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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

Larger wine glasses may lead people to drink more

Researchers found that larger wine glasses led to an almost 10% increase in wine sales, with consumers drinking more due to perceived volume changes. The study suggests that avoiding larger wine glasses could reduce consumption, but further research is needed to confirm this effect.

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.

Prevention is key to closing racial disparity gap in stroke

African-Americans are more likely to die of stroke at younger ages, with no disparity observed after age 85. Researchers emphasize the importance of preventing strokes through addressing risk factors like high blood pressure and diabetes in African-American communities.

Shift work unwinds body clocks, leading to more severe strokes

Research by Texas A&M University scientists found that shift workers are more prone to severe ischemic strokes due to disrupted circadian rhythms. Estrogen levels may play a role in protecting women from stroke severity, but men face increased risks, especially after age 50.

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.

Women cooking with biomass fuels more likely to have cataracts

A population-based study of nearly 6,000 people aged 60 and over found that Indian women who cook with biomass fuels were nearly 50% more likely to have visually impairing nuclear cataracts compared to those using clean fuels. The association was stronger for women cooking with longer duration of biomass fuels.

What are the timing and risk factors for suicide attempts in the army?

A new US Army study found that soldiers who never deployed were at greatest risk for suicide attempts, with the highest risk occurring in the second month of service. The study also identified other factors contributing to increased risk, including deployment status, gender, and mental health diagnoses.

Apple iPhone 17 Pro

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

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.

What can help dropouts?

Researchers found that treatment can reduce negative life outcomes for dropouts, such as getting arrested and needing government assistance. The study also identified factors that increase the risk of dropping out, including rejection by classmates in elementary school and becoming a parent at a young age.

Can a healthy lifestyle prevent cancer?

A large proportion of US cancer deaths might be prevented through adopting healthy lifestyles, including quitting smoking and exercising regularly. The study found that individuals who met specific criteria for a healthy lifestyle pattern had a significantly lower risk of developing cancer.

Risk factors identified for readmission to hospital following esophagectomy

A study at Mayo Clinic found that 19% of patients undergoing esophagectomy were readmitted to the hospital, with respiratory and gastrointestinal complications being the most common reasons. Longer operations, ICU admission, and perioperative blood transfusion were identified as risk factors for unplanned readmissions.

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.

Loneliness in midlife

A study of 16,132 participants found that midlife loneliness is associated with low income, health restrictions, and limited social interaction. High income, professional status, and good job security are protective factors against loneliness in this age group.

Unsafe sex is fastest-growing risk for ill health in teens

A new report by The Lancet Commission on Adolescent Health and Wellbeing reveals that unsafe sex has become the fastest-growing risk factor for ill health among young people aged 10-24 years. Guaranteeing access to free quality secondary education is identified as a single best investment to improve adolescent health.

Smoking in pregnancy and overweight may set up social divide in child obesity rates

A recent study published in Archives of Disease in Childhood found that smoking during pregnancy and being overweight before pregnancy are key factors contributing to the social divide in childhood obesity rates. The research analyzed data from over 12,000 children born in the UK between 2000-2002 and found a significant association be...

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.

Pesticide exposure may be ALS risk factor

Research suggests environmental pollutants may increase likelihood of developing amyotrophic lateral sclerosis (ALS), a rapidly progressive motor neuron disease. The study found higher concentrations of pesticides and other toxic chemicals in individuals with ALS, but no strong correlation between occupation and risk.

Influential factors of the social divide in child obesity rates

A study by the University of Liverpool has identified early life factors that significantly influence childhood obesity rates. The research found that mothers who smoked during pregnancy and those with lower educational attainment were more likely to have children who became overweight at age 11. Socioeconomic circumstances, maternal s...

Young women at greater risk for adverse outcomes following PCI

A retrospective study found that young women undergoing PCI for acute coronary syndrome experience higher rates of adverse cardiovascular events and bleeding risks compared to men. The study highlights the importance of objectively assessing all risk factors when prescribing antiplatelet therapy.

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.

Ovary removal may increase the risk of colorectal cancer

A new study suggests that removing the ovaries may increase the risk of colorectal cancer in women. Among 195,973 Swedish women who underwent ovary removal between 1965 and 2011, a 30% higher rate of colorectal cancer was found compared to the general population. The risk was even higher for women who had both ovaries removed.

UK Health Check has only modest impact on risk factors for cardiovascular disease

A new study published in CMAJ found that the UK Health Check program had a modest impact on reducing cardiovascular disease risk factors, with limited success in meeting national and international targets. The program resulted in increased diagnoses of vascular diseases such as hypertension and type 2 diabetes among participants.

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.

Metal hip replacements implanted since 2006 more prone to failure

Research reviewing 434 patients with metal on metal total hip replacements found a revision rate of 16.4%, significantly higher than expected. The study suggests that manufacturing issues, particularly with the taper surface and liner thickness, may be to blame for early failure.

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.

Working longer may lead to a longer life, new OSU research shows

A new study from Oregon State University found that healthy adults who retired one year past age 65 had an 11 percent lower risk of death from all causes, even when taking into account demographic and lifestyle factors. Working a year longer also had a positive impact on the mortality rate for unhealthy retirees.

Time spent working rotating night shift and risk of heart disease

A study of over 189,000 initially healthy women found that working rotating night shifts for 5 years or more was associated with a small increase in coronary heart disease risk. The researchers also discovered waning risk after cessation of shift work and decreased risk among those who quit earlier.

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.

'A fatty liver may result in a broken heart,' according to new research

A large retrospective study found that nonalcoholic fatty liver disease (NAFLD) independently contributes to increased atherosclerosis and cardiovascular mortality. Patients with fatty liver were more likely to develop carotid plaques over time, highlighting the need for thorough cardiovascular and metabolic work-ups in NAFLD patients.

Sleep loss detrimental to blood vessels

Researchers found that sleep loss reduces gene expression involved in cholesterol transport, leading to lower levels of good cholesterol. The study also discovered that sleep-deprived individuals have fewer high-density HDL lipoproteins, which increases the risk of cardiovascular disease.

New genetic risk factors for myopia discovered

Researchers have identified nine new genetic risk factors contributing to myopia, with education levels playing a crucial role. The study suggests that environmental and hereditary factors interact to produce the condition, offering insights into its development and potential treatments.

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.

Non-inflammatory destructive periodontal disease

Non-inflammatory destructive periodontal disease (NIDPD) is a severe destructive periodontal disease marked by generalized gingival recession and periodontal pocket development. The disease's etiology is linked to endogenous opportunistic bacteria, anatomical factors, occlusion pattern, emotional stress, and mouth breathing condition.

Researchers improve identification of women at high risk of pre-eclampsia

A new study identifies several risk factors for pre-eclampsia, including having had pre-eclampsia in a previous pregnancy or chronic hypertension prior to the current pregnancy. The researchers developed a tool using routinely collected clinical information to distinguish women who are unlikely to benefit from aspirin therapy.

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.

How depression may compound risk of type 2 diabetes

Researchers found that depression combined with metabolic risk factors significantly increases the risk of developing type 2 diabetes. The study suggests a vicious cycle where depression and metabolic symptoms exacerbate each other, making integrated treatment crucial for prevention.

Factors associated with good heart health may also protect kidneys

A new study found that achieving ideal cardiovascular health factors, such as healthy blood pressure and cholesterol, is associated with a reduced risk of new-onset kidney disease. The study included 14,832 adults aged 45-64 and followed them for an average of 22 years to develop chronic kidney disease.

Meta Quest 3 512GB

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

Age and gender influence risk for certain peripheral vascular diseases

The study found that women have a significantly higher prevalence of peripheral artery disease, while men have a higher prevalence of carotid artery stenosis and abdominal aortic aneurysms. Diabetes is also identified as a major risk factor for developing PVD, even in patients without heart disease.

Heart attack patients getting younger, more obese

A study of 3,900 patients reveals a decline in age and an increase in obesity rates among those suffering from severe heart attacks. The findings highlight the need for greater emphasis on preventive lifestyle changes to address rising risk factors such as smoking, high blood pressure, and diabetes.

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.

Many women not properly informed of heart risk by their doctors

A recent survey found that nearly three-quarters of women have one or more heart disease risk factors, yet only 16% were informed by their doctors about these risks. The study highlights the need for physicians to adopt prevention guidelines and focus on monitoring blood pressure and cholesterol levels.

Fluke 87V Industrial Digital Multimeter

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

DNA markers link season of birth and allergy risk

Researchers at the University of Southampton discovered specific DNA markers linked to seasonal births and allergic disease. Epigenetic marks present at birth were found to influence gene expression for up to 18 years later.

New role of environment in multiple sclerosis revealed

A study in east London found higher MS prevalence among Black people and South Asians compared to their ancestral countries, suggesting an increased environmental influence on the disease. The researchers propose that exposure to environmental agents or behaviors may facilitate MS development.

No evidence that genetic tests change people's behavior

A study published in The BMJ found that genetic tests providing risk estimates for diseases like lung cancer and heart disease have little to no effect on behavior change. Despite initial hopes, informing individuals of their genetic risk did not prompt them to adopt healthier habits or quit smoking.

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.