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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

Law enforcement makes retailers shape up, but kids still smoke

A study by K. Michael Cummings found that retailer compliance with laws prohibiting tobacco sales to minors more than doubled, from 35% in 1994 to 73% in 1995. However, the difference in smoking behavior between high and low compliance communities was small and not statistically significant.

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.

Cigarette smoke linked to low folate levels

Research suggests a significant association between cigarette smoke exposure and lower folate levels, potentially increasing the risk of diseases such as heart disease and breast cancer. The study found that red blood cell folate levels were 20% lower in current smokers compared to nonsmokers.

Mothers know best about child’s smoke exposure

A study found that 85% of children in low-income families had daily exposure to secondhand smoke, with mothers reporting the highest levels. Cotinine levels in children's urine only confirmed exposure for about 90% of cases, highlighting potential limitations of testing.

Doctors miss chances to help pregnant women quit smoking

A survey of 793 physicians found that doctors identified smoking status at 81% of visits but only provided counseling to quit 23% of the time. The study also found that geography and race played a role in whether smokers received counseling, with rural and southern physicians less likely to provide guidance.

Apple iPhone 17 Pro

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

Agents of mass destruction found in USA

The Framework Convention on Tobacco Control (FCTC) is a legally binding international treaty aimed at reducing tobacco use, but its adoption in the US is threatened by American exceptionalism. The FCTC covers tobacco taxation, smoking prevention and treatment, illicit trade, advertising, sponsorship and promotion, and product regulation.

African-Americans willing to shoulder higher cigarette taxes

According to a Penn State study, African-Americans are more likely to support higher cigarette taxes, particularly among younger Blacks, those at higher educational levels, and former smokers. The study found that increasing taxes can decrease smoking prevalence rates and generate revenue for tobacco cessation programs.

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.

The hormone ethylene is necessary for plant resistance

Researchers found that ethylene is vital for plant protection against microorganisms, enabling plants to detect and respond to infections. Modified ethylene-insensitive tobacco plants were more susceptible to diseases due to the lack of ethylene's protective mechanism.

Fluke 87V Industrial Digital Multimeter

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

Smoking, drinking at school may be contagious for teens

A study published in Child Development found that teenagers in high-use schools are three times as likely to follow their peers' smoking behaviors compared to those in low-use schools. The researchers suggest that school-based programs may be effective in reducing tobacco and alcohol use among teens.

Adult influences may predispose teens to smoke

Research suggests that adult influence is a significant predictor of teen smoking, with ease of getting cigarettes from parents and non-parents linked to increased experimentation. The study highlights the importance of reducing social availability of tobacco to minors.

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Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Signs of smoking linger longer in menthol smokers

A recent study found that African-American menthol smokers had higher cotinine levels than white menthol smokers, despite similar daily cigarette consumption. The researchers suggest that cigarette preference, not ethnicity, may be the cause of this difference.

Nicotine patch effective without direct counseling

Over-the-counter nicotine patches are effective in helping smokers quit without behavioral support. The study found that active patch users were more likely to abstain from smoking for at least seven days, with 26.1% of participants achieving complete abstinence.

Smoking reduction strategies show success

Studies suggest that smokers can reduce their smoking by using various strategies, including nicotine replacement devices and behavioral interventions. Researchers found that those who used multiple strategies smoked fewer cigarettes per day compared to those who relied on a single method.

Additive-free cigarettes may pack a more toxic tobacco punch

A recent study found that alternative cigarettes like bidis and additive-free tobacco can deliver high levels of nicotine and other toxins, similar to conventional cigarettes. The study's results suggest that these products may pose a significant health risk to adolescents and young adults.

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.

Parents' smoke injures children's blood vessels

Children exposed to second-hand smoke show higher levels of a compound indicating oxidative stress and impaired blood vessel function. The study suggests that even low levels of parental smoking increase the risk of vascular damage in young children.

Gene researchers close in on nicotine's 'evil cousin'

Researchers are working to isolate the nicotine N-demethylase gene, which converts nicotine into nornicotine, a potent carcinogen. The goal is to reduce levels of harmful nitrosamines in Burley tobacco and explore alternate uses for the crop.

Scientists say NOW is the time to stop smoking

Effective strategies for quitting smoking exist, and clinicians can use evidence-based approaches to promote treatment of nicotine dependence, including patient assurance, low-tar cigarettes, FDA-approved medications, and awareness about adolescent nicotine use.

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.

A nicotine by-product reacts with proteins, say scientists at TSRI

Researchers found that nornicotine permanently modifies proteins, affecting their function, and reacting with steroids to form advanced glycation endproducts, linked to diseases like diabetes and Alzheimer's. The study highlights the need for more research into nicotine metabolites' consequences.

Study exposes dangers of snuff for smokers wanting to quit

A study by Dr. Scott Tomar found that men using snuff were more than twice as likely to switch to cigarettes than vice versa, with 40% of former snuff users continuing or starting smoking. The study also linked snuff use to increased cancer risk and other health problems.

Snuff use may be ‘gateway’ to cigarette smoking

A study published in the American Journal of Preventive Medicine suggests that snuff use may be a gateway to cigarette smoking. Men who had quit using snuff were more likely to have switched to cigarettes than those who had never used snuff, indicating that snuff might impede smokers' efforts to quit.

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.

OTC sales of smoking cessation aids up, effectiveness down

Despite increased OTC sales, smoking cessation aid effectiveness has decreased, particularly among light smokers who are less responsive to these products. Researchers recommend using NRTs in combination with behavioral counseling to overcome barriers to quitting.

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.

For the first time, drug shows promise to help spit tobacco users quit

A new study found that bupropion significantly improved abstinence rates among participants who used spit tobacco, with 44% quitting after 12 weeks compared to 26% in the placebo group. Additionally, participants taking bupropion gained less weight than those on the placebo, averaging only 1.54 pounds versus 9.7 pounds over the 12-week...

Cigarette tax hike could save millions of lives

A recent study estimates that cigarette tax hikes could prevent between 5 million to 16 million tobacco-related deaths globally. The greatest savings would be in low- and middle-income countries, with the greatest impact on young smokers. Price increases are considered the most cost-effective anti-smoking intervention.

Concern about future health problems goes up in smoke

Smokers are less sensitive to future health consequences than nonsmokers, prioritizing immediate health gains over long-term risks. Smoking cessation therapies should focus on illustrating the immediate consequences of not smoking, such as contingency management therapy.

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.

Less smoke, longer life for Poles

In Poland, cigarette smoking is responsible for nearly half of premature deaths. However, with new tobacco legislation, smoking rates are declining and life expectancy is improving, decreasing by nearly 4 years in men and over 3 years in women.

Meta Quest 3 512GB

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

Exploring the genetic commonality of alcohol and tobacco abuse

Researchers found that male and female rats selectively bred for high and low sensitivity to alcohol also exhibited differences in their response to nicotine. The study suggests that genetic factors may contribute to the co-occurrence of these two substances in individuals, highlighting the need for further research on this topic.

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.

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.

Cigarette ads target youth, violating $250 billion 1998 settlement

Researchers found that tobacco companies selectively increased youth targeting after the 1998 settlement, exploiting inconsistencies in the ban and government definition of youth magazines. The companies shifted their ads to magazines just under the limit, increasing youth targeting by 14% between 1997 and 2000.

Teens with positive role models and religion less likely to use tobacco

A study published in the American Journal of Health Promotion found that teens with positive role models and those who participate in religious activities are less likely to use tobacco. The study suggests that taking a positive, asset-based approach may help reduce tobacco use among young people.

Celestron NexStar 8SE Computerized Telescope

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

Younger age explains why smokers more likely to survive heart attacks

A large-scale study analyzing over 297,000 cases found that smokers are half as likely to die from heart attacks compared to nonsmokers. The main reason for this difference is the significant age gap between smokers and non-smokers, with smokers averaging 14 years younger at the time of their attack.

Tax increases can cut the number of habitual teen smokers

Teenagers living in high-tax areas were 13% less likely to smoke any cigarettes than those in low-tax areas. Regular smokers who purchased their own cigarettes responded more strongly to price increases, the study found. The study analyzed data from Monitoring the Future Surveys of 8th-, 10th- and 12-grade students.

Low-nicotine cigarettes studied as a smoking cessation tool

Studies found that denicotinized cigarettes can satisfy nicotine cravings and reduce smoke intake in smokers. The nicotine delivery method is linked to the sensory and habit components of smoking, suggesting a need for different techniques in comprehensive treatment programs.

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.

Smoking rate can be slashed in five years, UCSF study shows

A UCSF study suggests that with effective programs, including anti-tobacco media campaigns and community-based efforts, the US can reduce its adult smoking rate from 23-26% to 15% by 2010. This goal is within reach due to successful large-scale tobacco control initiatives in states like California.

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.