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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

ACS Spring 2021 press conference schedule

New methods to detect doping compounds in urine samples using ion mobility-mass spectrometry will help regulatory agencies track existing dopants and future 'designer' compounds. Baltic amber's therapeutic effects have been pinpointed, potentially leading to new medicines for antibiotic-resistant infections. Scientists also report a wa...

Counting pedestrians to make pedestrians count

A new model developed by MIT's Andres Sevtsuk can estimate pedestrian journeys and trip distribution, providing a solution for planners and developers to better understand foot traffic in cities. The model uses network analysis and real-world data to calculate pedestrian flows, which can be applied to various urban settings.

Apple iPhone 17 Pro

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

Rescuing street art from vandals' graffiti

Researchers developed a nanostructured fluid that slowly releases cleaning agents to remove over-paintings on street art without damaging the underlying layer. The technique, which uses low-toxicity solvents and biodegradable surfactants, has been tested successfully on laboratory mockups and real pieces of street art.

Street trees close to the home may reduce the risk of depression

Researchers found that street trees close to homes decrease depression rates, particularly among disadvantaged groups. The study analyzed data from almost 10,000 Leipzig inhabitants and found a strong association between tree proximity and reduced antidepressant prescriptions.

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.

Insights into the Yellowstone hotspot

A new study published in GSA Today suggests that the Yellowstone hotspot is derived from a deep mantle plume, with magmatism extending to at least 56 million years ago. The study's findings indicate a long-lived and robust hotspot that has migrated across northeastern California, northern Nevada, and into Yellowstone National Park.

One-way street for electrons

Researchers have observed a one-way street for electrons in a nanomaterial, where conical intersections channel energy in a certain direction with high probability. This phenomenon has implications for the development of more efficient organic solar cell devices and potentially artificial eyes from nanostructures.

Calls to city 311 lines can predict opioid overdose hotspots

Researchers found that calls about code violations, public health issues, and street lighting were the best indicators of opioid use in Columbus communities. The study suggests that data from 311 calls can be an effective opioid overdose surveillance indicator to direct outreach and resources to where they are needed.

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.

Green pavement markings could make Texas streets safer for cyclists

A new research project funded by TxDOT aims to examine the effectiveness of green pavement markings on Texas streets. The study will investigate the use, safety, longevity, and performance of these markings, which are painted green to increase visibility for cyclists, pedestrians, and motorists.

What will our cities look like after COVID-19?

The pandemic is accelerating the implementation of urban changes, such as bicycle infrastructure and street calming projects. Cities are also exploring new uses for public spaces, like rooftop gardens, to promote wellbeing and community interaction.

How particulate matter arises from pollutant gases

An international team has discovered that the high local concentration of vapors in city streets accelerates nanoparticle growth, contributing to winter smog's particulate matter. Climate researchers attribute this process to the condensation of ammonia and nitric acid onto nanoparticles, causing rapid growth within minutes.

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.

Street smarts required in heat mitigation

Researchers measured pedestrian heat exposure over regular asphalt roads, reflective coated roads and sidewalks next to the roads. The study found that the surface temperature of coated asphalt road was up to 6 degrees Celsius cooler than the regular road in the afternoon, but the radiant heat over coated asphalt was higher.

People may know the best decision -- and not make it

A recent study published in Nature Communications found that people often take the less optimal choice when faced with a decision, despite having knowledge of what works best. The researchers discovered that nearly everyone learned the pattern, but only about 20% followed it when the pattern didn't work consistently.

Car congestion outweighs scooter scourge on city streets

A recent study by Cornell University researchers found that motor vehicles are the main cause of blocking access to other travelers on city streets, with a higher noncompliance rate (24.7%) compared to scooters and bikes (0.8%). The study suggests that cities should rethink their parking policies in response to the rise of technology-e...

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.

Smart intersections could cut autonomous car congestion

A new study developed a model to control traffic and intersections for autonomous vehicles, increasing road capacity by up to 138%. The researchers' approach utilizes smart infrastructure and real-time communication between cars to optimize traffic flow.

New study reveals high levels of pollution on London Underground

Researchers from King's College London have found that fine particles (PM2.5) on the London Underground are significantly higher than in other modes of transport, posing a health risk to commuters. The study suggests that certain stations, such as Oxford Circus and London Bridge, require interventions to reduce exposure.

Celestron NexStar 8SE Computerized Telescope

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

Hackers could use connected cars to gridlock whole cities

Researchers simulate how hackers could randomly strand internet-connected cars to cause widespread traffic gridlock. Even with conservative estimates, stalling 20% of cars during rush hour could freeze traffic solid and debilitate emergency vehicles.

Dangerous school commutes lead to student absenteeism

A Johns Hopkins University study models routes to school for Baltimore students and finds those who commute through areas with double the average crime are 6% more likely to miss school. Chronic absenteeism has been linked to lower achievement, student disengagement and increased risk of dropping out.

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.

Ecological benefits of part-night lighting revealed

A study led by Newcastle University found that turning off street lights at midnight has no negative impact on moths' ability to pollinate plants. In fact, it may even help restore natural behavior. By switching off part of the night, local authorities can save energy while supporting nocturnal wildlife.

Why people reject city trees

A study by University of Vermont researcher Christine Carmichael found that nearly 25% of eligible Detroit residents rejected the city's tree planting program due to negative past experiences with street trees. The opposition was primarily driven by concerns over maintenance responsibilities and lack of decision-making power. The resea...

Rutgers study helps city ban large trucks

A Rutgers University study found significant improvements in air quality after restricting heavy truck traffic on a residential street in Elizabeth, N.J. The research team tracked 60 trucks per hour and found a spike in black carbon from diesel exhaust pollution, which was linked to asthma and other health issues.

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.

Mapping the urban vitality of Barcelona

Researchers mapped Barcelona's urban vitality using a new methodology that combines Jane Jacobs' theories with data analysis. The study reveals high levels of street life in peripheral and poor districts, challenging traditional views of vital areas.

Fluke 87V Industrial Digital Multimeter

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

Using Google Street View to estimate travel patterns in cities

A recent study published in PLOS ONE used Google Street View images to estimate walking, cycling, and other travel patterns in cities. The researchers found strong correlation with data from the 2011 census and Active People Survey, suggesting that Google Street View has great potential for understanding urban travel.

Drones learn to navigate autonomously by imitating cars and bicycles

Researchers developed DroNet, an algorithm that enables drones to safely navigate through urban environments using a normal camera and powerful artificial intelligence. The drones learned to respect safety rules and adapt to new environments, paving the way for fully autonomous drones in various applications.

So much depends on a tree guard

Researchers at Columbia University found that tree guards can improve street trees' ability to absorb stormwater runoff. The study shows that protected pits absorbed water six times faster than unprotected ones, reducing the load on city sewers.

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.

Air pollution cancels positive health effects of exercise in older adults

A new study published in The Lancet found that short-term exposure to air pollution on city streets can cancel out the beneficial health effects of exercise in adults over 60. Researchers recommend stricter air quality limits and better traffic-control measures, as well as increasing access to green spaces for people to exercise.

Smart traffic signals will help blind cross streets

Researchers at Carnegie Mellon University are developing a system that relays information from smartphones to smart traffic signals, allowing for real-time adjustments to accommodate users with visual or other disabilities. The system aims to provide extra time for pedestrians to cross streets and potentially help users catch buses.

Developing roads that can generate power from passing traffic

Lancaster University engineers create smart road surfaces that harness and convert vehicle vibration into electrical energy, generating up to two Megawatts per kilometre. This technology could save taxpayers around £1,800 to £3,600 per day in street lighting costs.

Meta Quest 3 512GB

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

Trees can make or break city weather

A new study found that trees can increase wind speed by a factor of two when removed, making it more challenging for pedestrians to walk. Trees also reduced the impact of wind pressure on buildings, particularly through small gaps, and contributed to a more comfortable environment.

Study: Without HOV policies, urban traffic gets much, much worse

A new study by MIT economists reveals that eliminating High-Occupancy Vehicle (HOV) policies in Jakarta, Indonesia, led to a significant increase in urban traffic congestion. The study found that travel delays became 46% worse during the morning rush hour and 87% worse during the evening rush hour after the policy was discontinued.

Study: Street gangs, crime serve as deviant leisure activities for youths

A new study suggests that gang membership and criminal acts serve as deviant leisure activities for young people, filling their needs for excitement and a sense of belonging. The researchers found that many participants enjoyed the violence and experienced a rush during violent incidents, with some likening it to a drug addiction.

City model created from images alone

VarCity technology uses machine learning to analyze images and videos, creating precise 3D models of cities. The platform can recognize buildings, streets, and traffic patterns in real-time, making it useful for urban planning and management.

Cities need to 'green up' to reduce the impact of air pollution

A new study published in Atmospheric Environment suggests that low hedges can be more effective than taller trees in reducing urban air pollution. Strategically placed low hedges can help mitigate the impact of traffic emissions in cityscapes with large buildings close to roads.

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.

Why children struggle to cross busy streets safely

New research shows children's ability to cross roads without incident develops around age 14. Children under 12 often underestimate traffic gaps, leading to accidents, and lack fine motor skills to step into the street quickly, making it hard for them to gauge when it is safe to cross.

Google Street View cars are eyes on the ground for urban methane leaks

Researchers at Colorado State University are using Google Street View cars equipped with methane analyzers to create a comprehensive inventory of urban methane leak sources. The project aims to help utility companies prioritize leak repairs based on emissions, reducing pipeline methane emissions by 30% and accelerating crucial repairs.

Satnavs 'switch off' parts of the brain

Researchers found that using a satnav switches off brain regions involved in navigating new streets, suggesting the technology reduces mental effort. The study also mapped London's street network to understand how the brain reacts to different layouts.

Sharing extra spots could ease West End parking woes

A new UBC study suggests that renting out vacant residential parking stalls in Vancouver's West End could provide enough space for all residents and visitors. The researchers found that 46 properties have over 3,700 unused stalls, which could be converted into short-term parking with minimal modifications.

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.

Diesel trains may expose passengers to exhaust

A new study from the University of Toronto finds that diesel trains can emit nine times higher levels of black carbon and ultrafine particles in cars directly behind locomotives compared to busy city streets. Practical steps for passengers include avoiding front cars during peak emissions periods.

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.

Pedestrians walk freely in a world of self-driving cars

A new study suggests that autonomous vehicles could facilitate pedestrian-oriented urban neighborhoods, as pedestrians can act unpredictably and force self-driving cars to stop. However, the adoption of autonomous vehicles may be hampered by their strategic disadvantage in urban traffic.

Is 40 the new 50? Push for a new national local street speed

Researchers argue that lowering the speed limit would reduce fatalities and serious injuries for pedestrians and cyclists. A study found that a 10km/h difference can lead to significant safety gains, with slower speeds allowing for longer reaction times and greater braking distance.

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.