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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

Diagnoses of major conditions failing to recover since the pandemic

A recent study by King's College London found that diagnosis rates for depression, asthma, and osteoporosis remained lower than expected after the COVID-19 pandemic. The study analyzed data from over 29 million people in England and found that diagnosis rates recovered differently across ethnic and socioeconomic groups.

CHEST receives Glenview Environmental Sustainability Award for Innovation

The American College of Chest Physicians (CHEST) received the 2025 Glenview Environmental Sustainability Award for Innovation, recognizing its commitment to clean energy and reduced emissions. The organization's solar panel installation at its headquarters powers medical simulation facilities using renewable energy.

Apple iPhone 17 Pro

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

CHEST releases guideline on biologic management in severe asthma

The American College of Chest Physicians released a new clinical guideline on biologic management in severe asthma. The guideline provides evidence-based recommendations for selecting biologics for different patient populations, considering factors such as baseline oral corticosteroid use and comorbid conditions.

European consortium together transforming future of COPD care

A European consortium developed a new decision-making framework to predict COPD exacerbation severity and prognostic risk, integrating three key factors: baseline health status, event intensity, and triggers. This framework, known as BAt model, aims to guide treatment strategies and improve consistency across clinical settings.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

World COPD Day: November 19, 2025

World COPD Day on November 19 highlights the significance of correctly diagnosing chronic obstructive pulmonary disease (COPD) earlier. Up to 70% of adults with COPD remain undiagnosed, leading to poorer quality of life and health outcomes. Active case finding through spirometry can improve diagnosis and treatment.

Nonlinear association between systemic immune-inflammation index and in-hospital mortality in critically ill patients with chronic obstructive pulmonary disease and atrial fibrillation: a cross-sectional study

A cross-sectional study investigated the relationship between systemic immune-inflammation index (SII) and in-hospital mortality in ICU patients with chronic obstructive pulmonary disease (COPD) and atrial fibrillation (AF). The results showed a nonlinear association between SII and in-hospital mortality, with higher SII values associa...

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

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.

Meta Quest 3 512GB

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

Inhaling cannabis may greatly increase your risk of getting asthma

A new study found that inhaling marijuana daily is associated with a 44% increased chance of developing asthma. Experts say people should avoid inhaling cannabis to reduce the risk of chronic lung disease. The study's authors emphasize the need for clearer messages about the risks of cannabis use.

People with schizophrenia have higher risk of COPD

People with schizophrenia are more likely to develop chronic obstructive pulmonary disease (COPD) due to shared genetic, socioeconomic, and environmental factors. The lack of adequate medical care also contributes to the under-diagnosis of COPD in this population.

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.

$3.8M NIH grant will fund research into potential early COPD biomarker

A new study will investigate whether low levels of the lung protein CC16 in childhood can predict who will develop early chronic obstructive pulmonary disease (COPD) later in life. The five-year study aims to identify children at risk for early COPD and potentially intervene to prevent lung disease.

Frailty linked to higher risk of respiratory complications and death in smokers

A new study published in Aging-US found that frailty is associated with increased respiratory exacerbations and mortality in individuals with a history of cigarette smoking. Frail participants had a three- to five-fold higher chance of developing serious or frequent respiratory attacks, even if they had normal lung function.

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.

How aging quiets lupus and brings relief to some older patients

Researchers found that certain antiviral genes become less active with age in people with lupus, leading to fewer inflammatory proteins. This reversal of 'inflammaging' may explain why symptoms improve in some older patients, allowing them to approach healthy aging.

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.

COPD prevalence, disease burden varies significantly by state

A new study found significant variation in COPD prevalence and burden across states and insurance types, with West Virginia topping the list at 143 cases per 1,000 insured individuals and Utah ranking last at 44. The study also revealed high mortality rates among people with COPD in several states.

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.

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.

A multidimensional diagnostic approach for COPD

A new COPD diagnostic approach integrates respiratory symptoms, quality of life, spirometry, and CT imaging to accurately classify individuals with the disease. This framework reveals increased risks for mortality, exacerbations, and lung function decline among those classified as having COPD.

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.

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.

New analysis underscores health risks of e-cigarettes

A recent study of 249,190 individuals found a significant link between exclusive e-cigarette use and chronic obstructive pulmonary disease (COPD) and hypertension in adults aged 30-70. In contrast, traditional combustible cigarette smoking was associated with increased risks for various cardiometabolic 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.

CHEST Critical Care and CHEST Pulmonary receive indexation with Scopus

The American College of Chest Physicians' CHEST Critical Care and CHEST Pulmonary journals have been indexed in Elsevier's Scopus database. This achievement is a testament to the high-quality research published in these journals, which provide open access content in pulmonary and critical care medicine.

Protein in the nose provides information about COPD

Researchers at Karolinska Institutet have developed a new method to diagnose COPD by analyzing protein levels in nasal lavage. The study found that elevated IL-26 levels can indicate an early phase of the disease, and may lead to new treatment strategies targeting this cytokine.

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.

Educational streaming platform CHEST MedCast launches

CHEST MedCast offers over 400 videos and podcasts with personalized content recommendations, available on-demand and at any time from any device. The platform features an algorithm-based recommendation engine and up to 100 available CME credits/MOC points.

Statins, aspirin may impact muscle health in smokers

A new study suggests that statins can reduce chest muscle loss in smokers, while aspirin may contribute to increased muscle loss. The study examined data from 4,191 participants and found that statins protected pectoralis muscle area and density, whereas aspirin led to decreased muscle mass.

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.

People with COPD and arthritis have an increased risk of death

A new study found that people with chronic obstructive pulmonary disease (COPD) and arthritis have a significantly increased risk of death compared to those with only arthritis. The research analyzed data from over 11,000 individuals in the US and discovered a strong association between COPD and mortality rates in people with arthritis.