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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

NASA's Hubble confirms that galaxies are the ultimate recyclers

Galaxies continuously recycle immense volumes of hydrogen gas and heavy elements, allowing successive generations of stars to form. The process is driven by gas-rich star-forming spiral galaxies that can evolve into elliptical galaxies without star formation.

Assembly stand completed for NASA's Webb Telescope flight optics

The installation of a giant structural steel optical assembly stand marks the transition to the integration and testing phase for NASA's James Webb Space Telescope. The telescope will observe the most distant objects in the universe, provide images of the first galaxies ever formed, and study planets around distant stars.

NASA's Hubble observes young dwarf galaxies bursting with stars

Astronomers have uncovered an extraordinary population of young dwarf galaxies brimming with star formation, forcing a re-evaluation of their understanding of galaxy evolution. These galaxies are estimated to be 9 billion years old and produce stars at rates 100 times faster than the Milky Way.

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 Fermi finds youngest millisecond pulsar, 100 pulsars to date

A team of scientists using NASA's Fermi Gamma-ray Space Telescope has discovered a young millisecond pulsar named PSR J1823−3021A, challenging existing theories about its formation. The discovery pushes the total count of detected pulsars to over 100, with NGC 6624 globular cluster contributing significantly.

Astronomers pin down galaxy collision rate with Hubble data

A new analysis of Hubble surveys and simulations reveals that galaxies gained mass through collisions with other galaxies. Large galaxies merged on average once over the past 9 billion years, while small galaxies coalesced with large ones more frequently.

Ambitious Hubble survey obtaining new dark matter census

Astronomers use Hubble's unprecedented precision to map dark matter in 25 massive galaxy clusters, challenging previous assumptions about its distribution. The survey's findings suggest that galaxy cluster assembly may have begun earlier than previously thought.

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.

Astronomers find elusive planets in decade-old Hubble data

Researchers have found visual evidence for two extrasolar planets in archival Hubble data from 1998, using a novel approach to detect faint planet signals. The discovery allows for the tracking of planetary orbits and provides insight into system stability, mass, and eccentricity.

Tests under way on the sunshield for NASA's Webb telescope

NASA is testing an element of the sunshield that will protect the James Webb Space Telescope's mirrors and instruments during its mission. The sunshield will consist of five tennis court-sized layers to allow the telescope to cool to its cryogenic operating temperature.

Small distant galaxies host supermassive black holes

Astronomers have found supermassive black holes in small distant galaxies, suggesting that central black holes formed early in galaxy evolution. The study used the Hubble Space Telescope to probe the universe and identifies a connection between star formation and active galactic nuclei.

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 Webb telescope completes mirror-coating milestone

The mirrors of NASA's James Webb Space Telescope have completed the coating process with a microscopically thin layer of gold, enabling the telescope to observe extremely faint objects in infrared light. This achievement marks another major success story for the Webb telescope mirrors, ensuring even more scientific discovery potential.

NASA's Hubble makes one millionth science observation

Hubble made its one millionth science observation while analyzing the exoplanet HAT-P-7b's atmosphere, revealing spectroscopic patterns that can indicate water vapor presence. The milestone marks Hubble's continued legacy in characterizing exoplanet atmospheres.

NASA completes mirror polishing for James Webb Space Telescope

The James Webb Space Telescope's mirrors have been polished to accuracies of less than one millionth of an inch, crucial for forming sharpest images in space. The primary mirror, made of Beryllium, will capture light from faint, distant objects faster than any previous space observatory.

Celestron NexStar 8SE Computerized Telescope

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

Hubble sees Pandora's Cluster

The Hubble Space Telescope has captured the complex history of Pandora's Cluster, a giant galaxy cluster resulting from the simultaneous collision of four smaller clusters. The data reveal that dark matter dominates the cluster's mass, with gas making up only 5% of its total mass.

Pandora's cluster

Researchers use gravitational lensing to map dark matter distribution in the cluster, while NASA's Chandra X-ray Observatory observes hot gas. The study reveals a complex collision that separated out hot gas and dark matter, separating them from visible galaxies.

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.

Firestorm of star birth in the active galaxy Centaurus A

The galaxy Centaurus A is home to a firestorm of new star formation triggered by shockwaves from a past collision and merger with another galaxy. Hubble's image reveals the birth of vibrant blue star clusters and compresses hydrogen gas clouds.

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.

Hubble views the star that changed the universe

The Hubble Space Telescope has observed the historic variable star V1, which helped confirm the size of the universe and its expansion. The observations, conducted in collaboration with amateur astronomers, provide new insights into the properties of Cepheid variables and their role in measuring distances to galaxies.

Two kinds of Webb telescope mirrors arrive at NASA Goddard

Two unique types of mirrors, Primary and Secondary EDUs, have arrived at NASA's Goddard Space Flight Center. The mirrors will work together to observe distant galaxies and unexplored planets. The Primary mirror is composed of 18 hexagonal segments, while the Secondary mirror directs light from the Primary mirror to Webb's instruments.

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.

Webb sunshield like an umbrella on the shores of the universe

The James Webb Space Telescope's sunshield is a complex system of five layers, each less than half the thickness of paper, working together to create an effective SPF of 1,000,000. The sunshield unfurls like a giant beach umbrella to protect the telescope and instruments from solar heat and light.

NASA's Hubble rules out 1 alternative to dark energy

Astronomers using NASA's Hubble Space Telescope have recalculated the universe's expansion rate with unprecedented accuracy, ruling out an alternate theory on dark energy. The new measurement reduces uncertainty by 30% and solidifies understanding of cosmic ingredients.

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.

Astronomers find most distant galaxy candidate yet seen

Astronomers have found the most distant galaxy candidate yet seen, about 13.2 billion light-years away, in ultra-deep imaging data from the Hubble Space Telescope. The study reveals a rapid build-up of early galaxies around 480 million years after the Big Bang, with a tenfold increase in star birth rate over 170 million years.

Astronomers identify most distant galaxy cluster

Researchers discovered COSMOS-AzTEC3, a massive proto-cluster 12.6 billion light-years away, formed about one billion years after the Big Bang. The cluster is characterized by extreme bursts of star formation and a massive feeding black hole, indicating it will grow into a modern galaxy cluster.

Meta Quest 3 512GB

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

NASA's Webb telescope's systems engineering evolves

NASA has formed a single systems engineering organization for its James Webb Space Telescope, combining Northrop Grumman's expertise with NASA's mission-level decision-making. The new team aims to streamline communication and decision-making, reducing costs and meeting the launch goal with minimal risk.

NASA awards 3 Robert H. Goddard Awards for Science

Three NASA Goddard Space Flight Center employees, Matt Greenhouse, Randy Kimble, and Alexander Moiseev, received the 2010 Robert H. Goddard Award for Science for their outstanding work in sciences at NASA Goddard. The award recognizes their exceptional achievements in developing instrumentation and analysis methods for premier astronom...

Apple iPhone 17 Pro

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

ESA to set tiny hair-like Webb Telescope microshutters

The European Space Agency has received tiny microshutters, as small as human hair, which will focus the infrared camera on specific targets to the exclusion of others. These microshutters are a key component in the James Webb Space Telescope's ability to observe distant stars and galaxies.

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.

Color it ready -- Webb Telescope instrument now at Goddard

The James Webb Space Telescope's Near-Infrared Spectrograph (NIRSpec) instrument is a key tool for identifying colors and objects in the cosmos. With its micro-electromechanical system, NIRSpec can analyze light from deep space to help scientists determine the age, chemical composition, and distances of faint galaxies.

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.

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.

Mirror testing at NASA breaks superstitious myths

NASA is developing a primary mirror for the James Webb Space Telescope to study the formation of the universe and its solar system. The mirror will be tested at extreme temperatures to simulate space conditions, with data from three different sizes of segments collected during this test.

Astronomers detect earliest galaxies

A team of astronomers has detected a population of compact and ultra-blue galaxies from 13 billion years ago, just 600 to 800 million years after the Big Bang. The newly found objects are crucial for understanding the evolution of the first stars and galaxies.

Hubble finds most distant primeval galaxies

Astronomers using Hubble Ultra Deep Field have discovered the most distant galaxies in the universe, dating back 13 billion years. The findings provide key insights into the formation of galaxies and the early universe.

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.

ESA space telescope with CU-Boulder connection looks back to early galaxies

The Herschel Space Observatory has revealed thousands of newly discovered galaxies in their early stages of formation, providing a detailed view of the universe up to 12 billion years ago. The images are helping astronomers detect distant galaxies that would have been impossible to discover with current ground-based telescopes.

Stars engage in vampirism to look young, hot

Astronomers found two types of blue stragglers that defy aging: those rejuvenated by cosmic collisions and those formed by vampirism. The latter is thought to be caused by a smaller star siphoning hydrogen from its companion, while the former occurs in nearly head-on collisions where stars merge, mixing their nuclear fuel.

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.

First images from Planck space telescope

The Planck space telescope has returned its first images of the sky, mapping tiny differences in microwave radiation left over from the Big Bang. This improved data will allow scientists to better understand the structure of the universe when it was about 400,000 years old and test theories about cosmic inflation.

James Webb Space Telescope begins to take shape at Goddard

The James Webb Space Telescope's Integrated Science Instrument Module (ISIM) has arrived at NASA Goddard for testing, featuring four scientific instruments and a critical cryogenic structure. The ISIM will undergo rigorous qualification testing to ensure its ability to survive space and extreme cold.

NASA tracking and data relay satellite mission passes major review

The TDRS project has received approval to proceed with the implementation phase of its mission, enabling NASA to build more spacecraft needed to support missions. The next milestone is a critical design review scheduled for January 2010, which will examine detailed aspects of the TDRS spacecraft and system.

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.

Keeping a 'trained eye' on the James Webb Space Telescope

Engineers at NASA Goddard and Northrop Grumman are simulating the handling of the telescope's mirror segments, which will be assembled into the Primary Mirror Assembly. The mock-up has already been beneficial in preparing for integration and test operations.

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.