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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

Sex and all-cause mortality in the US, 1999 to 2019

A cohort study of 47,000 adults found that males had a 63% greater risk of all-cause mortality compared to females after adjusting for demographic and behavioral factors. The study suggests intrinsic biological factors, such as sex hormones or immune response, may contribute to these sex differences in mortality.

New study may offer hope to women suffering menopausal hot flashes, night sweats

A new study from the University of Victoria found that higher insulin levels at age 47 predicted younger onsets of hot flashes and night sweats. Insulin may be a stronger predictor of hot flashes when taking other metabolic variables into account, while body mass index (BMI) appeared more closely associated with estrogen level changes.

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.

Female athlete health, well-being focus of updated report

A new consensus statement provides evidence-based guidance for screening, diagnosis, treatment, and return-to-play protocols for female athletes. The updated report includes a first-of-its-kind adolescent model of the Female Athlete Triad, addressing energy deficiency in growing adolescents.

Fluke 87V Industrial Digital Multimeter

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

Why this little-known birth control option deserves more attention

A new study found that only a quarter of reproductive health experts prescribe self-administered injectable contraceptives, despite its safety and effectiveness. The study identified barriers such as concerns about patient ability, medication availability, and lack of standardized counseling approaches.

Do hormones explain why women experience more gut pain?

Estrogen activates previously unknown pathways in the colon, triggering pain and increasing sensitivity to certain foods. This explains why women are more likely to suffer from IBS and provides potential new ways to treat the condition.

Apple iPhone 17 Pro

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

An ‘illuminating’ design sheds light on cholesterol

A team of researchers at the University of Pennsylvania has designed a new light-controlled cholesterol molecule that selectively targets two poorly understood sterol transport proteins, ORP1 and ORP2. This breakthrough enables precise spatiotemporal control over cholesterol's biological activity, paving the way for advanced therapeutics.

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 a fish knows when to blend in

Researchers have identified the cells and connections underlying a fish's ability to dynamically change color to match its surroundings. The study found that specialized skin cells called melanophores control the color change, which helps the zebrafish evade predators by lightening its skin over tens of minutes.

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.

Study sheds new light on how hormones influence decision-making and learning

A recent study published in Nature Neuroscience has made significant breakthroughs in understanding how hormones like estrogen impact brain function, particularly in learning and decision-making. The research found that estrogen boosts dopamine activity, leading to enhanced learning capabilities and a potential connection to neuropsych...

Hunger influences the behaviour of female mice towards pups

A study published in Nature found that hunger can trigger aggression in female mice towards pups, especially when their reproductive cycle is in a certain stage. The researchers discovered that hunger information from the hypothalamus affects the brain's medial preoptic area, stimulating pup-directed aggression.

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.

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.

Study uncovers biological clues about daytime sleepiness

Researchers at Mass General Brigham identified seven metabolites in the blood associated with excessive daytime sleepiness (EDS), a condition linked to increased risk of cardiovascular disease, obesity, and diabetes. The study also found that dietary changes or supplements may help reduce EDS risk.

Why oxytocin treatments for social behavior are inconsistent

A study by Steve Chang explores how oxytocin influences brain activity to shape social behavior in rhesus monkeys. The researchers found that oxytocin increased activity in the basolateral amygdala and anterior cingulate cortex when monkeys were socially motivated, maintaining beneficial decisions and social task behavior.

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.

Implant treats Type 1 diabetes by oxygenating insulin-producing cells

Researchers at Cornell University developed an implant system that can treat Type 1 diabetes by supplying extra oxygen to densely packed insulin-secreting cells, enabling long-term treatment for chronic diseases. The system could also potentially provide treatment for other autoimmune diseases.

Brain might become target of new type 1 diabetes treatments

A new analysis published in The Journal of Clinical Investigation reveals how leptin affects the brain and its potential use in future therapeutics for type 1 diabetes. Leptin helps regulate appetite and body weight, and insufficient levels lead the brain to activate circuits that mobilize energy sources, including glucose and ketones.

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.

Consuming certain sweeteners may increase risk of early puberty

A study found that consuming aspartame, sucralose, glycyrrhizin and added sugars may increase the risk of early puberty in children, especially those with genetic traits. This association was strongest for central precocious puberty, a condition linked to emotional distress and metabolic disorders.

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.

Lonely adults may have a higher risk of diabetes

A study presented at the Endocrine Society's annual meeting found that socially isolated older adults are 34% more likely to have diabetes and 75% more likely to have poor blood sugar control. Social isolation is being recognized as a critical social determinant of health, highlighting its importance in caring for older patients.

Thyroid treatment may improve gut health in people with hypothyroidism

Research suggests that thyroid hormone treatment can improve gut health in individuals with hypothyroidism, particularly those with autoimmune thyroiditis. The study found a higher prevalence of SIBO in people with hypothyroidism compared to controls, which was mitigated by thyroid medication.

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.

Coral calcification benefits from human hormone injections

A new technique allows scientists to inject molecules into coral tissues, revealing thyroxine's positive effect on calcification. The study raises questions about the evolution of animal physiology and how corals utilize thyroxine in their natural habitat.

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.

Research shows how hormone can reverse fatty liver disease

Researchers at the University of Oklahoma discovered that FGF21 can reverse fatty liver disease in mice by sending signals to both the brain and liver. The study provides valuable insight into the mechanism of action of FGF21, a target for a new class of highly anticipated drugs.

Meta Quest 3 512GB

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

Antibiotics taken during infancy linked to early puberty in girls

Research suggests that antibiotics taken during infancy, especially in the first three months, may lead to earlier onset of puberty in girls. The study, which analyzed data on over 322,000 children in South Korea, found a significant association between early antibiotic exposure and increased risk of central precocious puberty.

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.