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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

Why private health insurers are losing money on the Affordable Care Act

Underpriced policies and the absence of young, healthy individuals in insurance risk pools are driving up premiums. Insurers like Aetna face significant losses, prompting rate hikes and withdrawals from the marketplaces. The long-term consequences threaten the sustainability of the Affordable Care Act.

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.

Costs of similarly effective breast cancer treatments vary widely

A new study finds that breast cancer chemotherapy regimens with similar efficacy have significantly varying costs, affecting patients' financial burden. The study highlights the need for accessible information to inform treatment decisions and promote well-informed shared decisions regarding treatment options.

Apple iPhone 17 Pro

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

Are prosthetic interventions for transtibial amputees cost effective?

A study evaluated the cost-effectiveness of prosthetic interventions for transtibial amputees, finding that they can reduce healthcare burden and improve quality of life despite higher initial costs. The analysis suggests that prosthetic use can lead to lower overall costs by decreasing utilization and adverse events.

The effectiveness of activity trackers and rewards to encourage physical activity

A study from Duke-NUS Medical School found that activity trackers alone or with rewards did not increase physical activity levels. However, those who received cash rewards showed significant increases in activity. The benefits of tracking were short-lived, and participants returned to their previous activity levels after the incentives...

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.

Handgrip strength provides a new window to health

A comprehensive set of reference values for handgrip strength is provided, enabling practitioners to identify individuals at risk of premature death and disease. The study builds on previous research, showing that handgrip strength corresponds with markers of age, such as mortality, disability, and cognitive decline.

Invasive insects cost the world billions per year

A new study estimates that invasive insects globally incur at least US$70 billion in annual costs to goods and services, while also resulting in significant health expenses. The researchers stress that these figures are likely underestimates due to the lack of research on the topic in many regions.

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.

Avoiding hospitalization for certain low-risk acute medical conditions appears safe

A comprehensive review of studies on alternative management strategies for low-risk acute medical conditions found that all four evaluated approaches are safe, improve patient satisfaction, and reduce healthcare costs. However, some exceptions were noted, including higher-than-anticipated return hospitalization rates for certain condit...

Combination therapy shows promise for chronic myeloid leukemia

Researchers discovered a combination of two inhibitor drugs that can stop CML completely and significantly lower treatment costs. The study, published in Science Translational Medicine, found encouraging response and cure rates for both chronic phase and blast crisis, offering new hope for patients.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Exercise can help keep medical costs down

A new study published in the Journal of the American Heart Association found that regular exercise can lead to lower healthcare costs, even for those with established cardiovascular disease. Participants who met exercise guidelines had average yearly medical costs $500 lower than those who didn't.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Research reveals artificial thyroid cancer epidemic

Research by Australian National University has found that diagnoses of differentiated thyroid cancer have increased three-fold in 25 years despite no change to death rates. Over-meticulous examinations are leading to unnecessary surgeries, causing substantial medical costs and complications for patients.

Lung disease costs set to rise to £2.5bn per year, experts project

Experts predict a significant increase in lung disease cases due to rising smoking rates and longer life expectancy, with over 1.3 million cases projected in England by 2030. The condition is expected to cost £2.5 billion annually, with more women than men affected, mainly due to their longer average lifespan.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Experts call for better services for patients with facial pain

Patients with persistent face pain may experience significant disability and inconvenience due to inadequate treatment. Experts propose a 'hub and spoke' model for efficient diagnosis and management, which could save the NHS money while improving patient outcomes.

ICU use associated with more invasive procedures, higher costs

A study of four common medical conditions found that hospitals using intensive care units (ICUs) more frequently were associated with more invasive procedures, higher hospital costs, but showed no improvement in mortality rates. Smaller hospitals and teaching hospitals had higher ICU utilization rates.

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.

Higher ICU usage led to increased invasive procedures and costs

A new study by LA BioMed and UCLA found that hospitals using ICUs more frequently perform more costly and invasive procedures but do not see better mortality rates among patients with four common conditions. The study analyzed records from 156,842 hospitalizations and reported higher costs ranging from $647 to $3,412.

Health-care costs are bad medicine

New research reveals that over 40% of people with depression and anxiety skipped healthcare treatment due to cost. Adults with asthma, emphysema, and COPD faced significantly higher household out-of-pocket healthcare expenditure compared to those without a health condition.

Low rate of Internet use by seniors for health purposes

A recent study published in JAMA found that only 25% of seniors in the US used digital health technology between 2011 and 2014. The study also revealed socioeconomic disparities in digital health use, with older age, black and Latino ethnicity, divorce, and poor health associated with lower use.

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.

For whom the births (and worms) toll

A study of 869 Tsimane women over 12 years found that high birthrates do not significantly impact maternal health, contrary to expectations. Despite a harsh environment with limited nutrition and high parasite exposure, women experience minimal health costs from their intense reproductive effort.

Rise in avoidable diabetes hospital visits

Researchers at the University of Leicester found that hospital admissions for hypoglycemia have risen by 39% between 2005 and 2014, with almost 80,000 people admitted. The average cost per admission is estimated to be £1,000, with the total cost of treating severe episodes in the UK around £13 million.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

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.

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.

Reforming clinical research to reduce waste

Clinical research waste is estimated at 85% of total medical research costs. Professor Ioannidis argues that reforming clinical research with problem-base, context-placing, and patient-centered features can make it more useful to clinicians. This would result in more efficient and effective clinical decision-making.

UK rheumatologists go beyond NICE guidance on cost when treating RA patients

A study presented at EULAR 2016 found that UK rheumatologists often deviate from NICE guidance on cost when treating RA patients, citing clinical autonomy and patient involvement as key factors. The study suggests that further research is needed to explore the impact of these deviations on patient outcomes and cost-effectiveness.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Why everyone wants to help the sick -- but not the unemployed

A study by Aarhus University researchers found that people across countries share a common intuition that ill individuals are unlucky and deserving of help. This psychological tendency makes it challenging to change attitudes towards healthcare costs, despite growing concerns about lifestyle diseases.

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.