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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 Cyclone Gino wind up to wind down later

Cyclone Gino strengthens with powerful thunderstorms and a ragged eye, but will weaken as it moves into cooler waters. The storm is expected to transition to a cold core low pressure area by February 15.

Apple iPhone 17 Pro

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

Climate model is first to study climate effects of Arctic hurricanes

A new climate model simulates the effects of Arctic hurricanes on ocean water circulation and climate, suggesting potentially cooler conditions in Europe and North America. The research finds that polar lows influence the sinking of dense cold water in the North Atlantic, driving large-scale ocean circulation.

NASA's HS3 Hurricane Mission Ends for 2012

The NASA HS3 mission has ended its 2012 campaign with a final data-collection flight in the North Pacific Ocean. The Global Hawk aircraft tested three new hurricane-tracking instruments: HIWRAP, HIRAD, and HAMSR, which will be used in next year's campaign to study hurricanes and severe storms.

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.

Disaster defense: Balancing costs and benefits

A father-son team has developed a mathematical model to balance costs and benefits of different disaster protection strategies. The approach considers optimization techniques and helps communities make informed choices about protection measures.

GSA session to address Hurricane Sandy

The Geological Society of America has organized a break-out discussion panel to address the devastating effects of Hurricane Sandy on rapid sea-level rise and its impacts. Geoscience experts will discuss the changes caused by the storm to the U.S. East Coast, tying into scheduled presentations on the topic.

NASA adds up Hurricane Sandy's rainfall from space

Hurricane Sandy's heavy rainfall caused catastrophic flooding along the US eastern seaboard, with rainfall totals over 260mm in open Atlantic waters and 180mm in coastal areas. The storm resulted in over 120 reported deaths, mainly due to flooding and high winds.

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.

Suomi NPP satellite captures Hurricane Sandy's Mid-Atlantic blackout

The Suomi NPP satellite captured a night-time view of New York City, New Jersey, and eastern Pennsylvania, revealing the extent of the power outages caused by Hurricane Sandy's landfall on October 29. The images show areas where power has not been restored, with comparisons to earlier images highlighting the affected regions.

NASA/NOAA's Suomi NPP captures night-time view of Sandy's landfall

The Visible Infrared Imaging Radiometer Suite (VIIRS) on NASA/NOAA's Suomi NPP captured a composite image of Hurricane Sandy just hours before its historic landfall. The satellite's day-night band sensor revealed city lights and clouds illuminated by the full moon, providing a unique view of the storm's structure.

Seniors particularly vulnerable in Sandy's aftermath

The elderly are disproportionately affected by disasters like Hurricane Sandy due to inadequate disaster infrastructure and response. Experts highlight the need for targeted policies and refined programs to enhance existing systems of care.

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 satellites capture Hurricane Sandy's massive size

Hurricane Sandy was a massive storm that covered 1.8 million square miles from the Mid-Atlantic to Canada and New England. NASA satellites captured its size, with maximum sustained winds near 75 mph and minimum central pressure rising to 952 millibars.

NASA examines Hurricane Sandy as it affects the eastern US

NASA used CloudSat and Aqua satellites to study Hurricane Sandy's structure and behavior, revealing a Category 1 hurricane with maximum sustained winds near 75 mph. The storm's large wind field and heavy precipitation associated with its outer bands posed significant challenges for the eastern US coast.

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's TRMM satellite analyzes Hurricane Sandy in 3-D

The TRMM satellite provided valuable insights into Hurricane Sandy's properties, including a weak eyewall with modest precipitation and relatively light updrafts. The satellite also detected vigorous storm cells in the super-sized rainband extending to the west and north of the hurricane's center.

NASA sees power in Hurricane Sandy moving toward Bahamas

Hurricane Sandy's powerful storm system is moving towards the Bahamas, bringing strong winds and heavy rainfall. The satellite imagery captures a large area of cold cloud tops indicating the storm's power, with temperatures as low as -63 Fahrenheit (-52 Celsius) in some areas.

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 tiny Tropical Storm Tony traveling

Tropical Storm Tony is a small, compact storm traveling through the central Atlantic Ocean. The storm's maximum sustained winds are near 45 mph, with some strengthening expected before gradual weakening.

NASA sees Tropical Storm Sandy approaching Jamaica

Tropical Storm Sandy is expected to become a hurricane before reaching Jamaica and Cuba, prompting hurricane warnings and watches for the region. The storm's strongest thunderstorms are surrounded by cloud top temperatures as cold as -63F (-52C), indicating hurricane-force winds.

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.

NASA sees 18th Atlantic depression form

Tropical Depression 18 (TD18) formed in the southwestern Caribbean Sea on Oct. 22, according to NASA's TRMM satellite. The depression has a 'hot towering' thunderstorm indicating potential intensification within 6 hours.

Satellite sees large Hurricane Rafael battering Bermuda

Hurricane Rafael's large span covers several hundred miles and dwarfs Bermuda, with the National Hurricane Center predicting 2-4 inches of rainfall and tropical-storm-force winds. The merging of systems is expected to cause Rafael to transition into a powerful extra-tropical low moving eastward over the far north Atlantic.

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.

NASA eyes Tropical Storm Rafael battering the Leeward Islands

Tropical Storm Rafael is expected to bring heavy rainfall and flash flooding to the northern Leeward Islands, with isolated totals reaching up to 12 inches. The storm is also forecasted to impact Bermuda late on Tuesday, Oct. 16, prompting a Tropical Storm Watch for the island.

NASA watching Hurricane Paul, warnings up for Baja California

Hurricane Paul has strengthened into a hurricane with maximum sustained winds near 90 mph, posing a threat to Baja California with heavy rainfall expected between 2-4 inches. The National Hurricane Center warns of dangerous surf and tropical storm conditions along the coast by Oct 16.

NASA sees some strength in Tropical Storm Patty's brief debut

Tropical Storm Patty formed on October 11 and showed strong thunderstorms around its center, intensifying into a tropical storm within six hours. NASA's satellite imagery captured the storm's rainfall intensity and cloud heights, indicating a potential strengthening of the system before it weakens due to dry air.

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.

NASA notes Nadine now no more

NASA's TRMM satellite observed very little rainfall in Nadine on its final pass before dissolution on October 4, 2012. Nadine was producing light to moderate rainfall east of its center when a cold front approached, contributing to its demise.

NASA's HS3 mission thoroughly investigates long-lived Hurricane Nadine

The HS3 mission has provided valuable insights into the characteristics of long-lived tropical cyclones like Hurricane Nadine. The Global Hawk aircraft gathered data on Nadine's winds, temperature, and humidity, helping scientists understand how these storms can intensify despite being affected by dry air and strong westerly winds.

NASA satellites indicate wind shear taking toll on Oscar

Tropical Storm Oscar is being battered by strong northwesterly wind shear, with NASA's Aqua satellite capturing images of the storm's clouds and showers southeast of its center. The National Hurricane Center expects Oscar to dissipate late on Oct. 5, 2012.

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 notes Nadine now no more

Nadine, a tropical cyclone, was monitored by NASA's TRMM satellite before its dissipation on October 4, 2012. The satellite showed minimal rainfall remaining in the storm, indicating its impending demise.

NASA gets 2 infrared views of tropical storms Nadine, Oscar

NASA's Aqua satellite captured two infrared images of Tropical Storms Nadine and Oscar on October 3, showing contrasting storm behavior. Infrared imagery revealed strong convection and thunderstorms in Oscar, but not in Nadine, as it merges with a cold front.

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.

NASA sees fifteenth Atlantic tropical depression born

The 15th Atlantic tropical depression, TD15, has formed in the central Atlantic Ocean, moving northwest at 15mph. It is expected to strengthen into Tropical Storm Oscar and move north and northeast before weakening due to hostile atmospheric conditions.

NASA sees Nadine weaken to a tropical storm again

Tropical Storm Nadine has weakened from a hurricane and is now expected to move toward the south-southeast, potentially affecting the Azores. Wind shear and cooler sea surface temperatures are forecasted to lead to its weakening.

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 sees stubborn Nadine intensify into a hurricane again

NASA's Aqua satellite revealed strong convection and thunderstorms in Tropical Storm Nadine, strengthening it back into a hurricane. The storm has lingered for over two weeks, but is still far from breaking the record for longest-lived tropical cyclone.

NASA sees light rainfall in Tropical Storm Nadine

Tropical Storm Nadine has weakened significantly with light rainfall surrounding its center of circulation, according to NASA's TRMM satellite data. The storm is expected to turn west and northwest as it moves around a high pressure area.

NASA sees a western weakness in Tropical Storm Miriam

Tropical Storm Miriam is weakening due to strong wind shear and cooler sea surface temperatures, with maximum sustained winds decreasing to near 40 mph. The storm is expected to turn west and generate dangerous ocean swells along the south and west coasts of Baja peninsula.

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.

Satellite sees Miriam weaken to a tropical storm

Tropical Storm Miriam has weakened to a tropical storm in the Eastern Pacific Ocean, with maximum sustained winds near 65 mph. Wind shear and decreasing sea surface temperatures will continue to weaken the storm over the next several days.

Hurricane Irene polluted Catskills watershed

A Yale University study reveals that Hurricane Irene polluted the Catskill watershed, darkening lakes and affecting the Ashokan Reservoir that supplies New York City with drinking water. The storm dumped unprecedented amounts of dissolved organic matter into the reservoir, equivalent to 43% of its average annual export.

NASA satellites see Tropical Storm Nadine 'refuse to go away'

Nadine, a minimal tropical storm, has been spinning south of the Azores for nearly two weeks due to unfavorable conditions. Despite its long life, Nadine still lacks the characteristics necessary to break the record for longest-living tropical cyclone.

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.

Cutting-edge technology makes NASA's hurricane mission a reality

The Hurricane and Severe Storm Sentinel (HS3) mission uses Global Hawks to gather critical measurements of wind, temperature, humidity, and aerosol patterns in tropical storms. The mission aims to improve storm predictions and prevent costly coastal evacuations by analyzing previously difficult-to-get data.

NASA's satellite saw 'power-trigger' around Hurricane Miriam's center

NASA's Aqua satellite revealed powerful thunderstorms around Hurricane Miriam's center on Sept. 23, triggering the storm's rapid intensification. The satellite's infrared data showed cloud top temperatures exceeding -63 Fahrenheit (-52 Celsius), indicating uplift and heavy rainfall.

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 sees Hurricane Lane punched in the eye

Hurricane Lane's eye has become cloud-filled, resembling being punched in the eye, due to powerful thunderstorms surrounding it. Cooler waters and increased wind shear are forecast to weaken the storm further, leading to its eventual dissipation by Wednesday.

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 Hurricane Mission explores Tropical Storm Nadine

Tropical Storm Nadine strengthened to a hurricane on September 14 and weakened back to a tropical storm on September 16. NASA's Global Hawk aircraft investigated the storm, capturing data using instruments and dropsondes, while satellites obtained imagery from space.

NASA sees Eastern Pacific storms power up and down

Tropical Storm Kristy weakened to a remnant low pressure area while Hurricane Lane strengthened into a hurricane, according to NASA's Terra satellite observations. Lane exhibited a tighter circulation than Kristy, prompting warnings of life-threatening surf and rip current conditions in southern and central Baja California.

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's TRMM satellite sees Nadine still struggling to become a hurricane

Tropical Storm Nadine continues to battle wind shear and dry air that are keeping it under hurricane status, with maximum sustained winds near 70 mph. Satellite imagery shows Nadine has grown in size but appears more ragged and disorganized, with decreasing convection around the center of circulation.

NASA sees wind shear battering Tropical Storm Nadine

Tropical Storm Nadine is battling wind shear and dry air, which are hindering its intensification. Despite reaching near-hurricane strength, the storm lacks symmetry in its cloud pattern, a crucial factor for hurricane formation.