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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

Whiter clouds could mean wetter land

A new study suggests that seeding clouds over the ocean to make them more reflective could actually increase monsoonal rains and cause continents to become wetter on average. This contradicts previous assumptions about the impact of geoengineering schemes on global rainfall patterns.

Expecting Tropical Depression Alex in the Caribbean

System 93L in the western Caribbean has become better organized, leading to a higher chance of forming Tropical Depression Alex. Forecasters expect heavy rainfall and gusty winds affecting the Yucatan Peninsula this weekend.

Apple iPhone 17 Pro

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

NASA's TRMM satellite sees Hurricane Celia's moderate rainfall

The Tropical Rainfall Measuring Mission (TRMM) satellite has observed moderate rainfall around the center of Hurricane Celia, with maximum sustained winds near 105 miles per hour. Celia's wind shear is expected to relax in the next 24 hours, allowing it to strengthen into a Category Three hurricane.

NASA watching System 94L over Lesser Antilles for development

System 94L is a strong tropical wave associated with heavy showers and thunderstorms, moving west-northwestward over the Lesser Antilles. NASA closely monitors its development, forecasting a low chance of 20% that it will become a tropical cyclone within the next 48 hours.

NASA's TRMM Satellite sees Tropical Depression 2-E dissipating

Tropical Depression 2-E had dissipated off the coast of Mexico by June 18, with NASA's TRMM Satellite revealing waning rainfall and moderate ocean precipitation. The depression's maximum sustained winds were near 30 mph, and its minimum central pressure was 1008 millibars.

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.

Flower power makes tropics cooler, wetter

New climate simulations published in Proceedings of the Royal Society B demonstrate flowering plants' crucial role in regulating climate in ever-wet rainforests. Replacing these plants with non-flowering varieties leads to significant decreases in rainfall, underscoring their importance in maintaining tropical ecosystems.

Celestron NexStar 8SE Computerized Telescope

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

Like the writer, Agatha was a brief mystery

Tropical Storm Agatha made landfall in El Salvador and Guatemala, and its remnants are now tracked by NASA. The National Hurricane Center reports a near-zero percent chance of reorganization, solving the forecasting mystery.

Agatha drenches Guatemala and El Salvador, remnants now in Caribbean

Tropical Storm Agatha brought heavy rains to El Salvador and Guatemala, causing over 100 deaths and forcing 70,000 people to evacuate. The storm's remnants have entered the northwestern Caribbean Sea with only a 10% chance of reforming into a tropical cyclone due to unfavorable atmospheric conditions.

Geologist: Fla. ridges' mystery marine fossils tied to rising land, not seas

Researchers have found that marine fossils in Florida's sandy ridges are tied to the land's uplift, rather than rising sea levels. The process is driven by a combination of weather patterns and geology, including karstification and isostatic rebound. As a result, some ridges have been preserved with their ancient marine fossils intact.

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's TRMM sees heavy rainfall in Cyclone Laila's India landfall

TRMM measured intense rainfall rates near the center and along the Indian coastline, generating storms with hot towers extending up to 14.5 kilometers high. Cyclone Laila's maximum sustained winds reached 50 knots at landfall, prompting forecasts of heavy rainfall, gusty winds, and rough seas for affected regions.

Where there's smoke ...

A new study by Tel Aviv University researchers reveals that pollution can significantly alter thunderstorm intensity, leading to changes in local weather patterns and rainfall. The study used lightning patterns as a quantitative measure of the impact of air pollution on cloud development over large areas.

91S becomes Tropical Cyclone 24S as NASA's TRMM captures its rainfall

Tropical Cyclone 24S has strengthened to tropical storm strength with maximum sustained winds near 35 knots, located 570 nautical miles north of Learmonth, Australia. TRMM's rainfall rates indicate areas of light to moderate rainfall, with the storm forecast to intensify before weakening due to increased wind shear.

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.

AGU journal highlights -- April 12, 2010

Research papers published in Geophysical Research Letters reveal changing precipitation patterns in Europe, increased gully activity on Mars indicating liquid water, and thick water ice observed in lunar craters near the Moon's north pole. These findings suggest potential impacts on flooding and climate change.

Tropical Storm Robyn nested away from land

Tropical Storm Robyn formed in the Southern Indian Ocean on April 2, with maximum sustained winds near 60 knots. The storm's strong thunderstorms and heavy rainfall are safely nested over open waters, but it is expected to weaken over the next three days due to higher vertical wind shear.

Tropical Storm 23S born in Southern Indian Ocean

Tropical Storm 23S has formed over the Southern Indian Ocean with maximum sustained winds of 39 mph. The storm is expected to strengthen and intensify over the weekend before being affected by a mid-latitude trough, potentially weakening it.

Not so fast! Andes rise was gradual, not abrupt

New research suggests the Andes rose gradually, not abruptly, due to changes in oxygen isotopes and rainfall patterns. Climate modeling experiments supported this conclusion, indicating that increased precipitation rates caused the ratio of oxygen-18 to oxygen-16 to decrease.

Fluke 87V Industrial Digital Multimeter

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

TRMM measures Cyclone Paul's rainfall from space

Cyclone Paul intensified slowly and became a Category 2 cyclone with wind gusts of up to 140 kph. TRMM data showed a deep convective tower penetrating up to 9 miles high, associated with intense rain in the northwestern eyewall.

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.

Helium rain on Jupiter

Researchers discovered a layer where helium condenses into droplets, allowing neon to dissolve and fall towards the planet's interior. This phenomenon explains the observed lack of neon in Jupiter's upper atmosphere.

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.

Tomas moving away from Fiji Islands after causing damages

Tomas, a Category One cyclone, caused widespread destruction in north and east Fiji with winds near 109 mph and storm surges. The storm is now moving southeast, weakening due to cooler waters, and transitioning into an extra-tropical storm.

Hubert's remnants still raining on southern Madagascar

NASA's Aqua satellite revealed strong thunderstorms in Hubert's remnants, which continue to bring heavy rainfall and gusty winds to southeast and south-central Madagascar. Residents can expect moderate to heavy rainfall over the next couple of days.

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.

In a wink, the TRMM satellite sees Gelane's smaller eye

The TRMM satellite has observed a significant decrease in the diameter of Tropical Cyclone Gelane's eye, now measuring approximately 10 nautical miles. Heaviest rainfall is located in the southwest quadrant of the eye, with rain rates reaching up to 2 inches per hour.

Cyclone Rene slams Tonga, moves into open waters

Tropical Cyclone Rene brought maximum sustained winds near 100mph, causing power outages and heavy rainfall to Nuku'alofa. The storm is now moving over cooler waters, leading to its expected dissipation in the next couple of days.

Brown biologist solves mystery of tropical grasses' origin

Researchers compiled database of 1.1 million grass species and found 18 out of 21 transition nodes between C3 and C4 grasses were linked to changes in precipitation. This discovery challenges previous understanding that warmer temperatures were the primary driver of C4 grasses' evolution.

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.

Now a hurricane, Oli passing Bora Bora

NASA's Aqua satellite captured infrared images of Oli as it passed by, revealing better organization and a well-defined eye. Infrared imagery showed deep convection over the storm's center, with waves 20 feet high in the open ocean.

Tropical Storm Oli kicking up waves in South Pacific

Tropical Storm Oli is a large storm with high thunderstorm cloud tops and strong winds near 52 mph, affecting the islands of Bora Bora and Raratonga. The storm is expected to move southeast and pass between the islands in the next couple of days.

Olga now raining on third of 5 Australia territories

Australians in New South Wales Territory face heavy rainfall and potential flooding due to Tropical Cyclone Olga's remnants. The region is expected to experience widespread moderate to heavy rainfall over the next couple of days.

2 NASA satellites see TD11S going extra-tropical

NASA's TRMM and Aqua satellites observe TD11S's rainfall patterns and temperatures, indicating it is becoming extra-tropical. The storm's center is fully exposed from the west, making it susceptible to drier air or wind shear that can weaken it.

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.

Tropical Storm Nisha being battered by wind shear

Tropical Storm Nisha is experiencing light-moderate rainfall and moderate vertical wind shear, weakening the storm. It is forecast to move slowly eastward and dissipate over the latter half of the weekend.

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.

Tropical Storm Magda puts North Western Australian on alert

Tropical Storm Magda is expected to bring gusty winds of up to 93 mph and heavy rainfall to coastal areas in North Western Australia. The storm's center is predicted to make landfall on January 22, with the potential for flooding in low-lying areas.

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.

Tropical depression 01W fading over Vietnam and Cambodia

The Tropical Rainfall Measuring Mission (TRMM) satellite reported that Tropical Depression 01W's rainfall is now light and widely scattered. The storm has made landfall and is dissipating over Vietnam and Cambodia, bringing light rain to some areas.

NASA satellite sees Tropical Storm Edzani becoming extra-tropical

Tropical Storm Edzani is undergoing significant changes, with its rainfall confined to the southeast and a fully exposed low-level circulation center. The storm is elongating due to strong westerly winds, eventually transitioning into an extra-tropical storm and moving safely away from land areas.

NASA satellite sees rainfall in ebbing Edzani

The TRMM satellite captured a clear picture of Tropical Storm Edzani's current state, revealing heavy rainfall on the eastern side and minimal convection on the western side. The storm is weakening and transitioning into an extra-tropical storm, but forecasters are monitoring its movement back over warmer waters for possible regeneration.

NASA's TRMM satellite measures Cyclone Laurence's heavy rainfall

Cyclone Laurence dropped heavy rainfall over northwest Australia, with the heaviest totals exceeding 450 mm near Cape Bougainville. The Australian coast also experienced high rainfall totals, with areas along the coast receiving over 150 mm of rain from the cyclone.

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.

Tropical Cyclone Laurence menaces Northern Australia

Tropical Cyclone Laurence made landfall in northern West Australia as a Category 2 hurricane, but its winds are waning, and it is expected to weaken further. The storm's maximum sustained winds near 103 mph (90 knots) were revealed by TRMM's Precipitation Radar instrument.

Warming climate chills Sonoran Desert's spring flowers

Research reveals global warming favors the growth of cold-hardy winter annuals in the Sonoran Desert, shifting climate change's impact on plant species. Cold-adapted species, such as popcorn flower and red filaree, are becoming more common due to the delayed onset of winter rains.

Irrigation decreases, urbanization increases monsoon rains

Monsoon rainfall has decreased over the past 50 years in rural areas with increased irrigation in northern India, while urban areas have seen an increase in heavy rainfall. This shift is attributed to landscape changes and cooling effects on low-pressure systems necessary for monsoons to progress.

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.

TRMM sees 05B winding down off the Sri Lanka coast

The TRMM satellite captured rainfall data on Tropical Depression 05B, showing a large area of rainfall near the storm's center. The system has weakened into a tropical depression, with cloud heights dropping over time.

Tropical Cyclone 05B forms southeast of Chennai, India

Tropical Cyclone 05B has formed in the Northern Indian Ocean, expected to approach southeastern India and make landfall on Monday, December 14. The storm is forecast to intensify due to low wind shear, but may be impacted by a zonal jet stream.