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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

Apple iPhone 17 Pro

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

Scientists Use Bioengineering To Buy Time For Ailing Hearts

Researchers at The Hospital for Sick Children have successfully used biological engineering to prevent the closing of the ductus arteriosus, a key passage between the heart and lungs. This breakthrough approach could lead to a more effective and safe way to help infants with severe heart problems survive.

Couples' Attachment Style May Help Determine Male Violence

Researchers found that a combination of an insecure man with a dismissive woman increases the likelihood of domestic violence. The study suggests that attachment styles, particularly insecure and dismissive styles, can be a powder keg waiting to explode.

Statistician Keeps Health Researchers Ahead Of The Curve

Health researchers sought to understand the impact of vitamin A deficiency and HIV infection on infant growth and immune cell counts. Biostatistician Colin Wu used curve estimation to produce a broader picture of these phenomena, allowing for comparisons at various stages. This technique has proven helpful in tracking changes over time...

World's Smallest Pen May Help Draw Tiny Circuits

Researchers at Northwestern University have created a world's smallest and sharpest pen that can draw lines just a few dozen molecules wide, opening up new ways to explore the nano-world of electronics based on molecules. The 'dip-pen nanolithography' technique uses an atomic force microscope to transfer molecules with high precision o...

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.

Additive Increases Life, Lowers Costs Of Concrete Bridge Decks

A commercially available additive can double the life of concrete bridge decks and lower costs by enhancing resistance to water, corrosion and deicing salt. The study found that bridge decks constructed with the additive had less tendency for water or salts to intrude into the concrete.

A Computer Program For Willie Loman

The Rice-Rutgers team developed a computer program that determines the optimal route for a salesman visiting 13,509 cities, exceeding previous limits of 2,892 cities. The program relies on sophisticated algorithms and parallel processing, with the code running to over a thousand pages if printed.

New Method Of Dating Past Earthquakes, Assessing Future Ones Discovered

A new way of dating earthquakes has been developed by Vanderbilt University researcher Jay S. Noller, allowing for a more precise timeline of past quakes and a more accurate assessment of future quake probabilities. By studying bedrock formations, Noller was able to determine the timing, frequency, and likelihood of future quakes.

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.

Chemists Discover New Processes In Fuel-Cleaning Catalysis

Chemists have discovered a key to enhancing hydrodesulfurization, the most widely used process for removing sulfur compounds from crude oil. By observing individual molecules on surfaces, they found that nickel atoms can act as 'sticky ballbearings,' capturing thiophenes and helping them bind at optimal edge sites.

Seismic Math Finds Early Signs Of Heart Tremors

Using a mathematical approach similar to that used for measuring seismic activity, researchers have pinpointed characteristics of abnormal cardiac activity in pigs. The study's findings may lead to the development of better antiarrhythmic drugs and more intelligent pacemakers.

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.

Meta Quest 3 512GB

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

Smart Materials Provide For Self-Adjusting Satellite Antennas

Researchers at Ohio State University have developed adjustable satellite antennas using smart materials that can change shape to improve signal quality. The new design reduces the need for constant reorientation of satellites, increasing their efficiency and range.

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.

Differences In Brain Function Found For Attention Deficit Disorder

Researchers found a clear difference in brain activation between boys with ADD and those without, specifically in the striatal region involved in motor control. Ritalin improved impulse control in both groups but had different effects on brain activity in those with and without ADD.

Solid-State Switch Could Open The Way To Robot Brains

A team of researchers has developed an electronic neural switch that mimics biological neural activity, paving the way for the creation of autonomous robots capable of thinking, learning, and seeking out new environments. The device uses nanoelectronic processors to transmit signals similar to those from nerve cells, enabling it to pro...

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.

When One Gene Has Two Roles, Its Second Function May Be Missed

A team of scientists found that a single gene with two vital functions can lead to missing roles, highlighting the complexity of mammalian fetal development. GATA-2 expression was previously thought to only control blood cell formation but is now known to have additional roles in the genitourinary system.

Tumor Protein Structure Found At Cornell

Researchers at Cornell University have discovered the three-dimensional structure of a protein that helps build new blood vessels, feeding cancerous tumors. This understanding may lead to more effective anti-cancer drugs with fewer side effects.

Most Smokers Continue To Light Up After Heart Surgery

A recent study found that almost three in five smokers who undergo heart surgery continue to smoke after their procedure. Researchers examined 1,829 individuals who had bypass surgery or angioplasty and found that younger patients, African Americans, and those with a prior history of heart attack were more likely to be 'die-hard' smokers.

UCSF Study Finds DHEA Benefits Cardiovascular Function

Researchers at UCSF have found that DHEA can reverse the effects of Endothelin-1, a peptide elevated in most heart diseases, by dilating coronary arteries and increasing endothelial cell function. This study provides scientific credence to DHEA's potential benefits on cardiovascular health.

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.

Brain Study Sheds Light On The 'Phantom Limbs' Of Amputees

A recent study published in the journal Science has shed new light on the phenomenon of phantom limbs in amputees. Researchers found that the brain adapts by reorganizing nerve cells and increasing activity in pain-related areas, potentially leading to new strategies for preventing post-amputation pain and recovery of function.

Human Eye Unknowingly Distracted By Irrelevant Objects, Study Finds

Researchers found that the human eye is drawn to unexpected objects in the visual field, resulting in a brief diversion from the intended task. The studies suggest that environmental factors can capture attention without conscious awareness, leading to lost time and missed information.

Geographic Information Systems Help Jamaica Cut Pesticide Use

Researchers from Virginia Tech are training Jamaican agricultural personnel to use GIS in integrated pest management, reducing pesticide use and environmental harm. The system helps analyze spatial patterns of variables relevant to solving pest management problems.

Scientists Sequence Chlamydia Trachomatis Genome

The completed sequencing project provides crucial information on chlamydial infection, the most prevalent STD in the US. The sequenced genome has revealed surface proteins and unique biochemical pathways for developing antibiotics and vaccines against Chlamydia trachomatis.

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.

Modeling Material Defects From Atoms Up

A new research program at Cornell University is using computer simulations to understand how tiny cracks in materials can grow into major ones. The project, called Multiscale Modeling of Defects in Solids, involves creating models that show how defects at the atomic level can lead to changes at increasingly larger scales.

A Radical New Way For Disabled People To Interact With The World Is Born

Researchers have developed brain implants that allow people with severe disabilities to control a computer cursor using their thoughts. The technology has shown promise in enabling individuals with paralysis or other conditions to interact with the world, with further research ongoing to improve its capabilities.

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.

UH Research Paves Way For Better Lasers, Thin Film Devices

Researchers at UH and AOI create mid-infrared laser on new compliant universal substrate, improving cooling and power output. The technique expands epitaxy options, enabling production of high-performance semiconductor devices like lasers and solar cells.

Making Complex Systems Work Better

Researchers at Boston University are developing new computational approaches to manage complex systems in manufacturing, global communication networks, and economic systems. The tools will enable accurate prediction and flexible decision-making, reducing costs associated with worst-case analysis.

Conservation Plans Under Development To Preserve Prehistoric Salvadoran Village

The University of Colorado at Boulder's archaeological team, led by Professor Payson Sheets, is developing a five-year conservation plan for the ancient village of Ceren. The plan aims to preserve the site's structures, artifacts and agricultural features using ground-penetrating radar and climate-controlled environments.

New Software Protects Ownership Of Web Images

Researchers at Purdue University have developed an invisible digital watermark to protect copyrights for images on the web. The technique, tailored for Web-based imaging, embeds the watermark in pixels, allowing for verification and detection of unauthorized copies.

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.

Kids Find Happy, Safe Places In Their Inner-City Neighborhoods

A study of 379 children at an Ohio State University elementary school found that most kids perceived their community as having both negative and positive aspects. Despite exposure to violence, nearly half felt safe at home, with 39% describing their homes as peaceful. The research highlights the complexity of urban childhood experiences.

Computer Simulation To Predict Forest Fires

A computer simulation by Cornell University geologists shows that forest fires follow a fractal distribution, similar to other natural events. By analyzing data from forests and wildfires worldwide, including Yellowstone National Park, the researchers found that allowing smaller fires to burn can prevent larger ones.

Celestron NexStar 8SE Computerized Telescope

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

Study Shows Potential For Quelling AIDS Nerve Pain

A recent trial found that patients with HIV-related sensory neuropathy experienced significantly lessened pain intensity and improved sensation after receiving injections of lab-created nerve growth factor. The study also identified which nerves are involved in the injury, paving the way for future research on regrowing damaged nerves.

Radio Controlled Aircraft To Sniff Out Biowar Bacteria

A small radio-controlled aircraft equipped with a sensor developed at the Naval Research Laboratory (NRL) can monitor air for signs of biological weapons. The sensor uses fluorescent antibodies and optical fibers to detect biowar bacteria in water samples, allowing it to accumulate on probes over time.

Glowing Cyanobacteria Gives Researchers New Clues To Circadian Rhythms

Researchers have identified a cluster of three genes, kaiABC, that are integral components of the feedback loop driving circadian rhythms in cyanobacteria. The levels of KaiC gene expression increase during daytime and decrease at night, but an overabundance can shift the timing of the clock.

Fluke 87V Industrial Digital Multimeter

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

Hannibal Lost The War Because He Could Not Supply His Armies

Historians at Nijmegen University studied the supply and storage of goods during the war, revealing that Hannibal lost because he could not supply his armies properly. This logistical issue hindered his ability to exert constant pressure on Roman forces.

Gallium Nitride Boosts Transistor Power

Researchers at Cornell University have made significant progress in making gallium nitride transistors with output power of up to 2.2 watts per millimeter, promising to deliver hundreds of times more power at microwave frequencies.

Program Helpful In Reducing Sexual Assault, Study Finds

A three-hour program reduced sexual assault rates by 20% compared to a control group. Women in the program were also less likely to be revictimized at six months follow-up. The program's effectiveness suggests it may help prevent sexual assault.

New Evidence Shows How Some Flu Viruses Become Lethal

Researchers at UW-Madison discovered a molecular mechanism that allows influenza viruses to cause sweeping damage throughout the body. The finding provides an additional marker for scientists to be aware of in their surveys of emerging viruses and may have broader implications in the virology field.

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.

Researchers Discover Church Submerged In Ancient Port City

A team led by University of Colorado at Boulder Professor Robert Hohlfelder has discovered a 1,700-year-old Christian church submerged in shallow water off the coast of southern Turkey. The stone church, with an elaborate apse and multicolored mosaic, is likely the only underwater church known from that era.

Scientists Discover Two Modes Of Aging In Fruit Flies

Mediterranean fruit flies exhibit two distinct modes of aging based on food supply, with limited protein leading to delayed reproduction and high protein enabling rapid production and aging. This study reveals surprising findings about the relationship between nutrition, reproduction, and longevity in these insects.