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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

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.

Biomarkers found for postmenopausal cardiovascular disease

Researchers have discovered two novel biomarkers for stroke and coronary heart disease in postmenopausal women. Beta-2 microglobulin levels were significantly elevated in CHD patients, while insulin-like growth factor binding protein 4 was strongly associated with stroke risk.

Seeing the forest and the trees reveals heart problems

Researchers developed a system using Random Forests, Logistic Model Tree, and Neural Network to diagnose heart problems with high accuracy. The study used publicly available heart rate data and achieved a classification accuracy of 98.17%.

Overcoming childhood obesity means addressing mom's weight issues as well

The STOP Obesity Alliance Task Force on Women highlights four critical factors hindering women's efforts to combat childhood obesity: socioeconomic challenges, lack of access to healthcare, limited education and awareness, and societal pressure. By addressing these obstacles, the Alliance aims to promote healthier lifestyles and reduce...

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.

Obstructive sleep apnea linked with later risk of heart disease

Research from the Sleep Heart Health Study found that severe obstructive sleep apnea raised the risk of heart failure and coronary heart disease in men. Men with the most severe OSA faced a 58% higher risk of developing heart failure and a 68% higher risk of developing coronary heart disease compared to those without OSA.

New tool to rule out coronary heart disease in primary care

A new clinical decision rule called the Primary Care CHD Score can help primary care physicians rule out coronary heart disease in chest pain patients. The score is based on five predictors, including age/gender and known clinical vascular disease.

Giving birth many times linked to increased risk of heart disease

Research on Palestinian women who have given birth multiple times found a significant association between parity and increased risk of metabolic syndrome, obesity, and high blood triglyceride concentrations. The study suggests that any of these factors alone or in combination can increase the incidence of coronary heart disease.

Apple iPhone 17 Pro

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

Higher testosterone may raise risk of heart disease in elderly men

A large US multicenter study suggests that older men with higher testosterone levels are more likely to have a heart attack or other cardiovascular disease. Higher total testosterone levels relate to an increased risk of coronary disease, particularly in those above 495 ng/dL.

Celestron NexStar 8SE Computerized Telescope

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

Molecular biology provides clues to health benefits of olive oil

A study published in Biomed Central (BMC) Genomics found that high-phenolic-content olive oil modifies genes involved in the inflammatory response, potentially reducing heart disease risk. The researchers tracked gene expression in blood cells after consuming two virgin olive oil-based breakfasts with varying phenolic compound content.

Making 'virtopsies' a reality

A new research project at the University of Leicester aims to develop a reliable and cost-effective system for diagnosing coronary heart disease using CT scans. The technology will enable visualisation of coronary arteries in cadavers, making diagnoses comparable to current autopsy practice.

No heart benefit from omega-3 in women with type 1 diabetes

A study by the University of Pittsburgh Graduate School of Public Health found that consuming higher amounts of omega-3 fatty acids does not lower heart disease risk in women with type 1 diabetes. Men with the same condition had a lower rate of heart disease at higher omega-3 intake levels.

Can too much HDL be harmful to women with type 1 diabetes?

A study found that high HDL levels in women with type 1 diabetes increased the risk of heart disease, while low levels actually decreased risk. The researchers suggest that too much good cholesterol may not always be protective and could even be harmful.

Popular heart drug may be unsafe for some kidney patients

A recent study published in the Journal of the American Society of Nephrology found that dialysis patients taking digoxin had a 28% higher risk of death compared to those not taking the medication. The increased risk was greatest among patients with higher levels of digoxin in their blood.

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.

Certain obese people are not at high risk of heart disease, diabetes

A recent study found that only 6.8% of obese individuals are 'metabolically healthy', meaning they have no history of heart disease or stroke, diabetes, or high blood pressure. These metabolically healthy obese individuals appear to have protection against cardiovascular disease.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

'Fountain of youth' steroids could protect against heart disease

A previously-unknown ion channel in human blood vessels has been identified as a natural defence mechanism against heart disease. Pregnenolone sulphate, a 'fountain of youth' steroid, can trigger this protective effect in diseased and healthy blood vessels alike.

Overtime work is bad for the heart

A long-running study of over 10,000 civil servants in London found that working overtime was associated with a 60% higher risk of heart-related problems. The study, published in the European Heart Journal, controlled for various risk factors and suggested that chronic stress may be a key mechanism behind this association.

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.

High-pressure jobs boost young women's heart disease risk

A large study of female nurses found that high-pressure jobs boost young women's risk of ischemic heart disease. Nurses who experienced work pressures were 25-60% more likely to develop heart disease, depending on the level of pressure.

Biodesign Institute project aimed at earlier diagnosis of diabetes

The Biodesign Institute project seeks to discover and validate molecular signs to predict who will develop diabetes before symptoms appear. By analyzing blood samples from over 700 patients, researchers hope to identify new biomarkers that can identify those at risk for developing diabetes and heart disease.

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.

A better way to predict heart attacks

A new Northwestern University Feinberg School of Medicine study found that combining coronary artery calcium score (CACS) with traditional risk factors for heart disease is a better method than using traditional predictors alone to predict future heart attacks. The CACS was key in classifying people in the most extreme categories, iden...

Measure of calcium in coronary arteries may help predict heart disease risk

A study found that adding calcium in coronary arteries to traditional risk factors improves classification of risk for predicting coronary heart disease events. The researchers used computed tomography to measure the buildup of calcium in plaque on the walls of the arteries, and found significant improvements in risk prediction.

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.

Ethnic groups show different cardiovascular risk profiles

A new study finds that ethnic groups in Ontario have distinct cardiovascular risk profiles, with Chinese having the lowest prevalence of heart disease (3.2%) and South Asians having the highest (5.2%). Smoking and obesity are more prevalent among white populations, while diabetes and hypertension affect South Asians and black populatio...

Secondhand smoke exposure associated with chronic sinus disease

A study of 306 non-smoking patients found that those exposed to secondhand smoke at home, work, and social functions had a higher risk of developing chronic rhinosinusitis. Approximately 40% of cases were attributed to secondhand smoke exposure, highlighting the need for eliminating this public health problem.

Grant to explore link between BPA and heart disease

Researchers will measure BPA levels in over 1,000 people with heart disease undergoing bypass surgery and thousands of individuals from Norfolk studied for over 10 years. The study aims to clarify whether BPA is linked to heart disease, which could impact public health by leading to controls on its use.

Mapping heart disease

A study has identified genes that contribute to heart function and disease, shedding light on the genetic underpinnings of heart disease. The researchers found nearly 500 genes associated with heart problems in flies, including a protein complex called CCR4-Not.

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.

Replacing saturated fat with polyunsaturated fat may cut heart disease risk

A new study by Harvard researchers found that replacing saturated fat with polyunsaturated fat can reduce the risk of coronary heart disease by 19%. Increasing polyunsaturated fat consumption as a replacement for saturated fats may significantly reduce the rate of heart attacks and cardiac deaths in the population.

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.

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.

Secondhand smoke raises risk of hardened arteries among 13-year-olds

A recent study published in the American Heart Association rapid access journal report found that frequent exposure to secondhand smoke among 13-year-olds is associated with increased blood vessel wall thickness and functioning problems. This increases the risk of future blood vessel hardening and other heart disease factors.

Pinpointing immune system disturbances in celiac disease

A new study has identified four key aspects of immune system disturbance that contribute to the development of coeliac disease, including how T cells react to toxic wheat proteins and the body's response to viral infections. The research also suggests a shared risk between coeliac disease and other chronic immune-mediated diseases.

Exploiting the body's own ability to fight a heart attack

Researchers at the University of Rochester Medical Center have created a new way to measure the activity of a molecule involved in ischemic preconditioning, which strengthens cardiac tissues after a heart attack. The discovery could lead to the development of a new medication or treatment to help patients better resist heart damage.

Don't worry, be happy! Positive emotions protect against heart disease

A major new study published in the European Heart Journal found that people who are usually happy and content have a lower risk of heart disease than those who tend to be unhappy. The study suggests that increasing positive emotions may help prevent heart disease, but more clinical trials are needed.

Meta Quest 3 512GB

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

Migraine may be linked to heart disease

A recent study published in Neurology found that people with migraine are at an increased risk of heart attack and other risk factors for heart disease. The study involved 6,102 participants with migraine and 5,243 without, and found that those with migraines were nearly twice as likely to have a heart attack compared to those without.

Fluke 87V Industrial Digital Multimeter

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

Women with gout at greater risk of heart attack than men

A population-based study of over 10,000 participants found that women with gout were 39% more likely to have a heart attack and 41% more likely to experience a non-fatal heart attack. This risk was significantly higher than in men with gout.