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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

Being overweight may be linked to better survival from stroke

Researchers found that people who were severely obese were 62 percent less likely to die after a stroke, compared to those of normal weight. The study also discovered that being overweight or obese may have a nutritional reserve that helps them survive during prolonged illness.

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.

Lesbian and bi women at increased risk of being overweight

New research from the University of East Anglia found that lesbian and bisexual women are more likely to be overweight or obese compared to heterosexual women. Gay men, on the other hand, are less likely to be overweight but at risk of being underweight, which is linked to various health problems.

Researchers identify early home and family factors that contribute to obesity

A 21-year longitudinal study found that family stress, maternal depression, and lack of active stimulation are significant risk factors for childhood obesity. The study, published in Childhood Obesity, identified four BMI trajectories through childhood, highlighting the importance of early intervention strategies.

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.

Body size may influence women's lifespan more than it does men's

Research published in the Journal of Epidemiology & Community Health found that body size-height and weight may have a greater impact on women's lifespan. Additionally, daily physical activity was associated with the best chance of reaching 90 for women, with an optimal threshold of around 60 minutes a day.

Study: Excessive body fat around the middle linked to smaller brain size

A large-scale study published in Neurology found a significant link between excessive body fat around the middle and reduced brain volume, specifically lower gray matter volumes. Researchers measured BMI, waist-to-hip ratio, and overall body fat in 9,652 participants and found those with higher ratios had lower brain volume.

No compelling evidence for health benefits of non-sugar sweeteners

A comprehensive review of 56 studies found no statistically significant differences in health outcomes between those consuming non-sugar sweeteners and those not consuming them. Non-sugar sweeteners were associated with slightly less weight gain, but the evidence was low-quality.

Apple iPhone 17 Pro

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

School-based nutritional programs reduce student obesity

A new study led by Yale University finds that school-based nutritional programs limit increases in body mass index (BMI) among middle school students. Students in schools with enhanced nutrition policies and programs reported healthier behaviors and had lower BMI trajectories compared to those without such support.

BMI is a good measure of health after all, new study finds

A new study from the University of Bristol found that higher total fat and trunk fat at age 10 and 18 were associated with damaging levels of cardiometabolic traits. Higher BMI showed similar effects as higher total and trunk fat, reflecting close overlap between these measures.

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.

Duration of infertility in men may affect sperm count

A study of 1644 infertile men found that longer durations of infertility were associated with lower sperm counts and impaired sperm parameters. Older age and higher body mass index were also linked to prolonged infertility.

Moms matter, dads don't... when it comes to children's weight

A Norwegian study of over 4400 children and parents found that moms' weight loss has a significant impact on their children's body mass index (BMI), particularly in families with higher education. In contrast, dads' lifestyle changes show little correlation with children's BMI.

Celestron NexStar 8SE Computerized Telescope

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

Study finds that in treating obesity, one size does not fit all

Researchers found four groups of patients with unique characteristics, including disordered eating behaviors and varying levels of glucose in their blood. The study suggests personalized approaches to treating obesity may be more effective, as one-size-fits-all treatments may not work for all individuals.

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.

Body mass index associated with deaths from most causes

Research suggests a BMI of 21-25kg/m2 is associated with the lowest risk of dying from cancer and heart disease. The study found that underweight individuals were more likely to die from various causes, including cardiovascular disease, respiratory disease, and dementia.

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.

Gastric bypass surgery associated with greater weight loss in adults

Adults with severe obesity experienced greater initial and sustained weight loss with gastric bypass surgery compared to sleeve gastrectomy or adjustable gastric banding. The study, involving over 46,000 patients, found that gastric bypass led to a 19-pound weight loss difference at 5 years.

Does obesity have an impact on kidney transplant outcomes?

A new study published in American Society of Nephrology found that ideal BMI (18-25) recipients had the best organ survival rates, while there was no difference in patient survival across different BMI groups. Obesity may not be a significant barrier to kidney transplantation for obese patients.

Study of 500,000 people clarifies the risks of obesity

A new study using genetic-based approach reveals that being overweight increases the risk of death from all causes, including cardiovascular diseases and various cancers. The study found that even within the normal weight range, a lower body mass index is associated with improved survival rates.

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.

Gut microbiota of infants predicts obesity in children

A recent study suggests that infant gut microbiota composition at 2 years of life is associated with body mass index (BMI) at age 12. The researchers found a stronger relationship between gut microbiota taxa and BMI z-scores as the kids got older, indicating that gut microbiota may be an early warning sign for detecting obesity.

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.

The metabolome: A way to measure obesity and health beyond BMI

A recent study uses metabolome analysis to identify a link between metabolite changes and weight, revealing that genetics don't correlate closely with obesity. The research suggests new ways to measure obesity and health risks beyond traditional BMI measures.

Study shows diet and weight may affect response to bipolar disorder treatment

A clinical trial suggests that individuals with bipolar disorder who have a high-quality diet, low BMI, or anti-inflammatory properties may respond better to nutraceutical treatment. The study found statistically significant results but emphasizes the need for replication in larger trials before firm conclusions can be drawn.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

How has children's body image changed over time?

The nationwide Chinese survey found that childhood overweight/obesity prevalence increased to 16.8% and children underestimated their weight status at the start of the study by 49%. Children with a higher body image had lower increases in BMI over time.

A simple measurement of abdominal obesity

A simple measurement of abdominal obesity index (ABOI) has been developed to determine central obesity, focusing on abdominal fat content rather than total body weight or shape. ABOI can be calculated by measuring abdominal circumference and chest circumference, providing a more accurate assessment of abdominal obesity.

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.

Evidence that increased BMI causes lower mental wellbeing

A study published in the BMJ found a consistent causal effect of higher BMI on lower mental wellbeing. The researchers used Mendelian randomization to rule out other factors and found that individuals with higher BMI were less happy and satisfied with their lives.

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.

The link between obesity, the brain, and genetics

New research at McGill University found that people with higher BMI tend to have reduced cognitive flexibility, increased volume in the left amygdala and decreased volume in certain memory structures. The study suggests a model where genetics play a role in obesity through brain anatomy and cognitive functions.

Cedars-Sinai investigators develop more accurate measure of body fat

Researchers at Cedars-Sinai Medical Center have developed a simpler and more accurate method to estimate body fat percentage than the widely used BMI. The new relative fat mass index (RFM) formula uses only height and waist circumference measurements, providing a better measure of body fatness without requiring expensive equipment.

As body mass index increases, blood pressure may as well

A large-scale study found a positive association between body mass index and blood pressure, with a mean increase of 0.8-1.7 mm Hg per unit increase in BMI. The study's findings have implications for China's high blood pressure crisis and suggest the need for earlier and more frequent use of antihypertensive drugs.

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.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Being overweight may change young adults' heart structure, function

Research suggests that higher body mass index (BMI) can cause changes in the heart's structure and function in young adults, including thicker vessel walls and increased blood pressure. The study used genetic analysis to uncover evidence of a causal link between BMI and cardiovascular measurements.

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.

Pre-delivery risk factors associated with C-section infections

A study of 90 C-section deliveries found that prior C-sections, smoking, illicit drug use, and higher BMI increased the likelihood of developing a C-section infection. The majority of infections were caused by common commensal organisms like Staphylococcus species and Escherichia coli.

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.