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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

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.

2 NASA satellites catch Tropical Storm Nate's quick formation

Tropical Storm Nate formed quickly in the Bay of Campeche near Mexico's east coast, with NASA satellites capturing its rapid development. The heaviest rainfall was found on the southern side of the storm, with cloud tops reaching heights of up to 14km.

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 sees 4 tropical cyclones in the Atlantic today

Hurricane Katia is causing rough surf along the U.S. east coast, while Tropical Storm Lee's remnants bring heavy rain to the Mid-Atlantic states. Meanwhile, Tropical Storm Maria appears disorganized, and Tropical Storm Nate is expected to strengthen in the warm waters of the Bay of Campeche.

Lee's remnants continue to drench the Eastern US

Lee's surface circulation absorbed by a large extratropical low pressure area near the Tennessee/Virginia border. Heavy rainfall expected from central Appalachians into New England, with totals up to 10 inches until week's end.

NASA satellites 'eyes' changes in Hurricane Katia

NASA satellites have been monitoring Hurricane Katia's transition, capturing clear images of its cloud patterns and spiral shape characteristic of strong storms. The storm has undergone eyewall replacement, with a double-eyewall formation indicating it is likely to maintain major hurricane status.

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.

Tropical Depression 8E's remnants still hug Mexican coastline

The remnants of Tropical Depression 8E continue to bring heavy rainfall and strong thunderstorms to Mexico's southwestern coast, with 4-6 inches of rain expected over the states of Guerrero, Michoacan, and Colima. The National Hurricane Center has issued their last warning for the area, indicating a low chance of regeneration.

Cutting soot emissions: Fastest, most economical way to slow global warming

A new study suggests that reducing soot emissions from diesel engines and other sources could slow melting of sea ice in the Arctic faster and more economically than any other quick fix. Soot emissions are second only to carbon dioxide in promoting global warming, but their effects have been underestimated in previous climate models.

Tropical Depression 8E forms on Mexican coastline, watches up

NASA's TRMM satellite detected isolated areas of heavy rainfall within Tropical Depression 8E before it organized. The depression is forecast to bring heavy rainfall and 4-6 inches of precipitation to coastal sections of Mexico's Guerrero, Michoacan, and Colima states

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What caused a giant arrow-shaped cloud on Saturn's moon Titan?

Researchers used a global circulation model to demonstrate how atmospheric waves affect Titan's weather patterns, leading to sharp and surprising cloud shapes. The study reveals that these waves can cause intense precipitation, shaping Titan's surface through erosion.

Apple iPhone 17 Pro

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

Tropical Storm Don analyzed in 3 NASA satellite images

Heavy rainfall and gusty winds are expected from Tropical Storm Don as it approaches landfall in southeastern Texas. NASA's satellite images reveal powerful thunderstorms and cold cloud tops surrounding the storm's center, with rainfall totals reaching up to 5 inches in some areas.

NASA identifies the areas of Tropical Storm Muifa's strength

Tropical Storm Muifa strengthened in the western North Pacific Ocean on July 28, with highest thunderstorms located on its eastern and southern sides. A nearby high-pressure area is preventing evaporation in the storm's northern quadrant, weakening its convection.

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.

Tropical Depression 11W moving past Yap and Guam

Tropical Depression 11W is currently located southwest of Andersen Air Force Base, Guam, with maximum sustained winds near 30 knots. The storm is expected to move northwestward for the next day or two before shifting in a northeasterly direction.

NASA sees dramatic temperatures around Tropical Depression 11W

Tropical Depression 11W exhibits a significant temperature contrast between its cold cloud tops (-63°F) and warm sea surface (80°F), with a difference of 143 degrees. The storm is expected to intensify into a typhoon and recurve to the northeast, posing threats to Yap State (Micronesia).

Eat, prey, rain

Researchers developed a model that mimics three predator-prey modes to understand cloud-rain interactions, finding that aerosols affect cloud formation and precipitation. The study provides new insights into the complex relationships between clouds, rain, and aerosols, shedding light on climate patterns and human-induced changes.

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.

Fluke 87V Industrial Digital Multimeter

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

Tropical Storm Dora bringing rough surf to southern Mexico

Tropical Storm Dora has strengthened to near-hurricane strength, expected to bring life-threatening surf and rip currents to southern Mexico. Cloud top temperatures have dropped significantly, indicating increasing convection and thunderstorm activity.

Big hole filled in cloud research

Research suggests planes may induce odd-shaped holes or canals into clouds, potentially increasing precipitation near airports with frequent cloud cover. This inadvertent seeding process works similarly to intentional cloud seeding and may require more frequent de-icing for planes.

Aircraft influence the local weather, new study shows

Researchers found that airplanes can create holes in supercooled clouds, leading to increased snowfall and precipitation around major airports. The phenomenon is similar to cloud seeding but occurs naturally due to aircraft flight patterns and engine emissions.

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.

Takeoffs and landings cause more precipitation near airports

Researchers discovered that aircraft takeoffs and landings under certain atmospheric conditions can cause a small but measurable increase in rain and snow near airports. The study used satellite images and weather forecasting models to examine the occurrence of inadvertent cloud seeding within 62 miles of six commercial airports.

NASA satellite gets 2 tropical cyclones in 1 shot

The NASA Aqua satellite captured an infrared image of Tropical Storm Meari and Tropical Depression Haima on June 22. The image showed large areas of strong thunderstorms and convection, indicating rainfall rates of up to 2 inches per hour in both storms.

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.

Thunderstorms in Beatriz show strengthening toward hurricane status

Tropical Storm Beatriz is strengthening towards hurricane status, according to NASA satellite imagery, which revealed powerful thunderstorms and cloud tops cooling. The storm is expected to bring excessive rainfall, life-threatening flash floods, and mudslides to southwestern Mexico.

NASA sees the low that won't quit: System 94L

System 94L is making slow progress in a north-northeasterly direction, bringing clouds to eastern Cuba and the Bahamas. A 60% chance of showers and thunderstorms is forecast for the Bahamas as the low approaches, with a northeasterly track expected over the weekend.

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Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Atlantic hurricane season sticks to the calendar: System 93L

A low-pressure area, System 93L, has formed off the North Carolina coast and is now located off northeastern Florida. The storm is expected to move over northern Florida later today, bringing scattered strong thunderstorms and isolated thunderstorms to the region.

2 NASA satellites see Typhoon Songda weaken and move past Japan

Typhoon Songda weakened to a depression with maximum sustained winds near 30 knots (34 mph/55 kmh) as it moved northeast at 26 knots (30 mph/48 kmh). The NASA satellites provided crucial forecast insights into the storm's behavior, capturing its rainfall totals and wave heights.

NASA infrared satellite sees severe weather in northwest Georgia

A NASA infrared satellite captured a powerful storm system over northwestern Georgia, revealing very strong thunderstorms with icy cold cloud tops. The Atmospheric Infrared Sounder (AIRS) instrument measured cloud top temperatures as cold as -63 Fahrenheit/-52 Celsius, indicating the potential for intense rainfall and damage.

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.

The role of bacteria in weather events

Researchers have discovered a high concentration of bacteria in the center of hailstones, indicating that airborne microorganisms may play a role in weather events. The study suggests that biological particles, such as bacteria, can act as ice nuclei, catalyzing ice formation at temperatures near -2 degrees Celsius.

Clouds, a weapon against climate change?

Researchers discovered key bacterial genes influencing sulfur gas flux from seawater, impacting cloud formation. This finding helps evaluate the impacts of climate change on cloud manipulation as a potential method to mitigate global warming.

NASA mission seeks to uncover a rainfall mystery

Scientists use a field campaign to study convective clouds and their role in generating significant rainfall. The Mid-latitude Continental Convective Clouds Experiment (MC3E) combines data from various sources to better understand precipitation physics and improve satellite algorithms.

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.

GOES-13 satellite animation shows US severe storms and tornado outbreak

The GOES-13 satellite captured images of a powerful weather system that triggered severe weather in the southern US, resulting in 243 tornadoes across 13 states. The National Weather Service confirmed EF3 and EF2 tornadoes with wind speeds up to 160mph, causing widespread damage and power outages.

Brookhaven storm experts head to Oklahoma

Scientists from Brookhaven National Laboratory are heading to Oklahoma to take atmospheric measurements and improve global climate models. The six-week study will provide the most complete characterization of convective cloud systems ever obtained, enabling more accurate representation of these processes in climate models.

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.