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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

Measures of brain connectivity, cognition by sex in children

A neuroimaging study of 8,900 children aged 9-11 reveals sex differences in brain connectivity and cognitive performance. The findings suggest that girls mature faster than boys, which may impact future development of brain developmental trajectory charts.

Trends in screen time use among children during pandemic

A study of 228 children aged 4-12 found elevated screen time during the COVID-19 pandemic persisted even after precautions lifted. The long-term association between increased screen time and children's health needs further investigation.

Apple iPhone 17 Pro

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

Retirement-age workers stick around if businesses keep investing in them

Research finds that older workers who are motivated to grow and develop at work, as well as those in organizations that encourage learning, are more likely to stay. An age-inclusive environment also aids in retention by mitigating age stereotypes and removing barriers for training participation.

Better models show how infectious diseases spread

A new model has integrated two classic approaches to improve disease spread predictions, accounting for age-specific contact patterns and location-specific data. The model outperformed previous approaches in simulation studies and case studies, providing valuable insights into disease prevention and control.

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.

Does the risk of stroke from common risk factors change as people age?

A new study found that risk factors for stroke, such as high blood pressure and diabetes, become less significant with age, while others remain unchanged. Researchers discovered varying risks associated with these factors across different age groups, highlighting the need for tailored approaches to managing stroke risk.

Prevalence of vision impairment in older adults

More than one-quarter of U.S. adults aged 71 and older had vision impairment in 2021, according to a nationally representative survey study. The prevalence of vision impairment was associated with factors such as older age, lower education and income, non-white race, and Hispanic ethnicity.

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.

Trends in homicide rates for US children

A study of 38,000 child homicides from 1999 to 2020 found declining rates in some groups, but recent increases across several subpopulations. The researchers emphasize the need for targeted strategies to address firearm violence and racial disparities.

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.

Ageism, sexism and racism still rife in labor market

A new study by Anglia Ruskin University found significant disparities in job application outcomes based on age, gender, and race. The research revealed that younger candidates were more likely to receive job interviews and higher salaries compared to older workers from diverse backgrounds.

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.

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.

Nicotine addiction, intensity of e-cigarette use by adolescents

A survey study of 151,000 students found that e-cigarette users were more likely to initiate tobacco use within minutes of waking. This increase in intensity and addiction is a concern, emphasizing the need for clinicians to address youth nicotine addiction during clinical encounters.

Variation in HPV vaccination effectiveness by age at vaccination

A recent study published in JAMA Network Open found that human papillomavirus (HPV) vaccination effectiveness differs significantly depending on the age at which it is administered. The researchers analyzed self-reported data from female participants and discovered that HPV vaccination is most effective when administered earlier in life.

Celestron NexStar 8SE Computerized Telescope

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

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.

Risk of suicide after dementia diagnosis

A nationally representative study of 594,000 persons in England found an increased risk of suicide associated with dementia diagnosis before age 65. The study identified younger patients diagnosed within the 3-month post-diagnostic period as high-risk groups for suicidal thoughts and behaviors.

Assessing functional outcomes in survivors of first-time stroke

A cohort study of 4,443 patients with first-time strokes found that early recovery curves and long-term decline patterns varied across functional domains. Clinical factors such as age, sex, and stroke type significantly impacted activities of daily living performance at 60 months.

HPV vaccinations before, during pandemic

Researchers found that HPV vaccination rates rose significantly during the pandemic, particularly among younger children and adolescents. The study suggests that the increased vaccination rates may be attributed to changes in healthcare access and scheduling.

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.

Electronic cigarette use among adults in US

A study of 994,000 US adults found a slight decrease in current e-cigarette use between 2018 and 2020, mainly among young adults aged 18-20. Daily e-cigarette use increased, particularly among those aged 21-24, indicating greater nicotine dependence.

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.

Association between rental assistance programs, hemoglobin A1c levels

Researchers found that federal rental assistance programs are associated with lower HbA1c levels among middle-age and older adults. The study assessed nearly 40,000 participants across the US, revealing a significant correlation between program participation and improved blood sugar control.

Evaluating restrictions on tobacco sales to youth younger than age 21

A survey study of over 12,000 high school students in Cleveland found substantial reductions in tobacco product use and decreased disparities across racial and ethnic groups. The findings support the potential of raising the minimum legal age to purchase tobacco to 21 to achieve equity.

Davis Instruments Vantage Pro2 Weather Station

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

Bodychecking experience does not lower risk of injury for teen hockey players

A new study published in CMAJ found that youth hockey players with more years of bodychecking experience had a significantly higher risk of concussion than those with less experience. The researchers collected data on 941 players aged 15-17 and found that concussion was the most common injury, making up over one-third of all injuries.

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.

Changes in COVID-19 mortality rates by age, race, ethnicity

A recent study found that COVID-19 mortality rates in the United States were significantly higher among younger adults and minority groups compared to older adults and white populations. The research also revealed disparities in mortality rates by sex, with women experiencing lower mortality rates than men.

Age at initiation of endoscopy, colorectal cancer risk among women

Initiation of lower gastrointestinal endoscopy before age 50 among women is associated with a reduced risk of colorectal cancer. Guidelines now recommend that women initiate colorectal cancer screening before age 50 to reduce the risk, including cases diagnosed before age 55.

Alcohol use disorder–related mortality before, during pandemic

The study found a significant increase in US alcohol use disorder-related mortality rates across all age groups and sexes during the COVID-19 pandemic. Researchers used vital statistics data from 2012 to 2019 to project mortality rates for 2020 and 2021, revealing a notable rise in mortality related to alcohol use disorders.

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.

New Chinese Medical Journal study assesses mortality risk in multimorbid patients

A new study published in the Chinese Medical Journal assessed mortality risk in middle-aged and older Chinese individuals with multiple diseases. The study identified four multimorbidity patterns, with cardiometabolic being the most common, and found that individuals with these patterns had a significantly increased mortality risk.