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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

NASA finds Trami an organized, wide-eyed typhoon

Typhoon Trami displays symmetrical shape and large eye as it approaches Japan's southern islands. Maximum sustained winds reach near 90 knots, forecast to impact Okinawa Island and surrounding areas.

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

NASA-NOAA satellite looks into Typhoon Trami's ragged eye

Typhoon Trami showed a wide and ragged eye with deep convection and developing thunderstorms in NASA-NOAA's Suomi NPP satellite image on Sept. 27, 2018. The storm was located near latitude 22.2 degrees north and longitude 128.6 degrees east, with maximum sustained winds of 90 knots.

Super Typhoon Trami's rainfall examined by NASA/JAXA's GPM satellite

The Global Precipitation Measurement mission provided an analysis of super typhoon Trami's heavy rainfall, including rates of over 120 mm per hour within intense storms. The Joint Typhoon Warning Center used GPM data to evaluate the storm's eyewall replacement cycle and predict its future movement.

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 created rainfall analysis for super Typhoon Mangkhut

NASA used data from Super Typhoon Mangkhut to create a detailed map of the typhoon's rainfall. The analysis revealed heavy precipitation totals, including areas with over 700 mm of rain, and showed the storm's path through the western Pacific Ocean.

NASA sees dangerous Super Typhoon Mangkhut, eyeing the Philippines

NASA's Suomi NPP satellite captures a visible image of Mangkhut, showing a symmetrical storm with a clear eye surrounded by powerful thunderstorms. The Joint Typhoon Warning Center reports maximum sustained winds near 167 mph, forecast to pass over Luzon as a category 5 equivalent typhoon.

NASA satellite analyzes powerful super Typhoon Mangkhut

NASA's Aqua satellite revealed a large eye surrounded by powerful storms in Typhoon Mangkhut, which could generate heavy rainfall due to cloud top temperatures as cold as minus 80F. The storm made landfall along the northeast coast of Luzon, Philippines on Sept. 14, with warnings already in effect.

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

Fluke 87V Industrial Digital Multimeter

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

NASA adds up heavy rains from Typhoon Jebi

Typhoon Jebi's rainfall affected Shikoku and most of Honshu's south central coastal regions, with estimated amounts over a one-week period ranging from 100 mm (~4 inches) or more. The storm caused significant flooding, including at Kansai International Airport near Osaka, resulting in fatalities and injuries.

NASA sees landfall of Tropical Storm Jebi

Tropical Storm Jebi made landfall in southeastern Japan on September 4, with cloud top temperatures as cold as minus 63 degrees Fahrenheit. The storm is transitioning to an extra-tropical system over the Sea of Japan, expanding its wind field.

NASA finds Super Typhoon Jebi undergoing eyewall replacement

NASA's Terra satellite found that Super Typhoon Jebi was undergoing an intense eyewall replacement cycle, with powerful storms surrounding the 15 nautical-mile wide eye. The storm's cloud top temperatures were as cold as minus 80 degrees Fahrenheit, indicating its capability to generate heavy rain.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

NASA sees Typhoon Jebi moving through Northwestern Pacific

Typhoon Jebi, a category 4 hurricane, is expected to strengthen and maintain its strength for one and a half days before weakening on September 1. The storm has a small eye and deepening convection, with warm sea surface temperatures and low vertical wind shear favoring continued intensification.

NASA looks at water vapor in Typhoon Soulik

Typhoon Soulik's highest concentrations of water vapor were found north of the eye, indicating strongest storms. The storm is moving northwest towards South Korea's southeastern coast.

NASA sees a 50 mile wide eye in Typhoon Soulik

Typhoon Soulik's cloud top temperatures were observed by NASA's Aqua satellite, revealing a 50 nautical-mile wide eye with very strong thunderstorms surrounding it. The storm is tracking northwestward at 15 mph and is expected to slowly weaken before making landfall near Seoul, South Korea.

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.

Typhoon Soulik's large eye wide open on NASA satellite imagery

Typhoon Soulik's large eye was observed on NASA's Terra satellite imagery with cloud top temperatures as cold as minus 70 degrees Fahrenheit. The storm had maximum sustained winds near 115 mph and will maintain current strength for two days before weakening over the Korean peninsula.

NASA analyzes Typhoon Soulik's water vapor

Typhoon Soulik has the capability to produce heavy rainfall due to extremely low cloud top temperatures. The Joint Typhoon Warning Center noted on Aug. 17 that Soulik was centered near 23.7 degrees north latitude and had maximum sustained winds near 92 mph.

NASA sees Tropical Storm Rumbia off China's East Coast

Tropical Storm Rumbia was tracked by NASA's Aqua satellite on August 16, showing large storm areas in the northern and southern quadrants. The storm had maximum sustained winds near 40 knots and was forecast to make landfall near Shanghai, prompting a yellow warning from China's National Meteorological Center.

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Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

NASA catches Tropical Depression Leepi nearing landfall

Tropical Depression Leepi was nearing landfall in southern South Korea when NASA-NOAA's Suomi NPP satellite captured its shapeless form. The depression is moving toward the north-northwest with maximum sustained winds at 34.5 mph, expected to be absorbed into a mid-latitude cyclone by Aug. 17.

NASA satellite sees Tropical Depression Rumbia form

Tropical Depression Rumbia formed on Aug 15, with NASA-NOAA's Suomi NPP satellite capturing a visible image of the storm over Japan's southern islands. The depression is moving north-northwest and expected to become a tropical storm before weakening and making landfall near Shanghai, China

NASA sees Tropical Storm Bebinca still near Hainan Island

Tropical Storm Bebinca has been affecting Hainan Island in China for days, with NASA's Suomi NPP satellite capturing its powerful thunderstorms. The storm is currently moving westward through the Gulf of Tonkin, expected to make landfall in Vietnam.

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.

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.

NASA's Terra Satellite finds Shanshan's strength sapped

Tropical Storm Shanshan was observed in infrared light by NASA's Terra satellite, revealing cold cloud top temperatures and limited precipitation in the northern and eastern quadrants. The storm is forecast to weaken rapidly due to increasing vertical wind shear and decreasing sea surface temperatures.

NASA finds Tropical Storm Jongdari now comma shaped

Tropical Storm Jongdari has taken on a distinctive comma shape, suggesting increased organization and intensification potential. The storm's sea surface temperatures are warm enough to support further strengthening.

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 sees Tropical Depression Jongdari stretched out

Tropical Depression Jongdari has been stretched out by wind shear, according to NASA's Aqua satellite image captured on July 30. The storm is expected to re-strengthen into a tropical storm and make landfall near Shanghai on August 2.

Typhoon Wukong opens an Eye to NASA's Terra satellite

Typhoon Wukong developed a clearly visible eye in a NASA Terra satellite image on July 25, 2018. The storm's maximum sustained winds were near 65 knots (75 mph) at the time of observation, and forecasters predict it will quickly weaken as it tracks over cooler waters.

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 examines brightness temperatures of Tropical Cyclone 15W

NASA-NOAA's Suomi NPP satellite observed Tropical Cyclone 15W using brightness temperatures, revealing strong thunderstorms around the low-level center. The typhoon is expected to intensify to 90 knots over three days before weakening and making landfall near Tokyo.

NASA satellite shows Son-Tinh's swan song

Tropical Depression Son-Tinh was located near 21.9 degrees north latitude and 109.0 degrees east longitude, about 181 nautical miles east-northeast of Hanoi, Vietnam. The satellite image captured on July 24 shows the depression's movement towards west, indicating it will dissipate over mainland China in the next day or two.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

NASA finds tropical storm Wukong's comma shape

Tropical Storm Wukong formed on July 22 and took on a distinctive comma shape, characterized by powerful thunderstorms around its low-level center. The storm is expected to strengthen to 60 knots (69 mph) before moving north and turning extra-tropical off the coast of Japan.

NASA finds Tropical Depression 13W hugging southeastern coast

Tropical Depression 13W formed on July 22 and made landfall in southeastern China on July 23, with maximum sustained winds near 25 knots. The storm is forecast to move north along the east coast of China before dissipating west of the Korean peninsula.

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.

NASA spots Typhoon Maria's ragged eyewall replacement

Typhoon Maria's ragged eyewall is a result of eyewall replacement, where the smaller inner eyewall deteriorates and becomes replaced by a larger outer one. The storm is moving northwest towards Taiwan and China, continuing to weaken.

NASA sees a well-organized typhoon Maria

Typhoon Maria appeared as a well-organized storm on July 9, with coldest cloud top temperatures reaching minus 63 degrees Fahrenheit. NASA's predictions indicate the storm will maintain typhoon status and make landfall in southeastern China on July 11.

NASA added up Typhoon Prapiroon's rainfall

Typhoon Prapiroon dropped over 512 mm of rain in some areas, causing mudslides and flooding in South Korea. The heaviest rainfall occurred from June 28 to July 6, 2018, affecting Japan and South Korea.

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Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

NASA-NOAA's Suomi NPP sees Typhoon Maria affecting Guam

Typhoon Maria brought heavy rain to Guam, with the National Weather Service issuing a Flash Flood Watch and Small Craft Advisory. The storm is forecast to continue intensifying over the next 24 hours, posing a threat of excessive rainfall and flash flooding.

NASA finds Prapiroon strengthen into a typhoon

Tropical Cyclone Prapiroon strengthened into a Typhoon after being tracked by NASA-NOAA's Suomi NPP satellite. The storm is currently located near Japan, moving north-northeast at 10.3 mph with maximum sustained winds of 86.3 mph.

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.