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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

Less invasive treatment for emphysema is as good as more invasive surgery: results from first randomised controlled trial comparing lung volume surgery and bronchoscopic lung volume reduction with valve placement

A randomized controlled trial found that both BVLR and surgery lead to significant improvements in lung function, breathlessness, and exercise capacity. The study suggests that less invasive BVLR may be a good therapeutic option for suitable patients, offering a similar outcome to traditional surgery.

The invention of a flexible ultra-thin endoscope thinner than a needle

Researchers developed a high-resolution holographic endoscope system that can reconstruct microscopic images without attaching equipment to the fiber bundle. The new endoscope has a diameter of 350 μm and achieves spatial resolution of 850 nm, far smaller than the core size of optical fibers.

‘Plug-and-play’ plasmonic metafibers for ultrafast fibre lasers

Researchers developed a method to integrate plasmonic metasurfaces on optical fibre tips, enabling advanced applications like planar waveshaping and super-resolution imaging. The new metafibers provide 'all-in-fibers' optical systems for sensing, imaging, communications, and more.

Researchers use infrared light to wirelessly transmit power over 30 meters

A new wireless laser charging system uses infrared light to transfer high levels of power over distances of up to 30 meters, sufficient for charging sensors. The system automatically shifts to a safe low power delivery mode if an object or person blocks the line of sight, achieving hazard-free power delivery in free space.

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.

1-Pbps orbital angular momentum fibre-optic transmission

Researchers have developed a fibre-optic transmission system that integrates SDM, PDM, and DWDM over a 34-km long fibre, achieving a raw capacity of 1.223 Pb/s with a spectral efficiency of 156.8 bit/s/Hz. The system utilizes OAM modes to reduce MIMO complexity, enabling low power consumption and scalability.

Tiny optical sensors could put an end to hospital bed sores

Researchers at the University of South Australia have developed tiny optical fibre sensors to monitor movement and record vital signs, reducing the risk of pressure sores. The technology can detect when patients remain motionless for extended periods, prompting nurses to adjust their position.

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.

Customized fiber generates Bessel beams

Customized fibers have been engineered to generate Bessel beams, opening up new applications in imaging and communications. The fibers use a technique called two-photon lithography to fabricate special beam-shaping elements, enabling the creation of compact Bessel beam generators.

Scientists have created optical fibers with unusual properties

Researchers at Ural Federal University develop infrared optical fibers with high transparency and low optical losses, suitable for applications in space, laser surgery and medical imaging. The fibers retain their properties even when exposed to ionizing radiation.

Researchers create biosensor by turning spider silk into optical fiber

A new light-based sensor harnesses the light-guiding properties of spider silk to detect and measure small changes in the refractive index of a biological solution, including glucose and other types of sugar solutions. The sensor is practical, compact, biocompatible, cost-effective, and highly sensitive.

New photoacoustic endoscope fits inside a needle

Researchers have created a photoacoustic imaging endoscope probe that can fit inside a medical needle, resolving subcellular-scale tissue structural and molecular information in 3D. The device has an ultra-thin design, allowing for real-time 3D characterization of tissue during minimally invasive procedures.

Apple iPhone 17 Pro

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

A boost in performances in fibre-integrated quantum memories

Researchers have demonstrated a significant improvement in fibre-integrated quantum memories, achieving an entanglement storage time of over 1000 microseconds. The fully integrated device enables the use of sophisticated control systems, allowing for improved scalability and compatibility with telecommunications infrastructure.

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.

1-Pbps orbital angular momentum fiber-optic transmission

Researchers demonstrate a fibre-optic transmission system using OAM modes, achieving a raw capacity of 1.223 Pb/s and spectral efficiency of 156.8 bit/s/Hz. The system uses a 34-km long 7-core ring core fibre with low MIMO complexity.

Quantitative phase imaging through an ultra-thin lensless fiber endoscope

Researchers have developed a new algorithm to reconstruct incident light field from far-field speckles, enabling three-dimensional quantitative phase imaging with nanoscale axial sensitivity and lateral resolution. This technology paves the way for in vivo label-free characterization of cells and tissue with minimal invasiveness.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Eavesdropping on whales in the high Arctic

Researchers successfully used Distributed Acoustic Sensing to passively listen to whales, detecting over 830 vocalizations and locating their positions with unprecedented spatial resolution. The technique allows for real-time monitoring of whale behavior, as well as detection of other ocean sounds like storms and earthquakes.

Optical fiber imaging method advances studies of Alzheimer's disease

Researchers develop speckle-based compressive imaging technique to improve deep-tissue imaging in Alzheimer's disease studies. The method reduces pixel measurements needed, producing high-resolution images up to 11 times faster and three times bigger than traditional raster-scan approach.

Light travelling in a distorting medium can appear undistorted

A team of researchers has discovered a property of light that remains unchanged in complex media, allowing for distortion-free communication and sensing. By applying a novel quantum approach, they showed that all light has this invariant property, which can be exploited to correct distortions without losing any light.

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.

Sponge-like solar cells could be basis for better pacemakers

Researchers at the University of Chicago have invented a new type of porous solar cell that can power medical devices, including pacemakers. The innovative technology reduces the size of bulky batteries and eliminates the need for high temperatures or toxic gases in production.

Fiber glow brings more go for underwater communications

Researchers from KAUST have designed an all-inorganic halide-perovskite polymer-fiber-photodetector that can detect light in the green region (around 510 nm), enabling fast underwater optical communications. The system offers a 3dB bandwidth of 13.1 MHz, allowing data transmission speeds of up to 152.5 Mbit/s.

Fluke 87V Industrial Digital Multimeter

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

Physics and applications of Raman distributed optical fiber sensing

Raman distributed optical fiber sensing offers flexibility and effectiveness in distributed temperature measurement for various engineering applications. Researchers have developed high-performance systems with optimized performance indices, including accuracy, distance, resolution, and multi-parameter monitoring.

Ultrafast all-optical random bit generator

Researchers proposed and experimentally demonstrated an all-optical random bit generation method using chaotic pulses quantized in the optical domain. This method generated a 10 Gb/s random bit stream, potentially operable at higher rates by exploiting ultrafast fiber response.

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.

Sapphire fiber could enable cleaner energy and air-travel

Researchers have developed a sensor made of sapphire fibre that can withstand temperatures over 2000°C, enabling significant improvements in efficiency and emission reduction in aerospace and power generation. The technology has potential applications in space and fusion power industries.

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 polymer materials make fabricating optical interconnects easier

Researchers developed new polymer materials with adjustable refractive index, enabling easy creation of optical interconnects between photonic chips and board-level circuits. The technology has the potential to boost Internet data center efficiency by reducing power consumption and heat generation.

Over half a million dollars for space telecommunications research

A team of researchers led by Prof. Federico Rosei is developing high-power active optical fibers doped with erbium and ytterbium for ultra-fast satellite communications. The goal is to convert heat dissipated by the fibers into electrical energy, enabling near real-time Earth observation imaging.

Volcano monitoring at Mount Etna using fibre optic cables

A fibre optic cable was used to record volcanic events at Mount Etna, detecting seismo-acoustic activity and mapping hidden structural features. The Distributed Acoustic Sensing (DAS) method proved suitable for volcano monitoring and hazard assessment.

3D printing technology could change the optical fiber industry

Researchers successfully fabricated centimeter-scale optical fiber preforms using DLP 3D printing technology, enabling the creation of single-mode and multi-mode fibers. The team also explored doping elements to enhance luminescence properties, reducing fiber loss by controlling temperature and pressure during fabrication.

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 world record for qubit storage

A UNIGE team has successfully stored a quantum bit for 20 milliseconds in a crystal-based memory. This achievement marks a major step towards the development of long-distance quantum telecommunications networks.

Nanomodulators of light on optical micro-probes to study the brain

An international research team developed nanometric light modulators to study neuronal tissue in deep brain regions. The new approach enables the creation of minimally invasive neural probes that can be used to study specific brain diseases, including brain tumors and epilepsy.

A new amplifying technique for weak and noisy signals

Researchers at INRS developed a method to amplify weak optical signals while reducing noise content using the Talbot self-imaging effect. This technique has potential applications in various fields like telecommunications, bioimaging, and remote sensing.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

When light loses symmetry, it can hold particles

Scientists at Huazhong University of Science and Technology have created a new type of fiber optical tweezers that can trap particles using transverse electromagnetic modes. This breakthrough enables the manipulation of single biomolecules like DNA and proteins, opening up new possibilities for bioparticle research.

Seeing inside cells with an integrated nanowire probe

Researchers developed a multifunctional microfiber probe for real-time monitoring of cellular molecules and changes in cell morphology. The nanowire probe enabled sensitive detection of refractive index distribution in single living cells during apoptosis.

Optical sensing for orthopedic surgery

The integration of optical sensing into orthopedic surgical devices has the potential to increase accuracy and improve outcomes in musculoskeletal repair. Researchers explore various types of optical sensing, including spectroscopy and imaging, to address unmet clinical needs in orthopedic surgery.

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.

A clear and undamaged view of optical fiber

A team of scientists developed a unique technology to measure optical fiber diameter without damaging it, using forward stimulated Brillouin scattering. This allows for accurate measurements up to several kilometers and significantly higher spatial resolution.

Flattening the curve: Nano-film enhanced supercontinuum edition

Researchers create a novel concept to improve supercontinuum light sources by incorporating nano-films into microstructured fibers. This results in broad and flattened output spectra with low input energy, ideal for applications like optical coherence tomography and field hand-held spectroscopy.

Side-polished SMS based RI sensor employing perfluorinated POF

The research team proposes a method to fabricate a refractive index sensor using perfluoropolymer fiber and single mode-m multimode-single mode (SMS) structure, which achieves high sensitivity. The experimental results show that the refractive index sensitivity is -219.504 dB/RIU.

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.

A superconducting silicon-photonic chip for quantum communication

Researchers have developed a superconducting silicon-photonic chip for quantum communication, enabling optimal Bell-state measurement of time-bin encoded qubits. This breakthrough enhances the key rate of secure quantum communication and removes detector side-channel attacks, significantly increasing security.

Controlling light with a material three atoms thick

Scientists have developed a new material, black phosphorous, only three atoms thick, which can control light with unprecedented precision. This breakthrough technology has the potential to revolutionize telecommunications and pave the way for Li-Fi, a light-based replacement for Wi-Fi.

Two beams are better than one

Researchers have made a breakthrough in Free Space Optical Communication (FSOC) by sending two laser beams together, reducing distortion caused by atmospheric turbulence. This innovation promises to improve wireless communication speeds and security for applications such as high-speed internet, airplanes, drones, and satellites.

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.

German scientists develop multimodal fiber probe for in vivo tissue diagnostics

A team of scientists from Germany develops a novel all-fiber based endoscopic set-up for multimodal non-linear endoscopy, allowing for the reliable assessment of tissue and successful surgery. The probe enables label-free tissue diagnostics, including tumor margin detection, and has the potential to improve patient care and reduce costs.

Smuggling light through opaque materials

Electrical engineers at Duke University have discovered a way to extend the use of chalcogenide glasses into the visible and ultraviolet parts of the electromagnetic spectrum. By nanostructuring these materials, they can create high-order harmonic frequencies that enable transmission of light at previously inaccessible wavelengths.

First observation of energy-difference conservation in optical domain

A research team at POSTECH observes synchronized oscillations of optical intensity and symmetry-breaking transitions at an exceptional point. They also discover energy-difference conservation for the first time in the optical domain using APT symmetry platforms based on nonlinear four-wave-mixing.

Compact amplifier could revolutionize optical communication

Researchers at Chalmers University of Technology have developed a unique optical amplifier that offers high performance, is compact enough to integrate into a chip just millimeters in size, and does not generate excess noise. This breakthrough technology has the potential to revolutionize both space and fiber communication.

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.