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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

Village depopulatiom in southwest reflects successful agriculture

Prehispanic farmers in the southwest US employed ingenious strategies to overcome challenges like limited moisture and short growing seasons, including moving run-off water and using gravel mulch. They were able to extend frost-free periods and grow crops like cotton in marginal areas.

[Mis]understanding village abandonments

Researchers found that Native American communities persisted for long periods, with some lasting over three centuries, due to successful farming practices and social ties. The study challenged the common misconception of village abandonment as a failure of community life.

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.

An origin of new world agriculture in coastal Ecuador

Researchers at the Smithsonian Tropical Research Institute have discovered evidence of early domestication of wild squash varieties in coastal Ecuador dating back to around 12,000 years ago. The phytoliths found in these ancient fruits suggest a significant shift towards more productive agricultural practices among hunter-gatherers.

Talk of the town leads straight to discovery

Archaeologist Walberg uncovers Late Bronze-Age tomb in Bamboula, yielding over 200 artifacts, including a rare jar containing unburnt human bones. The findings also shed light on the presence of dogs in ancient Greek society.

Rainforest researchers hit pay dirt

Researchers have discovered that indigenous inhabitants of the Amazon improved the soil, rather than degrading it. The ability to reproduce this super-fertile soil could enable intensive agriculture in hot regions, making a significant impact on food production.

Apple iPhone 17 Pro

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

Chimpanzee stone tool site excavated

The excavation of a chimpanzee stone tool site in the Ivory Coast reveals new insights into the behavior of our closest living relatives. The site, discovered using archaeological methods, shows that chimpanzees collected rocks from various sources and brought them to nut-cracking sites, creating large refuse accumulations.

Prehistoric human footpaths lure archaeologists back to Costa Rica

Researchers are studying prehistoric human footpaths in Costa Rica, which were visible only through satellite images but invisible to the naked eye. The team hopes to uncover insights into ancient settlements, cultural practices, and potential connections between villages.

Wine-bottle shard provides long-sought proof of old French site

Archaeologists have found a fragment of a French wine bottle made around the time of the American Revolution, confirming the existence of an old French site in Peoria, Illinois. The discovery resolves a decades-long debate over the village's location and sheds light on the life of Louis Chatellereau, a French farmer and fur trader.

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.

Largest fossil cockroach found: Site preserves incredible detail

Geologists at Ohio State University have found a massive 3.5-inch-long cockroach fossil with incredible detail, preserved for millions of years without shell or bones. The ancient site offers insights into the diversity of life and climate changes during the Carboniferous period.

The ancients were right - Delphi was a gas!

A four-year interdisciplinary study has identified young faults at the Oracle site and pinpointed the emissions responsible for the Pythia's trance state as light hydrocarbon gases from bituminous limestone. The study also found ethane, methane, and ethylene in spring water near the Oracle.

Celestron NexStar 8SE Computerized Telescope

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

Archaeologists Identify Oldest Existing Mound Complex In New World

A team of archaeologists has discovered a previously unknown mound complex in Louisiana built between 5,000 and 5,400 years ago. The site, Watson Break, consists of 11 mounds that predate other known complexes by 1,900 years and provide clues about the planned engineering behind their construction.