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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

Secondhand smoke raises odds of fertility problems in women

Women exposed to secondhand smoke as adults or children are more likely to face fertility problems and suffer miscarriages, with a 68% increased chance of difficulty getting pregnant. The study analyzed data from over 4,800 non-smoking women and found that four out of five reported exposure to secondhand smoke during their lifetime.

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.

Apple iPhone 17 Pro

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

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.

CHEST 2008: New research related to tobacco use

Research shows US military personnel deployed to Iraq have a significantly higher tobacco abuse rate than the national average. Meanwhile, New York residents who smoke are experiencing the effects of the state's tobacco reduction strategies. Additionally, studies link smoking to idiopathic pulmonary fibrosis in men.

US nicotine addiction reaches 15-year high

Nicotine dependence severity has increased by 12% between 1989 and 2006, with the proportion of people classified as highly nicotine dependent rising 32%. More individualized tobacco-dependent treatments are needed to address this increase in addiction severity.

Physicians lack smoking cessation training

A recent study found that 87% of physicians receive less than 5 hours of training on tobacco dependence, and only 6% know Agency for Healthcare Research and Quality guidelines. This lack of knowledge may contribute to low quit rates among smokers, who are more likely to succeed with provider assistance.

ADHD appears to increase level of nicotine dependence in smokers

Young people with ADHD are more likely to become dependent on nicotine and experience environmental factors that increase their risk of smoking. The study found that individuals with more ADHD-related symptoms were at greater risk of nicotine dependence than those with fewer symptoms.

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.

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.

How plants fine tune their natural chemical defenses

Researchers at the Salk Institute discovered that only a few mutations in an enzyme can shift the output of plant compounds, allowing them to adapt to changing environments. This finding has implications for developing environmentally friendly fungicides and pesticides, as well as new flavors and fragrances.

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.

Tobacco control programs reduce health-care costs

A new study published in PLOS Medicine found that tobacco control programs in California reduced personal health care expenditures by $86 billion between 1989 and 2004. The program's cost savings grew over time, reaching 7.3% in 2003-2004, and represented a significant return on investment for the state.

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.

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.

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.

The future of nicotine addiction treatment -- a nicotine vaccine?

Researchers are developing a nicotine vaccine to stimulate the immune system's response against nicotine, while also examining the effectiveness of combination therapies and counseling in treating nicotine addiction. Effective treatments are crucial to match individual patients' needs.

U of T research supports Ontario ban on cigarette displays

Research shows tobacco promotions were extensive in Ontario stores, with chain convenience stores having large displays and signs advertising tobacco. The study found that tobacco promotions were higher among stores close to schools and in low-income neighbourhoods.

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.

Cancer survivors who practice healthy habits have higher quality of life

Cancer survivors who practice healthy habits such as avoiding tobacco, eating more fruits and vegetables, and getting adequate exercise tend to have higher health-related quality of life scores. However, many survivors are not meeting physical activity recommendations or the '5-A-Day' fruit and vegetable consumption recommendation.

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.

Study finds racial disparities in smoking cessation treatment

A new study from the American Cancer Society finds racial disparities in smoking cessation treatment, with black and Hispanic smokers less likely to receive advice and aids. The study also reveals that men and those without a usual source of medical care are less likely to be screened for tobacco use and receive advice to quit.

Your baby's brain on drugs (and alcohol and tobacco)

A study using MRI scans found that prenatal exposure to these substances can reduce cortical gray matter and total brain volumes. The effects were additive, with more substances leading to greater reductions in brain volume. Health care providers should offer comprehensive care to pregnant women to help reduce psychoactive substance use.

Gene 'knockout' floors tobacco carcinogen

Researchers at NC State University have developed a method to silence a gene that turns nicotine into a carcinogen, resulting in a six-fold decrease in N-nitrosonornicotine and a 50% overall reduction in TSNAs. This breakthrough could lead to tobacco products with reduced amounts of cancer-causing agents.

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.

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.

Women and cigarettes, the causes for consumption

A study by María Luisa Jiménez Rodrigo explores the reasons behind women's rising cigarette consumption in Spanish society over the past 50 years. Women use cigarettes as a tool for stress relief, social interaction, and to control appetite and body weight, reinforcing traditional feminine norms.

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.

Smoking marijuana associated with increased risk for gum disease

Regular marijuana use in young adulthood is associated with a higher risk of developing periodontal disease, according to the study. Cannabis exposure groups showed significant increases in periodontal attachment loss and new attachment loss compared to non-users.

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.

Number of Russian women smokers has doubled since Soviet collapse

Since the Soviet collapse, Russian women's smoking rates have more than doubled, with men's rates also increasing. The researchers blame privatization of the tobacco industry and industry lobbying for this alarming trend. The study used data from over 7,000 individuals, showing that the least educated are disproportionately affected.

Marijuana withdrawal as bad as withdrawal from cigarettes

A study by Johns Hopkins Medicine finds that marijuana withdrawal is similar to tobacco withdrawal, with common symptoms like irritability and trouble sleeping. The research suggests that clinicians treating marijuana addiction should consider these effects in their practice.

Lighting up the powerful global smoking lobby

The tobacco industry has formed a global network of manufacturing associations to challenge local tobacco control measures and promote smoking. The International Committee on Smoking Issues (ICOSI) played a key role in this strategy, with documents revealing strategies to undermine public health efforts.

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.

Domestic violence identified as stressor associated with smoking

A new study from Harvard School of Public Health found an association between domestic violence and adult smoking among Indian women. The study suggests that domestic violence may act as a 'stress reliever' in households where it occurs, leading to increased tobacco use.

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.

Stop smoking services are reducing the UK's health gap, shows study

A recent study by the University of Bath found that smokers from poorer areas are using NHS stop smoking services and successfully quitting at a higher rate than those from more affluent communities. The overall proportion of smokers from disadvantaged areas accessing these services is also higher, suggesting that the NHS stop smoking ...

Tobacco marketers targeting teens near schools

A Canadian study reveals tobacco marketers are targeting teens near high schools by marketing in retail shops, often located near schools with high smoking prevalence. The study found that these stores offered lower prices, more promotions, and fewer health warnings, creating an environment that promotes student smoking.

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.

Nicotine addiction slashed in test of new cigarette smoking strategy

Scientists report a breakthrough strategy to reduce smokers' nicotine dependence while allowing them to continue smoking. By gradually decreasing nicotine content in cigarettes, most smokers cut their daily cigarette consumption by 40% and experienced comparable reductions in nicotine intake.