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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

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Deaths attributed directly to climate change cast pall over penguins

A 27-year study found that climate change is a major cause of chick death in Magellanic penguin colonies, with an average of 65% of chicks dying per year. The rising frequency of storms and heatwaves is particularly detrimental to young penguins, who struggle to regulate their body temperature.

New monitoring technique reveals endangered animals

A new recording system at the University of Southern Denmark has revealed two bat species not believed to live in the area, including Nathusius' pipistrelle and the Danish pond bat. The monitoring system also found that bats often fly in the rain and their activity slows down when weather is clear and cool.

Meta Quest 3 512GB

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

Get used to heat waves: Extreme El Nino events to double

Scientists predict a doubling of extreme El Nino events as the world warms, leading to increased heat waves and droughts. The research found that the eastern Pacific Ocean will warm, causing massive changes in global rainfall patterns.

NASA tracks soggy System 94S over Western Australia

NASA's Terra satellite tracked System 94S, a tropical low, moving inland from the Northern Territory into Western Australia. The system brought heavy rainfall to the region, exceeding 50mm at Sturt Creek in the Interior Region.

NASA satellite imagery shows some punch left in System 94S

System 94S continues to track over Western Australia and the Northern Territory, with NASA's Aqua satellite detecting powerful thunderstorms northwest of the low-pressure center. Heavy rainfall warnings have been issued for the region, with some storms potentially producing heavy rain rates.

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 deadly System 91W still soaking Philippines

System 91W continues to bring floods and heavy rainfall to the central and southern Philippines, causing 31 deaths and 36 injuries. The Joint Typhoon Warning Center predicts a high chance of System 91W becoming a tropical depression within 24 hours.

NASA sees Tropical Cyclone Colin coming 'unwound'

Tropical Cyclone Colin is losing organization and strength due to cooler sea surface temperatures and increased vertical wind shear, with most precipitation occurring on its southern side. The storm is expected to weaken into a cold-core low pressure area in the next couple of days.

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Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Safe havens revealed for biodiversity in a changed climate

A team of researchers from Curtin University has developed an approach to identify potential refugia in declining rainfall environments, essential for conservation efforts. They found that areas with great water run-off below granite outcrops and deeper soil may provide safe havens for biodiversity.

NASA adds up Tropical Cyclone Colin's rainfall rates

Tropical Cyclone Colin is experiencing heavy rainfall, with TRMM satellite data showing rates of up to 2 inches per hour. The storm is moving south-southeast towards cooler sea surface temperatures, which will cause it to weaken.

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.

NASA's TRMM satellite sees powerful storms in Tropical Cyclone Madi

The TRMM satellite spotted powerful storms in Tropical Cyclone Madi, with rain falling at a rate of over 81 mm/hour. The storm's maximum sustained winds dropped to 40 knots after the observation, and it is expected to weaken further as it approaches landfall in southeastern India.

Rising mountains dried out Central Asia, Stanford scientists say

Researchers suggest formation of lesser mountain ranges Hangay and Altai may have driven climate in Central Asia, leading to expansion of Gobi Desert. The new data indicate that rainfall decreased by 50-90 percent over tens of millions of years, contradicting the traditional explanation.

Nikon Monarch 5 8x42 Binoculars

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NASA eyes Tropical Cyclone Madi's rainfall

Tropical Cyclone Madi is expected to make landfall in southern India on December 12. The storm's heaviest rainfall was observed north of its center, with rates reaching up to 2 inches per hour.

Rainfall to blame for decline in Arctic peregrines

A University of Alberta study links rainfall to survival of wild birds in Canada, citing a long-term decline in reproduction for Arctic peregrines. The study found that over one-third of chick deaths were caused by rain, leading to hypothermia and drowning.

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NASA's HS3 hurricane mission called it a wrap for 2013

HS3 gathered data on the Saharan Air Layer, studying its effects on Tropical Storm Gabrielle. The mission also identified a unique hybrid core in a redeveloped storm and measured hurricane Ingrid's heavy rain and strong winds.

Using moving cars to measure rainfall

The project utilizes GPS-equipped cars with varying wiper systems to measure rainfall intensity, offering a promising alternative to traditional rain gauges. By analyzing sensor readings, researchers can create a more extensive network of measurement points, leading to improved flood prediction and prevention.

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.

Rain as acidic as lemon juice may have contributed to ancient mass extinction

Researchers found that sulfur emissions from massive volcanic eruptions could have created widespread acid rain in the Northern Hemisphere, contributing to plant and organism extinctions. The acidity levels reached as low as pH 2 — comparable to undiluted lemon juice — potentially disfiguring plants and stunting their growth.

NASA sees Tropical Cyclone Alessia make landfall near Darwin

Tropical Cyclone Alessia made landfall in northern Australia as a weak storm, with NASA's TRMM satellite capturing mostly light rain and moderate rainfall. The cyclone dissipated quickly after crossing the Northern Territory coast, causing no damages or significant impacts.

Extra-Tropical Storm Melissa spinning into history

Extra-Tropical Storm Melissa has weakened and is headed towards the Azores Islands with sustained winds near 45 knots. The storm's core temperature change indicates a transition from warm to cold, similar to a mid-latitude low-pressure system.

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.

Impacts of plant invasions become less robust over time

A UCSB study found that invasive plants' ecosystem impacts decrease over time, but native species may need additional assistance to recover. Long-term monitoring revealed declining nitrogen mineralization rates and reduced self-reinforcing effects on soil nutrients.

Tropical Cyclone Helen headed for landfall in India

Tropical Cyclone Helen is expected to intensify and make landfall in the coastal plain of Krishna Delta in Andhra Pradesh, India. The storm's track is predicted to shift westward due to a mid-level subtropical ridge, with forecasters warning fishermen to return to shore.

Framework could improve southeast rainfall forecasts

Researchers developed a new statistical model to forecast summer rainfall in the Southeast, identifying key climate factors that influence rainfall intensity. The three-cluster finite normal mixture model improves accuracy for seasonal predictions.

NASA's TRMM satellite sees Melissa's tropical transition

NASA's TRMM satellite monitored Tropical Storm Melissa's transition to a tropical storm, revealing intense rainfall rates of up to 55 mm/hour. The satellite's Precipitation Radar data also showed the storm's structure, including towering convection near its center.

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Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Tropical Cyclone 04B forms in northern Indian Ocean

Tropical Cyclone 04B is a rapidly intensifying storm with moderate rainfall and broken bands of thunderstorms. The cyclone is expected to track slowly westward before making landfall in southern India, where it may bring significant impacts.

Paths out of uncertainty

The study reveals that natural fluctuations in the climate system are the primary cause of differences in short and medium-term projections. Despite this, researchers have found ways to make predictions about local climate extremes for certain regions and large areas, highlighting the importance of considering regional variability.

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 re-awakening of ex-Depression 30W in a different ocean

Ex-tropical storm 30W has re-developed into a low-pressure area near Chennai, India, with heavy rainfall and thunderstorms expected to make landfall within the next two days. The system is moving west-southwest at 9 knots per hour, bringing up to 10 inches of rain to northern Tamil Nadu and southern Andhra Pradesh.

NASA satellites see Cyclone 03A make landfall in Somalia

Cyclone 03A made landfall in east central Somalia on Nov. 11 with sustained winds of tropical-storm force, before moving inland where it is dissipating over eastern Ethiopia. NASA satellites captured images of the storm before and after landfall, showing concentrated thunderstorms around its center.

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's TRMM satellite sees Super-typhoon Haiyan strike Philippines

The NASA TRMM satellite captured detailed data on Super-typhoon Haiyan before it struck the Philippines, revealing sustained winds of up to 195 mph. The storm's extreme power was showcased in the satellite imagery, with a well-defined eye surrounded by moderate rain and multiple rainbands.

NASA investigates Typhoon Haiyan's intense rainfall

Typhoon Haiyan is intensifying quickly as it moves through the Philippine Sea, with rainfall rates reaching up to 50-60 mm/hour near the center. NASA's TRMM satellite provided data on the storm's northeastern quadrant, revealing some thunderstorms reached heights of over 10 km.

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.

2 satellites see new Eastern Pacific tropical depression form

A new tropical depression formed in the Eastern Pacific Ocean on November 1, with NASA's TRMM satellite detecting moderate rainfall and NOAA's GOES-West satellite capturing cloud extent. The depression is expected to strengthen and become a tropical storm by the weekend.

Geoengineering the climate could reduce vital rains

A new study finds that geoengineering approaches to mitigate global warming could result in reduced rainfall and snowfall worldwide. The research suggests that these techniques would not only fail to address the root problem of climate change but also have unintended consequences, such as altered regional precipitation patterns.

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.

NASA sees Tropical Storm Raymond fading fast

Tropical Storm Raymond's maximum rainfall intensity was only about 33.6mm/hour, and its winds weakened to near 50mph/85kph on Oct. 29. The storm is expected to become a remnant low in a day or so due to cooler ocean temperatures and southwesterly wind shear.