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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

Medicine residues may threaten fish reproduction

Researchers have discovered that traces of medicines can be found in fish swimming in treated wastewater. Elevated levels of the hormone levonorgestrel were found in fish blood, leading to infertility. The study highlights the impact of synthetic hormones on fish reproduction and calls for more environmentally friendly alternatives.

Chemical cocktail affects humans and the environment

Researchers found that environmental chemicals form a complex cocktail, leading to greater toxicity than individual chemicals. The EU recommends implementing guidelines for managing the chemical cocktail effect to assess risks to humans and the environment.

China must accelerate progress towards clean air and water

Air and water pollution in China pose significant health risks, with indoor air pollution from solid fuels responsible for millions of premature deaths. The country has made some progress in reducing industrial waste and improving access to piped water, but more efforts are needed to address the issue.

Apple iPhone 17 Pro

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

U of M expert says Earth's health reaching critical tipping point

A University of Minnesota expert warns that the Earth's environment is approaching a critical threshold due to climate change, species loss, and nitrogen pollution. The expert calls for immediate action to transition to low-carbon energy sources and revolutionize agricultural practices.

Incorporating biofunctionality into nanomaterials for medical, health devices

Researchers at North Carolina State University developed a new technique to incorporate biological functionality into nanomaterials, enabling the creation of effective and affordable water purification devices. The technology has been shown to neutralize two common pathogens, E. coli and Staphylococcus aureus, in membrane filters.

Pesticide chlorpyrifos is linked to childhood developmental delays

Exposure to chlorpyrifos is associated with early childhood developmental delays, including mental and physical impairments. High levels of chlorpyrifos exposure were linked to decreased Psychomotor Development Index scores and Mental Development Index scores in 3-year-olds.

Patient referrals cause differences in hospital infection rates

A study published in PLOS Computational Biology found that patient referrals between hospitals influence the rates of hospital-acquired infections, with University Medical Centers showing higher rates. The authors suggest focusing interventions on central hospitals in the network of patient referrals.

Fluke 87V Industrial Digital Multimeter

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

The geography of violence

Researchers link daily activities to violent injury risk using portable mapping technology. The study aims to inform communities about place-based risk factors and identify opportunities to make them safer.

Meta Quest 3 512GB

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

MU offers training program to improve health literacy

The University of Missouri is launching a health literacy study emphasis program offering the first US health literacy certificate, focusing on non-physician professionals. The program aims to address low health literacy's $106 billion annual cost by providing thorough training on issues like culture and health compliance.

Listen to the natives for better moose monitoring

The Cree people's centuries-old method of rotating hunting territories and killing only adult animals ensured stable moose populations. Modern authorities' reliance on aerial surveys and statistics led to a severe decline in Zone 17's population, but the traditional approach was initially disregarded.

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.

Gene variation makes alcoholism less likely in some survivors of sexual abuse

Researchers found that a specific gene variant, H2 haplotype, protects individuals with a history of child sexual abuse from heavy drinking and alcohol dependence. In contrast, those with the alternate H1 haplotype had three times the risk of heavy drinking and problems. The study suggests a potential target for therapy development.

Smokers at risk from their own 'second-hand' smoke

Research found that smokers' health is compromised by breathing environmental tobacco smoke, with second-hand smoke equivalent to an additional 2.6 cigarettes per day. This highlights the need for both active and passive smoking contributions to be considered when studying smoker health.

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.

Study links reduced fertility to flame retardant exposure

A new study by University of California, Berkeley researchers found that women with higher blood levels of PBDEs took longer to become pregnant compared to those with lower levels. The study linked each 10-fold increase in PBDE concentration to a 30% decrease in the odds of becoming pregnant.

Better computing, communication for emergency personnel at disaster sites

Researchers at UC San Diego are launching a project to improve communication and data-sharing among emergency officials during disasters. The new system aims to overcome obstacles such as unreliable wireless networks, staggering arrival times of responders, and rapidly changing infrastructure capabilities.

Dynamic maps aid epidemiological investigations

A dynamic mapping tool helps investigators uncover associations between diseases and environmental exposures, such as Salmonella infections and broiler chicken sales. The study reveals seasonal fluctuations and geographic clustering of the disease.

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.

Each pound at birth lowers risk of developing TB

A study published in the Journal of Infectious Diseases found that each additional 1.1 pounds of birth weight decreases tuberculosis risk by 46% among identical twins. The association is stronger for males, with an 87% reduced risk, and sheds light on the developmental origins of health and disease.

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.

Childhood lead exposure causes permanent brain damage

A study using fMRI revealed that adults exposed to lead as children incur permanent brain injury, with distinct areas of the brain affected differently. Lead exposure has been associated with diminished IQ, poor academic performance, and increased risk of criminal behavior.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

NIH teams with Lancet to address public health impacts of climate change

The NIH has partnered with The Lancet to address the public health impacts of climate change through four case studies on household energy, transportation, electricity generation, and agricultural food production. These studies demonstrate that cost savings from improving health can offset the cost of addressing climate change.

Cigarettes harbor many pathogenic bacteria: Study

A new study found that cigarettes are contaminated with numerous human bacterial pathogens, including Acinetobacter, Bacillus, Burkholderia, Clostridium, Klebsiella, and Pseudomonas aeruginosa. These bacteria may contribute to both infectious and chronic illnesses in smokers and secondhand smoke exposed individuals.

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.

Residential design for persons with neurological disability

This special issue of NeuroRehabilitation focuses on community-based residential designs for persons with neurodisability, highlighting the importance of holistic, functional, and individualized design modifications. The issue presents evidence-based literature, expert insights, and practical recommendations to facilitate independence ...

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.

Poorly cleaned public cruise ship restrooms may predict norovirus outbreaks

Researchers found widespread poor compliance with regular cleaning of public restrooms on cruise ships may predict subsequent norovirus infection outbreaks. The study evaluated the thoroughness of disinfection cleaning and found that toilet seats were best-cleaned objects while baby changing tables were least cleaned.

Researchers discover links between city walkability and air pollution exposure

A new study reveals that some neighborhoods with high levels of walkability also have low levels of air pollution, while others prioritize one over the other. Neighborhoods designed for walkability often encourage higher daily activity levels, which can mitigate health issues linked to air pollution and physical inactivity.

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.

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.

Injury and hazards in home health care nursing are a growing concern

A recent study by Columbia University's Mailman School of Public Health found that home healthcare nurses are at risk of needlestick-type injuries, with nearly 10,000 reported annually. The study also revealed a correlation between stressful household conditions and increased risk of needlesticks.

Intensive care units poorly equipped to care for the dying

A Swedish thesis reveals that intensive care units are often ill-equipped to provide good end-of-life care, with patients dying in public areas or without relatives present. Despite this, most relatives report a positive experience, highlighting the need for improved environment and support.

Keeping children safe: Rethinking design

Injuries are the leading cause of death in children over 1 year old, with traffic accidents being a major contributor. By modifying built environments, such as playgrounds and homes, to prioritize safety, injuries can be reduced by up to 75%.

'Land grabs' for rice production due to supply threats

IRRI must produce an additional 8ñ6 million tons of rice over the next twenty years to meet demand and keep prices affordable. The organization supports sustainable land acquisition practices, prioritizing benefits for poor rice farmers and consumers.

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.

US needs nearly $200 million more on climate-related health research

A recent commentary suggests that the US should spend more on researching the impact of climate change on public health due to current underfunding. The analysis highlights the need for increased funding to address heat-related deaths, diarrheal diseases, and other health issues exacerbated by global warming.

Increased risk of birth defects after PCE exposure

Research published in Environmental Health found an increased risk of oral clefts and neural tube defects among children born to mothers exposed to tetrachloroethylene (PCE) during pregnancy. The study, conducted in Cape Cod towns between 1969-1983, suggests a link between PCE exposure and birth defects.

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.

Young age at first drink may affect genes and risk for alcoholism

Researchers studied 6,257 adult twins and found that those who started drinking early had a greater genetic risk for alcohol dependence. The younger an individual was at first drink, the more prominent the role played by genetic factors in developing severe problems.

Asthma: Epidemiology, etiology and risk factors

The article examines asthma risk factors across different age groups, including prenatal, infancy, childhood, and adulthood. Genetic, environmental, and host characteristics are identified as significant contributors to the development of persistent asthma.

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.