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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

High schools need to bolster tobacco control efforts

A survey of South Carolina high schools found that suspending smokers may increase truancy and poor academic achievement. Tobacco education curricula are rarely employed, with only six percent of principals using cessation programs for students caught smoking.

Nicotine vaccine shows promise for combating tobacco addiction

A new nicotine vaccine has been developed to prevent and treat tobacco addiction by blocking nicotine from reaching the brain. The vaccine, which uses antibodies to bind to nicotine, has shown promising results in laboratory studies, reducing nicotine levels in the brain by up to 64%.

Apple iPhone 17 Pro

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

Fewer adults smoking but youth smoking on rise: study

The Ontario Student Drug Use Survey reveals a significant increase in youth smoking rates to 28% this year. Meanwhile, adult smoking rates have decreased, but cigarettes remain accessible and affordable for minors, a major concern.

Depressive symptoms no bar to quitting smoking

Researchers from Brown University School of Medicine and Miriam Hospital found that individuals with a history of depression can successfully quit smoking, with an average reduction in smoking rate by 80%. However, those who quit may be at a higher risk of later relapse if depressive symptoms persist.

Chewing tobacco hampers ability to perform complex tasks

Researchers found that smokeless tobacco users exhibited slower learning and adjustment to new requirements, more jerks, and less accurate overall performance compared to non-smokers. Tobacco use on the job can reduce an individual's capability to learn new visuo-motor mapping.

Chewing tobacco use linked to dental caries

A large-scale study found that chewing tobacco users are more likely to develop dental caries, especially on the root surfaces of their teeth. The researchers suggest that high sugar content in chewing tobacco and its use pattern may contribute to tooth decay.

Few physicians counsel adolescents about smoking

A study by Massachusetts General Hospital found that only 17% of office visits included smoking-related counseling for adolescents. The frequency of questioning about smoking habits did not improve during the study period, and younger nonwhite adolescents were less likely to receive counseling.

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.

USC receives $12.8 million to study teen smoking

The University of Southern California has received a $12.8 million grant to establish a national center studying tobacco use and prevention among teen-agers from Pacific Rim cultures. Researchers will investigate how culture, immigration, and adaptation affect smoking habits and design effective ways to discourage smoking.

Tobacco industry influence and income on decline in California

A recent report from UC San Francisco reveals a decline in tobacco industry influence in California, with decreasing campaign contributions and revenue. The report finds that Republicans received 81% of tobacco money in the 1997-1998 election cycle, despite Democrats controlling both houses of the Legislature.

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 finds prenatal exposure to testosterone boosts smoking

A new study reveals that prenatal exposure to higher levels of testosterone in pregnant smokers may predispose their daughters to develop a smoking habit as they age. Researchers analyzed data from over 240 pairs of mothers and daughters, finding no correlation between prenatal nicotine levels and later smoking behavior.

Full collection of R. J. Reynolds "Joe Camel" campaign documents now online

The Mangini Collection of 80,000 pages of documents chronicle R.J. Reynolds' struggle to hold onto market share as tobacco use declined, focusing on attracting young first-time smokers. The documents also reveal the company's efforts to refute findings that Joe Camel had a higher rate of recognition among schoolchildren than Mickey Mouse.

Cigarette price increases will cut youth smoking by 26 percent

A study by Virginia Tech found that a $0.45 per-pack price increase for cigarettes leads to a 9% reduction in overall domestic consumption, with a notable impact on young smokers. The study suggests that the price hike will discourage youth from starting smoking and reduce existing habits.

Smoke-Free Restaurant Laws Have Not Hurt Tourism, New Study Finds

A new study by researchers at the University of California San Francisco found no correlation between smoke-free restaurant laws and decreased hotel revenue or tourist volume. In fact, some cities experienced statistically significant increases in hotel revenues and international tourist numbers after implementing such laws.

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.

Children Of Smokers Suffer Negative Health Effects Later In Life

Research suggests that children who grow up in smoking households experience small but lasting negative effects on their health, including higher blood pressure and heart rate. The study found that even though the children were not exposed to tobacco smoke at home, they still had higher baseline rates, putting them at risk for hyperten...

Women Smoking Menthol Cigarettes Have Greater Nicotine Exposure

A recent study published in Addictive Behaviors found that women smoking menthol cigarettes inhale more deeply, resulting in higher nicotine exposure. The study also showed that these smokers tend to take their first cigarette earlier in the day, increasing their nicotine dependence.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Majority Of Animated Films Shows Alcohol, Tobacco Use, UNC-CH Content Study Finds

A University of North Carolina at Chapel Hill study found that more than two-thirds of animated feature films produced for children over the past 60 years display tobacco or alcohol use. The study examined nearly all G-rated animated films released between 1937 and 1997, including popular titles such as Disney and Warner Brothers films.

Tobacco Control Is Global Challenge, WHO Director Says

The World Health Organization (WHO) emphasizes the need for concerted action to reduce tobacco use among children. Tobacco control is a cultural struggle against tobacco companies targeting adolescents. Governments must take decisive actions to cut tobacco consumption, while supporting farmers and workers in the tobacco industry.

Cigarette Smoking Key To Future Risky Behaviors, Wake Forest Study Shows

A recent study by Wake Forest University Baptist Medical Center found that middle school-aged adolescents who begin smoking cigarettes at age 11 or younger engage in twice the number of risky behaviors that could end their life. These risk behaviors include substance abuse, violence, and suicidal thoughts.

Celestron NexStar 8SE Computerized Telescope

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

Scientists Finger A Molecular Kingpin In Body's Response To Cigarettes

Scientists have identified a specific gene, the AH receptor, as a vital link in the chemical cascade that causes cancer when exposed to cigarette smoke. The study found that mice without this receptor showed no damage from cigarette smoke, suggesting it plays a crucial role in controlling gene damage.

Smoking And Preschoolers: Does Familiarity Breed Attempts?

A survey of preschoolers found that those from smoke-free homes were less likely to want to smoke later in life. Children who saw pictures of smoking characters like Joe Camel incorrectly associated them with smoking, highlighting the influence of early exposure on attitudes towards smoking.

Role Of Government Branches In Tobacco War

A new University of Michigan study investigates the impact of tobacco litigation on public health policy, concluding that courts are not well-suited for adopting policy changes. The authors argue that building a moral and political case is essential to achieve tobacco control goals through legislative and regulatory processes.

Fluke 87V Industrial Digital Multimeter

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

Health Ministers Ask Urgent Steps To Protect Children From Tobacco

Health ministers in the Americas call for urgent steps to regulate tobacco advertising and prevent minors' access, with a focus on educational, legislative, and fiscal measures. The region faces significant health and economic burdens due to tobacco use, with 670,000 deaths annually attributed to tobacco.

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.

Puffing Ban Has Not Hurt Restaurants, Study Shows

A new study from the University of North Carolina at Chapel Hill found that prohibiting smoking in restaurants had no adverse economic effect on the industry. The research analyzed data from counties with strict smoking ordinances and compared it to similar counties without such laws, revealing no significant changes in restaurant sales.

Genetic Defect Protects Against Smoking

A study published in Nature found that people with a genetic defect that reduces nicotine metabolism are less likely to become smokers and smoke fewer cigarettes. The defect is present in 20% of non-smokers, compared to 10% of smokers.

Gene Variant Found That Can Help Protect Against Nicotine Addiction

A study discovered that individuals carrying a genetic variant in the CYP2A6 enzyme break down nicotine more slowly, leading to greater resistance to nicotine addiction. This finding suggests that medications targeting the enzyme may help prevent and treat nicotine addiction.

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.

Tobacco Industry Campaign Contributions Influence State Legislators' Votes

A study by the University of California - San Francisco found that tobacco industry campaign contributions have a substantial impact on state legislators' voting patterns, particularly in states with varying levels of partisan control. The researchers scored legislators on a scale from pro-tobacco to pro-public health and found that in...

Nitrosamines Play Important Role In Cancer Linked To Smoking

A comprehensive review article by Stephen S. Hecht summarizes the biochemistry, biology, and carcinogenicity of tobacco-specific nitrosamines, linking them to lung cancer formation. The article highlights the importance of understanding these compounds for developing effective chemoprevention strategies and targeted prevention methods.

Study Finds Some People Are 'Born To Smoke'

Researchers identify genetic factors contributing to smoking propensity, suggesting a cluster of characteristics linked to biological sensitivity. The study refutes parental wisdom that getting sick after sneaking a cigarette deters future smoking.

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.

Cigars Double Risk Of Cardiomyopathy

Regular cigar smokers face almost double the risk of dying from all forms of cancer combined and certain circulatory conditions, including hypertensive heart disease and cardiomyopathy. Cigar smoke contains toxins such as carbon monoxide, benzene, and nicotine, which can lead to these health risks.

Smoking In Movies Is Increasing, In Contrast To Real Smoking Rates

A new study by UCSF researchers found that smoking in movies has returned to levels comparable to the 1960s, with pro-tobacco portrayals remaining prevalent. The incidence of smoking in films increased dramatically during the 1990s, exceeding real smoking rates and reinforcing misleading images.

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.

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.

Research Shows State Legislators Willing To Tax Tobacco Products

A study of state legislators in North Carolina, Texas, and Vermont found that most support stronger measures to prevent tobacco sales to minors. Many lawmakers would also support increased cigarette excise taxes under specific conditions, with revenues going towards helping tobacco farmers diversify their products.

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.

Law Targeting Youth Tobacco Sales Ineffective, Not Enforced, Police Say

A University of North Carolina study found that most NC police officers think the state law restricting tobacco sales to adults only should be changed due to its ineffectiveness in preventing youth access. Only a small percentage of officers try to enforce the law, citing barriers such as lack of manpower and poorly written legislation.

Neighborhood Merchants Target Teens For Cigarette Sales

A Johns Hopkins study found that in 83 neighborhood stores, 86% of African-American and white teen buyers successfully purchased cigarettes, often with seductive advertisements targeting minors. The researchers suggest strengthening public awareness of tobacco's health hazards to prevent teen smoking.

A Drop Of Drink Can Protect Against Stroke, But Even A Bit Of Smoke Increases Risk

Research suggests that light to moderate alcohol consumption can lower stroke risk by up to 62% compared to non-drinkers. However, excessive drinking and cigarette smoke increase the risk of stroke. The study found a strong association between passive smoking and an increased prevalence of silent brain lesions, which can lead to stroke.

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.

How Smokeless Tobacco Damages The Mouth

Researchers identified how smokeless tobacco causes blood vessels to leak in the mouth leading to inflammation. The study found that exposure produces bradykinin, a potent pro-inflammatory peptide.