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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's Aqua Satellite finds wind shear not letting up on Omar

Tropical Depression Omar is being affected by persistent wind shear, which is weakening the storm's rotation and inhibiting thunderstorm development. The NASA Aqua satellite has provided temperature information about the system's clouds, confirming the presence of wind shear.

NASA sees wind shear still battering tropical storm Iselle

Tropical cyclones are composed of hundreds of thunderstorms, and NASA's Infrared Data Reveals Where the Strongest Storms Are Located. The strongest storms have coldest cloud top temperatures, with some reaching minus 80 degrees Fahrenheit near Iselle's center.

NASA finds new Tropical Storm Iselle already battling wind shear

Tropical Storm Iselle formed on Aug 26 with enhanced infrared data showing strongest storms west of the center, indicating large amounts of rain. Wind shear will likely prevent strengthening over the next couple of days, and forecasts predict weakening late this weekend.

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 finds wind shear battering tropical storm Edouard

Tropical Storm Edouard is being battered by strong southwesterly winds and wind shear, displacing its strongest storms. The storm's cloud top temperatures indicate potential for heavy rainfall as it transitions into a post-tropical system.

New system uses wind turbines to defend the national grid from power cuts

Researchers at the University of Birmingham have developed a 'smart' system that controls energy storage and release in wind turbines to regulate the national grid. The system uses variable speed rotors to keep pace with electricity demand, reducing the risk of power cuts and supporting widespread wind energy use.

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.

Wind beneath their wings: Albatrosses fine-tuned to wind conditions

A new study found that albatrosses wait for stronger winds to fly again and males rely more on strong winds for take-off due to their larger size. The research tracked over 300 albatrosses and combined tracking data with computer modeling to shed light on the role of wind in flight decisions.

Scientists present new method for remote sensing of atmospheric dynamics

Physicists at Moscow Institute of Physics and Technology have developed a new method for wind speed remote measurements. The instrument measures infrared atmospheric absorption spectrum with ultra-high spectral resolution, enabling retrieval of wind speeds with accuracy of 3-5 meters per second.

NASA finds Tropical Storm Jeruto's displaced rainfall

Strong wind shear displaced moderate rainfall east of Tropical Storm Jeruto's center, pushing heaviest rain at 1.6 inches per hour in a small area. NASA's Global Precipitation Measurement mission measured these rates on April 16.

Celestron NexStar 8SE Computerized Telescope

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

Extra-tropical Cyclone Harold caught by NASA's Terra Satellite

Cyclone Harold's transformation into an extra-tropical cyclone was captured by NASA's Terra satellite, revealing elongated clouds and convection displaced to the southeast. The system is undergoing a transition characterized by wind shear and baroclinic processes, which may retain hurricane-force winds.

Measuring the wind speed on a brown dwarf

A new study has measured wind speeds on a brown dwarf using infrared and radio emissions, revealing strong winds of up to 2,400 kilometers per hour. The technique can be adapted to characterize atmospheres of exoplanets with similar rotation rates and periodic variability.

Astronomers measure wind speed on a brown dwarf

Researchers have successfully measured wind speed on a brown dwarf, an object intermediate in mass between a planet and a star. The study found that the brown dwarf's atmosphere is rotating faster than its interior, with a calculated wind speed of about 1425 miles per hour.

Apple iPhone 17 Pro

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

NASA finds Tropical Storm Irondro's heavy rainfall displaced

Heavy rainfall from Tropical Storm Irondro was displaced southeast of the center due to strong wind shear, with light rain throughout the rest of the storm. The storm had maximum sustained winds near 40 knots despite wind shear, and is expected to become a cold core low pressure area later in the day.

NASA finds little strength left in Tropical Cyclone Herold

Tropical Cyclone Herold's strength dwindled as it moved into high wind shear and cooler sea surface temperatures. The system's low-level circulation center was partially exposed, with minimal strong convection, according to NASA's Aqua satellite imagery.

Predicting persistent cold pool events

Cold pools can trap pollutants, reduce wind speeds, and cause freezing rain, posing serious health risks in urban areas. The study aims to improve forecasting of these events to ensure a stable electrical grid and lower energy costs.

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 finds wind shear doing in Tropical Storm Gabekile

Tropical Storm Gabekile rapidly intensified from hurricane-force winds to weakening due to strong northwesterly wind shear, according to NASA's Aqua satellite imagery. Wind shear disrupts the storm's rotation by pushing it apart at different altitudes.

NASA finds wind shear affecting tropical cyclone Uesi

Wind shear, a measure of changing winds with altitude, affects Tropical Cyclone Uesi's rotation and strength. The NASA Aqua satellite revealed this impact, showing clouds being pushed to the southeast of the center of circulation.

NASA finds Tropical Cyclone Diane's quick fade

Tropical Cyclone Diane formed on January 24 and quickly weakened due to wind shear, dissipating by January 27. The storm's clouds were blown southwest of the weak center, revealing its final state.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

NASA tracking Tropical Storm Claudia battling wind shear

Tropical Storm Claudia is battling strong vertical wind shear as it moves away from Western Australia and through the Southern Indian Ocean. The storm's shape, elongated from west to east, provides forecasters with an idea of its organization and strength.

Evolving landscape added fuel to Gobi Desert's high-speed winds

A new study in Nature Communications documents a previously undocumented relationship between erosion and wind speed in the Gobi Desert, revealing that changes in landscape can exacerbate extreme conditions. The research found that wind erosion heated up the air within the depression, increasing wind speeds by up to 25 percent.

NASA examines tropical storm Fung-Wong's rainfall

Tropical Storm Fung-Wong was found to have two small areas of moderate to heavy rainfall despite strong wind shear. The Global Precipitation Measurement mission measured rainfall rates throughout the storm on Nov. 22, with heaviest precipitation occurring at a rate of 1.6 inches per hour.

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 identifies new Eastern Pacific tropical storm

Tropical Storm Raymond has strengthened and organized into a tropical storm, with winds reaching near 45 mph and estimated minimum central pressure of 1005 millibars. The system is expected to produce total rainfall accumulations of 2-4 inches across southern Baja California Sur, posing life-threatening flash flood risks.

Astronomers catch wind rushing out of galaxy

Researchers have made a novel discovery about galactic winds, observing a huge outflow of gas extending far beyond a galaxy. The study's findings provide direct evidence for the role of galactic winds in creating the circumgalactic medium.

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-NOAA satellite shows wind shear affecting a changing Typhoon Bualoi

Typhoon Bualoi continued to exhibit asymmetric shape due to ongoing wind shear, as revealed by NASA-NOAA's Suomi NPP satellite. The storm was transitioning into an extra-tropical cyclone, losing its tropical characteristics. Forecasters predict it will weaken and make landfall well east of Japan.

NASA observes Tropical Storm Kyarr form near southwest India coast

Tropical Storm Kyarr formed quickly near the southwestern coast of India, intensifying into a storm with heavy rainfall warnings and gale-force winds forecasted. NASA's Aqua satellite provided visible images revealing a large band of powerful thunderstorms circling the low-level center of circulation.

NASA imagery reveals Neoguri now extra-tropical

Neoguri, formerly a typhoon, has taken on a more frontal system appearance in NASA's Aqua satellite imagery. The storm is expected to intensify slightly and track northeastward with maximum sustained winds near 45 knots.

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 finds a transitioning Tropical Storm Neoguri

Tropical Storm Neoguri is undergoing extratropical transition due to southwesterly wind shear, resulting in elongated storm structure and weakened convection. The system's maximum sustained winds near 40 knots (46 mph) are expected to decrease within 12 hours.

NASA sees Post-tropical Cyclone Lorenzo affecting Ireland

NASA's Terra satellite captured a visible image of Post-tropical Cyclone Lorenzo as it neared Ireland on Oct. 3, showing frontal features and cloud-filled center of circulation west of Ireland. Met Eireann has issued rainfall and wind warnings for Ireland due to the storm's heavy rains and high winds.

NASA finds a transitioning cyclone Mitag filling the sea of Japan

Tropical Storm Mitag is undergoing extratropical transition, losing its tropical characteristics and becoming a larger system with increasing wind field size. The storm had maximum sustained winds near 40 knots (46 mph/74 kph) as it moved east-northeast towards landfall over northern Honshu, Japan.

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.

Model helps choose wind farm locations, predicts output

A team of Penn State researchers developed a model that can accurately predict wind farm energy production and location. The model provides a probability curve for wind production, allowing companies to make informed decisions about investing in wind farms.

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 satellite catches Hurricane Kiko at night

The Suomi NPP satellite's Visible Infrared Imaging Radiometer Suite (VIIRS) instrument provided an infrared image of Hurricane Kiko on Sept. 16, showing an elongated shape due to wind shear. Wind shear affects tropical cyclones by pushing against the rotating cylinder of winds, weakening rotation and intensifying the storm.

NASA finds Tropical Depression Peipah dissipating

Tropical Depression Peipah weakened to a swirl of clouds on Sept. 16, with wind shear pushing strong thunderstorms southwest of the center. The storm was centered near 24.8 degrees north latitude and 142.8 degrees east longitude, about 82 miles east of Iwo To Island, Japan.

NASA finds Faxai now extra-tropical in Pacific Ocean

Tropical Storm Faxai has transitioned to an extra-tropical storm in the Pacific Ocean, characterized by a strong gale-force cold core low-pressure area. The system is expected to continue tracking through the Northern Pacific Ocean over the next several days with weakening 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's IMERG estimates Hurricane Dorian's rain

The NASA IMERG algorithm provides near-realtime precipitation estimates for Hurricane Dorian, showing storm-total rain accumulation exceeding 24 inches over the Grand Bahama and Abaco Islands. The hurricane's trajectory is expected to bring it dangerously close to the Florida east coast late today through Wednesday evening.

Hurricane Dorian marching slowly across Atlantic

Hurricane Dorian has strengthened to near 110 mph with higher gusts, threatening the Bahamas and southeastern US with life-threatening storm surge and heavy rainfall. The storm is expected to produce 6-12 inches of rain and cause life-threatening flash floods.

NASA finds wind shear affecting Tropical Depression Erin

Tropical Depression Erin's strong northwesterly vertical wind shear pushed most of its clouds and thunderstorms southeast, weakening the storm. The cyclone strengthened into a tropical storm despite the wind shear, but weakened back to a depression by 11 a.m. EDT.

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 sees a lopsided Atlantic Tropical Storm Chantal form

Tropical Storm Chantal formed despite strong winds, with eastward storms exhibiting vertical wind shear and cold cloud top temperatures. The storm is forecast to slow and turn southward, potentially weakening into a tropical depression.

NASA's Aqua satellite finds a weaker Chantal, now a depression

NASA's Aqua satellite detected a weakened Tropical Storm Chantal, now classified as a depression, with strongest storms shifted to the northeast of the center. The storm is moving eastward at 17 mph and is forecast to slow down and make a clockwise loop through the weekend.

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.

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.

Dung beetles use flexible compass for spatial orientation

Research suggests that South African dung beetles utilize a multisensory compass, combining wind direction with solar elevation to maintain spatial orientation. The study found that the beetles' ability to orient themselves improves when incorporating wind cues into their navigation strategy.