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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

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

Health-care inequities underscore racial disparities in prostate cancer

African-American men face significant barriers to timely diagnosis and screening due to constrained healthcare access, distrust of physicians, and socioeconomic disadvantages. The study reveals that knowledge about prostate cancer is comparable to that of white men, but lack of trust in medical care leads to irregular interactions and ...

Doctors test effort that helps people understand health risk information

A study published in the Annals of Internal Medicine found that a primer, developed by researchers at Dartmouth Medical School, improved medical interpretation skills among participants with varying levels of education. The primer, 'Know Your Chances: Understanding Health Risks,' was effective in both low and high socioeconomic groups,...

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.

Children's sleep problems can lead to school problems

A new study reveals that African-American and poor children are more vulnerable to the effects of sleep disruption on their cognitive function, with poorer performance on school-related tests. The study suggests that health-related disparities between different groups of American children have important consequences.

Poor people in well-to-do neighborhoods face higher death rates

A new study by Stanford University School of Medicine researchers found that poor people living in well-to-do neighborhoods have a higher risk of death. The study, which analyzed data from 8,200 men and women over 17 years, suggests that economic strain and limited access to healthcare may be contributing factors.

Huge unmet need for Caesarean sections in developing countries

A study found that caesarean rates vary substantially between and within countries, with some populations having little or no access to surgical delivery. The researchers estimate that 80,000 births had an unmet need for surgical delivery, representing 15% of global maternal deaths in 2000.

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Your outlook in life is forged in childhood

A new study found a correlation between childhood socioeconomic status and adult pessimism, with high SES individuals exhibiting more optimism. Children from low SES backgrounds who experience upward mobility may not develop adaptive coping strategies, limiting their ability to benefit from later success.

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Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Disparities among children with juvenile rheumatoid arthritis

A study of 295 children with JRA found that Medicaid recipients had higher disease activity, more pain, and lower physical function compared to those with private insurance. The reasons for these disparities are not yet clear, but may be linked to non-treatment-related factors such as poverty and adherence to treatment.

Americans less healthy than English

A study comparing health outcomes in US and English citizens reveals that Americans are much sicker than their English counterparts. The SES-health gradient appears equally strong in both self-reports and biological measures of health.

Poverty trumps race to explain poor prostate cancer outcomes

A study of 61,228 men aged 65 and older with local or regional stage prostate cancer found that lower socioeconomic status was significantly associated with decreased survival. Socioeconomic factors, including education level and community poverty, were the primary drivers of disparities in survival.

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Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Bariatric surgical procedures increase substantially

The number of bariatric surgical procedures in the US has increased substantially, with gastric bypass accounting for over 80% of all procedures. Length of stay decreased, but sociodemographic disparities persist, highlighting the need for equal access to bariatric surgery regardless of sex and socioeconomic status.

Adult socioeconomic position and health of twins

Identical twins who differed in social class had significantly higher blood pressure and LDL cholesterol levels compared to their professional counterparts. In contrast, educational attainment differences did not impact health status. This study provides insight into the additional effect of adult experiences on adult health.

Even in Canada's universal health plan, wealth effects hospitalization

A study in Manitoba found a socioeconomic gradient in healthcare utilization, with low-income areas experiencing more hospitalizations and ambulatory visits. This challenges the assumption that frequent outpatient care for Ambulatory Care Sensitive conditions leads to lower hospitalization rates.

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Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Low socioeconomic status is a risk factor for mental illness

A study published by the American Psychological Association found that individuals with low socioeconomic status are at a higher risk of developing mental illness. The study suggests that economic stress, unemployment, and housing insecurity contribute to this increased risk.

Mentally demanding jobs may protect against Alzheimer's disease

Research suggests that mentally demanding jobs may protect against Alzheimer's disease by increasing brain cell activity and maintaining cognitive reserve. However, the exact link between job demands and Alzheimer's is not fully understood, and other factors such as socioeconomic status and environmental exposures may also play a role.

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Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Lifesaving potential of mammograms lost due to underuse

A study found that only 6% of women received ten mammograms, and disparities in usage were seen among Hispanic, African-American, and Asian women as well as those from lower economic status. Regular mammograms significantly reduce breast cancer death risk, highlighting the need for improved screening adherence.

Low-income Native American women suffer high rates of domestic abuse

A recent study found that low-income Native American women experience alarmingly high rates of domestic abuse, with over half reporting assault by a partner in their lifetime. The research highlights the need for targeted programs and services to address these disparities and prevent further harm.

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

Parents' income, education influence teen smoking

A recent US study found that parents' income and education significantly influence their teenager's likelihood of smoking. Adolescents from lower-income families, with less-educated parents, face a higher risk of smoking. The study suggests that tailoring smoking cessation programs for adults with low incomes or educational levels coul...

Bedwetting may be linked to social status

A recent study published in the Journal of Developmental and Behavioral Pediatrics suggests that bedwetting may be associated with low socioeconomic status in children. The research found that almost 39% of children with bedwetting problems came from low socioeconomic backgrounds, compared to 23% of non-bedwetters.

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.

Rich, poor, the wait is the same

A study by Shortt and Shaw found no correlation between socioeconomic status and waiting times for elective surgical procedures. The authors suggest that health reforms should track trends in service delivery to vulnerable groups, highlighting the need for equity in healthcare.

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.

Impact of tuition fee increases on medical students

A study by Jeff Kwong and colleagues found that tuition fee increases in Ontario are disproportionately affecting lower-income students, with fewer from these backgrounds enrolling in medical school. The researchers also noted that first-year Ontario students expect higher debt loads at graduation than their peers in other provinces.

Is medical school only for the rich?

A study found that Canadian medical students are more likely to be from visible minorities, but underrepresented from certain minority groups like black and Aboriginal. Medical students also tend to come from higher socioeconomic backgrounds and less rural areas compared to the general Canadian population.

Maternal feeding practices are linked to childhood obesity

Research by Spruijt-Metz et al. found that maternal feeding practices are a strong predictor of childhood obesity, with controlling feeding strategies potentially interfering with children's ability to self-regulate their food intake. The study suggests that future obesity prevention efforts should focus on improving parental feeding b...

Race influences outcome of liver transplants, according to Hopkins study

A Hopkins-led study found that African Americans and Asians have poorer graft rejection and survival rates after liver transplantation compared to white Americans and Hispanics. The study's lead author suggests that more research is needed to determine the causes of these disparities, with preliminary data suggesting socioeconomic fact...

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.

Women with higher education have less risk of heart disease

A new study published in Psychosomatic Medicine found that women with higher educational attainment have less calcification of the arteries, indicating a lower risk of developing heart disease. The analysis of 308 postmenopausal women revealed an inverse linear trend between calcium deposits and education level.

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.

Socioeconomic Status Linked To Enlarged Hearts, Heart Disease Risk

Children from lower socioeconomic backgrounds exhibit greater cardiovascular responses to stress, leading to larger left ventricles and increased heart disease risk. The study found differing pathways for African American and white children and adolescents, highlighting the need for tailored interventions.

Health And Wealth: Women Are Different…Or Are They?

A recent study by Peggy McDonough and colleagues found no difference in the effects of men's and women's socioeconomic status on mortality risk. However, they discovered a new wrinkle: increasing one spouse's income affects the other's mortality risk differently for men and women.

New Study Casts Doubt On 'Bell Curve' Theories

A new study published in Social Science Research found that cognitive ability does not create growing differences among socioeconomic classes in the United States. Instead, educational attainment is the key variable in the American class system.