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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

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.

Eight predictors of upper gastrointestinal bleeding after heart attack

Researchers at Karolinska Institutet have identified eight primary factors that increase the risk of upper gastrointestinal bleeding after heart attack. The study, published in European Heart Journal - Cardiovascular Pharmacotherapy, found that smoking, blood pressure, and blood glucose are among the new predictors.

Apple iPhone 17 Pro

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

Culprit vessel-only strategy has lower mortality rates compared to routine MVI

A contemporary real-world analysis of culprit vessel-only intervention (CVI) versus multivessel intervention (MVI) in patients with acute myocardial infarction (AMI) and cardiogenic shock (CS) found lower mortality rates for CVI. The study, presented at the Society for Cardiovascular Angiography and Interventions 2018 Scientific Sessio...

Fluke 87V Industrial Digital Multimeter

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

New drug protects heart from cardiac rupture after myocardial infarction

Researchers from Kumamoto University found that LCZ696 prevents cardiac rupture and heart failure following acute myocardial infarction. The study showed that LCZ696 reduces mortality due to cardiac rupture by inhibiting inflammatory cytokines and MMP-9, improving prognosis for patients with chronic heart failure.

Gender gap in death from heart attack reduces particularly in younger women

Over a 20-year period, the gender gap in death from heart attack has reduced significantly, with overall in-hospital mortality for heart attack patients halved. Younger women have seen particularly significant reductions in mortality, with decreases of 6% and 13% in mortality rates for STEMI and NSTEMI patients, respectively.

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.

Woodstoves are good for the soul, bad for the heart

A McGill University and Health Canada study found that air pollution from wood burning increases the risk of heart attacks in seniors by 19% during cold seasons. The researchers suggest that tackling air pollution caused by fireplaces and woodstoves may improve public health.

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.

New, faster therapeutic hypothermia techniques

Rapid lowering of body temperature after a heart attack can minimize damage to the heart muscle. New research highlights the need for faster and more effective cooling techniques to realize the full potential of therapeutic hypothermia.

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.

Metformin fails to reduce heart failure after heart attack

A rigorous clinical trial found that metformin did not preserve left ventricular function in non-diabetic patients with acute myocardial infarction. The study suggests that the commonly used glucose regulator is not beneficial for protecting against heart failure after a heart attack.

Deaths higher for heart attack patients at night and weekends

A systematic review and meta-analysis of 48 studies involving 1,896,859 patients found that presenting with a heart attack during off-hours (weekends and nights) is associated with a 5% relative increase in mortality. This results in an estimated 6,000 extra deaths per year in the US alone.

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.

30-day mortality after AMI drops with improved treatment

Improved treatment and management of acute myocardial infarction have led to significant reductions in 30-day mortality, from 12.9% to 3.9%, and in-hospital complications. The analysis suggests that the declines are due to both increased use of recommended interventions and earlier use of medications.

Strategy appears to help rule-in, rule-out heart attack within 1 hour

A new algorithm using high-sensitivity cardiac troponin T values can quickly classify patients as either likely to have a heart attack or not, reducing the need for prolonged monitoring. The strategy has been shown to be safe and accurate, ruling-out or ruling-in heart attacks within one hour in 77% of patients with acute chest pain.

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.

AMI: The scale of the problem

Acute myocardial infarction (AMI) is a leading cause of death in the Western world, with prevalence expected to rise in developing countries. Primary PCI can open more vessels than thrombolytic therapy, saving more lives but requiring specialized facilities and collaboration.

Results from the TRIANA trial

The TRIANA trial found primary angioplasty superior to thrombolysis in treating acute myocardial infarction (AMI) in patients aged 75 or older. Primary angioplasty showed a significantly lower need for recurrent cardiac ischemia and comparable outcomes compared to thrombolysis.

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.

Many patients with heart disease have poor knowledge of heart attack symptoms

A study found that nearly half of heart disease patients have poor knowledge about heart attack symptoms, which can lead to delayed treatment and reduced survival rates. The researchers suggest that targeted education efforts during medical office visits can help improve knowledge and outcomes for these high-risk patients.

Variability in health care treatment costs amongst 9 EU countries

A study analyzing 9 EU countries found significant variations in healthcare treatment costs, with prices ranging from €1290 to €8739 per patient. The cost differences between Eastern European and other EU member states create opportunities for cross-border trade.

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.

Heart attack death rates appear lower at 'America's best hospitals'

According to a study published in Archives of Internal Medicine, individuals admitted for heart attack to top-ranked hospitals are less likely to die within 30 days compared to those admitted to non-ranked hospitals. However, the study found that many unranked hospitals also had lower-than-expected death rates.

Meta Quest 3 512GB

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

Ecstasy can trigger heart attacks in users

A recent case report reveals that MDMA can trigger heart attacks, with symptoms similar to those caused by cocaine or amphetamine use. Physicians are advised to familiarize themselves with the emerging trend of MDMA use and its potential risks.

More evidence that wealth equals health

A Canadian study analyzing 47,000 Ontario patients reveals a strong correlation between wealth and access to angiography procedures. The findings suggest that disparities in healthcare are unlikely to be resolved by increasing the overall availability of these procedures.