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Life Sciences

Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.

447,757 articles | 2542 topics

Health and Medicine

Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.

431,843 articles | 751 topics

Social Sciences

Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.

260,756 articles | 745 topics

Physical Sciences

Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.

257,913 articles | 1552 topics

Applied Sciences and Engineering

Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.

225,386 articles | 998 topics

Scientific Community

Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.

193,043 articles | 157 topics

Space Sciences

Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.

29,662 articles | 175 topics

Research Methods

Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.

21,889 articles | 139 topics

Mathematics

Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.

3,023 articles | 113 topics

Large-scale treatment of parasitic-worm disease cost-effective

A new study suggests that expanding treatment programs to include preschool children and adults is more beneficial, reducing transmission and disability. The study found that a broader scope of treatment would be cost-effective, with an incremental cost-effectiveness ratio of $167.

Home-based treatment is cost-effective alternative for heart patients

A recent study published in the International Journal of Cardiology found that home-based treatment (HBI) for chronic heart failure patients was more cost-effective than traditional clinic-based intervention. The study showed that HBI resulted in longer patient survival, reduced hospital stay duration, and lower healthcare costs

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Projected benefits of high BP treatment in China

A modeling study predicts treating hypertension in China could prevent between 600,000 and 1,000,000 cardiovascular disease events annually. The intervention is projected to be borderline cost-effective, with costs ranging from $10,000 to $18,000 per quality-adjusted life year gained.

Study examines cost-effectiveness of newer cholesterol guidelines

A study examines the cost-effectiveness of new cholesterol guidelines, finding that a more lenient threshold may be cost-effective. The analysis suggests that shifting from a 7.5% ASCVD risk threshold to 3-4% thresholds could avert up to 160,000 cardiovascular events.

Autonomous taxis would deliver significant environmental and economic benefits

A new study from Lawrence Berkeley National Laboratory found that autonomous taxis could significantly reduce per-mile greenhouse gas emissions, with savings ranging from 63-82% compared to hybrid vehicles and 90% compared to gasoline-powered cars. The use of right-sizing, where the size of the taxi is tailored to each trip's occupancy...

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Six times more expensive to travel by car than by bicycle: Study

A new study from Lund University reveals that car travel is six times more expensive than cycling. The study found that cars have a greater negative impact on the economy than bicycles, with costs ranging from EUR 0.15 per kilometre for driving versus EUR 0.08 per kilometre for cycling.

Papers identify effective and cost-effective treatments for complex wounds

Two new papers by St. Michael's Hospital researchers identified effective treatments for diabetic ulcers and pressure ulcers, as well as cost-effective interventions for complex wounds. The studies analyzed high-quality systematic reviews and cost-effectiveness analyses to provide clinicians and decision-makers with a guide towards tai...

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Annals of Internal Medicine tip sheet for March 17, 2015

The American College of Physicians recommends against routine cardiac screening for low-risk adults, citing insufficient evidence and potential harms. Instead, physicians should focus on mitigating cardiovascular risk through treating modifiable factors like smoking and hypertension.

Analysis: High-cost blood cancer drugs deliver high value

A recent study published in Blood found that most breakthrough blood cancer therapies have favorable cost-effectiveness ratios, with some treatments providing better value than others. The median ratio for industry-funded studies was $26,000/QALY, while non-industry-funded studies had a median ratio of $33,000/QALY.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

EPA's Clean Power Plan: Economic strengths and weaknesses

The plan aims to reduce carbon emissions from power plants by 30% by 2030 through various actions such as improving efficiency, using natural gas, expanding renewables, and creating energy efficiency programs. However, economists argue that the current design of the plan may not achieve its intended emissions reductions due to a lack o...

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

CT lung screening appears cost-effective

A new analysis of NLST results concludes that CT lung screening is cost-effective in aging smokers, but its implementation will depend on various factors. The ratio of costs per quality-adjusted life-year added was $81,000, below the $100,000 threshold.

New meningitis vaccine only cost-effective at low price

Researchers estimate that vaccinating babies against meningitis B disease could reduce cases by 26% in the first five years. The maximum reduction would be achieved by combining infant vaccination with an adolescent vaccination at 13-years-old.

Interactive history beats interactive chat for website engagement

Researchers found that displaying a user's interaction history on a website can offer a sense of conversation, making it more engaging than traditional websites. This approach also fosters positive attitudes towards the site, improving user trust and awareness of their actions.

Experts at LSTM use modelling approach to assess the effectiveness TB diagnostics

Experts at LSTM used a novel modelling approach to project the effects of new diagnostic methods and algorithms for TB in Tanzania. The integrated model compared the costs and effectiveness of different diagnostic options, identifying Xpert MTB/RIF as a cost-effective option with the potential to reduce the national burden of TB.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Imaging identifies asymptomatic people at risk for stroke

A new study found that imaging can be a cost-effective way to identify people at risk for stroke and help sort patients into invasive or less invasive options. The study used transcranial Doppler sonography to assess cerebrovascular reserve in asymptomatic individuals with carotid artery stenosis.

Results of US CoreValve High Risk Trial reported at TCT 2014

The US CoreValve High Risk Trial found that transcatheter aortic valve replacement (TAVR) provided lower 12-month mortality compared to surgical aortic valve replacement (SAVR) in high-risk patients. TAVR also showed significant improvements in quality of life, with estimated gains of 0.24 life years and 0.20 quality-adjusted life years.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Study compares cost-effectiveness of weight-loss programs and drugs

A cost-effectiveness analysis of commercial diet programs and pills found that Weight Watchers and the drug Qsymia provided the best value for money, with a lower annual cost than other options. The study suggests that employers and third-party payers should consider coverage for these interventions to maximize health gains.

'Off-the-shelf' equipment used to digitize insects in 3-D

A cost-effective system uses off-the-shelf equipment to produce 3D models of medium-to-large insects, enhancing biodiversity discovery and species identification. The compact models have excellent optical resolution and can be shared via documents and web pages.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Economic evaluation of an osteoporosis screening campaign using FRAX

Researchers found an osteoporosis screening campaign using FRAX as a pre-screening tool to be cost-effective if there is optimum follow-up and adherence to medication. The study used microsimulation modeling to estimate the incremental cost-effectiveness ratio of the strategy versus no intervention.

Monitoring inactive hepatitis B patients is cost-effective strategy for Shanghai

A novel study suggests that monitoring inactive chronic hepatitis B (HBV) carriers is a cost-effective strategy for China. The M&T strategy, which includes twice-yearly assessment of HBV and ALT levels, would result in significant health benefits at the population level, including reduced liver cancer and mortality rates.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Weighing up blood-thinners: Is warfarin always the best choice?

A new study by Joyce You found that newer anticoagulants are more cost-effective than warfarin when patients' therapeutic ranges drop below 60%. Warfarin is most cost-effective when patients are within the successful range for more than 70% of the time. The study's results have implications for clinicians and policymakers.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Accelerated radiotherapy more efficient than current practice

Researchers recommend accelerated radiotherapy as standard treatment for un-resected non-small cell lung cancer patients not receiving concurrent chemo-radiotherapy, citing its efficiency over current practice. However, cost-effectiveness of different modified schemes remains uncertain and requires further research.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Screening at-risk adolescents for celiac disease proves cost-effective

A new study found that screening only high-risk patients for celiac disease is more cost-effective than universal screening, preventing bone loss and fractures in patients with undiagnosed or subclinical disease. The strategy also reduces unnecessary endoscopic evaluations of healthy individuals.

Cost-effective: Universal HIV testing in India

A new study suggests that universal HIV testing in India could be a cost-effective strategy to save millions of lives. The study found that testing every five years would be the most cost-effective option, with a price tag of $1,900 per year of life saved in the general population and $1,300 per YLS among high-risk groups.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Current HIV screening guidelines are too conservative

A new study suggests that current CDC guidelines for HIV screening are too restrictive, recommending less frequent testing for both high- and low-risk groups. More frequent screenings, up to every three months for high-risk individuals and every three years for low-risk groups, would be cost-effective in the long run.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Novel trading system could help fund global health

A novel global trading system based on cost-effectiveness of health interventions is proposed to help fund global health. The system, which exchanges DALY credits, aims to incentivize high-income countries to scale up their health commitments and meet the Millennium Development Goals.

Introducing 'more patient reality' into NHS spending decisions

A new study by health economists at the University of York has produced an estimate of the impact on other NHS patients of new and more costly drugs and treatments. The research suggests a refinement of NICE's cost-effectiveness threshold, potentially leading to lower prices for new drugs when value-based pricing is introduced.

Mobile phone services help smokers quit

A new systematic review found that people who received mobile phone-based smoking cessation services were more likely to stay away from cigarettes for six months. The review analyzed data from five studies involving over 9,000 participants, showing a nearly doubling of quit rates in intervention groups compared to control groups.

Annals of Internal Medicine tip sheet for Oct. 30, 2012

The American College of Physicians (ACP) suggests using evidence-based performance measures to assess the use of low-value interventions, such as routine X-ray or advanced imaging methods for uncomplicated low back pain. This approach aims to improve health care quality by changing clinician behavior through feedback and public reporting.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Effectiveness of HIV pre-exposure prophylaxis in Peru

A mathematical model suggests PrEP can be a cost-effective addition to existing HIV prevention strategies for MSM populations in Lima, Peru. However, significant funding would be required to generate substantial reductions in HIV incidence.

Change in treatment regime for cryptococcal meningitis may be needed

Researchers found a short (7-day) course of amphotericin along with high-dose fluconazole for at least 2 weeks is the most cost-effective and least toxic treatment for cryptococcal meningitis. This regimen is significantly cheaper and less toxic than the current WHO-recommended treatment, which results in more deaths.

Child mortality declines in Niger

In Niger, child mortality rates dropped significantly between 1998 and 2009, with deaths per 1,000 live births decreasing from 226 to 128. The country's universal healthcare system and scale-up of insecticide-treated bed nets, vitamin A supplementation, and community-based treatment also contributed to the decline.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.