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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 spots developing tropical system affecting Mozambique's Nampala Province

NASA has identified a developing tropical system in Mozambique's Nampala Province, characterized by strong storms and potentially heavy rainfall. The system, known as System 91S, is expected to track southwest in the Mozambique Channel, with forecasters predicting a high chance of it becoming a tropical depression within the next day.

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.

Laser demonstration reveals bright future for space communication

The LLCD mission demonstrated error-free communications during broad daylight, operating as well as any NASA radio system. It also showed that wind and atmospheric turbulence did not significantly impact the system, enabling reliable communications through thin clouds.

NASA sees Tropical Cyclone Amara spinning down

Tropical Cyclone Amara weakened significantly after encountering wind shear, dropping from Category four hurricane to a minimal tropical storm. The cyclone lost maximum sustained winds near 35 knots/40 mph/62 kph and is expected to dissipate into a remnant low-pressure area in the next day or two.

Important space weather instrument cleared for installation onto GOES-R spacecraft

The Solar Ultra-Violet Imager (SUVI) is a new telescope that will observe the sun in extreme ultraviolet wavelengths, identifying active regions, solar flares, and eruptions. This will improve space weather forecasting, enabling earlier warnings for potential impacts on Earth's power grids, communication systems, and orbiting satellites.

Fungal pathogen shows profound effects from spaceflight

A recent study by Arizona State University researchers found that spaceflight alters the global gene expression of Candida albicans, a fungus commonly found in human bodies. The results indicate changes in cell aggregation, biofilm formation, and resistance to stress and antifungal drugs.

Apple iPhone 17 Pro

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

System 90L no longer suspect for development

System 90L's chances of tropical development dismissed after hostile upper-level winds and diminished showers; no longer considered a threat by NASA. Upper-level conditions made it difficult to identify the low-pressure system, leading to its fizzling out.

LADEE instruments healthy and ready for science

The Lunar Atmosphere and Dust Environment Explorer (LADEE) has completed its commissioning phase, with all three science instruments deemed healthy. The LADEE spacecraft is now in a high-altitude preliminary orbit, preparing for its 100-day science mission to gather information about the moon's structure and composition.

Laser communication mission targets 2017 launch

The Laser Communications Relay Demonstration (LCRD) mission aims to demonstrate reliable optical services. It will conduct a two-year demonstration of optical relay services to collect long-term performance data and provide necessary knowledge for future mission-critical systems.

Fluke 87V Industrial Digital Multimeter

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

Extra-Tropical Storm Melissa spinning into history

Extra-Tropical Storm Melissa has weakened and is headed towards the Azores Islands with sustained winds near 45 knots. The storm's core temperature change indicates a transition from warm to cold, similar to a mid-latitude low-pressure system.

NASA catches Melissa's fickle life as a tropical storm

Tropical Storm Melissa formed on Nov 18 and underwent rapid transformations under NOAA's GOES-East satellite imaging. After becoming post-tropical later today, the National Hurricane Center forecasts gradual weakening over the next two days.

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 experts showcase science, technology at supercomputing conference

NASA presents cutting-edge computational achievements, including insights into galaxy formation and climate modeling, as well as advancements in quantum computing and space launch system design. The agency's expertise is key to mission success, enabling research on oceanic climate change and space weather.

Mission to Mars moon could be a sample-return twofer, study suggests

A new study suggests that Phobos' surface contains tons of Martian debris, including dust, soil, and rock blown off the Martian surface by large projectile impacts. This finding could enable a sample-return mission to Mars to be flown as part of a single mission, with the Russian space agency planning to launch its second attempt in 2020.

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 video shows birth and death of Tropical Storm Sonia

Tropical Storm Sonia formed on Nov. 1 and made landfall in western Mexico by Nov. 4, with NASA capturing its brief life in a 36-second animation. The storm's maximum sustained winds reached 45 mph, but it weakened as it moved over rugged terrain.

NASA satellite catches a wide-eyed Typhoon Krosa

Typhoon Krosa strengthened after passing over northern Philippines and expanded its eye by 10 nautical miles. The storm's center moved into the South China Sea, where NASA's Aqua satellite captured a visible image revealing its 35-nautical-mile-wide eye.

Many bushfires in New South Wales, Australia

Bushfires continued raging in New South Wales, with over 116,000 hectares burned. The MODIS instrument on NASA's Terra satellite detected heat from the fires and showed a large area of smoke in the Wollemi National Park.

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.

Cold front coming to swallow remnants of Tropical Storm Lorenzo

NASA's GOES-East satellite image captured the oval-shaped remnants of Tropical Storm Lorenzo east of a frontal system. The remnant low-pressure area is moving northeast at 10 mph and has a 20% chance to redevelop before being consumed by the approaching cold front.

NASA analyzes Hurricane Raymond's copious rainfall

Hurricane Raymond caused extreme rainfall amounts of over 560mm/~22 inches in open Pacific waters, with totals exceeding 125mm/~4.9 inches along Mexico's coast. The storm's copious rainfall also dropped abundant precipitation in areas already hit by deadly flooding and landslides.

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 sees hint of Typhoon Lekima's rapidly intensification

Typhoon Lekima's rainfall rates were found to be heavy, with rates over 2 inches per hour north and east of the center. The typhoon is forecast to continue on a northwesterly track before making a turn to the northeast as it reaches the island of Iwo To.

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's TRMM satellite monitors Typhoon Francisco

Typhoon Francisco passed west of Guam on October 18 as NASA's TRMM satellite measured its heavy rainfall, with rain falling at over 113 mm/hour in powerful storms. The storm is forecast to become a super-typhoon, reaching maximum sustained winds of at least 130 knots/150 mph.

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.

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.

Infrared NASA image sees Extra-Tropical Toraji over Japan

Extra-Tropical Storm Toraji brought heavy rainfall to Japan's big island, with coldest cloud top temperatures and strongest thunderstorms detected by NASA's AIRS instrument. The storm has increased in forward speed and is now being carried by a fast-moving frontal boundary across Japan.

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.

From birth to death in 4 days: Kiko now a remnant low

Tropical Storm Kiko formed on Sept. 1 and intensified quickly, with maximum sustained winds reaching near 70 mph. However, cooler waters and wind shear weakened the storm, leading to its dissipation by Sept. 4. Meanwhile, another low-pressure system is forming near Mexico's southwestern coast.

NASA sees Tropical Storm Kong-Rey battling wind shear

Tropical Storm Kong-Rey is experiencing strong thunderstorms in its southern and western quadrants, while the northern quadrant shows weaker development due to northeasterly wind shear. The storm is expected to pass east of Taiwan before weakening in the next couple of days.

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.

Fernand's remnants still drenching eastern Mexico

Tropical Storm Fernand's remnants are still streaming moisture over eastern Mexico, causing heavy rainfall and cloud cover in the region. The National Meteorological Service of Mexico expects intense and heavy rain to hit northeastern states, east and central Mexico, with a warning remaining in effect for heavy rainfall.

NASA identifies heavy rainfall in South China Sea's Typhoon Utor

Heavy rainfall in Typhoon Utor's thunderstorm feeder-bands was detected by NASA's TRMM satellite, with rain falling at rates of over 73mm/hour. The storm strengthened over the South China Sea before making landfall in China, with maximum sustained winds reaching 95 knots/109.3 mph.

NASA saw Henriette fading and 2 struggling lows behind

Hurricane Henriette weakened to a depression in the Central Pacific Ocean on August 11, with NASA's TRMM satellite observing its decline. Two other low-pressure areas, System 93E and System 92E, are being monitored for possible development in the Eastern Pacific Ocean.

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.

NASA sees a very active tropical Eastern Pacific Ocean

The Eastern Pacific Ocean has become extremely active, with NASA tracking Hurricane Gil and two developing tropical low-pressure areas. System 91E is expected to slow down as it approaches the Central Pacific, while Hurricane Gil is expected to weaken over cooler waters and stronger wind shear.

Satellite sees Flossie fizzle fast

Tropical Depression Flossie's remnants brought strong winds to Hawaii, causing power outages on the islands of Maui and Molokai. The storm's low pressure area was centered near Honolulu, Hawaii, about 140 miles west-northwest.

Satellite shows ex-Tropical Storm Dorian's remnants elongated

NASA's GOES Project captured images of Dorian's remnants using GOES-13 satellite data, showing an elongated shape stretching a few hundred miles east and northeast of the Turks and Caicos Islands. The National Hurricane Center notes that re-development is unlikely over the next couple of days as the remnant low moves west to northwest.

NASA keeping an eye on Dorian's remnants

Tropical Storm Dorian's remnants are producing showers and thunderstorms northeast of the Northern Leeward Islands. The low pressure area is moving westward towards Puerto Rico and the Bahamas, with a medium chance (40%) of regeneration into a tropical cyclone.

Oregon's Sunnyside Turnoff Fire

The Sunnyside Turnoff Fire in northern Oregon burned over 48,916 acres by July 26, 2013, with 40% containment. The fire was caused by human activity and affected the Warm Springs area, leading to evacuations and public closures.

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's various views of Tropical Storm Dorian

Scientists studied Tropical Storm Dorian's infrared image, revealing thunderstorms as cold as 195 Kelvin, indicating very high clouds. The storm maintained strong thunderstorms around its center before moving into warmer sea surface temperatures.

Fires in Eastern Russian and Siberia

Forest fires are burning north and east of Russia's Irkutsk Oblast in southeastern Siberia, affecting recreational areas and the nearby town of Mirny, home to the world's largest diamond mine. The MODIS instrument detected heat from various wildfires using its infrared capabilities.

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.

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.

NASA sees tropical storm dalila weaken, new low pressure area form

Tropical Storm Dalila has weakened near the southwestern Mexico coast, while a new tropical low pressure area called System 97E has formed in the Eastern Pacific Ocean. The storm's maximum sustained winds dropped to 65 mph on July 2, and it is now moving away from the coast into open waters.

Silver Fire, New Mexico

The Silver Fire, burning in southern New Mexico's Gila National Forest, has consumed over 133,625 acres as of July 1. The fire, caused by a lightning strike on June 7, is partially contained at 50 percent.