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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 sees Hurricane Gonzalo head toward Bermuda

Hurricane Gonzalo has intensified into a hurricane, with powerful thunderstorms and heavy rainfall. The storm is forecasted to become a major hurricane and make landfall on the island of Bermuda.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

NASA sees Cyclone Hudhud approaching India's coast

Cyclone Hudhud is forecast to peak near 115 knots before quickly weakening, dissipating over land on Monday. The storm has strengthened in the last day, indicated by cloud top temperatures dropping and stronger thunderstorms developing.

Apple iPhone 17 Pro

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

NASA gathering data on Super Typhoon Vongfong as Japan prepares

NASA's TRMM and Aqua satellites provide forecasters with detailed data on Super Typhoon Vongfong's cloud extent, rainfall rates, and distribution. The storm is expected to slowly weaken as it moves north, passing just east of Okinawa before turning northeast and changing to an extra-tropical cyclone over Japan.

'Superglue' for the atmosphere

Researchers at Goethe University Frankfurt found that dimethylamine can greatly enhance the formation of aerosol particles from sulfuric acid, creating 'neutral molecular cluster' formations. This process could influence Earth's climate by affecting cloud condensation nuclei and precipitation patterns.

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.

Satellite sees Tropical Storm Simon over Baja California

Tropical Storm Simon is weakening over Mexico's Baja California, expected to produce 3-5 inches of rainfall with isolated amounts up to 8 inches. Heavy rainfall could cause flash flooding and mudslides, while winds remain a threat.

NASA eyes Super typhoon Vongfong

Typhoon Vongfong strengthened into a Super typhoon on October 7, with cloud top temperatures indicating high rainfall capabilities. The storm is moving westward, creating massive ocean swells, and forecasters predict it will turn north by October 12.

Tropical Storm Simon says, 'US Southwest is an arm's reach'

Tropical Storm Simon is expected to bring heavy rainfall and rough surf to the western United States, particularly the desert Southwest. The National Hurricane Center forecasts storm total rainfall amounts of 3-6 inches in central and northern Baja California and Sonora, Mexico, with isolated areas reaching up to 9 inches.

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.

Tropical Storm Rachel dwarfed by developing system 90E

Tropical Storm Rachel is spinning down west of Mexico's Baja California, with another tropical low pressure area, System 90E, outgrowing it. The National Hurricane Center predicts that System 90E will intensify into a tropical depression by Wednesday, Oct. 1.

NASA identifies cold cloud tops in Tropical Storm Rachel

Tropical Storm Rachel is strengthening with colder cloud tops and increased thunderstorm heights, indicating reduced wind shear, NASA's Aqua satellite reveals. The storm is expected to go through a short period of strengthening before weakening again, primarily driven by changes in wind patterns.

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

NASA sees Tropical Depression Fung-Wong becoming more frontal

Tropical Depression Fung-Wong is transitioning from a tropical to an extra-tropical storm, gaining frontal characteristics. The depression has strongest thunderstorms stretched out in a cold front-like appearance, according to NASA's Aqua satellite data.

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

NASA sees Tropical Depression Polo winding down

Tropical Depression Polo weakened significantly, with maximum sustained winds decreasing to near 35 mph, and is expected to dissipate by September 26. Swells generated by the storm will subside late on September 22, affecting the southern Baja California peninsula.

NASA catches a weaker Edouard, headed toward Azores

Tropical Storm Edouard is weakening, with maximum sustained winds at near 60 mph, and expected to become post-tropical later on Sept. 19. It will then head east and impact the western Azores Islands over the weekend of Sept. 20-21 before turning south.

NASA sees Tropical Storm playing polo with western Mexico

Tropical Storm Polo is moving northwest towards western Mexico with maximum sustained winds of 70 mph and slow weakening expected. The storm is expected to pass south of the Baja California peninsula on Saturday, but a deviation to the north could bring stronger winds to southern Baja California.

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, NOAA satellites show Odile's remnant romp through southern US

The TRMM satellite detected heavy rainfall rates over 111 mm/h near El Paso, Texas, with thunderstorm tops reaching up to 13 km. The GOES-West infrared image showed a large area of clouds associated with the remnants over New Mexico and Texas, posing a flash flood threat for parts of the region.

NASA HS3 instrument views 2 dimensions of clouds

The NASA HS3 mission is studying the changing profile of the atmosphere to learn more about how hurricanes form and strengthen. The CPL instrument provides a two-dimensional picture of cloud and aerosols, allowing scientists to discriminate between different types of particles and improve hurricane models.

Newborn Tropical Storm Polo gives a NASA satellite a 'cold reception'

Tropical Storm Polo is intensifying with strong thunderstorms and high cloud top temperatures near -63F/-53C, potentially generating heavy rain. The storm's center was located near latitude 12.8 north and longitude 99.4 west, with maximum sustained winds of 40 mph (65 kph) and a predicted strengthening into a hurricane by Thursday.

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.

Tropical Storm Odile taken on by 2 NASA satellites

The TRMM satellite detected powerful thunderstorms near Odile's center, dropping rain at a rate of over 196 mm/h. The combined data from TRMM and Aqua satellites showed the coldest cloud tops in storms circling Odile's center, with temperatures as low as -63F/-53C.

NASA catches birth of Tropical Storm Odile

NASA's Aqua satellite detected Tropical Depression 15-E on September 10, which strengthened into Tropical Storm Odile shortly after. The storm is expected to create swells and rough surf along Mexico's southwestern coast over the next day or two.

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.

NASA catches the end of Tropical Depression 14W

Tropical Depression 14W made landfall in southeastern China on September 8 after forming in the South China Sea. NASA's Aqua satellite captured infrared data showing a powerful storm with cold cloud top temperatures near -63F/-52C.

NASA sees a weaker Tropical Storm Marie

Tropical Storm Marie has weakened significantly due to the presence of cooler waters, with its strongest thunderstorms located in the southern quadrant. The storm's cloud tops have warmed, indicating a decrease in its strength.

Satellites capture the birth and movement of Tropical Storm Cristobal

Tropical Storm Cristobal formed near the southeastern Bahamas on August 24, with NASA's Aqua satellite and NOAA's GOES-East satellites providing imagery of its birth and movement. The storm was expected to produce heavy rainfall over the Turks and Caicos Islands and parts of the southeastern and central Bahamas.

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GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

NASA's infrared data shows newborn Tropical Storm Marie came together

Tropical Storm Marie rapidly formed off Mexico's coast, with powerful thunderstorms stretching towards the troposphere. The storm is expected to intensify rapidly due to warm sea surface temperatures, potentially becoming a hurricane by Monday, August 25. Rapid intensification is predicted due to favorable environmental conditions.

A NASA satellite double-take at Hurricane Lowell

Hurricane Lowell strengthened into a Category One hurricane with sustained winds of 75 mph after being observed by NASA satellites. The storms' cloud top temperatures exceeded -63F, indicating high thunderstorms with potential heavy rainfall.

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.

New CloudLab will help researchers test new cloud architectures

Researchers at UMass Amherst are part of a six-institution consortium creating CloudLab, a new instrument allowing scientists to run huge or very complex experiments on an enormous and flexible shared network of reliable, secure and fast computers. The project will distribute $10 million in funding among partner institutions.

NASA sees Depression 12-E become Tropical Storm Lowell

Tropical Storm Lowell has strengthened in the Eastern Pacific Ocean, with powerful thunderstorms surrounding its center and cloud top temperatures near -63F. The storm is expected to continue strengthening due to moderate shear, high moisture, and warm water conditions.

NASA sees Tropical Storm Karina losing its punch

NASA's TRMM satellite detected an isolated area of heavy rain remaining in Tropical Storm Karina, indicating a weakening uplift in the storm. The storm is forecast to turn westward and slow down soon, with two computer models predicting it will weaken to a tropical depression in about 72 hours.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Tropical Storm Karina: Status quo on infrared satellite imagery

NASA satellite data shows Tropical Storm Karina's consistent strength and thunderstorm development since weakening from hurricane status. The storm's cloud pattern has remained relatively unchanged, with strong thunderstorms circling the center, especially on the northern edge.

NASA sees no punch left in Tropical Storm Julio

Tropical Storm Julio's strong thunderstorms have weakened, with cloud tops warming and dropping lower in the atmosphere. The storm is expected to continue weakening and lose its tropical characteristics due to cooler sea surface temperatures.

NASA satellite spots a weakening Karina, now a tropical storm

Hurricane Karina's vertical wind shear was evident in NASA imagery captured on August 14, with clouds being pushed to the western side of the storm. The National Hurricane Center predicts further weakening over the next two days as Karina moves over sea surface temperatures near 26C.

NASA to investigate climate impacts of Arctic Sea ice loss

The Arctic Radiation IceBridge Sea and Ice Experiment (ARISE) aims to study the effect of sea ice retreat on Arctic climate. ARISE will conduct research flights over the Arctic from Aug. 28 to Oct. 1, collecting data on ice, clouds, and radiation balance.

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.

NASA sees a weaker Tropical Storm Julio far north of Hawaii

Tropical Storm Julio is weakening as it moves through cooler Central Pacific Ocean waters, with most clouds and precipitation pushed north of the center. The storm is expected to gradually turn north before turning into a depression by August 14, according to NOAA's CPHC.

NASA sees the end of Tropical Depression Genevieve

Tropical Depression Genevieve dissipated in the Northwestern Pacific Ocean after a two-week journey through three Pacific regions. Maximum sustained winds dropped to 25 knots as the storm moved northwest at 8 knots.

Celestron NexStar 8SE Computerized Telescope

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

Pyrocumulonibus cloud rises up from Canadian wildfires

A rare pyrocumulonimbus cloud has been spotted over Canadian wildfires, posing a risk to air quality. The cloud, which is an extreme manifestation of pyrocumulus clouds, can inject smoke and pollutants high into the atmosphere, affecting areas far from the fire site.

NASA's Aqua satellite puts 2 eyes on Hurricane Bertha

The Atmospheric Infrared Sounder and Moderate Resolution Imaging Spectroradiometer instruments aboard NASA's Aqua satellite provided infrared data and a visible image of Hurricane Bertha. The storm weakened to a tropical storm by August 5, with maximum sustained winds near 65 mph.

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.

NASA sees Typhoon Halong's eye wink

NASA's Aqua and Terra satellites captured images of Super Typhoon Halong, revealing an 11.5-mile-wide eye and signs of eyewall replacement. The storm has weakened from a Category 5 to a Category 2 hurricane, with maximum sustained winds near 120mph.

NASA sees Tropical Storm Halong's 'best side'

Tropical Storm Halong is expected to intensify for three days before weakening, with forecasters predicting a path near Okinawa. The storm's strongest thunderstorms and coldest cloud tops are located on the east side of its center, indicating potential heavy rainfall.

NASA's IceCube no longer on ice

NASA has chosen a team at Goddard Space Flight Center to build its first Earth science-related CubeSat mission, known as IceCube. The tiny payload will test a new submillimeter-wave receiver that could help advance scientists' understanding of ice clouds and their role in climate change.

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 sees warmer cloud tops as Tropical Storm Hernan degenerates

Tropical Storm Hernan's weakening lifted its cloud tops, with infrared data revealing warming temperatures in the system. The storm dissipated into a remnant low-pressure area, with forecasters predicting its remaining systems to dissipate over the next few days.