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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

Typhoon Sanvu had a bad weekend

Typhoon Sanvu transformed into an extra-tropical storm due to cooler sea surface temperatures and wind shear, weakening it significantly. The storm passed Chichi Jima island on May 27, with most rainfall pushed to the northeast of its center.

NASA sees Hurricane Bud threaten western Mexico's coast

Hurricane Bud is expected to make a quick landfall in western Mexico before turning back to sea, bringing heavy rainfall and severe flooding to the region. The storm's slow movement may result in life-threatening flash floods and mudslides as it moves over Mexico's rugged coastal terrain.

Apple iPhone 17 Pro

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

NASA sees Tropical Storm Sanvu continue to intensify

Tropical Storm Sanvu continues to intensify under NASA observation, with wind speeds reaching over 60 knots and heavy rainfall wrapping around its northeastern side. The storm's center is predicted to form an eye, energizing the core of the storm with powerful thunderstorms.

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.

Alberto now a tropical depression, seen by NASA

Alberto weakened from a tropical storm to a tropical depression as seen by NASA's Aqua satellite. The National Hurricane Center expects it to continue moving northeast and speed up, eventually becoming a post-tropical remnant low pressure area.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Earth's water cycle intensifying with atmospheric warming

Australian scientists detected changes in ocean salinity, indicating an acceleration in the global rainfall and evaporation cycle. The water cycle has strengthened by four percent from 1950-2000, with high rainfall regions becoming wetter and arid areas drier due to global warming.

Dry heat increases bark beetle bite

A new study found that rising temperatures and reduced rainfall in European Alpine spruce forests led to more frequent and severe bark beetle attacks. The study suggests that sustainable forest management strategies are necessary to mitigate the impact of climate change on these ecosystems.

NASA goes on top of the Smokies, all covered in light rain

Scientists from NASA's Precipitation Measurement Missions discovered that light rain makes up 50-60% of total precipitation in the region, contributing to freshwater resources. The study used satellite data and ground-based instruments to validate measurements and make new discoveries.

Research is ensuring stormwater systems are designed for the future

Researchers at Kansas State University are updating rainfall distribution data to provide a more accurate benchmark for engineers designing stormwater systems. The study found that the state is experiencing more rain across its entire area, with more intense storms in the southeast region.

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.

Why does simply trusting your feelings lead to much better predictions?

A study by Michel Tuan Pham, Leonard Lee, and Andrew T. Stephen found that individuals who trusted their feelings were better able to predict future events than those with less trust. The 'emotional oracle effect' was proven across various predictions, including weather, stock market movements, and movie success.

Is rainfall a greater threat to China's agriculture than warming?

New research reveals that rainfall has a greater impact on China's agriculture than rising temperatures. The study, published in the Journal of the Science of Food and Agriculture, found that maize is sensitive to warming but not as affected by rainfall variability as previously thought.

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.

Climate model to predict malaria outbreaks in India

Researchers are developing a climate model to predict malaria outbreaks in India by identifying areas at risk of heavy monsoon rainfall. The model aims to inform early intervention methods and prevent the spread of malaria, reducing economic and health impacts.

NASA sees Typhoon Pakhar headed for Vietnam landfall

Typhoon Pakhar is intensifying over the South China Sea, bringing moderate to heavy rainfall of about 35 mm/hr near its southwestern side. Forecasters expect the storm to peak near 80 knots before landfall in Vietnam on April 1, with typhoon-force winds and rough coastal conditions.

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.

Weather records due to climate change: A game with loaded dice

Recent extreme weather events show a clear link to global warming, according to a new analysis of scientific evidence. The study found that warming temperatures lead to more frequent heatwaves and heavy rainfall, but the relationship with storms is less clear.

NASA sees more severe weather over eastern Texas, Oklahoma

A stalled frontal system is generating severe weather in eastern Texas and Oklahoma, with cloud top temperatures of up to -63.6°F detected by NASA's Aqua satellite. The National Weather Service has issued flood warnings for the region due to heavy rainfall and isolated thunderstorms.

A new pipewort species from a unique, but fragile habitat in India

A new species of pipewort has been discovered in the foot hills of the Western Ghats, a unique and fragile habitat. The discovery highlights the importance of conserving this area, which is under threat from population growth, infrastructure development, and uncontrolled tourism.

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 satellite sees tropical storm Lua's rainfall

Tropical Storm Lua formed in the Indian Ocean off Australia's northwestern coast, causing moderate rainfall and strong thunderstorms. The storm prompted a Cyclone Watch from Cape Leveque to Mardie, Western Australia, and is expected to strengthen into a cyclone before landfall.

NASA's TRMM satellite sees hot towers in Cyclone Koji

The TRMM satellite's Precipitation Radar instrument provided a three-dimensional profile of precipitation up to 20km height, revealing powerful storm towers around the storm's center reaching 15km. Tropical Storm Koji was predicted to strengthen into a hurricane with peak winds of 70kts, but will weaken soon after.

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 satellites see Tropical Storm Irina getting loopy

Tropical Storm Irina is making a unique cyclonic loop in the Mozambique Channel, driven by weather systems pushing it in different directions. NASA satellites have been tracking rainfall and cloud top temperatures, showing heavy rainfall and strong thunderstorms in the southern half of the storm.

GPM microwave imager instrument for NASA and JAXA mission arrives at Goddard

The GPM mission, a joint effort between NASA and JAXA, aims to improve climate, weather, and hydrological predictions by providing accurate precipitation measurements from space. The GMI instrument will play a crucial role in measuring precipitation and environmental forecasting, particularly during extreme weather events.

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.

Rain-soaked Madagascar again threatened by Cyclone Giovanna

Cyclone Giovanna re-strengthening and turning back toward southeastern Madagascar, bringing heavy rainfall and strong winds. The storm's passage in February 2012 caused significant flooding and reported deaths, with the eastern coast receiving over a foot of rainfall.

NASA sees Tropical Cyclone Jasmine near Tonga

Tropical Cyclone Jasmine is lingering near Tonga, causing gusty winds and heavy rainfall on the islands. The cyclone's strongest thunderstorms and heaviest rainfall are concentrated in its northeastern quadrant.

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.

AGU: Journal Highlights Feb. 14 2012

Researchers found evidence supporting the single-water-source hypothesis for Yellowstone's geysers, suggesting a common source of subsurface water. Additionally, gravity waves in the Martian mesosphere were linked to the formation of carbon dioxide clouds, which could impact global climate models.

NASA's TRMM satellite sees Cyclone Jasmine in 3-D

Cyclone Jasmine was classified as a powerful category 4 cyclone with wind speeds of 132 mph, but was weakening due to cooler waters and drier air. A 3D image created from TRMM data revealed the eye's funnel-shaped surface and intense thunderstorms dropping rain at over 2 inches/hr.

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 sees cyclone Jasmine's power and new eye

Cyclone Jasmine has developed a new eye with strongest thunderstorms near the center, causing heavy rainfall in New Caledonia and Vanuatu. The cyclone's maximum sustained winds reached 115 mph near New Caledonia, prompting warnings for the region.

NASA watches a Gulf Weather system for unusual subtropical development

A low-pressure area in the Gulf called System 90L is being watched for possible development into a subtropical depression, although chances are now considered slim. The system is expected to bring widespread heavy rainfall and gusty winds to northern Cuba, the Florida Keys, and south Florida.

NASA's GCPEx mission: What we don't know about snow

NASA's GCPEx mission aims to improve snow detection from space to better understand snow dynamics and its impact on climate cycles. The team faces challenges in distinguishing between rain and snow due to the variety of snowflake shapes and sizes.

New GEOLOGY articles online Jan. 23

Researchers examine the link between climate warming and mass extinctions, revealing a direct consequence of Siberian trap volcanism. They also document land-based magnetic lineations similar to those found in sea-floor spreading centers and provide evidence for river drainage system rearrangement linked to ancient civilizations.

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.

New computer model explains lakes and storms on Titan

Researchers at California Institute of Technology developed a computer model that explains the distribution of clouds, lakes, and rainstorms on Titan. The model attributes these phenomena to the interaction between sunlight, atmospheric circulation, and methane reservoirs on the surface.

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.

Weather deserves medal for clean air during 2008 Olympics

Scientists found that rain and wind contributed significantly to reducing pollution levels in Beijing during the 2008 Summer Olympics. Emission controls implemented by Chinese officials were complemented by natural factors, highlighting the importance of regional-scale controls to achieve long-term reductions.

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 eyes power in Tropical Storm Washi, warnings in the Philippines

Tropical Storm Washi is expected to make landfall in Surigao del Sur early tomorrow afternoon and will bring heavy rainfall and gusty winds to the region. Residents are advised to prepare for the storm's arrival, as it has been classified as a Category 1 tropical cyclone with maximum sustained winds near 35 knots.

Model shows how façade pollutants make it into the environment

Researchers at EPFL develop mathematical tool to model flow of biocides from building façades into river basins, revealing high concentrations of pollutants. The model accurately predicts peak levels of three common biocides, highlighting the need for stricter regulations and reducing dependency on expensive testing.

NASA sees Tropical Storm Alenga intensifying

Tropical Storm Alenga is strengthening due to warm sea surface temperatures and low wind shear, with maximum sustained winds reaching up to 63 mph. The storm is forecast to continue intensifying before encountering strong westerly wind shear and weakening.

Computer simulations shed light on the physics of rainbows

Researchers at UC San Diego have developed a new method for simulating rainbows, including primary, secondary, and twinned rainbows, using improved models of light interaction with water drops. The study provides an almost complete picture of how rainbows form, shedding new light on their physics.

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's TRMM satellite sees the power in Tropical Storm Alenga

Tropical Storm Alenga formed in the Indian Ocean, with NASA's TRMM satellite capturing heavy rainfall rates over 50 mm per hour. The storm is expected to intensify before weakening again as it becomes an extra-tropical storm, moving into a hostile environment.

Global winds could explain record rains, tornadoes

A study proposes a common root for record-breaking rainfall and historic tornado outbreaks in the US. Researchers link these events to a rare coupling between polar and subtropical jet streams originating in the western Pacific. This phenomenon, known as a 'superjet,' can carry twice as much energy as typical jet streams.

New insight into climate change in the Pacific

The report presents the most comprehensive scientific analysis of climate change in the Pacific region, indicating warmer temperatures, ocean acidification, and increased extreme weather events. Future projections suggest decreased droughts and tropical cyclone frequencies, but increased extreme rainfall and sea-level rise.