumptions about early human relatives.
A new pan-tropical forest mapping initiative, launched at COP15, aims to provide accurate data on forest cover and carbon stocks. The project combines satellite and lidar data from NASA and JAXA, enabling countries to build robust national carbon accounting systems.
The Sea Education Association (SEA) is conducting an expedition to measure plastic marine debris in the North Atlantic Ocean. The trip will explore an area southeast of Bermuda, where large concentrations of plastic debris have been observed, similar to the Great Pacific Garbage Patch.
Researchers at Michigan Technological University have identified three genes linked to sporadic ALS, a type of neuromuscular disorder. The discovery provides valuable insights into the genetic basis of the disease and may lead to the development of new treatments or a potential cure.
Researchers developed computer models to classify injury reports based on specific words or phrases, identifying key causes of injuries. The models achieved high accuracy rates, comparable to human coders, and have the potential to lead to automated report coding programs.
The University of Kentucky Center for Public Health Systems and Services Research has received a $600,000 grant to create an integrated dataset that will provide researchers with access to critical information to inform translational practice decisions. The dataset will combine survey data from various organizations, enabling users to ...
The new short film 'Return to the Moon' showcases NASA's legacy of lunar exploration using data from the Apollo and LRO missions. The film features a six-foot sphere displaying stunning imagery, allowing viewers to witness the moon's surface and understand the rationale for returning to it.
A team led by Livermore scientists has reconciled the differences between simulated and observed temperature trends in the tropics. They applied a modified statistical test to account for uncertainty in observational data and found no fundamental discrepancy between modeled and observed trends. This reconciliation is thanks to the use ...
Scientists have released the first national biomass and carbon dataset, which provides high-resolution estimates of forest biomass and carbon stock. The dataset, known as NBCD2000, is being made available for download on a zone-by-zone basis and offers valuable information for quantifying the carbon stock in U.S. forests.
Research on online dating site HOTorNOT.com reveals that people tend to date those who match their level of physical attractiveness. More attractive individuals prioritize physical attraction in potential dates, while less attractive individuals place greater emphasis on other qualities.