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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

Elizabeth Hillman joins St. Jude as chair of Imaging Sciences

Elizabeth Hillman, a pioneer in imaging method development, is leading the new Department of Imaging Sciences at St. Jude Children's Research Hospital. The department aims to develop innovative new imaging and measurement approaches that will enable groundbreaking scientific studies and improve patient care.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Observing mammalian cells with superfast soft X-rays

Researchers developed a new technique to view living mammalian cells using ultrafast pulses of illumination from a soft X-ray free electron laser. The microscope captured images of carbon-based structures in living cells with high spatial resolution and a wide field of view, revealing new insights into cellular biology.

Smaller, denser, better illuminators for computational microscopy

A team of researchers at the University of Connecticut created freeform illuminators that enable flexible illumination design and calibration using a blood-coated sensor. The newly developed technology simplifies microscopy experiments by reducing size, increasing density, and adjusting angle of illumination.

Speckle-illumination proves useful in photoacoustic microscopy

Researchers have successfully applied speckle illumination to photoacoustic microscopy, reducing tissue damage and improving image reconstruction. The technique harnesses the power of structured illumination methods initially developed for optical microscopy, allowing for more efficient imaging with acoustic detection.

High-throughput computational microscopy imaging

Researchers develop hybrid brightfield-darkfield transport of intensity approach, expanding accessible sample spatial frequencies and achieving 5-fold resolution increase. This method enables precise detection and quantitative analysis of subcellular features in large-scale cell studies.

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

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.

Chip-scale metamicroscope for high-performance imaging

A newly developed polarizer-embedded metalens microscope system achieves high-quality, wide-field imaging with a large depth-of-field, significantly expanding human eyesight to the microworld. The chip-scale device offers a thousand-fold reduction in volume and weight compared to traditional microscopes.

Can the diffraction limit overcome in the linear imaging system?

Researchers develop chip-compatible 3D nanoscopy that surpasses the Abbe diffraction limit using a broadly-tunable large-spatial-frequency-shift effect. This method offers advantages over existing superresolution techniques, including high stability, low cost, and integration with microfluidic and optoelectronic functional chips.

Evolving the surgical microscope

The article reviews the development of surgical microscopes, from their introduction in 1921 to the latest advancements. Advanced technologies such as augmented reality displays, hyperspectral imaging, and robotic visualization platforms are increasing the capabilities of surgical microscopes. These improvements enable better visualiza...

Meta Quest 3 512GB

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

The self-driving microscope

Researchers developed an adaptive microscope that can analyze and optimize its settings in real-time, achieving five-fold improvements in resolution. This technology enables long-term imaging of entire embryos and has significant implications for high-throughput drug screens and biological modeling.

Filming life in the fast lane

The new Multi-View SPIM microscope allows scientists to image rapid biological processes in thick samples at high resolution. It can record the movements of every nucleus in the embryo throughout its life, providing valuable insights into embryonic development.

New microscope produces dazzling 3-D movies of live cells

The new microscope allows researchers to study the dynamic inner lives of living cells without damaging them. It uses a combination of structured illumination and two-photon microscopy to create high-resolution, three-dimensional images of cellular landmarks.

Celestron NexStar 8SE Computerized Telescope

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

A clearer view on biology

Scientists have developed a deconvolution algorithm that improves the resolution of Single Plane Illumination Microscope (SPIM) images. This advancement provides new opportunities for studying sub-cellular processes in large living specimens.