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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

Contour mission gets to the 'heart' of comet diversity

The CONTOUR mission will examine the 'heart' of comets, exploring their composition and dynamics through high-resolution images and gas analysis. The four-year mission will visit two comets, Encke and Schwassmann-Wachmann 3, and potentially a new comet in the outer solar system.

NASA spacecraft provides critical link in Sun-Earth chain

The NASA spacecraft TIMED observes the global reaction of the upper atmosphere to solar activity, helping scientists understand why some solar events have significant geospace impact. Preliminary data from TIMED will be featured at the Spring 2002 American Geophysical Union meeting, May 31, in Washington, D.C.

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 Mercury Orbiter mission passes major milestone

The MESSENGER project has passed a critical design review and is ready to move forward with building its spacecraft. The spacecraft will study Mercury's composition, geologic history, and magnetosphere over a one-year orbit, providing valuable insights into the inner solar system.

Virginia Tech engineer designing smarter, more robust unmanned vehicle

A Virginia Tech engineer is developing advanced control systems for unmanned underwater vehicles to perform complex maneuvers, such as evasive actions and tracking El Niño boundaries. His research aims to create protected controls mechanisms for long-duration autonomous operations in the ocean.

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 TIMED spacecraft begins data collection

The TIMED spacecraft is beginning its two-year science mission to study the influences of the sun and humans on the least explored portion of Earth's atmosphere. The mission will provide a global picture of this critical region, enabling future 'space weather' predictions.

Thrusters precisely guide EO-1 satellite in space first

Engineers have demonstrated the precision attitude control capability of NASA's Pulsed Plasma Thruster (PPT) on board the EO-1 satellite, making it the first time this technology has been used. The PPT is a fuel-efficient system that uses electromagnetic forces to propel a spacecraft, offering potential benefits for future space missions.

NASA challenges teachers and students to comet contest

The Cornell and Contour Comet Challenge encourages students and teachers to create educational programs about the spacecraft's goal to study comets. The challenge includes two winning teams that will receive a trip to Kennedy Space Center and educational materials.

NASA taps JHU/APL team for first Pluto/Kuiper Belt mission

The Johns Hopkins University Applied Physics Laboratory (APL) has been selected by NASA to develop the first mission to explore Pluto and the Kuiper Belt region. The New Horizons: Shedding Light on Frontier Worlds mission will use a team of scientists and engineers from various institutions to design, build, and operate the spacecraft.

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.

Mirror, mirror on the ball...

The Starshine Satellite Project involves students from Pakistan, New Zealand, Brazil, and India polishing thousands of mirrors to help calibrate The Fence, the Navy's space surveillance network. Once launched, students will be able to track the satellite's movement as it passes across the skies.

World's smallest self-propelled satellite nearly ready for Air Force, NASA

The Dawgstar nanosatellite will conduct scientific research on the Earth's ionosphere and perform precision formation flying experiments with two companion satellites. Students played a primary role in designing and building the compact piece of space hardware, gaining hands-on experience for future space endeavors.

Mars Odyssey satellite provides link for Rover in 2003

The Mars Odyssey spacecraft has entered into orbit around Mars, providing a key communications link for the Mars Exploration Rover (MER) mission. The two Rovers will be able to upload data on mineral and element composition of rocks and soils to a state-of-the-art communications package.

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.

New NEAR movie features footage from a landing spacecraft

A new movie from NASA's Near Earth Asteroid Rendezvous (NEAR) mission showcases the final moments of the NEAR Shoemaker spacecraft's yearlong orbit at asteroid 433 Eros. The minute-long video, produced by imaging team member Mark Robinson, offers a close-up view of the asteroid's varied terrain and features.

Virtual reality helps astronauts adapt to life in space

A virtual-reality training tool is being developed to help astronauts learn techniques for navigating complex spacecraft and maintaining orientation in microgravity environments. The device tests users' ability to maintain spatial awareness and navigate through various modules.

NEAR Shoemaker primed for final weeks in orbit

The NEAR Shoemaker spacecraft will embark on a series of low-altitude passes over asteroid 433 Eros from Jan. 24 to Jan. 28, gathering detailed images of the surface. The controlled descent, set for Feb. 12, aims to capture high-resolution close-ups of Eros' cratered landscape.

Stardust prepares to pick up speed from Earth's gravity

The Stardust spacecraft is set to receive a gravity boost from Earth, lengthening its orbit and setting it on course for a rendezvous with comet Wild 2. The spacecraft will capture particles being boiled off the comet's surface by solar heating.

NASA space technology shines light on healing

Researchers have found that near-infrared light from LEDs accelerates wound healing in patients with diabetic skin ulcers, serious burns, and severe oral sores. The treatment uses a portable device emitting LED lights, which promote energy inside cells, leading to faster healing times.

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.

NEAR Shoemaker closes in for unprecedented view of asteroid

The NEAR Shoemaker spacecraft will swoop in for a record-breaking view of asteroid Eros, collecting data and images from just 5.3 kilometers above the surface. The low-altitude flyover will provide detailed information on the asteroid's shape and surface features.

Spacecraft readies for record low pass over asteroid

The Near Earth Asteroid Rendezvous (NEAR) mission has successfully executed the first of three orbital correction maneuvers to bring its spacecraft closer to asteroid Eros. The spacecraft will make a gradual pass within 4 miles of the asteroid's surface, gathering high-resolution images and data on the asteroid's structure.

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.

MIT experiment is first aboard International Space Station

The MACE-II experiment, launched on September 8 aboard the space shuttle Atlantis, will test techniques for predicting motion and controlling vibrations in zero gravity. With multiple months of testing, researchers will interact with the experiment remotely to refine its performance.

Technical exposition to highlight new X-vehicles

NASA's X-34 and X-40A vehicles will be showcased at the Reusable Launch Vehicle (RLV) Technology Exposition, highlighting the X-37 Project and its related technologies. The event will provide an opportunity for industry representatives to learn about the program and its benefits.

'Lying' gets space-age results

A U of T engineer has devised a method to control vibrations in robots assembling or repairing objects in outer space. By entering a 'corrected' equation into the system, scientists can reduce deformations and complete tasks more quickly.

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.

The Jovian dust streams: Io's volcanoes drizzle dust into the solar system

A team of scientists identified Io as the dominant source of the Jovian dust streams, which are high-rate bursts of submicron-sized particles. The particles' motion is strongly influenced by Jupiter's magnetic field, providing a unique signature that could only be present if Io were the dominant source.

Best images yet of Jupiter's inner moons

The Galileo spacecraft has captured the highest-resolution images yet of three of Jupiter's four innermost moons, revealing surface features as small as 2 kilometers across. The images show a bright surface feature on Amalthea named Ida, a streak of bright material about 50 kilometers in length.

Celestron NexStar 8SE Computerized Telescope

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

Catching a comet by the tail

The Ulysses spacecraft detected a dramatic change in solar wind and magnetic field lines, revealing comet tails that are likely billions of miles long. This finding opens up new ways to study comets and gain insights into the solar system's birth.

NASA seeks ideas for future space transportation plan

NASA is launching a new effort to develop a safer and cheaper reusable launch vehicle system, relying on commercial industry to meet NASA's science and exploration goals. The agency aims to reduce risk and technical challenges by partnering with industry partners.

NEAR captures asteroid's heart... in a photo

The Near Earth Asteroid Rendezvous (NEAR) spacecraft has captured a striking image of an asteroid featuring a heart-shaped depression. The feature, located below a large ridge on the potato-shaped asteroid, is approximately 3 miles wide and was visible from 1,609 miles away.

NASA shuttle mission to track volcanic aftermath

The NASA space shuttle Endeavour will gather information key to the University of Hawaii's research on the aftermath of volcanic eruptions. The mission aims to provide more extensive topographic data on volcanoes, including Mount Pinatubo, using advanced radar interferometry.

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.

NEAR poised for historic asteroid rendezvous

The NEAR spacecraft is set to embark on a historic asteroid rendezvous with Eros, the largest near-Earth asteroid discovered so far. Using its instruments, scientists will study the asteroid's chemical and physical features, evolutionary history, and magnetic field to gain insights into asteroids' origins.

Atmospheric spacecraft shipped to Goddard for pre-launch testing

The TIMED spacecraft, designed and built by Johns Hopkins University Applied Physics Laboratory, will undergo final environmental testing at NASA Goddard Space Flight Center before its May 18 launch. The mission aims to study the sun's influence on Earth's Mesosphere and Lower Thermosphere/Ionosphere region.

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.

New spacecraft propulsion method could be out of this solar system

Researchers at the University of Washington have developed a new propulsion system called M2P2 that could potentially increase spacecraft speeds by up to 10 times, surpassing Voyager I's distance from Earth. The system uses a plasma chamber and electromagnetic field to harness the solar wind for propulsion.

Two scientists make case against ice on the moon

Two Stanford University scientists argue that large amounts of water ice are unlikely on the Moon, suggesting an alternative explanation involving the reaction of lunar dust with hydrogen and oxygen. They propose that the Lunar Prospector crash could produce a plume of water vapor and hydroxyl ions without ice being present.

Immunology experiment aboard historic shuttle mission

A team of scientists from Montana State University designed an experiment to study the role of gravity on infection-fighting white blood cells. The goal is to understand why astronauts are more vulnerable to infections in space and develop pharmaceuticals to boost immune responses.

UI experiment to fly aboard space shuttle

The University of Iowa is conducting a space shuttle experiment to study human cell growth and metabolism in space. The oxygen-sensing system developed by the university will be used to monitor oxygen levels and provide feedback control for optimal growth conditions.

Meta Quest 3 512GB

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

APL-managed mission to Mercury selected by NASA

JHU/APL's MESSENGER spacecraft will be the first to visit Mercury in over three decades, gathering data on the planet's density, atmosphere, and magnetosphere. The $286 million mission has potential applications in industry beyond scientific research.

Space plays havoc with your immune system

A study by NASA's Johnson Space Center found that spaceflight increases the levels of Epstein-Barr virus (EBV) in astronauts' saliva samples. EBV can cause glandular fever and has been associated with Burkitt's lymphoma, a type of cancer common in Africa.

A simulator for space fitness

A team of young researchers, mentored by Associate Professor Max Vercruyssen, are developing a computerized driving simulator to evaluate astronaut fitness for space travel. The simulator aims to determine alertness, judgment, and motor skills related to operating an automobile, similar to assessing fitness-for-duty in the space shuttle.

Computer Fix Saves Asteroid Images

A team of Cornell University mission engineers created a last-minute fix to send commands to the Near Earth Asteroid Rendezvous (NEAR) spacecraft, allowing it to capture hundreds of new images of asteroid 433 Eros. The fix was completed in just 12 hours and was tested for errors before being sent to the craft.

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.

NEAR Spacecraft Set For January 3 Main Engine Burn

The Near Earth Asteroid Rendezvous (NEAR) spacecraft is preparing for a January 3, 1999, engine burn to rendezvous with asteroid 433 Eros. The spacecraft will increase its speed by 2,100 mph and enter orbit around Eros after catching up with the asteroid in mid-February 2000.

NEAR Spacecraft Closing In On Eros

The NEAR mission will orbit and study asteroid Eros for a year, taking millions of measurements and images to determine its physical and geological properties. The spacecraft will face significant engineering challenges in maneuvering within 9 miles of the asteroid's surface.

Russia Has Designs On Its Astronauts' Used Underwear

Russian scientists are developing a bacterial mixture to break down organic waste from astronauts' underwear, reducing storage issues in space. The disposal unit will process plastic, cellulose, and other waste aboard spacecraft, addressing the acute problem of waste management in space.

U-M Students' Microgravity Experiment On Space Shuttle

The University of Michigan's VORTEX experiment, launched on the Space Shuttle Endeavour, investigates fluid atomization in microgravity. The study aims to answer fundamental questions about the process by which liquids are converted into tiny droplets.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

ACE Spacecraft Braces For Fierce Meteor Storm

The Advanced Composition Explorer (ACE) spacecraft is taking precautions to withstand the November 17 Leonid meteor storm, which could pose a risk due to its close proximity to the comet's wake. NASA technicians are adjusting the spacecraft's orientation and instruments to minimize damage from the massive cloud of Leonid particles.

ASU Geology Team Collects Europa Data

The ASU geology team is collecting and analyzing data from the Galileo spacecraft, which shows strong evidence of a liquid ocean under Europa's surface. The images transmitted by the spacecraft reveal terrain types similar to an iceberg found on Earth near Europa's surface.

Seeing The Invisible

Researchers have developed new methods to visualize the magnetosphere, a complex region surrounding Earth, by analyzing images of charged particles. The technique uses neutral atoms in space to create detailed maps of the magnetosphere's structure and behavior.

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.

Mystery Force Is Traced To Satellites' Waste Heat

Two scientists suggest that satellites' waste heat could be causing distant spacecraft to slow down faster than expected. The heat is emitted in a direction opposite to the Sun, giving the spacecraft a small push towards the Sun and slowing them down.