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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 identifies wind shear affecting Tropical Storm Lee

Tropical Storm Lee's development was hindered by strong westerly to northwesterly vertical wind shear, pushing its thunderstorms east of its center. The storm is expected to degenerate into a remnant low on Tuesday, Sept. 19, due to continued hostile winds and dry conditions.

NASA sees Maria intensify into a major hurricane

Hurricane Maria strengthened into a major hurricane with cloud top temperatures as cold as minus 81.6 degrees Fahrenheit, indicating heavy rainfall potential. The storm is expected to move across the Leeward Islands and approach Puerto Rico and the Virgin Islands.

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NASA finds a pinhole eye in Hurricane Otis

NASA's Suomi NPP satellite captured an image of Hurricane Otis showing a unique pinhole eye surrounded by powerful thunderstorms. The storm's wind field is extremely compact, with hurricane-force winds extending only 25 miles from the center.

Satellite eyeing Tropical Storm Jose churning coastal waters

Tropical Storm Jose is producing high surf and life-threatening rip currents along the U.S. East coast, with swells affecting Bermuda, the Bahamas, and Puerto Rico. The storm is forecast to become a hurricane in the next 48 hours, with maximum sustained winds near 70 mph.

NASA-NOAA's satellite night-time nod to Norma

Tropical Storm Norma was located near 18.7 degrees north latitude and 109.7 degrees west longitude, with an elongated band of thunderstorms around its center, 85 miles east of Socorro Island.

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Satellite view reveals Tropical Depression 15E still struggling

Tropical Depression 15E is experiencing decreased convection near its center but remains in a better position than 24 hours ago. The system is expected to strengthen over the next 48 hours and potentially become a Tropical Storm, moving westward at a slow pace.

NASA sees Hurricane Max make landfall and weaken

NASA's Aqua satellite captured Hurricane Max making landfall and quickly weakening, with the storm degenerating into a large area of low pressure. The coldest cloud tops were found around the center of circulation and over the coast of Guerrero state, indicating storms that reached high into the troposphere and generated heavy rain.

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NASa sees remnants of irma ready to exit Eastern US

NASA's Terra satellite and NOAA's GOES East satellite monitored the movement of Irma's remnant clouds, tracking their path across the Midwest, Pennsylvania, New England, and upstate New York. The low-pressure system associated with the remnants is expected to slide off the U.S. East coast on Friday.

NASA-NOAA Satellite spots 2 tails of Hurricane Max

The Suomi NPP satellite captured an image of Hurricane Max on Sept. 13, revealing two 'tails' of thunderstorms feeding into the low-level center. Maximum sustained winds reached near 75 mph (120 kph), with higher gusts and a minimum central pressure of 992 millibars.

Hydrogen power moves a step closer

Scientists are developing methods to create renewable fuel from water using quantum technology, marking a significant step forward in the pursuit of sustainable energy. The Global Precipitation Measurement mission revealed intense downpours within Hurricane Jose's powerful convective storms.

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GPM satellite finds sheared Hurricane Jose has very tall storms

Hurricane Jose was found to have extremely intense downpours within its powerful convective storms, with rain falling at rates of over 8.9 inches per hour. The GPM satellite's 3D cross-section revealed storm tops reaching altitudes greater than 10.85 miles high.

NASA-NOAA satellite shows extent of Irma's remnants

The NASA-NOAA satellite captured images of Hurricane Irma's remnant clouds and rains covering a quarter of the continental US. The satellite data showed the extent of the storm's impact, with moderate to locally heavy rain expected in the Mid-South and Southeast regions.

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Irma's heavy rainfall measured by NASA's IMERG

Irma dropped extremely heavy rain, up to 20 inches, across Cuba and Florida, causing severe flooding. The post-tropical cyclone weakened over Georgia, but its remnants produced additional 1-3 inch rain accumulations across the southeastern US.

NASA gets nighttime and daytime look at a weaker wide Irma

NASA's Suomi NPP satellite captured a nighttime infrared image of Hurricane Irma on Sept. 11, showing the storm's large extent over Florida, Georgia, Alabama, and the Carolinas. The storm has weakened to a tropical storm but can still cause significant impacts, with maximum sustained winds near 65 mph.

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NASA analyzes Hurricane Jose's hidden cloud-filled eye

NASA analyzed Hurricane Jose's cloud-filled eye using satellite imagery, revealing strong thunderstorms around the center and bands northeast and southeast of the storm. The satellite data showed that the eye feature persists despite being obscured in conventional imagery.

NASA sees Hurricane Jose move past the Leeward Islands

Hurricane Jose's eye is visible in satellite images over the Leeward Islands, with maximum sustained winds near 130 mph. The storm is expected to make a turn toward the north, gradually weakening over the next couple of days.

NASA sees Hurricane Irma affecting south Florida

NASA satellite images reveal Hurricane Irma's structure and strengthening as it approaches southern Florida. The storm re-strengthened from a Category 3 to a Category 4 hurricane after passing over warm waters in the Caribbean. The National Hurricane Center reports maximum sustained winds of 130 mph, with higher gusts.

Hurricane Jose gives NASA's Terra satellite a clear eye

NASA's Terra satellite passed over Hurricane Jose, capturing a visible-light image of its well-defined eye. The eye has become slightly more asymmetric, with northeastward elongation of the cirrus canopy indicating increasing southwesterly shear.

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NASA sees Hurricane Irma's eye along Cuba's coast

NASA's Aqua satellite captured images of Hurricane Irma's eye along Cuba's northern coast, revealing coldest temperatures surrounding the storm. The hurricane is expected to strengthen once it moves away from Cuba and then re-strengthen again as it approaches Florida, bringing powerful winds and heavy rainfall.

NASA's fleet of satellites covering powerful Hurricane Irma

Hurricane Irma's eye was characterized by extremely cold cloud top temperatures, indicating potential for heavy rainfall. NASA-NOAA's satellites captured detailed images of the storm's structure, including its well-defined eye and strong thunderstorms.

Satellites show Hurricane Katia crawling to the Mexico coast

Hurricane Katia is moving toward the west-southwest near 3 mph (6 km/h) and is expected to make landfall on Saturday, Sept. 9, bringing powerful bands of thunderstorms and heavy rainfall. The storm's eye is becoming more distinct, with a Hurricane Warning in effect for parts of Mexico.

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NASA gets 'eyed' by major Hurricane Jose

NASA's Aqua satellite captures clear view of Hurricane Jose's eye as it strengthens into a Category 4 hurricane. Powerful storms surround the center, capable of heavy rainfall and powerful winds of up to 150 mph.

Satellites show Hurricane Katia not moving much

Hurricane Katia strengthened into a hurricane on Sept. 6, with powerful bands of thunderstorms around its center, and is forecast to produce heavy rainfall and potentially major hurricane strength at landfall.

NASA finds Jose strengthening into a hurricane

NASA's GPM satellite detected strengthening in Tropical Storm Jose, indicating towering thunderstorms and heavy rain rates of over 5.3 inches per hour. The storm intensified into a hurricane on September 6, 2017, with maximum sustained winds near 90 mph.

Satellites show different sides of Hurricane Irma

Satellite imagery from NASA's Aqua satellite revealed a clear eye with powerful bands of thunderstorms circling the eye. Cloud top temperatures as cold as minus 83.1 degrees Celsius indicated the most powerful storms in Irma, stretching high into the troposphere.

GPM satellite probes dangerous category 5 Hurricane Irma

The GPM core observatory satellite passed over Irma on September 5, 2017, revealing intense rainfall within the storm's eyewall. The satellite's radar data showed extremely powerful storms reaching altitudes of over 10 miles, with precipitation rates exceeding 10.8 inches per hour.

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NASA sees Tropical Storm Katia develop near Mexico's east coast

Tropical Storm Katia is developing near Mexico's east coast with maximum sustained winds of 45 mph and forecasted to produce 5-10 inches of rain over northern Veracruz. Strengthening is expected, potentially making it a hurricane before approaching the coast.

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NASA sees Irma strengthen to a category 5 hurricane

Hurricane Irma has strengthened to a Category 5 hurricane with maximum sustained winds near 175 mph, posing an extremely dangerous threat to the northern Leeward Islands. NASA and NOAA satellites have been providing critical imagery and data to forecasters, indicating significant fluctuations in intensity over the next few days.

NASA-NOAA's Suomi NPP satellite spots Lidia dissipating

Lidia, a tropical cyclone, weakened and degenerated into a remnant low-pressure area on Sept. 2. The National Hurricane Center issued its final advisory at 5 a.m. EDT, noting the storm had lost deep convection and was expected to dissipate by Monday night.

NASA gets a night-time and under-the-hood look at Hurricane Irma

The Suomi NPP Satellite provided a night-time image of Hurricane Irma, revealing powerful thunderstorms with cloud top temperatures as cold as 190 kelvin. The Global Precipitation Measurement (GPM) mission confirmed heavy rainfall within the hurricane, with a convective storm dropping rain at a rate of almost 6.3 inches per hour.

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NASA examines Hurricane Lidia's eye on the Baja

Hurricane Lidia made landfall on the Baja California peninsula, bringing soaking rains and threatening life-threatening flash floods. The storm's strongest storms surrounded its center, with coldest cloud top temperatures exceeding minus 81 degrees Fahrenheit.

Satellite eyes Tropical Storm Irma swirling in eastern Atlantic

Tropical Storm Irma is steadily strengthening and nearing hurricane strength, with maximum sustained winds reaching near 70 mph and a central pressure of 997 millibars. Satellite imagery shows the storm becoming better organized with a developing central dense overcast.

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NASA sees Tropical Storm Harvey moving back into the Gulf

Tropical Storm Harvey is expected to produce heavy rainfall accumulations of 15-25 inches over the upper Texas coast and into southwestern Louisiana. The storm's center is located near Port O'Connor, Texas, with maximum sustained winds near 40 mph and slight re-strengthening possible later today.

NASA calculates Tropical Storm Harvey's flooding rainfall

Using satellite data, NASA calculated Tropical Storm Harvey's accumulated effects of rain, with totals reaching on the order of 20 inches near Galveston Bay and over 10 inches in western Louisiana. The analysis shows widespread massive flooding across the region, similar to Tropical Storm Allison in 2001.

NASA analyzes Hurricane Harvey's rainfall, sees landfall

Harvey's heavy rainfall was measured by NASA's GPM satellite, showing intense storms dropping rain at a rate greater than 3.2 inches per hour. The storm's eye made landfall as a Category 4 hurricane between Port Aransas and Port O'Connor, Texas, causing catastrophic flooding. The National Hurricane Center predicts total rain accumulati...

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.

NASA gets an in-depth look at intensifying Hurricane Harvey

NASA used its Global Precipitation Mission (GPM) satellite to analyze Hurricane Harvey's intense rainfall, revealing powerful storms dropping rain at a rate of over 2.1 inches per hour. The hurricane is expected to produce devastating and life-threatening flooding in Texas and Louisiana, with maximum sustained winds near 110 mph.

NASA finds heavy rainfall in intensifying Tropical Storm Harvey

Tropical Storm Harvey is intensifying with heavy rainfall, forecast to bring life-threatening flooding and strong winds to the middle Texas coast. The National Hurricane Center predicts rain accumulations of 12-20 inches in some areas, with totals exceeding 30 inches in isolated regions.

Post-Tropical Cyclone Kenneth spinning down

Kenneth remains a well-organized gale-force tropical low pressure area with maximum sustained winds near 40 mph. The storm is moving north-northwestward towards the north and weakening over the next couple of days.

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NASA sees Tropical Depression Harvey's rebirth

Tropical Depression Harvey has regenerated into a tropical depression in the Gulf of Mexico, with NASA tracking its cloud pattern and temperature. The National Hurricane Center predicts heavy rain accumulations of 10-15 inches over Texas and Louisiana, with storms potentially exceeding -63 degrees Fahrenheit, capable of generating heav...

NASA finds wind shear weakening Hurricane Kenneth

Hurricane Kenneth's strongest storms were pushed away from the center due to vertical wind shear, causing a rapid weakening of the hurricane. The National Hurricane Center expects Kenneth to weaken rapidly over the next day or two, potentially becoming post-tropical in 2-3 days.

NASA sees major Hurricane Kenneth in Eastern Pacific

Hurricane Kenneth, a category 4 storm, has strengthened significantly in the Eastern Pacific, with maximum sustained winds reaching 130mph. The National Hurricane Center forecasts a turn toward the northwest, then north-northwest over the next couple of days.

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NASA gets a final look at Hurricane Gert's rainfall

Before becoming a post-tropical cyclone, NASA observed Hurricane Gert's intense rainfall of over 2.94 inches per hour. The storm's eastern side was experiencing powerful bands of rain, with some areas reaching up to 7.5 miles in height.

NASA's infrared look at Hurricane Gert

The Atmospheric Infrared Sounder instrument detected very cold cloud top temperatures exceeding minus 63 degrees Fahrenheit, suggesting the presence of intense thunderstorms that can generate heavy rain. The hurricane's center was located near Bermuda and Halifax, Nova Scotia, with forecasted strengthening and weakening phases.

NASA's GPM found Gert strengthening into a hurricane

Tropical Storm Gert strengthened into a hurricane, generating intense rainfall and dangerous surf along the US East coast. The storm's eastern side showed the most intense rainfall rates, with some areas reaching over 3.5 inches per hour.

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NASA sees Tropical Storm Jova being ripped apart

Tropical Storm Jova formed on August 11, but just two days later, it was being torn apart by strong vertical wind shear. The storm weakened into a post-tropical cyclone by August 14, with maximum sustained winds near 35 mph and an estimated minimum central pressure of 1005 millibars.