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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

Study eyes fluoxetine in recreational waters

Researchers at Mercyhurst College have identified fluoxetine, an anti-depressant chemical, in elevated concentrations at Presque Isle State Park. The presence of fluoxetine has been linked to a higher lethality to E.coli bacteria, which can pose health risks to humans.

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.

Research links recreational pool disinfectants to health problems

A recent study by University of Illinois researchers found that the application of disinfectants in recreational pools can lead to adverse health outcomes. The study suggests that brominating agents should be avoided as disinfectants, and that a combination of UV treatment with chlorine is the best method to treat pool waters.

If we build 'walkable' neighborhoods, will people walk?

Researchers found that while municipal employees and public health officials believed walkable neighborhoods could promote healthy lifestyles, developers were skeptical about individual responsibility. The study also revealed a surprising lack of concern for access to affordable healthy food options in neighborhood design.

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.

Traffic density and increased BMI linked

A University of Alberta study found that people living in neighborhoods with high perceived traffic density were more likely to have a higher Body Mass Index (BMI) than those who didn't. The study also revealed age and socioeconomic status as significant factors, with younger individuals experiencing greater BMI increases.

How good are tests for E. coli in streams?

Research finds that pathogenic E. coli are common in Michigan and Indiana streams, even with low fecal indicator bacteria concentrations. The study suggests that current methods for determining water quality may not accurately predict the presence of harmful pathogens.

To manage a fishery, you must know how the fish die

A new research method uses both conventional tags and ultrasonic telemetry tags to estimate mortality rates of sub-adult red drum. This approach provides more precise data on natural and recreational fishing mortality, enabling informed decisions for long-term fish population health.

Apple iPhone 17 Pro

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

NOAA and partners to survey ships sunk off North Carolina in World War II

NOAA is conducting a three-week research expedition to study World War II shipwrecks sunk in 1942 off the coast of North Carolina. The expedition aims to document the condition of these vessels and preserve their historic sites, which serve as 'time capsules from one of the darkest times in the nation's history.'

UIC researchers measure health effects of Chicago's waterways

UIC researchers are conducting a study to determine the health effects associated with recreational activities on Chicago's waterways. The CHEERS study will establish water quality standards for people who enjoy activities on the waterway and measure actual pathogens in the water that cause disease.

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.

Report reveals communication needs, recreation use during fires

The report highlights the importance of real-time information on fire location, size, and movement for effective communication during evacuations. Fire managers can consider providing detailed information about fire regulations to improve visitor perceptions of recreation activities.

Outdoor enthusiasts scaring off native carnivores in parks

A new study by conservation biologists from the University of California, Berkeley found that parks with public access have significantly lower populations of native carnivores such as coyotes and bobcats. The researchers believe that human disturbance may be driving these animals away from heavily visited areas.

Ocean's fiercest predators now vulnerable to extinction

A recent global assessment by the World Conservation Union has found that many large shark species have declined by more than half due to increased demand for shark fins and meat, as well as recreational and commercial fisheries. The scalloped hammerhead shark is among those listed as globally endangered on the IUCN Red List.

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.

More swimmers means more pathogens in the water

Researchers found that water quality is highest when beaches are busiest with swimmers, stirring up pathogens in the sediment. The studies recommend testing water for microorganisms like C. parvum and G. lamblia during peak usage hours to ensure safe recreational use.

Releasing fish for the future

Researchers have developed protocols to maximize post-release survival of commonly caught species, including luderick and Murray cod. Key recommendations include cutting lines on fish that swallow hooks, resulting in improved mortality rates for some species.

Winter flounder on the fast track to recovery

Researchers at the University of New Hampshire are setting the winter flounder fishery on the fast track to recovery through stock enhancement. The study found that hatchery-raised fish must be as fit as wild fish to ensure success, and acclimatization cages can help reduce vulnerability to predators.

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.

Can antioxidants protect scuba divers?

A new study suggests that pre-dive intake of antioxidants Vitamin C and E can reduce alterations in cardiovascular function. This intervention showed a positive effect on vascular endothelial function, while other cardiac changes were unaffected.

Study agrees, just do it!

A study by the University of Alberta found that successful exercisers use plans and action, not pep talks, to maintain regular exercise. Boomer-age women tend to have higher activity levels, while older men are less active due to fear of injury or illness.

Urban green space linked to walking, cycling levels

A study of 34 metropolitan areas found that San Francisco and New York City had high percentages of people who walk or bike for recreation and transportation, respectively. Parkland acreage was also positively associated with walking and bicycling levels, suggesting a link between urban green spaces and physical activity.

Occupation directly impacts a woman's retirement, study says

Women in professional occupations reported feeling a sense of loss upon retirement, while those in nonprofessional jobs felt relieved. They also differed in their decision-making processes, with professionals focusing on pension eligibility and health concerns, while nonprofessionals based it on family issues.

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.

Hikers may disturb breeding spotted owls

Researchers found that female Mexican Spotted Owls spent 60% less time on prey-handling activities with high hiking intensity. The study recommends protecting owl habitat during the nesting season by limiting hiking or establishing buffers around nest sites.

Mountain climbers vulnerable to subclinical lung disorder

A study of 262 climbers found that three out of four healthy, recreational climbers have mild subclinical HAPE shortly after a modest climb. This suggests a significant risk of the disorder among climbers, highlighting the need for better markers and methods to identify individuals at risk.

Boating safety: don't drink and ride

A study found that alcohol use significantly raises the risk of death for both passengers and operators on recreational boats. Drinking while on a boat impairs an individual's ability to rescue themselves, increasing the chances of drowning and hypothermia.

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.

The ecological consequences of 'promiscuous' boating

A study found that recreational boating can transport zebra mussels via entangled aquatic weeds, engine cooling systems, and live wells. The risk of spread to new water bodies is significant due to the high volume of transient boat traffic.