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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

Research shows that time invested in practicing pays off for young musicians

A Harvard-based study found that children who studied a musical instrument for at least three years outperformed those with no instrumental training on tests of verbal ability, visual pattern completion, auditory discrimination, and finger dexterity. The longer the child practiced, the better they scored in these areas.

Asthma monitoring on the Web

Researchers at Texas Instruments have developed a low-cost, portable spirometer using microelectromechanical system (MEMS) technology. The device can measure airflow and volume in a patient's lungs and is ideal for remote monitoring by healthcare workers.

Moon water discovered: Dampens Moon-formation theory

A new study suggests that water on the Moon's surface came from volcanic eruptions over 3 billion years ago, rather than vaporization during its formation. Researchers used advanced techniques to detect tiny amounts of water in lunar samples, revealing a significant amount of water in glass beads.

Early earthquake warning: New tools show promise

Researchers detected minute geological changes that preceded small earthquakes along California's San Andreas Fault by up to 10 hours using new instruments. The findings suggest a fundamentally different approach to current earthquake warning systems.

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.

Study outlines tools to assess facial plastic surgery outcomes

A comprehensive review of facial plastic surgery outcome measures identified 68 instruments, including patient-reported and clinical efficacy measures. The study found that most patient-reported measures were developed in the past decade and had varying levels of validation rigor.

What's in your soil?

The new monograph Methods of Soil Analysis. Part 5. Mineralogical Methods presents valuable methodologies for analyzing soil minerals, including atomic force microscopy and X-ray absorption spectroscopy. These methods have applications in soil classification, environmental remediation, and nutrient cycling.

Toll charges reduce travel time

A simulation model predicts optimal toll charges to minimize travel time and maximize revenues while reducing traffic jams. The model considers factors such as traveler flexibility and preferences, providing policy makers with a quicker insight into the outcomes of policy measures.

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.

Tiny spectrometer offers precision laser calibration

A tiny spectrometer has been designed and demonstrated at NIST, offering precision laser calibration for atomic physics research. The device could replace table-top-sized instruments and improve instrumentation used to measure length, chemicals, or atmospheric gases.

Oxford review of economic policy

The article highlights the need for effective regulation in markets, arguing that traditional command-and-control approaches are often ineffective. Dieter Helm suggests that market-based instruments like environmental taxes and trade permits can be more efficient and resistant to capture by vested interests.

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.

Road to AC voltage standard leads to important junction

The National Institute of Standards and Technology has developed a new precision instrument for directly measuring AC voltages, which is expected to improve measurement accuracy by 1,000-fold at low voltages. The instrument uses Josephson junction technology to generate precise AC pulses over a range of audio frequencies.

Tool tackles translucence and other color challenges

A new NIST device, called a goniospectrometer, automatically measures the color of light reflected from a surface as well as its dependence on the directions of illumination and observation. This comprehensive tool provides more complete data on reflection of light from a color surface.

Orchestra pit no danger to hearing

A study by University of Toronto researchers found that orchestra musicians are not at risk of hearing loss in the pit, despite playing for long hours. However, individual practice and measures such as earplugs can still help protect their hearing.

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.

Cracking the nanonewton force barrier

Researchers create device that measures forces as small as tens of nanonewtons and ties those measurements to larger forces based on the kilogram. The instrument achieves accuracy to a few parts in 10,000 and aims to extend its resolution to piconewtons.

NASA satellite instrument warms up global cooling theory

Scientists tested the Iris effect using CERES instrument on TRMM satellite, finding clouds slightly destabilize climate instead of cooling it. The study challenges recent theory proposing clouds cool the Earth and counteract predictions of global warming.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Cassini camera visualizes the invisible during Jupiter flyby

The Cassini spacecraft's Magnetospheric Imaging Instrument (MIMI) has captured the first images of Jupiter's magnetosphere and surrounding particles. These images reveal the presence of a huge nebula enveloping Jupiter, extending out to 13 million miles from the planet.

Tarlike macro-molecules detected in 'stardust'

Researchers have found that most of the interstellar dust particles consist of 3-dimensionally cross-linked organic macro-molecules, called polymeric-heterocyclic-aromates. These molecules have been detected in five impact mass spectrometer samples from NASA's STARDUST spacecraft.

Meta Quest 3 512GB

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

Chandra observes star's corona with unprecedented clarity

The High Energy Transmission Grating Spectrometer has made the most precise measurements ever recorded of a star's corona, revealing new insights into stellar behavior. The instrument's success marks a major milestone for modern astronomy, enabling scientists to study the chemical composition and temperature of the corona with unpreced...

Instrument integration begins on new atmospheric spacecraft

The two-year TIMED mission will focus on the portion of Earth's atmosphere between 60 and 180 kilometers above the surface. The spacecraft will measure temperature, pressure, winds, and chemical composition, gaining a better understanding of the dynamics of this gateway region.

Clouds Foretell Biggest Ozone Hole Ever

Scientists have found that unusually extensive stratospheric clouds over the South Pole contributed to the near-record-size ozone hole in Antarctica. POAM III measurements provide valuable insights into how Earth's ozone layer responds to global temperature changes and decreasing atmospheric chlorine levels.

Apple iPhone 17 Pro

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

NASA, NOAA Team Seeks Secret Of Hurricanes' Power

Researchers are studying the upper levels of hurricanes to understand their mechanics, a shift from traditional middle-altitude observations. This is part of ongoing research to save lives by providing more accurate data on storm intensity and energy exchange.

"Powerful New Tool" For AIDS Is Reported In Science

A novel diagnostic technique uses isotope mass spectrometry to measure T cell proliferation rates in AIDS patients, allowing physicians to establish the proper time for medication and optimal treatment. The technology holds promise for optimizing AIDS therapy and diagnosing other conditions.

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.

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.

New Simulator Technology To Give Surgeons 'Feel' Of Really Operating

Researchers at the University of Washington have developed technology to measure forces and torques in surgical procedures, enabling the creation of more realistic simulators. These enhanced simulators could drastically reduce training time and costs while improving performance.

Sensors To Measure Tsunamis In Real Time

Researchers at Cornell University have developed a network of instruments to predict and track tsunamis in real-time. The sensors will be placed on the ocean floor in strategic parts of the Pacific rim, including south of the Aleutian Islands chain and along coastal areas of Asia.

Eddies And Echoes To Thwart Smugglers

Researchers at Pacific Northwest National Laboratory have developed two portable detection systems that can identify strategic metals used to make nuclear weapons. The Material Identification System uses eddy current technology to detect metals, while the Ultrasonic Pulse Echo instrument uses ultrasound to characterize container contents.

Uneven Slip On Hayward Fault Provides Mystery In California

The Hayward Fault's southern end has moved at double the rate of its northern portion, causing rocks to be 'piled up' on one side and stretched on the other. This increased strain suggests a magnitude 6 earthquake could occur in the near future.

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.

Slow Earthquakes Seen As Complex As Regular Earthquakes

Researchers analyze slow earthquake signals at San Andreas Fault, revealing complex picture. The slow process was comparable to that of a regular earthquake, with total displacement across rupture surface of only a few centimeters.

ACE Spacecraft Nears Completion At Applied Physics Laboratory

The ACE spacecraft, a NASA mission to study the nature and origin of energetic particles from the sun and beyond our solar system, is nearing completion at the Johns Hopkins University Applied Physics Laboratory. The spacecraft will provide advance warning of powerful geomagnetic storms that can disrupt power grids and communications o...