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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

A new way to stretch DNA

Researchers have developed a new way to controllably manipulate biomolecules like DNA using acoustic force spectroscopy. The technique stretches molecules by applying varying forces in a precise way, shedding light on chemical bonding and mechanical properties.

New trigger for self-powered mechanical movement

A team of researchers at Penn State University and the University of Pittsburgh has developed a new way to use enzyme reactions to trigger self-powered mechanical movement. The enzyme pumps can precisely control flow rate without an external power source and turn on in response to specific chemicals in solution.

How to make a tiny volcanic island

Researchers investigate the formation of a tiny volcanic island near Nishinoshima volcano, Ogasawara Islands, Japan. The island's unique lava flows and internal pathways provide valuable insights into the geological processes that shape our planet.

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.

Enzymatic engines

Pittsburgh researchers utilize enzymes to trigger mechanical movement in fluidic devices, showcasing a novel approach for self-powered systems. The studies reveal complex, time-dependent flows driven by simple enzymatic reactions.

'Kurly' protein keeps cilia moving, oriented in the right direction

Researchers discovered that Kurly protein is required for proper cilia movement and orientation, crucial for fluid flow and organ development. The study highlights the importance of Kurly in understanding human diseases such as polycystic kidney disease and left-right patterning disorders.

Remote predictions of fluid flow in fractures possible with new finding

Researchers at Purdue University have discovered a nearly universal scaling relationship between fracture stiffness and fluid flow, allowing for rapid and remote evaluation of fractures. This breakthrough can predict flow paths, evaluate hydraulic integrity, and monitor changes in fluid flow over time.

Apple iPhone 17 Pro

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

What does turbulence have in common with an epidemic?

Researchers have solved a century-old question regarding the nature of turbulence's onset, finding it to be a directed percolation phase transition. This behavior is similar to that seen in epidemic spreading in populations, where fluctuations are characterized by critical exponents.

Tissue fluid flow can reveal onset of osteoarthritis

Researchers found that damage to cartilage's collagen network and increased fluid flow are early indicators of osteoarthritis. The study suggests that understanding these structural changes could lead to earlier detection and better treatment of the disease.

Celestron NexStar 8SE Computerized Telescope

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

Sneezing produces complex fluid cascade, not a simple spray

Researchers at MIT used high-speed imaging to capture the intricate process of sneezing, revealing a paint-like pattern of fluid fragmentation. The study's findings have significant implications for understanding disease transmission and identifying super-spreaders.

What do lentils have to do with geology?

Scientists Matthew Tarling and Christina Rowe used dry lentils to explore the formation of 'scaly fabrics' found at the base of landslides, faults, and glacier beds. The lentils exhibited a tendency to shift constantly against each other when shearing, prohibiting long-lasting fault development.

The S-stroke or I-stroke?

A research team from the University of Tsukuba found that the S-stroke is more efficient for middle and long distance swimming due to its ability to generate propulsive power with less physical exertion. In contrast, the I-stroke is better suited for short distances where speed over efficiency is prioritized.

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.

Nanodevices at one-hundredth the cost

Researchers at MIT's Microsystems Technologies Laboratories show promise in building microelectromechanical systems (MEMS) using affordable and high-quality desktop fabrication devices. This allows for production of useful MEMS at significantly lower costs without compromising quality, enabling new markets and applications.

Precise method underlies sloppy madness of dog slurping

Dogs drink by accelerating their tongues to create a water column, whereas cats use steady inertia. Researchers used photography and laboratory simulations to study dog lapping, finding that dogs' sloppy-looking actions are high-speed movements optimizing fluid acquisition.

Some gas produced by hydraulic fracturing comes from surprise source

A new study found that microorganisms, including bacteria and archaea, might be responsible for some of the natural gas harvested by hydraulic fracturing operations. The microbes are thought to be introduced into the shale through the fracturing fluid, which can create a new ecosystem that enhances methane production.

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.

If the shoe fits

Researchers at the University of Pittsburgh are exploring ways to improve footwear design and replacement policies to reduce slips and falls. By simulating wear using a robotic slip-tester and measuring shoe tread hydroplaning, they aim to identify specific limits to wear and determine critical factors that impact how quickly shoes wear.

Swimming devices could deliver drugs inside the body

Researchers at the University of Sheffield have developed microscopic swimming devices that can be guided by physical structures and used for drug delivery or medical diagnosis. The devices use a catalytic coating to move automatically on a pre-determined route, opening up possibilities for targeted treatments and disease diagnosis.

Liquid foam: Plastic, elastic and fluid

French physicists develop a novel understanding of foam flow in a wedge-shaped channel, identifying connections between plastic events and deformation rates. This study has implications for further research on liquid foam properties and their impact on mechanical energy absorption.

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.

Ecological extinction explains how turbulence dies

Researchers developed a theory explaining the lifetime of turbulent flows by drawing an analogy with ecosystems near extinction. Computer simulations showed that turbulence excites and inhibits large-scale zonal flow, leading to oscillations in its intensity.

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.

Temporary ambulance locations reduces response times and may save lives

Researchers found that ambulances deployed at temporary locations during peak traffic hours had a 2-minute shorter response time and lower mortality rates compared to permanent stations. The study, conducted in Shiraz, Iran, and replicated in Sweden, suggests that risk analysis and statistics-based deployment can improve emergency care.

Diamonds may not be so rare as once thought

Researchers have discovered that diamonds can form in a simpler natural chemical reaction involving water and rock. This finding could lead to a better understanding of the Earth's deep formation processes.

Genetic tests of amniotic fluid could guide timing of delicate births

Researchers at Cincinnati Children's Hospital Medical Center have identified a way to test RNA and specific genetic signatures in amniotic fluid to determine fetal lung maturity. This test could help doctors decide when it is safe to deliver premature babies, allowing for better preparation and care for neonatal morbidities.

Fossil landscapes in New England

The study found that the glacial ice covering New England's highest peaks was unable to erode the rock below, preserving the landscape in a fossil state. The contrast between stable summit landscapes and adjacent valleys deeply eroded by glacial ice contributed to the development of northern Appalachian topography.

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.

Turbulences on the rise

Turbulence plays a crucial role in nature and technology, influencing pollutant spread and fuel efficiency. A new study reveals how fully turbulent flows arise in pipe and square duct flows, with potential benefits for oil pipelines and combustion motors.

$6.7 million project aims to improve dialysis care

A new project at the University of Michigan aims to educate patients and healthcare professionals on how to make dialysis sessions safer, reducing instability and its associated risks. The study will use a combination of peer mentoring and provider education to support behavior change.

How the stick insect sticks (and unsticks) itself

Insects like stick insects can walk up vertical surfaces using adhesive pads on their feet, but scientists long believed that wet and dry feet required different mechanisms to adhere. New research reveals that the fluid on their feet plays a crucial role in controlling adhesion, with potential applications in modern devices.

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.

The Karoo Basin and the end Permian mass extinction

New study on Karoo Basin finds no support for climate aridification, floral collapse, and tetrapod turnover as part of the extinction event. Multidisciplinary data indicate that terrestrial response occurred earlier than previously thought.

Printing lightweight, flexible, and functional materials

Researchers at Harvard's John A. Paulson School of Engineering and Applied Sciences have created a new multimaterial printhead that enables the simultaneous control of composition and geometry during printing, paving the way for entirely 3D-printed wearable devices, soft robots, and electronics.

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.

Using ultrathin sheets to discover new class of wrapped shapes

Using ultrathin sheets, researchers have discovered a new regime of wrapped shapes that can efficiently contain toxic or corrosive liquids. The technique, which uses capillary action to wrap droplets in film, enables the creation of non-spherical shapes with minimal material waste.

Waste paper could make summer grilling more environmentally friendly

Scientists have created a sustainable and safe igniting fluid from waste paper, offering a potential solution for reducing harmful emissions from charcoal grills. The new compound, gamma-valerolactone (GVL), can safely start charcoal fires and light glass lamps without producing smoke or odors.

Fluke 87V Industrial Digital Multimeter

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

Introducing the single-cell maze runner

Researchers discovered single-cell organisms can somersault and bend their bodies to navigate confined spaces, exhibiting unique behaviors such as meandering wanderings and ballistic swimming traits. This finding has significant implications for the study of microfluidics and its applications in various engineering and scientific fields.

Flow means 'go' for proper lymph system development

Researchers found that the early flow of lymph fluid triggers maturation in developing lymphatic vessels. In mice without lymph flow, valves failed to form and remodeling phase was disrupted, leading to improper development of smooth muscle cells.

Carbon dioxide pools discovered in Aegean Sea

Scientists have discovered opalescent pools in the Santorini volcano's crater containing high concentrations of carbon dioxide. The pools' unique properties may hold answers to questions about deepsea carbon storage and provide a means of monitoring the volcano for future eruptions.

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.

Nutrition researchers develop the healthy beverage index

A new scoring method, the Healthy Beverage Index (HBI), evaluates overall beverage intake quality and its association with cardiometabolic risk factors. Higher HBI scores are linked to more favorable lipid profiles, decreased hypertension risk, and improved C-reactive protein levels.

Why do puddles stop spreading?

Scientists have discovered that nanoscale forces are responsible for stopping a puddle from spreading, resolving a paradox in fluid flow. This finding has significant implications for various processes, including lubrication of gears and sequestration of carbon dioxide emissions.

New model of cosmic stickiness favors 'Big Rip' demise of universe

A new mathematical formulation of cosmic viscosity bridges the gap between thermodynamics and Einstein's general theory of relativity, favoring the 'Big Rip' scenario. The model also sheds light on dark energy, suggesting it may account for the universe's accelerating expansion.

Earthquake not to blame for Indonesian mud volcano

New research from the University of Adelaide suggests that a major mud volcano disaster in Indonesia was triggered by a drilling accident rather than an earthquake. The study used physical data collected before and after the disaster to disprove existing earthquake-triggering models.

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.

A 'hydrothermal siphon' drives water circulation through the seafloor

A new study by UC Santa Cruz scientists reveals the 'hydrothermal siphon' drives global ocean water circulation through the seafloor. The process is sustained by fluid flow and heat transfer through thousands of extinct underwater volcanoes, with smaller seamounts favored as sites of discharge.

The secrets of secretion

A new system developed by Joanna Aizenberg's lab uses phase separation to create dynamic designer polymers with self-relubrication and regulated anti-fouling behavior. The system can adapt to its surroundings and respond to fluid consumption, enabling responsive and long-lasting material applications.

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.

Wastewater injection rate strongest trigger for induced quakes

A new study finds that wastewater injection rate is the strongest trigger for induced quakes, with high-rate wells nearly twice as likely to cause earthquakes. The research analyzed public data on operational wells across the US and discovered a strong correlation between injection rate and induced seismicity.

Unraveling the link between brain and lymphatic system

Researchers found a network of lymphatic vessels in the meningeal linings of the brain, directly connected to systemic lymphatic networks. This discovery raises new questions about fundamental brain functions and mechanisms of brain diseases.

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.