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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

Testing relativity in the laboratory

Researchers have developed a new class of metamaterials that mimic celestial mechanics, allowing for the study of gravitational lensing and chaos in a lab setting. This breakthrough enables scientists to study relativity phenomena, such as gravitational lensing, in a controlled environment.

Apple iPhone 17 Pro

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

Scientists discover repulsive side to light force

A Yale team has discovered a repulsive light force that can be used to control components on silicon microchips, paving the way for faster and more efficient nanodevices. The researchers found that by manipulating out-of-phase light beams, they could create a controlled repulsive force with tunable intensity.

Nanocrystals reveal activity within cells

Researchers have developed bio-friendly nanocrystals that act as individual investigators of activity within a cell. These nanocrystals can track proteins in real-time, allowing for the study of biomolecules one at a time. The breakthrough has significant implications for understanding complex biological systems.

Expression of infrared fluorescence engineered in mammals

Scientists at the University of California, San Diego, have developed a new class of infrared-fluorescent proteins (IFPs) that can be expressed in mammalian cells. These proteins are suitable for whole-body imaging in small animals and may provide a prototype for future studies in animal models.

Celestron NexStar 8SE Computerized Telescope

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

Bridging the gap in nanoantennas

Researchers control light at nanoscale by adopting tuning concepts from radio-frequency technology, enabling targeted design of biosensors and photodetectors. The discovery bridges the gap between optical and radio frequencies, opening doors for compact and integrated nanophotonic devices.

First results from Penn's balloon-borne telescope BLAST

The study confirms individual galaxies are source of Far Infrared Background, a decade-old question answered. BLAST's submillimeter survey uncovers dust-enshrouded galaxies with properties deciphered through multi-wavelength data.

Recipe for the perfect James Webb Space Telescope mirror

The James Webb Space Telescope's mirrors are made of beryllium, a light metal that withstands extreme temperatures and is highly reflective. The 18 hexagonal mirror segments will allow the telescope to see galaxies from 13 billion light-years away.

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.

Canadian scientists read minds with infrared scan

Researchers at University of Toronto's Bloorview hospital use infrared light brain imaging to predict drink preferences with high accuracy. The technique could lead to portable devices for children with disabilities to control their environment.

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.

Beaming new light on life

Physicists and chemists at the University of Utah developed a new method using silver nanoparticles to visualize internal structures in nearly opaque biological materials. The technique allows for the detection of fatigue in materials like carbon-fiber plastics used in aircraft, enabling regular inspections of fuselage integrity.

Cookie cutter in the sky

Researchers found that all active galactic nuclei have a similar physical structure, independent of the black hole's size. The observation constrains current ideas on how glow around black holes is produced, allowing for further study of these enigmatic objects.

Infrared echoes give NASA's Spitzer a supernova flashback

Scientists using Spitzer data have identified the precise event that produces the echo we see, revealing the supernova's first flash. The hot spots near the shattered remains of an exploded star are echoing the blast's first moments, powered by radiation from the supernova shock wave.

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.

Brightest stellar explosion heralds new type of long-distance astronomy

A gamma-ray burst was detected as the brightest optical and infrared event ever recorded, visible to the naked eye from Earth despite its vast distance of 7.5 billion light years. The explosion occurred in a massive star 7.5 billion years ago and sent a pencil-beam of intense light on a direct collision course for Earth.

Golden rods

Researchers developed a novel method to produce gold nanorods using an ionic liquid, eliminating the need for cytotoxic additives. This approach allows for efficient conversion of light energy into heat, making it suitable for photoinduced hyperthermia treatments.

Cassini instrument confirms liquid surface lake on Titan

Scientists confirmed a surface liquid lake on Titan, measuring approximately 235 kilometers long and filled with liquid ethane. The discovery was made using the Visual and Infrared Mapping Spectrometer (VIMS) instrument on NASA's Cassini orbiter.

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.

Polarized sunglasses see black hole disks

Researchers have successfully visualized the elusive disks of matter surrounding supermassive black holes using a polarising filter on the UK Infrared Telescope. This breakthrough allows scientists to study these black holes in greater detail, shedding light on their structure and composition.

Accretion discs show their true colors

A new study using VLT observations verifies the long-standing prediction that accretion discs emit intensely blue radiation. The researchers used polarised light from six quasars to uncover the buried light from the discs, vindicating the standard picture of these discs.

Nano-sized electronic circuit promises bright view of early universe

A newly developed nano-sized electronic device is sensitive to faint traces of far-infrared light, which can provide insights into the earliest stages of star and galaxy formation. The device is potentially 100 times more sensitive than existing bolometers and can detect as little as a single photon of far infrared light.

Laser surgery probe targets individual cancer cells

Mechanical engineering Professor Adela Ben-Yakar has developed a laser microscalpel that targets individual cancer cells in 3D without damaging surrounding cells. The device uses femtosecond lasers to sear targeted cells quickly and accurately, potentially revolutionizing surgeries for cancer, epilepsy, and other diseases.

Scientists find giant ring encircling exotic dead star

Astronomers have detected a giant ring around a rare and exotic star known as a magnetar, which was likely produced by a massive flare. The discovery provides valuable insights into the phenomenon associated with magnetars, a type of neutron star with incredibly strong magnetic fields.

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.

Plan to identify watery Earth-like planets develops

Astronomers are looking for Earth-like planets with liquid oceans in the habitable zone of their star. By monitoring the light curve of a distant planet as it spins on its axis, they can determine if the planet has water.

Prototype terahertz imager promises biochem advances

Researchers at NIST have developed a new imaging system that detects naturally occurring terahertz radiation with high sensitivity and resolution. The technology enables rapid identification of chemical hazards and may aid in early tumor detection.

Getting wired for terahertz computing

University of Utah engineers successfully created wire-like waveguides to transmit and bend terahertz radiation, a crucial step towards harnessing its potential for faster computing and communication. This breakthrough could lead to the development of superfast computers that can process data at trillions of cycles per second.

Safer, easier system for remote explosive detection

Researchers at the University of Michigan have created materials that can detect TNT and alert to its presence remotely, reducing danger for military personnel. The system uses low-cost, battery-free sensors that emit light when excited by infrared light, which is then detected by a specially-designed light-collection system.

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.

Bonn scientists discover new hemoglobin type

Researchers at the University of Bonn have identified a new hemoglobin type that appears to transport less oxygen than normal. This discovery was made after examining two patients with low oxygen levels in their blood, who did not show any signs of cardiac defects. The new type of haemoglobin, named Haemoglobin Bonn, can distort oxygen...

Researchers use light to detect Alzheimer's

Researchers have developed a method using near-infrared light to identify microscopic changes in brain tissue associated with Alzheimer's disease. This technique can potentially detect the disease earlier than current methods, which rely on clinical symptoms or imaging tests.

Astronomers find grains of sand around distant stars

Researchers have found evidence of small, sandy particles orbiting a newborn solar system at a distance similar to the Earth's orbit around the sun. The discovery sheds light on how Earth-like planets may form and offers new opportunities for studying the chemical composition of these particles.

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.

Researchers decode genetics of rare photosynthetic bacterium

The researchers' successful sequencing of the cyanobacterium's genome has revealed its genetic secrets, shedding light on how it produces chlorophyll d and absorbs far-red light. This discovery holds potential for plant research and could lead to the development of crops that can harness a wider range of light spectrum.

Researchers develop darkest manmade material

Scientists at Rensselaer Polytechnic Institute created a coating with low-density, vertically-aligned carbon nanotube arrays that absorb more than 99.9 percent of light, making it the darkest material ever made by man. This breakthrough could lead to improved solar energy conversion and detection capabilities.

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.

Light sheds on new fiber's potential to change technology

Researchers at the University of Bath discovered how photonic crystal fibre creates a broad spectrum of light, allowing for more efficient telecommunications and precise optical clocks. By understanding this mechanism, scientists can now manipulate the supercontinuum with greater precision.

James Webb Space Telescope testing to find infrared light for Christmas

The Mid-InfraRed Instrument (MIRI) will undergo thermal and electromagnetic calibration, scientific and environmental testing at the Rutherford Appleton Laboratory in Oxfordshire. The successful completion of the first tests just before Christmas will enable scientists to understand the best ways of making discoveries with the instrument.

Getting light to bend backwards

Researchers have created a layered material that causes light to refract in the opposite direction, enabling flat lenses and potentially capturing images of DNA molecules. This technology, developed at NSF-funded research centers, holds promise for various applications such as chemical threat sensors and medical diagnostics.

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.

Scientists 'weigh' tiny galaxy halfway across universe

An international team of scientists has identified a tiny galaxy, about half the size and one-tenth the weight of the smallest distant galaxies typically observed. The galaxy is 100 times lighter than our own Milky Way and is 100 times closer to us than the nearest known structure, the Virgo cluster.

Supersonic 'rain' falls on newborn star

Astronomers have discovered five Earth-oceans' worth of water falling onto a protoplanetary disk around an extremely young star, IRAS 4B. The 'disk-accretion shock' mechanism is responsible for the formation of planetary systems, and this finding provides valuable insights into the early stages of our solar system's life.

Babies' brains to be monitored using light scans

Researchers have developed a new non-invasive brain scan method using light to monitor the development of infants' brains. The technique, called high-density diffuse optical tomography, allows for the mapping of the visual cortex with high accuracy.

Researchers produce firsts with bursts of light

Scientists generate most energetic terahertz pulses ever produced, allowing for the observation of cross-phase modulation and opening up new possibilities for materials research and light source technologies. The breakthrough could lead to innovations in fields such as biological molecule imaging and homeland security.

Creality K1 Max 3D Printer

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

Gazing up at the man in the star?

Researchers have captured an image of Altair, a hydrogen-burning star like our own sun, for the first time. The image was made possible by a novel system to clean up distortions from Earth's atmosphere and a multi-telescope system that combines information from small, distantly spaced telescopes.

NIST atom interferometry displays new quantum tricks

Physicists at NIST recreate the historic double-slit experiment with atoms, demonstrating wave-particle duality and a novel technique for quantum computing. The researchers trap ultracold rubidium atoms in two overlapping lattices, creating a strobe-like effect that can be controlled.

Adaptive optics leads the way to supermassive black holes

Researchers discovered the location and makeup of a pair of supermassive black holes in a galaxy collision, using adaptive optics to clear atmospheric distortion. The discovery sheds light on the coevolution of black holes and galaxies, with implications for understanding galaxy evolution and properties.

UCF professor finds that hottest measured extrasolar planet is 3700 degrees

The University of Central Florida professor has made a groundbreaking discovery that the hottest known extrasolar planet, HD 149026b, is approaching temperatures of 3,700 degrees. This unprecedented finding indicates that the planet's surface must be incredibly black to absorb all the starlight it receives.

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.

Laser-trapping of rare element gets unexpected assist

Researchers at Argonne National Laboratory successfully trapped radium atoms in a magneto-optical trap, leveraging the unexpected help of room temperature blackbody radiation. This achievement marks a significant milestone in studying time-reversal violation and has implications for physics beyond the Standard Model.

Quantum dot lasers -- 1 dot makes all the difference

Researchers have built micrometer-sized solid-state lasers where a single quantum dot plays a dominant role in device performance. Correctly tuned, these microlasers switch on at energies in the sub-microwatt range, enabling highly efficient optical devices for telecommunications and computing.

NASA predicts nongreen plants on other planets

Researchers used Earth-based light data to identify dominant photosynthesis colors for extrasolar planets, narrowing the range of expected colors. This new approach will guide future space telescope designs to study habitable planets and detect alien life.

Harnessing new frequencies

Researchers at the University of Utah have discovered a way to manipulate far-infrared light for efficient transmission, paving the way for faster wireless communication. The technology also enables detection of concealed explosives and biological weapons using vibrational spectroscopy.

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.

Research project could help create computers that run on light

Physicists at the University of Bath are developing attosecond technology to create continuous series of light pulses that could enable precise control over electric fields. This could lead to the development of photonics-based devices, such as photonic computers, with potentially groundbreaking capabilities.

Molecules under the hammer

Dutch researcher Rajesh S. Pillai developed a new method to visualize the microstructure of food and lipid droplets in cells using short infrared laser pulses. This technique has high promise for research into fat storage and diseases related to disrupted lipid metabolism.

NASA helps space telescope camera 'squint' for a better view of galaxies

The microshutters will enable scientists to block unwanted light from objects closer to the camera in space, letting the light from faraway objects shine through. This technology allows the telescope to focus on the faint light of stars and galaxies so far away, they formed early in the history of the universe.

Light-emitting diodes for night-vision displays

Scientists have created highly efficient infrared light-emitting diodes (LEDs) that can be used in night-vision devices, emitting a reddish-orange glow. The LEDs use a phosphorescent platinum porphyrin complex as a doping agent to improve efficiency and emit light for longer periods.

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.

MU scientists discover way to order polar molecules in crystals

Researchers at the University of Missouri-Columbia have developed a method to align polar molecules in crystals, which could lead to faster and more efficient microchips. This breakthrough has the potential to reduce energy costs and create new technologies that make computers cooler.

New technique studies how plastic solar cells turn sunlight into electricity

A new analytical technique developed by Penn State researcher John B. Asbury could lead to the development of cheaper and more efficient solar cells. The technique uses infrared spectroscopy to study light-sensitive organic materials, providing information about electron movement within a film of carbon-based materials.