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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

Tropical Depression 97W passing through central Philippines

TD97W is tracking south-southwesterly through Tabaco City, Ligao, Oas, and Naga City into the Ragay Gulf, bringing rains to Kalibo, Roxas City, and San Jose de Buenavista. The storm's convection has waned, and it is dissipating due to a lack of thunderstorm formation.

Mirinae intensifying while moving away from the northern Marianas

Typhoon Mirinae is intensifying as it moves away from the Northern Marianas Islands and is expected to make landfall in the Philippines by Saturday. The storm's maximum sustained winds have increased to 98 mph, with a developing eye and strong thunderstorm development.

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.

Apple iPhone 17 Pro

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

Luzon expecting a Lupit landfall

Typhoon Lupit is expected to make a brief landfall in northern Luzon, the Philippines on October 22. The storm's eye is forecast to hit around 8 p.m. local time, bringing strong winds and heavy rainfall to the region.

NASA satellite tracking Typhoon Lupit on a march toward the northern Philippines

Typhoon Lupit strengthened quickly from a tropical depression to a typhoon in just 24 hours. The storm's cloud temperatures were colder than minus 63F (-52.78C), indicating strong thunderstorms. Forecasts predict the northern Philippines will feel the first effects of Lupit on October 20, with residents urged to make preparations.

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.

Tropical Storm Nepartak becoming extra-tropical at sea

Tropical Storm Nepartak is transitioning into an extra-tropical storm, developing frontal qualities in the northwestern Pacific Ocean. The storm's circulation will soon fade as it continues to speed northeast, with dry air in the mid-levels of the atmosphere contributing to its transformation.

Do dust particles curb climate change?

Researchers analyzed literature to find that aerosol particles interact with clouds in a complex way, affecting precipitation patterns. They suggest focusing on specific cloud systems and rethinking aerosol research to better understand the dust particles' role in climate change.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

2 NASA satellites capture monster Super Typhoon Melor

Super Typhoon Melor's massive size was captured by NASA satellites on October 5, showing its strong winds and towering clouds. The storm is forecast to weaken as it interacts with cooler waters and a baroclinic boundary, before potentially affecting Tokyo and the surrounding region.

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.

Super Typhoon Melor crossing Guam this weekend

NASA's AIRS instrument captured icy clouds of Super Typhoon Melor, revealing powerful thunderstorms and wind speeds reaching 132mph. Residents are warned of damaging winds extending hundreds of miles from the storm's center.

Marianas on alert: Melor joins the typhoon group

Melor is now a typhoon with sustained winds near 115 knots, tracking northwestward towards Saipan and Rota. The National Weather Service warns of high surf and potential damaging winds for the Northern Marianas Islands.

Slow-moving Marty headed for drier air, cooler waters

Tropical Storm Marty is moving at a slow pace through the Eastern Pacific Ocean with maximum sustained winds near 40 mph. The storm's fate lies in its encounter with cooler waters and drier air, which will weaken it over the weekend.

Typhoon Choi-Wan swinging by Japan on weekend

Typhoon Choi-Wan is expected to bring hurricane-force winds and flooding rains to Japan this weekend. The storm's high thunderstorms have reached the tropopause, resulting in extremely heavy rainfall for the area underneath.

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.

NASA's Aqua satellite catches 2 views of super Typhoon Choi-Wan

The NASA Aqua satellite captured two distinct views of Super Typhoon Choi-Wan, including a visible image with a clear eye and an infrared image showing cold high thunderstorm cloud temperatures. The typhoon has maximum sustained winds near 149 mph, generating extremely high waves.

Fred fades with a satellite exclamation point

NASA's Aqua satellite captured infrared and visible images of Fred's clouds stretching from northeast to southwest after declaring the storm 'dead' on September 12. The remnants of Fred are expected to produce intermittent shower and thunderstorm activity as it moves west-northwestward over the next couple of days.

Tropical Storm Koppu poised for China landfall

Tropical Storm Koppu is expected to make landfall in mainland China on September 15, bringing heavy rainfall, heavy surf conditions, and gusty winds. The storm has sustained winds near 69 mph and is forecast to strengthen slightly before landfall.

NASA microwave image sees eyewall opening in Hurricane Linda

Hurricane Linda is expected to weaken due to cooler waters and wind shear, with a 10% opening in her eyewall revealed by NASA's Aqua satellite. The storm's maximum sustained winds near 85 mph are weakening, and tropical storm force winds extend out 140 miles from the center.

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.

NASA's satellite imagery sees Hilda hit a wall

Hilda's winds have slowed from tropical storm to tropical depression-force, with sustained winds near 34 mph, according to NASA satellite data. The storm is expected to continue tracking south of the Hawaiian Islands before dissipating on August 31.

NASA sees Tropical Storm Danny form, US East Coast on watch

Tropical Storm Danny has formed east of the Bahamas, with NASA's Aqua satellite capturing strengthening thunderstorms in infrared imagery. The storm is expected to bring 2-3 inches of rainfall to the central and northwestern Bahamas, with maximum amounts of 4 inches.

Satellite imagery shows Typhoon Vamco has a huge 45-mile wide eye

Typhoon Vamco boasts an enormous 45-mile-wide eye with cold high thunderstorm cloud temperatures below minus 63 Fahrenheit. The storm is currently in the Northern West Pacific Ocean and will begin changing to an extra-tropical storm, moving into the North Central Pacific Ocean.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

NASA watches as Hurricane Bill sweeps over Bermuda

Hurricane Bill brings heavy rainfall to Bermuda, with NASA satellites capturing detailed data on rainfall, clouds, and winds. The storm is expected to produce total rain accumulations of 1-3 inches over Bermuda and affect the eastern US coast.

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.

2 NASA satellites capture Hurricane Bill's 'baby pictures'

Two NASA satellites captured Hurricane Bill's 'baby pictures' shortly after he became a hurricane, revealing its large size and organized structure. The data showed heavy rainfall bands and high thunderstorms, indicating the storm's increasing power.

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.

Caltech scientists discover storms in the tropics of Titan

Researchers from Caltech have observed a large system of storm clouds on Titan, revealing clouds near the equator for the first time. The discovery has significant implications for understanding the hydrological cycle on Titan and challenges previous speculations about cloud formation in dry regions.

Missing link of cloud formation

A team of researchers from Caltech and University of Copenhagen have discovered a new chemical compound in the atmosphere that may help explain how clouds form over forests. The compound, dihydroxyepoxide, is formed when tree-released hydrocarbons interact with atmospheric compounds, providing a missing link in cloud formation.

NASA satellites catch 2 views of Felicia already affecting Hawaii

Tropical Storm Felicia is expected to weaken as it affects Hawaii, with residents anticipating large ocean swells, gusty winds, and heavy downpours. CloudSat and Aqua satellites captured images of the storm's clouds, revealing temperatures and height, aiding meteorologists in their forecasts.

Celestron NexStar 8SE Computerized Telescope

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

NASA satellite image shows deadly Typhoon Morakot slamming Taiwan

Typhoon Morakot's massive size and powerful winds have brought catastrophic effects to Taiwan, with reports of up to 20 inches of rain in mountainous areas. The storm's landfall is expected to occur on Saturday in mainland China, where it will then move north towards Shanghai.

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.

Consulting with clouds: A clear role in climate change

A new study reveals that low-level stratiform clouds appear to dissipate as the ocean warms, indicating that changes in these clouds may enhance global warming. The research also suggests a critical role for weakening trade winds in reducing cloudiness.

2 NASA satellites see remnant low Dolores go out kicking

Two NASA satellites captured images of the weakening tropical storm Dolores, which has faded into a remnant low pressure area. The storms' winds and clouds were tracked using QuikScat and CloudSat, revealing intense rainfall and towering cloud formations.

AGU journal highlights -- May 29, 2009

Scientists have discovered new ways to measure thundercloud electrostatic fields, study the link between tropical cyclones and global warming, and understand the adhesive properties of lunar dust. Researchers also explored the role of clouds in global electricity and found significant water storage and runoff patterns in the Amazon basin.

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.

CT scan to help scientists diagnose role of clouds in climate

Researchers are using a novel 'cloud tomography' approach to reconstruct three-dimensional cloud structure. The team will use a network of sensors to probe clouds' thermal emission and measure other characteristics, providing insights into the role of clouds in regulating Earth's radiation energy budget.

AGU Journal highlights -- May 6, 2009

Recent studies analyze global warming trends, exploring decadal cooling periods and long-term climate change. Scientists also investigate recent solar radiation changes, finding complex mechanisms behind 'global dimming' and 'brightening.' Analysis of the Dust Bowl's atmospheric circulation reveals potential links to Midwest droughts.

Clouds: Lighter than air but laden with lead

Lead from human activities causes clouds to form at warmer temperatures with less water, altering rain and snow patterns. The presence of lead also changes the distribution and density of clouds, affecting the amount of earth's heat that escapes into space.

Scientists discover pentagonal ice

Researchers discovered a five-sided ice chain structure, building from pentagon-shaped rings, which challenges the commonly seen hexagonal structures of ice formations. This finding could lead to new materials for seeding clouds and causing rain, improving weather modification techniques.

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.

Nimbus and cloud computing meet STAR production demands

Researchers at Brookhaven National Laboratory used Nimbus cloud computing infrastructure to dynamically provision virtual clusters on commercial cloud computers, enabling faster simulation results for the Quark Matter physics conference. The successful collaboration demonstrates the potential of virtualization and cloud computing for r...