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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

Movement brings computer images to life

Researchers have developed a new method called kinetic visualization that uses colored dots and motion to present three-dimensional scientific or medical data. This technique allows computers to display data in a different way, providing shape information and attracting attention to important areas.

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.

Color key to presentation of understandable scientific data

A Penn State cartographer emphasizes the importance of careful color choices in visual representation to reveal relationships and patterns in complex data. An online web tool, ColorBrewer, provides pre-designed color palettes that cater to color blindness and are suitable for various mediums.

eBay auctions: 4 clues to what you'll pay

Researchers studying eBay data identified four trends that explain price fluctuations in online auctions: the weekend effect, picture effect, reputation score effect, and auction length effect. These factors impact final prices of rare coin transactions on eBay.

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.

Chile And China now linked to U.S. universities, scientific centers

China and Chile are now linked to U.S. universities through the STAR TAP global network, enabling high-speed data exchange for international collaborations. The connection enhances China's participation in next-generation Internet research and supports Chile's astronomical projects.

Extra oxygen improves survival odds for climbers on Mount Everest, K2

A University of Washington researcher found that climbers using supplemental oxygen on Mount Everest had a 3% death rate during descent, compared to an 8.3% death rate for those not using oxygen. A similar pattern emerged on K2, where none of the successful climbers who used supplemental oxygen died during descent.

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.

More data needed on waits for health care in Canada

A review of Canada's waiting lists reveals a need for better infrastructure and information about management approaches, contradicting frequently offered solutions. The authors conclude that information defects are often misdiagnosed as financial shortages, leading to forced decision-making.

Earthquake research finds new way to measure slippage deep within the earth

Researchers at Lawrence Berkeley National Laboratory have developed a new way to measure slippage deep within the Earth using tickers, groups of identically repeating tiny earthquakes. By analyzing the timing and intervals between these quakes, scientists can track changes in fault strain associated with larger earthquakes.

Apple iPhone 17 Pro

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

AAPS Workshop To Address Regulatory Issues

The AAPS Workshop on Regulatory Issues Related to Drug Products for Oral Inhalation and Nasal Delivery will focus on quality assurance, CMC data, and bioavailability. The workshop aims to advance science through open exchange of knowledge and contribute to human health through pharmaceutical research.

Should Scientists Become Players In Public Policy Debate?

Mary Jo Nye emphasizes the importance of scientists' involvement in public policy debates to prevent poorly informed decisions. By engaging with the public and fellow scientists, researchers can help ensure that critical issues are addressed through a nuanced understanding of data and technical expertise.

Sandia, Compaq Smash World Record In Large Database Sorting

Sandia National Laboratories and Compaq have developed a system that sorts a terabyte of data in under 50 minutes, three times faster than the previous record. This achievement demonstrates the potential for fast and cost-effective data sorting, which can be used to identify patterns in large datasets.

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.

Clusters, Computers And The Human Brain

A new method for clustering data on computers has been developed by Prof. Eytan Domany, enabling the analysis of vast amounts of information without prior knowledge of its structure or categories. The algorithm mimics human intuition and can automatically identify clusters in various types of data.

"Discovering Biological Diversity" Is AAAS Topic For USGS Manager

The USGS has taken the lead in establishing the National Biological Information Infrastructure (NBII) to increase access to biological diversity data and information. The initiative aims to democratize environmental science by providing a broad array of knowledge on the diversity of nature's living creatures.

Fluke 87V Industrial Digital Multimeter

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

Ice-Comet Debate Continues: Review Of Data Indicates That The Cause Is Noise

A recent review of data suggests that comet impacts on Earth may be random events common to scientific instruments using image intensifiers. Dr. Louis Frank's claims of small comets striking the atmosphere have been challenged by NASA scientist Dr. James Spann, who attributes similar dark smears in images to instrument noise.

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.

Scientists Convene To Discuss Comprehensive Test Ban Treaty

Researchers gather to explore progress and challenges in implementing the Comprehensive Test Ban Treaty's verification regime, covering seismic, infrasound, hydroacoustic, and radionuclear data. The goal is to detect even tiny nuclear events, making it as difficult as possible for them to slip through.

Study: Physician Specialty Influences Heart Attack Survival

A study published in the American Heart Association scientific meeting found that cardiologist care significantly reduces heart attack mortality. The research, led by Dr. James Jollis, analyzed Medicare claims data from 220,535 patients diagnosed with a heart attack in 1992 and discovered that patients cared for by cardiologists had a ...

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.