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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

Pollution, everyday allergens, may be sources of laryngitis

Researchers found environmental pollutants can cause 'environmental laryngitis' through animal models, citing exposure to dust mites and air pollution as triggers for the condition. This finding is significant given recent reports on diminishing air quality and increased unhealthy levels of ozone and particle pollution.

Smoke smudges Mexico City's air, chemists identify sources

Researchers used an instrument to track daily patterns in the chemical makeup of Mexico City's smog, identifying aerosols from industrial emissions, fires, and charcoal use. The study provides insights into the sources of persistent pollutants, informing policies to improve air quality.

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.

Smoking during pregnancy a 'double-edged sword' in SIDS

Research found that babies born to smoking mothers had impaired respiratory function and took longer to recover from oxygen interruptions, increasing their SIDS risk. The study suggests that cigarette smoke exposure may affect brain development and lead to developmental disorders.

Newly-defined factors may prevent postpartum smoking relapse

A University of North Carolina study finds that strong social support, internal belief systems, and concrete strategies for dealing with temptations are crucial for women to remain smoke-free postpartum. In contrast, easy access to cigarettes, reliance on cigarettes to cope with stress, and low self-esteem can lead to relapse.

Trouble quitting?: A new Pitt-Carnegie Mellon smoking study may reveal why

A recent study from University of Pittsburgh and Carnegie Mellon University researchers found that smokers who aren't craving a cigarette often underestimate their future urge to smoke, leading them to make decisions they may regret. This 'cold-to-hot empathy gap' can lead to increased nicotine cravings when motivation is low.

Burning incense increases risk of respiratory tract cancers

A large population study found a significant association between incense use and an increased risk of upper respiratory tract cancers, including squamous cell carcinomas. The study also suggested that incense smoke may add to the cancer risk in smokers, but not in non-smokers.

Celestron NexStar 8SE Computerized Telescope

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

Dirty smoke from ships found to degrade air quality in coastal cities

Researchers at UC San Diego found that ship smoke can be a significant contributor to poor air quality in coastal cities, particularly in California. The study reveals that high-sulfur fuel emissions from ships burning bunker oil can produce primary sulfate particles, which are especially fine and harmful to human health.

Newly detected air pollutant mimics damaging effects of cigarette smoke

A previously unrecognized group of air pollutants has been discovered that can cause life-threatening conditions similar to those found in tobacco smoke. Inhaling these pollutants exposes individuals to potentially lethal amounts of free radicals, with the average person inhaling 300 times more daily than from smoking one cigarette.

Scientists determine strength of 'liquid smoke'

Researchers at Lawrence Livermore National Laboratory have created a 3D image of the material referred to as 'liquid smoke,' also known as aerogel. The study reveals that the lattice structure within aerogel is weaker than expected, with a blob and beam structure explaining its low density.

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.

Grant will help patients with schizophrenia who smoke

Researchers at Queen's University Belfast aim to discover improved treatments for nicotine dependence and symptoms of schizophrenia. The three-year fellowship will investigate the effects of nicotine and withdrawal on response inhibition and brain activity in smokers with and without schizophrenia.

Coffee and cigarette consumption are high among AA attendees

A study found that AA attendees drink more coffee than the general population and smoke to reduce depression, anxiety, and irritability. Coffee consumption may also have health benefits, including reducing the risk of death from suicide and certain cancers.

Apple iPhone 17 Pro

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

Perceived access to cigarettes predicts youth smoking

A new study found that kids who believe cigarettes are easily accessible and have friends who smoke are more likely to become regular smokers. The researchers used simple questions to identify high-risk children, highlighting the importance of discussing smoking risks with parents and healthcare professionals.

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.

New research shows overheating newborns can increase the risk of SIDS

New research reveals that overheating and thermal stress can contribute to the development of Sudden Infant Death Syndrome (SIDS). The study, led by Dr. Shabih Hasan, found that increased ambient temperatures, smoking during pregnancy, and exposure to cigarette smoke can all increase the risk of SIDS.

Smoking during pregnancy increases risk of SIDS

A new study links smoking during pregnancy to Sudden Infant Death Syndrome (SIDS) with the strongest causal link yet. The research found that prenatal cigarette smoke exposure can increase the likelihood of gasp-like respiration and prolong breathing time after hypoxia, placing infants at higher risk for SIDS.

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.

Ear infections linked to passive smoking

A new report from Research Australia reveals a strong link between childhood ear infections and exposure to passive tobacco smoke. The study found that Aboriginal children were more likely to develop middle ear infections and experience hearing loss due to early exposure to environmental tobacco smoke.

Air pollution, smoking affect latent tuberculosis

A new study from researchers at the University of Alabama at Birmingham found that carbon monoxide in air pollution and tobacco smoke triggers tuberculosis infection to shift into a dormant state. This dormant state is difficult to detect and treat, contributing to the spread of TB and its high mortality rate.

Pilot study reinforces use of portable anteroom HEPA filtration

Researchers found that a portable anteroom HEPA filtration unit can effectively remove airborne microorganisms, including M. tuberculosis, from operating rooms. The study suggests that this unit can help prevent secondary transmission of airborne pathogens and improve patient and healthcare personnel safety.

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.

Secondhand smoke exposure can cause cell damage in 30 minutes

A new study by researchers at the University of California, San Francisco found that brief exposure to secondhand smoke can cause blood vessel injury in young and healthy nonsmokers. The study also showed that smoke exposure impairs the body's natural repair mechanisms, leading to persistent effects on vascular health.

Not all smoke alarms created equal

A recent study by researchers found that household photoelectric alarms are more likely to remain functional after installation, with only 5% not working nine months later. In contrast, ionization alarms had a 20% failure rate during the same period, often due to nuisance alarms caused by cooking.

AGU Journal Highlights -- March 19, 2008

A new study finds that higher CO2 concentrations increase phytoplankton productivity in the Ross Sea, Antarctica, promoting larger diatom chains. Additionally, research suggests that to stabilize global temperatures, future greenhouse gas emissions must be eliminated, committing the climate system to warming on centennial timescales.

NIST evaluates firefighting tactics in NYC high-rise test

Researchers used a NYC high-rise as a fire laboratory to study wind-driven flame, smoke, and gas spread through corridors and stairways. Positive pressure ventilation fans and prototype devices helped control deadly heat and smoke from wind-driven fires.

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.

Toddlers affected most by secondhand smoke exposure at home

Researchers found that toddlers aged 2-5 years absorbed more nicotine from secondhand smoke than adolescents, leading to increased markers of inflammation and vascular injury. This exposure resulted in damage to the endothelium, the inner lining of vessel walls, increasing the risk of heart disease.

Secondhand smoke a risk for children worldwide

A global study found that 82 percent of parents who smoked reported smoking around their children, exposing them to high levels of secondhand smoke. Hair nicotine levels were detected in 78 percent of children living with a smoker and 59 percent without, highlighting the need for improved public awareness.

Fluke 87V Industrial Digital Multimeter

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

India caught in catastrophic smoking epidemic

India is experiencing a devastating tobacco-related disease crisis, with approximately 1 million deaths expected each year from 2010 to 2019. The study reveals that smoking causes nearly one in five male deaths and one in twenty female deaths at ages 30-69.

Cigarette after Valentine snuggle deadlier for some

Researchers found that smokers with a CETP gene defect are at higher risk of an early onset of heart disease due to decreased HDL levels. Smokers who carry this variant experience a heart attack around age 52, while those without it have similar risks as non-smokers.

Smoking marijuana impairs cognitive function in MS patients

Research published by the American Academy of Neurology found that smoking marijuana can have a harmful effect on cognitive skills in people with multiple sclerosis. The study also showed a significant association between marijuana use and emotional problems such as depression and anxiety.

Case links death to environmental tobacco smoke

A Michigan State University physician reports the first nationally documented death from acute asthma caused by environmental tobacco smoke (ETS) in a bar employee. The case highlights the need for legal protections against ETS in workplaces, particularly for vulnerable employees with pre-existing conditions like asthma.

Meta Quest 3 512GB

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

New research explains link between smoking and SIDS

Researchers at McMaster University found that exposure to nicotine in the womb impairs a baby's ability to respond to oxygen deprivation after birth. This impairment can lead to an increased risk of Sudden Infant Death Syndrome (SIDS).

Secondhand smoke exposure worsens cystic fibrosis

Researchers at Johns Hopkins Medicine discovered that secondhand smoke exposure can weaken lung function in patients with cystic fibrosis. The study found that even a small genetic change can double the negative effects of secondhand smoke on lung function, accelerating reduced lung function and lifespan.

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.

Secondhand smoke damages lungs, MRIs show

Researchers have identified lung injury in nonsmokers exposed to secondhand cigarette smoke using a special type of magnetic resonance imaging. The study found structural changes in the lungs similar to those found in smokers, suggesting early signs of emphysema or chronic bronchitis.

Cigarette smoke, alcohol damage hearts worse as combo

Research at the University of Alabama at Birmingham found that mice exposed to cigarette smoke and fed a liquid diet containing ethanol had a 4.7-fold increase in artery lesions, compared to those breathing filtered air and eating a normal solid diet.

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.

Cigarette smoking may accelerate disability in those with MS

Researchers have discovered that cigarette smoking increases brain tissue shrinkage and disease severity in multiple sclerosis patients. The study used MRI scans to compare smokers and nonsmokers with MS, finding significant differences in disability scores and brain volume.

Home sprinklers score 'A' in NIST cost-benefit study

A NIST study found that residential fire sprinklers are a cost-effective solution for new homes, with estimated benefits ranging from $704 to $6,048 over a 30-year period. The analysis also showed significant reductions in civilian fatalities and property damage.

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.

Increasing young adult smoking linked to smoking in movies

A study found that young adults exposed to smoking in movies are more likely to start or continue smoking. The research, published in the American Journal of Preventive Medicine, suggests a dose-dependent relationship between movie smoking and young adult smoking.

On-screen smoking in movies linked to young adult smoking behavior

A new study by the University of California, San Francisco, found that exposure to on-screen smoking in movies is strongly correlated with beginning or becoming established smokers among young adults aged 18-25. The research team also identified positive expectations about smoking and exposure to friends and relatives who smoke as key ...

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.

Secondhand smoke increases teen test failure

A new study in the Journal of Adolescent Health suggests that secondhand smoke exposure at home increases the risk of test failure in teens. Exposure to secondhand smoke decreased the odds of passing standardized achievement tests by 30 percent in 16- and 18-year-olds.

Smoking can harm the long-term effects of some oral surgery procedures

A recent study published in the Journal of Periodontology found that smokers experience greater residual gum recession after periodontal plastic surgery. The two-year study showed smokers had less desirable long-term outcomes compared to non-smokers. Quitting smoking before oral surgery can improve treatment success, according to experts.

Nicotine may accelerate atherosclerosis, may be as dangerous as tar

A Weill Cornell study finds that nicotine in cigarettes accelerates atherosclerosis, even at low levels, by activating the sympathetic nervous system and increasing heart rate. Mice exposed to low-nicotine cigarettes showed smaller atherosclerotic lesions than those exposed to regular cigarettes.