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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

Attention-deficit linked to smokers' self-medication needs

Individuals with severe inattention and hyperactivity symptoms may use tobacco as self-medication to manage their symptoms. The study suggests that screening participants in smoking cessation programs for these symptoms could identify smokers who need additional intervention and tailor treatments to address their specific needs.

Racial difference seen in effectiveness of stop-smoking programs

A new study found that smoking cessation programs may be less effective for black smokers than for white smokers, with a 23% quit rate compared to 34% after one year. However, the difference narrowed over time, suggesting that interventions without specific adaptations for black participants may still be effective.

Underage smokers respond to threat of legal penalties

A recent study found that middle school and high school students are more likely to quit smoking when faced with the prospect of fines or license loss. Students in high-enforcement areas were also more aware of penalties and had lower smoking rates, ranging from 21-26.6% compared to low-enforcement areas.

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.

Military personnel would rather smoke than gain weight

A recent study published in American Journal of Health Promotion reveals that military personnel struggle more with weight gain than tobacco use, hindering successful smoking cessation rates. Active-duty participants were four times more likely to relapse if they anticipated gaining 5-10 pounds after quitting smoking.

Tobacco-industry sponsored research misled

Researchers from Mayo Clinic and University of Minnesota found that tobacco industry sponsored research misled the public about the health risks of secondhand smoke. The study analyzed over 1.5 million pages of internal documents, revealing a campaign by the industry to deny health risks and preserve profits.

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.

Explosion in corporate tobacco sponsorship

The study found that at least 2733 events and organizations across the USA were sponsored by tobacco dollars. Motor sports lured almost two thirds of monies at $208 million. Tobacco industry sponsorship is a crucial sales, branding, and public relations tool.

Smoking may ease anger and anxiety, acting as trigger

A study found that emotional smokers have a harder time quitting due to the urge to smoke triggered by anger or anxiety. The research also revealed gender differences in emotional triggers of smoking, with men more likely to smoke when angry and women more likely to smoke when happy.

Green tobacco sickness 'highly prevalent' in N.C. farmworkers

A study of 44 North Carolina farmworkers found that 65 occurrences of green tobacco sickness, including nausea and dizziness, were reported over a 10-week period. The researchers believe the actual prevalence may be higher due to non-participating workers.

Progress 'stalled' in controlling tobacco use in California

A new report by the University of California, San Francisco, reveals that California's tobacco control program is 'stalled and adrift,' with a significant lack of funding. Despite initial optimism under Governor Gray Davis, the program has been slow to implement aggressive measures, leading to thousands of unnecessary deaths from smoking.

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.

Apple iPhone 17 Pro

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

New Mayo Clinic study questions benefit of smoking reduction

A new Mayo Clinic study found that heavy smokers who cut back their smoking rate may not see health benefits, contradicting the assumption that reducing smoking can lead to better health. The study of 23 heavy smokers over nine weeks showed mixed results, with some biomarkers improving and others worsening.

Self-help programs help smokeless tobacco users quit

A new study found that low-cost self-help approaches, including mail and phone interventions, can help a sizable proportion of smokeless tobacco users quit. Phone counseling was particularly effective in aiding quitting, suggesting that verbal reporting of quit dates and use of oral substitutes may be key to success.

Young users of smokeless tobacco lack awareness of its dangers

A study found that young users of smokeless tobacco lack awareness of its health risks, with only 74% knowing it's harmful to their health. The survey also revealed that users often describe themselves as 'cool' and 'macho', reflecting the tobacco industry's marketing efforts.

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.

Teen cigarette, smokeless tobacco uses decline substantially

According to a University of Michigan study, teen cigarette smoking rates have declined significantly since the '90s. The Monitoring the Future survey found that 8th-12th graders showed statistically significant declines in current and daily smoking measures.

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.

Coffee may protect against bladder cancer

Researchers analyzed data from over 500 cases of bladder cancer and found that smoking increases the risk. Coffee drinkers who also consumed tobacco were three times less likely to develop bladder cancer than non-coffee drinking smokers.

Belief in dangers of secondhand smoke deters teen smoking, study finds

A survey of 300 smokers and nonsmokers aged 14-22 found that concern for others' health is a stronger motivator to quit smoking than fear of one's own health. The study suggests educating young people about secondhand smoke's effects and encouraging nonsmoking teens to speak out should be key elements of anti-tobacco programs.

Young healthy smokers take significantly more days off work than non-smokers

A recent study found that young healthy smokers had substantially more lost work days than their non-smoking colleagues. The risk of lost work days was increased by 60% among men who smoked and by 15% among women smokers, with 14% of lost workdays among men and 3% of those among women directly linked to smoking.

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.

Household exposure to passive smoke depletes some vitamins in non-smokers

A study found that household exposure to passive smoke is associated with lower serum concentrations of carotenoids and other micronutrients in non-smokers. This depletion may be due to cigarette smoke exposure, rather than shared inadequate diets, suggesting a possible causal link between passive smoking and nutrient deficiencies.

Women more vulnerable to effects of cigarette smoke than men

A large-scale survey of over 65,000 people in Norway found that women are more susceptible to the damaging effects of cigarette smoke. Women reported higher rates of respiratory symptoms and asthma compared to men, particularly among those who smoked more cigarettes daily.

Alcohol and smoking: why they go together

Researchers found that smokers with a past history of alcoholism have increased nicotine self-administration and rewarding effects, suggesting a link between the two addictive behaviors. The study suggests that medications to block nicotine dependence and counseling may be effective in helping these individuals quit smoking.

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.

Study links teen smoking to symptoms of depression

A new study published in Pediatrics reveals a strong link between teenage smoking and depressive symptoms, with non-depressed teens who smoke facing a four times greater risk. Social factors such as peer tobacco use, poor school performance, and parental report of bad temper also predict progression to heavy 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.

Nicotine addiction can start within a few days and after just a few cigarettes

A study published in Tobacco Control found that symptoms of nicotine dependence can appear within four weeks or even just a few days of starting to smoke. The research team monitored over 700 teenagers and found that nearly two-thirds developed at least one symptom of addiction, with feeling addicted being the most common initial symptom.

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.

Cigar smoking is a serious risk to public health

Research finds that cigar smoking causes cancers of the lung and upper aerodigestive tract, with risks approaching those of cigarette smoking. Environmental cigar smoke contributes significantly to indoor air pollution, posing health hazards.

Florida campaign shows progress in reducing youth smoking

A comprehensive youth-led prevention program in Florida has helped reduce cigarette smoking among middle and high school students. The program, implemented in 1998, resulted in a 40% decline in current cigarette use among middle school students and an 18% decrease among high school students over the two-year period.

Tobacco use common among college students

College students are at risk of developing nicotine dependence due to the high prevalence of tobacco use, which includes smoking cigarettes and cigars. The study found that tobacco users also engage in other substance abuse behaviors, such as marijuana use and binge drinking.

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.

Study evaluates Zyban in smokeless tobacco users

A 12-week study found that 49% of patients treated with Zyban had not used tobacco for the previous four weeks, compared to 26% in the placebo group. The three-month figures showed a slight increase in quit rates, but further research is needed.

Analysis of study looks at why quitters return to smoking

A study analyzing a maintenance use trial found that people who quit smoking using placebo cited overwhelming cravings as the most frequent reason for returning to smoking. In contrast, those treated with Zyban (bupropion HCl) Sustained-Release 150 mg Tablets, cited presence of other smokers and stress as top reasons.

Celestron NexStar 8SE Computerized Telescope

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

Tobacco smoke flavoring contains hazardous chemicals

Researchers discovered toxic alkenylbenzenes in tobacco smoke, which can cause cancer and lung disease in humans. The compounds are more likely to affect health when filtered cigarettes' ventilation holes are blocked.

Use of smokeless tobacco may lead to breast cancer, Wake Forest team reports

Researchers at Wake Forest University School of Medicine report a significant increase in breast cancer risk among Eastern Band Cherokee women who use smokeless tobacco. The study found that the risk of breast cancer rose almost eightfold compared to non-users, highlighting potential health concerns with alternative nicotine products.

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.

Tobacco chemical protects against Parkinson's disease

Scientists have identified a tobacco compound that may explain why smokers are less vulnerable to Parkinson's disease. The naphthoquinone derivative works by interfering with an enzyme in the brain that breaks down neurotransmitters.

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.

New test can help doctors predict which adolescents are smokers

A new test using a urine sample and written survey can help doctors identify adolescents who smoke cigarettes, allowing for early intervention. The test also identifies 'experimenters' - young people who smoke occasionally but haven't committed to the habit full-time.

Tobacco farm workers may contract tobacco sickness, Wake Forest study shows

A recent study by Wake Forest University School of Medicine reveals that 41% of tobacco farm workers experience green tobacco sickness, characterized by headache, nausea, and dizziness. The illness is linked to acute nicotine poisoning caused by contact with wet tobacco leaves, which is rapidly absorbed through the skin.

Meta Quest 3 512GB

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

Nicotine may have another side effect: heavy drinking

A recent study found that nicotine increases alcohol consumption and may require simultaneous treatment for addiction. Nicotine activates the brain's nicotinic receptors, leading to dopamine release, similar to alcohol consumption.