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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

Diet is associated with the risk of depression

A healthy diet characterized by vegetables, fruits, berries, whole-grains, poultry, fish and low-fat cheese was associated with a lower prevalence of depressive symptoms. Increased intake of folate from sources like vegetables, fruits, and whole grains was also linked to a decreased risk of depression.

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.

Exercise may reduce the risk of epilepsy later in life for men

Research suggests that vigorous exercise as a young adult can lower the risk of developing epilepsy later in life. Men with high cardiovascular fitness were 36% and 79% less likely to develop epilepsy than those with medium and low fitness levels, respectively.

Apple iPhone 17 Pro

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

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.

Exercising during pregnancy reduces the risk of high birth weight newborns

A study published in the British Journal of Sports Medicine found that moderate-intensity exercise three times a week during pregnancy halves the risk of having a high birth weight newborn, and reduces the need for a caesarean delivery. The intervention group showed a 58% decrease in macrosomia and a 34% decrease in caesarean deliveries.

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.

Suicide risk factors mapped

A landmark study of the Swedish population found depression (32-fold risk for suicide), anxiety (15-fold risk), COPD (3.05-fold risk) and poor social networks to be significant risk factors. The study also showed that unemployment was a stronger social risk factor among women, while being single was a stronger risk factor among men.

Alzheimer's disease drugs linked to reduced risk of heart attacks

A nationwide study in Sweden found that people with Alzheimer's disease taking cholinesterase inhibitors have a 36% lower risk of death, 38% lower risk of heart attack, and 26% lower risk of cardiovascular deaths compared to non-users. Patients on the highest recommended doses had the lowest risk of heart attack or death.

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.

ATS publishes clinical practice guidelines on sleep apnea and driving

The American Thoracic Society has released new clinical practice guidelines on sleep apnea and driving risk, highlighting the significant role of obstructive sleep apnea in daytime sleepiness and crashes. The guidelines recommend assessing patients for sleepy driving and providing treatment to reduce the risk of accidents.

Getting fit in middle age can reduce heart failure risk

A study published in the American Heart Association found that middle-aged individuals who improved their fitness levels reduced their heart failure risk by 20% for every one MET improvement. This research highlights the importance of incorporating regular exercise into mid-life routines to decrease the risk of heart failure.

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.

Job stress, unhealthy lifestyle increase risk of coronary artery disease

A recent study published in the Canadian Medical Association Journal found that people with job stress and an unhealthy lifestyle are at a higher risk of coronary artery disease. The study analyzed data from 7 cohort studies involving 102,128 participants and found that those with job strain had a 10-year incidence rate of 18.4 per 100...

Whole walnuts and their extracted oil improve cardiovascular disease risk

Researchers found that whole walnuts and their extracted oil improve cardiovascular disease risk by favorably affecting vascular health and enhancing the functionality of good cholesterol, HDL. The study suggests that simple dietary changes incorporating walnuts or their oil in a heart-healthy diet may reduce the risk of heart disease.

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.

Treatment by naturopathic doctors shows reduction in cardiovascular risk factors

A randomized controlled trial found that naturopathic lifestyle counselling and enhanced usual care reduced the prevalence of metabolic syndrome and cardiovascular risk score by 17% and 3 percentage points respectively over a year. Naturopathic doctors provided diet and lifestyle advice to patients who lost weight through caloric restr...

Swedish study suggests reduced risk of dementia

A Swedish study published in Neurology suggests a decline in the risk of developing dementia over the past 20 years. The study, which analyzed data from the SNAC-K study on aging and health, found that improvements in cardiovascular disease prevention may have contributed to this decrease.

Are 4 antenatal visits enough?

A reanalysis of the WHOACT data found an increased risk of fetal death for women with reduced antenatal visits, particularly between 32 and 36 weeks. The study suggests that routine antenatal visits may detect asymptomatic conditions earlier, allowing timely intervention.

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.

Tobacco constituent extraction from snus during consumer use

Scientists at British American Tobacco used a multi-analyte approach to determine tobacco constituent exposure in snus users. Generally, less than a third of each constituent was extracted by consumers during use. The findings provide reference data for developing a laboratory system mimicking real-life extraction.

Monounsaturated fats reduce metabolic syndrome risk

A randomized, controlled trial found that consuming monounsaturated fats in vegetable oils like canola oil lowered abdominal fat by 1.6 percent compared to other oil blends. This reduction in belly fat may decrease metabolic syndrome risk factors and heart disease risk.

Hip replacement reduces heart failure, depression and diabetes risk

A new study found that total hip replacement (THR) is associated with reduced mortality, heart failure, depression, and diabetes rates in Medicare patients with osteoarthritis. THR also shows potential long-term benefits in terms of prolonged lifespan and reduced disease burden.

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.

Aspirin may lower melanoma risk

A new study found that women taking aspirin have a reduced risk of developing melanoma, with the longest users showing the lowest risk. Aspirin's anti-inflammatory effects may help protect against this type of skin cancer.

Annals of Internal Medicine tip sheet for March 5, 2013

The American College of Physicians publishes a special supplement on patient safety strategies, featuring articles on reducing cancer risk through colonoscopy screening and increasing colorectal cancer screening adherence via electronic health records. Researchers found that colonoscopy screening reduces late-stage cancer diagnosis by ...

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.

Preparing for climate change-induced weather disasters

Climate change is projected to increase the risk of heat waves, heavy rains, and droughts. Preparing resilient communities with disaster preparations, early warning systems, and well-built infrastructure can help mitigate these impacts.

Smoking bans linked with 'successive reductions' in preterm birth

A study of 606,877 live births in Belgium found that smoking bans led to a reduction in the risk of preterm birth, with decreases evident after each phase of legislation. The findings suggest that smoking bans have public health benefits from early life and support stricter smoke-free policies.

Mini stroke symptoms quickly fade, but patients remain at risk

A study published in Expert Review of Neurotherapeutics found that 10-15% of people experiencing transient ischemic attacks (TIAs) will suffer full strokes within three months. Rapid evaluation and treatment can reduce the risk of subsequent strokes by up to 80%.

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.

Sunlight may help ward off rheumatoid arthritis in women

Regular sunlight exposure is linked to lower risk of developing rheumatoid arthritis in older women due to increased production of vitamin D. However, younger women who cover up with sunscreen may not experience the same protective benefits, according to a large-scale study.

Women with higher carotenoid levels have reduced risk of breast cancer

A pooled analysis of eight cohort studies found that women with higher circulating carotenoid levels had statistically significantly lower breast cancer risk. The inverse association was strongest for estrogen receptor-negative (ER-) breast cancers, highlighting carotenoids as a potential modifiable risk factor.

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.

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.

Can't stop? Smoking less helps

A 40-year study published in the American Journal of Epidemiology found that smokers who reduced their cigarette consumption saw a 15% reduced risk of mortality and a 23% reduced risk of cardiovascular mortality. Formerly heavy smokers had the most to gain from smoking reduction.

Green tea found to reduce rate of some GI cancers

A study led by Vanderbilt University Medical Center researchers found that regular green tea consumption is associated with a reduced risk of digestive system cancers, particularly for stomach/esophagus and colorectal cancers. Women who drank green tea at least three times a week had a 17-21% lower risk compared to non-tea drinkers.

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.

Results of the PC trial presented at TCT 2012

The PC Trial found that catheter-based PFO closure using an investigational device did not decrease ischemic and bleeding events compared to standard medical therapy. Stroke risk was non-significantly reduced with device therapy, with a relative risk reduction of 37 percent.

Meta Quest 3 512GB

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