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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

How brick-building bacteria react to toxic chemical in Martian soil

Researchers found that bacteria exposed to perchlorate produce stronger calcium carbonate crystals, leading to better biocementation skills. The presence of guar gum and nickel chloride enhances the process, paving the way for alternative building strategies on Earth and Mars.

Apple iPhone 17 Pro

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

Can yeast survive on Mars?

Researchers found yeast cells can withstand shock waves and toxic perchlorate salts, simulating Martian conditions. The yeast's ability to produce ribonucleoprotein condensates helps protect against stress, making it a model for astrobiology research and potential life support systems in space.

Study quantifies global impact of electricity in dust storms on Mars

Researchers find that electrical discharge in Martian dust storms could be a major driving force of the planet's chlorine cycle. The study reveals high yields of chlorine gases from common chlorides when electrified by Martian conditions, indicating a promising pathway for converting surface chlorides to atmospheric phases.

Fluke 87V Industrial Digital Multimeter

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

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.

Safeguarding our water supply

A novel membrane and chemical reduction process have been patented by University of Delaware researchers to remove perchlorate from drinking water. The technology has shown high efficiency in reducing perchlorate concentrations, making it a potential solution for mitigating human health risks associated with this contaminant.

Mimetic Martian water is under pressure

Researchers analyzed the structure of mimetic Martian water to understand how it could exist on the Martian surface. They found that concentrated perchlorate solutions could survive low temperatures, raising questions about the possibility of life on Mars.

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.

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.

Nano design adjustment may help find, clear some water contaminants

A new approach to locating and removing water contaminants such as perchlorate and nitrates has been discovered. Researchers found that anion-pi interaction, a type of molecular binding, occurs off-center in solid-state structures, which could lead to the development of sensors for anion detection.

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.

New catalyst removes harmful perchlorate from groundwater

Scientists at the University of Illinois have developed a new catalyst that efficiently removes and destroys harmful perchlorate in contaminated groundwater. The catalyst, composed of palladium and rhenium supported on activated carbon, operates at room temperature and can eliminate perchlorate altogether.

Measuring perchlorate levels in lettuce

Researcher Charles Sanchez finds perchlorate in lettuce foliage, mainly in discarded frame and wrapper leaves. The study aims to assess the extent of perchlorate accumulation in soils and groundwater sources.

July 4 fireworks: Why they're brighter than ever

The evolution of fireworks is attributed to advancements in metal fuels, which produce hotter flames and more photons, resulting in brighter colors. Fine-tuning of ingredient percentages has also contributed to the improved display.

New device removes drinking water contaminants

A new device developed by Northwestern University uses a hollow-fiber membrane biofilm reactor to remove perchlorate and nitrate from contaminated water. The system exploits the natural biochemical process of electron transfer, reducing contaminants to harmless substances.

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.

Pittsburgh researcher receives national award

Raman Venkatesh, a chemical engineer from Pittsburgh, has developed a self-contained system called ISEP that removes perchlorate and nitrate from drinking water. The technology is cost-effective, safe, and fits into existing water-treatment plants, improving access to clean drinking water for communities.

Perchlorate found in fertilizers

A study has identified perchlorate in fertilizers, a chemical compound suspected of adverse health effects. The findings suggest that fertilizers could be a source for perchlorate accumulation in the food chain, posing risks to human health and ecosystems.

Penn State Process Removes Rocket Fuel Ingredient From Drinking Water

A microbiological process developed by Penn State researchers can effectively remove perchlorate, a rocket fuel ingredient detected in 14 states, from contaminated drinking water. The process uses naturally occurring bacteria to reduce perchlorate concentrations below the action level.