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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

Blue light can reduce blood pressure

Exposure to whole-body blue light significantly reduces systolic blood pressure by almost 8 mmHg, similar to blood pressure lowering drugs. Blue light also improves other cardiovascular risk markers such as arterial stiffness and increased blood vessel relaxation.

Low health literacy associated with early death for cardiovascular patients

Patients hospitalized with cardiovascular disease are more likely to die within a year if they have low health literacy. The study considered social and behavioral factors such as physical activity, medication adherence, and perceived health competence, which were found to be significant predictors of mortality.

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.

If you smoke, now is a very good time to quit

Researchers found that former smokers who quit within the last five years reduced their cardiovascular disease risk by 38 percent compared to those who continued to smoke. It took 16 years since quitting for former smokers' risk of cardiovascular disease to return to the level of never smokers.

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.

Apple iPhone 17 Pro

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

Carotid artery MRI improves risk assessment for cardiovascular disease

A new study using carotid artery MRI shows that measurements of wall thickness can improve cardiovascular disease risk assessment. The technique offers a more accurate predictor of cardiovascular events than ultrasound-based intima-media thickness (IMT) tests, especially for stroke risk.

Meta Quest 3 512GB

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

Delayed pregnancy -- heart health risks for moms and sons, study shows

A new study finds that delayed pregnancy may increase cardiovascular disease risk in both women and their children, with boys at higher risk. Researchers also found sex-specific differences in health risks of the offspring, highlighting the importance of assessing cardiovascular health during pregnancy.

A simple measurement of abdominal obesity

A simple measurement of abdominal obesity index (ABOI) has been developed to determine central obesity, focusing on abdominal fat content rather than total body weight or shape. ABOI can be calculated by measuring abdominal circumference and chest circumference, providing a more accurate assessment of abdominal obesity.

Mediterranean-style diet may lower women's stroke risk

A new study led by the University of East Anglia found that following a Mediterranean-style diet high in fish, fruits, and nuts, and low in meat and dairy, may reduce stroke risk in women over 40, with a 22% reduction in risk compared to men who showed no significant reduction.

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.

Individual, societal changes needed to combat obesity

The American College of Cardiology emphasizes that combating obesity in the US will require individual and societal changes to reduce cardiovascular risks. Implementing policy-level interventions, increasing physical activity, and promoting healthier diets are key aspects of this approach.

New evidence of a preventative therapy for gout

Researchers found that targeting IL-1β reduced risk of gout attacks by half, with no change in serum urate levels, suggesting an independent mechanism. The study's findings could lead to new therapeutic avenues for both heart disease and crystal diseases like gout.

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.

Low fitness may indicate poor arterial health in adolescents

A recent Finnish study found that adolescents with better aerobic fitness have more compliant arteries than their lower-fit peers, suggesting a link between anaerobic threshold and arterial stiffness. Regular physical activity starting in childhood may be the first line in preventing early arterial aging.

Fluke 87V Industrial Digital Multimeter

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

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.

Take a vacation -- it could prolong your life

A 40-year study found that vacations can prolong life by reducing stress. Men who took longer vacations had lower mortality rates than those with shorter vacation times, suggesting that stress reduction is key to cardiovascular health.

Components of heart healthy diet may differ from what was previously thought

A new study suggests that a heart-healthy diet may consist of foods previously thought to be detrimental, such as dairy products and meat. The research, which analyzed data from over 218,000 people across five continents, found that consuming these foods was associated with lower risks of cardiovascular disease and death.

Rethinking a healthy diet from a global perspective

Scientists developed an updated international approach to identifying a healthy diet by analyzing data from large global studies involving over 240,000 people from more than 50 countries. The new guidelines suggest higher amounts of fruit, vegetables, nuts, and fish in the diet to reduce cardiovascular disease risk.

Few people at risk for heart disease understand food labels

A study of 200 Irish adults found that many struggle to understand food labels, particularly men and those at risk for cardiovascular disease. The survey revealed gaps in consumers' use and interpretation of nutritional information, highlighting the need for improved public education and enhanced labeling.

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.

The sugar wars: Rhetoric or reason?

Researchers argue that sugar is not responsible for obesity and metabolic diseases, citing evidence from multiple domains. Experts also highlight the importance of physical activity in determining metabolic health. The debate raises questions about the role of sugar in modern diets and whether restrictive recommendations are effective.

Finding the sweet spot of a good night's sleep: Not too long and not too short

A recent study published by the European Society of Cardiology found that sleeping six to eight hours a night is most beneficial for heart health. The research, which analyzed data from over one million adults, suggests that both short and long sleepers have an increased risk of developing coronary artery disease or stroke.

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.

New scientific study: no safe level of alcohol

A new scientific study reveals that there is no safe level of drinking alcohol, with nearly 3 million deaths globally attributed to alcohol use in 2016. The study finds massive health risks associated with alcohol consumption, including premature death, cancer, and cardiovascular problems.

Air pollution leads to cardiovascular diseases

A study published in European Heart Journal reveals that air pollution is a significant contributor to cardiovascular diseases, with particulate matter playing a key role. The review article highlights the importance of reducing emissions from traffic, industry, and agriculture to mitigate the negative effects on vascular function.

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.

Older adults who get physical can lower their heart disease risk

A recent study published in the Journal of the American Heart Association found that older adults who spend less time sitting and more time engaged in light to vigorous physical activity benefit from healthier levels of heart and vessel disease markers. The results showed that increased physical activity was particularly beneficial for...

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.

Key to artery health lies in LYVE-1 macrophage

A team of researchers found that LYVE-1 macrophages protect arteries from becoming stiff by interacting with smooth muscle cells and reducing collagen production. The protein is responsible for binding to hyaluronan, facilitating the degradation of collagen.

Diabetic-level glucose spikes seen in healthy people, Stanford study finds

A new Stanford study finds that healthy individuals often experience significant fluctuations in blood sugar levels, similar to those seen in people with diabetes. The researchers used continuous glucose monitoring devices to track participants' glucose levels over two weeks and identified distinct 'glucotypes' based on spike intensity.

News from the Journal of Lipid Research

Lysosomal phospholipase A2, a unique enzyme, interacts with various substrates and modifies phospholipids. Researchers identified Asp13 as a crucial catalytic residue contributing to the enzyme's properties. In contrast, a study on chronic kidney disease found no strong correlation between HDL protein content and cardiovascular risk.

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.

Researchers explore popular food trends in nutritional review

Legumes have been shown to successfully reduce coronary heart disease and improve blood glucose levels. Additionally, moderate coffee consumption is associated with lower risks of all-cause and cardiovascular mortality. A predominantly plant-based diet with limited animal products appears to be beneficial for heart health.