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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

Passive smoking at work increases rate of sick leave among employees

A health survey of Hong Kong police officers found that longer exposure to passive smoking was associated with more time off work, doctor visits, and medication use. Non-smoking men exposed for over a year were twice as likely to take time off and 30% more likely to have respiratory symptoms.

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.

You don't have to feel sleepy to have sleep apnea, U-M study finds

A University of Michigan study suggests that patients with undiagnosed sleep apnea may not always describe their symptoms as 'sleepy', but rather experience fatigue, tiredness, or lack of energy. Laboratory sleep tests revealed interrupted breathing patterns in 73% of the study's subjects.

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.

American Thoracic Society Journal news tips for June

Two studies found a decrease in respiratory illnesses among school-age children after improved air quality. Lung function continued to grow in adolescents despite cessation of growth in height, with males showing greater gains. A new diagnostic test for asthma in young children was also developed.

Simple change in mechanical ventilator cuts deaths by more than 20 percent

A nationwide clinical trial found that reducing tidal volumes in mechanical ventilation can cut mortality from Acute Respiratory Distress Syndrome (ARDS) by up to 22%. The study, involving 861 patients and coordinated at Massachusetts General Hospital, used a new technique with smaller oxygen puffs to provide breathing assistance.

Medical test helps children, cuts costs

A new medical test using pulse oximetry can accurately diagnose obstructive sleep apnea in children, reducing equipment and staffing costs. The test also enables early treatment for children with breathing obstruction related to tonsils or adenoids, improving respiratory health outcomes.

Apple iPhone 17 Pro

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

9th European Congress on Lung Disease

The 9th annual meeting of the European Respiratory Society will address various topics such as lung cancer, asthma, chronic bronchitis, and sleep apnea. The congress will also feature discussions on artificial ventilation methods, non-invasive ventilation, and respiratory problems faced by mountaineers, deepsea divers, and astronauts.

UI study suggests genetics and gender affect human response to endotoxin

A recent University of Iowa Health Care study found that genetic factors and sex differences significantly affect human responses to endotoxin, with women more likely to experience declined airway function. The study examined 72 individuals without respiratory conditions and discovered a wide range of reactions to the contaminant.

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.

Bartenders' Health Improves After Smoking Banned in Bars

A recent study found that bartenders' respiratory health and lung function improved significantly after a smoke-free environment was established in California bars. The study, supported by the National Heart, Lung, and Blood Institute, suggests that banning smoking in bars can have a positive impact on the health of bartending staff.

New Research: Children Inhale Higher Percentage Of Pollution

A new study found that children retain more simulated air pollution per unit of lung surface area than adults, suggesting they are more susceptible to illnesses caused by polluted air. Researchers will extend their studies to exercising volunteers to further understand the effects of particulate air pollution on children.

Obesity And Breathing Capacity

A study of 1235 adults found that obesity was associated with reduced breathing capacity, but only when fat mass was present. Handgrip strength and muscular fitness were also linked to improved lung function, suggesting a mediating role in the relationship between body composition and respiratory function.

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.

Study Shows Athletes Get No Kick From Nasal Strips

A new study by exercise science researchers at the University at Buffalo found that wearing nasal strips has no effect on breathing during intense exercise. The strips may still be beneficial for individuals with exercise-induced asthma, however.

Sleep Apnea Is A Risk Factor For Hypertension

Researchers found a causal relationship between sleep-disordered breathing and hypertension in a substantial number of American adults. People with mild to moderate sleep apnea were 1.8 times more likely to have hypertension than those without, with the severity of apnea linked to increased blood pressure risk.

Research Sheds New Light On How "Abs" Function

Researchers have shown that different abdominal muscle fibers answer to different tasks, such as breathing and movement. This discovery highlights the need for specific therapies tailored to each task to maximize rehabilitation.

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.