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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

Gold Pan Complex Fire

The Gold Pan Complex Fire in Idaho burned 17,103 acres of mixed conifer forest, fueled by dead trees and insects like the mountain pine beetle. High temperatures trapped smoke in valley bottoms.

Apple iPhone 17 Pro

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

Removing orbital debris with less risk

The study compares in-orbit debris removal options, considering their potential risk of creating new debris or disabling working satellites. Inflatable drag enhancement devices are found to have the lowest risk, while electromagnetic tethers pose a high risk for disabling operational satellites.

NASA-NOAA's Suomi NPP satellite sees a fading Felleng

NASA-NOAA's Suomi NPP satellite captured a night-time image of extra-tropical cyclone Felleng, showing clouds and precipitation pushed east and southeast due to wind shear. The storm has completed its transition and is expected to dissipate in the next couple of days.

NASA's NPP satellite undergoing flight environmental testing

The NASA National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project (NPP) climate/weather satellite is successfully completing flight environmental testing. The five-instrument suite will provide continuity of climate observations and enhance weather forecasting capabilities.

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 and NOAA's environmental satellite now GOES-15

The latest weather satellite, GOES-15, reached its proper orbit after a flawless launch and will undergo checkout in mid-August 2010. The satellite is expected to capture the first visible image on April 5 and provide weather observations covering over 50% of the Earth's surface.

Next generation weather/environmental satellite marks major milestone

The Visible Infrared Imaging Radiometer Suite (VIIRS) has been delivered and will be integrated onto the NPP spacecraft, providing highly detailed imagery of clouds, vegetation, and environmental phenomena. The NPOESS Preparatory Project aims to extend the time series environmental data records initiated with NASA's Earth Observing Sys...

NASA global precipitation measurement mission passes major review

The GPM mission will provide uniformly calibrated precipitation measurements globally every 2-4 hours for scientific research and societal applications. The mission builds on the success of TRMM and includes a Dual-frequency Precipitation Radar (DPR) and a multi-channel GPM Microwave Imager (GMI) to improve precipitation estimates.

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's aura satellite sheds new light on air quality and ozone hole

Aura is providing unprecedented spatial resolution to monitor global pollution production and transport, offering new insights into climate changes and the recovery of the Earth's protective stratospheric ozone layer. The satellite's instruments study tropospheric chemistry and provide daily global monitoring of air pollution.

NASA plans to put an Aura around the Earth

Aura will provide unprecedented information on the composition of the atmosphere and its impact on climate change and air quality. The satellite will help scientists understand how atmospheric composition affects and responds to changing climate conditions.

The 'workhorse' satellite celebrates 20 years

The Landsat 5 satellite has exceeded expectations with 100,000 orbits and over 29 million images collected. Its longevity has enabled scientists to develop a comprehensive understanding of the Earth's land surface features.

Global garden grows greener

A comprehensive NASA study found that climatic changes have led to increased plant growth globally over the last two decades. The research, published in Science magazine, attributes the increases primarily to climate change, with lesser contributions from carbon dioxide fertilization and forest regrowth.

Fluke 87V Industrial Digital Multimeter

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

NASA's Earth Observing technology satellite proves a success

The EO-1 satellite has produced over four times the expected volume of imagery, demonstrating the effectiveness of its Hyperion and Advanced Land Imager (ALI) instruments in monitoring Earth's surfaces. These instruments have already proven invaluable in applications such as forestry and agricultural crop assessment.

APL researchers now able to map global space weather

Researchers at Johns Hopkins University Applied Physics Laboratory have developed a system to measure magnetic and electrical fields over large areas of the ionosphere, providing the first continuous monitoring of electric currents between space and the upper atmosphere. The advanced system will enable improved understanding and foreca...

Leonids activities at Marshall make for meteorically successful night

Marshall engineers reported a peak of 1,700 Leonids meteors per hour, confirming the accuracy of computer models used to predict meteor showers. The joint operation center worked well, with representatives from NASA, U.S. Air Force and University of Western Ontario collaborating to ensure safe satellite operations.

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.

FUSE satellite 'go' for launch June 23

The Far Ultraviolet Spectroscopic Explorer (FUSE) will test the Big Bang theory and collect comprehensive observations of the Milky Way's star-forming regions. Launched on June 23 from Cape Canaveral Air Station, the three-year mission marks a first for an academic department in managing a satellite.

Future Directions In Global Change Research

The Terra mission marks a new era in global change research, providing unprecedented data to study climate change. The workshop brings together leading scientists to discuss new findings and challenges in the field.

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.

Satellites May Be Shattered By Invisible Meteors

The Leonid meteor storm may pose a significant threat to satellites due to the high likelihood of invisible meteors. Astronomers predict that most meteors will burn up at low temperatures, making them undetectable.

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.

Interactive Web-Link Provides Real-Time Satellite Weather Images

NASA's Global Hydrology and Climate Center provides real-time geostationary satellite data, enabling users to view weather formations, temperature, winds, and precipitation in various regions. The center offers an interactive viewer with low-resolution animations and on-demand image sequences.

University Of Colorado Satellite Begins Returning Science Data

The University of Colorado's Student Nitric Oxide Explorer (SNOE) satellite is successfully returning science data, measuring nitric oxide in the upper atmosphere and X-rays from the sun. The NASA mission was controlled by students and faculty 24/7, marking the second university-led satellite to be operated.

Return To The Equator

The MAX-Planck-Gesellschaft launched the EQUATOR-S satellite in 1997, after years of development. The spacecraft aims to explore the Earth's magnetosphere and study the aurora borealis, providing valuable insights for the Inter-Agency Solar-Terrestrial Physics Program.

NSF Award Funds Study Of Shape Of Universe

Case Western Reserve University physicist Glenn Starkman has received a four-year, $200,000 NSF grant to study the shape of the universe by mapping temperature fluctuations throughout space. He aims to develop new techniques to detect dark matter, which is believed to comprise much of the mass in the universe.

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.

Do Jet Contrails Add Up To A Cloudy Climate Forecast?

Contrails can indeed influence regional climate due to their potential to increase cloud cover, which can disrupt the radiation balance and affect climate. The study suggests that contrails may be more significant than previously thought due to their ability to modify energy distribution and feed other cloud formation processes.

When Satellites Mislead: Scientists Prescribe Caution

A team of scientists from NCAR analyzed global temperature trends obtained via satellites and surface instruments. They found that satellite data can produce spurious drops due to changes in satellite records, which can mask actual rises in global temperatures.

Global Climate Monitoring: The Accuracy of Satellite Data

A team of NASA scientists disagrees with a recent study suggesting that satellite data shows no warming trend in the Earth's lower atmosphere, while surface temperature data shows a +0.12 deg C/decade increase. The disagreement is largely due to differences between satellite and surface measurements over oceans versus land areas.

NASA Turns Over Satellite Operations To UC Berkeley

UC Berkeley's Center for Extreme Ultraviolet Astrophysics will take over day-to-day operations of the Extreme Ultraviolet Explorer (EUVE) observatory, fostering space science and technology innovation. The transfer aims to reduce costs and increase educational outreach through project-based learning experiences.