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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

California’s anti-smoking push spurs big savings on health costs

A new study confirms that California's tobacco control program significantly reduces smoking rates and lowers health care expenses. Over three decades, the program resulted in a 10% reduction in smoking prevalence and saved Californians $51.4 billion they would have otherwise spent on cigarettes.

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.

New treatment for COVID-19 is made from plants

Researchers at Arizona State University describe an innovative therapy using transient expression in tobacco plants to produce a monoclonal antibody against SARS-CoV-2. This class 4 mAb provides key advantages over existing treatments, including mutation resistance and universal protection against emerging variants.

Apple iPhone 17 Pro

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

Where do toxins from tobacco attack DNA?

Researchers at ETH Zurich have localized changes to DNA building blocks altered by tobacco smoke's toxic compounds. These findings suggest a potential method to predict cancer risk and study genetic predispositions.

CBD shows promise for reducing cigarette smoking

Researchers at Washington State University found that CBD inhibits a key enzyme for nicotine metabolism, slowing down its effects and allowing smokers to wait before feeling the urge to smoke. The study suggests that CBD could be a useful tool in reducing harm from smoking and quitting nicotine addiction.

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.

Smart necklace to help you stop smoking

A smart necklace called SmokeMon tracks a user's every puff and provides valuable insights into their smoking behavior. By analyzing heat signatures, the device can detect when a cigarette is being lit, how much smoke is inhaled, and when the person holds it to their mouth, helping to prevent relapse and improve quit rates.

DNA damage levels similar in vapers and smokers, study finds

A new study from the Keck School of Medicine of USC found that vaping and smoking both cause significant DNA damage in oral epithelial cells. The frequency and duration of vaping were associated with increased levels of DNA damage, which is linked to chronic diseases such as cancer and inflammatory conditions.

New tobacco product marketing depends on demographics

Researchers at Rutgers University found that disposable e-cigarettes were more likely sold in specialized stores, while nicotine pouches were available in convenience stores and areas with non-Hispanic white residents. The study suggests that these products are targeted to different audiences and informs potential policy actions.

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.

Controlling insect pests by targeting genes acquired from other species

Scientists have identified horizontally transferred genes in insect genomes as valid targets for selectively killing green peach aphids and whiteflies. Silencing these genes using RNA interference reduces pest survival by up to 40%, with potential expansion to other insects through 'stacking' multiple targets.

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.

Heavy smokers with severe periodontitis receive no benefit from treatment

A new study published in the Journal of Dental Research has found that heavy smokers with severe periodontitis do not receive any benefits from treatment. The study suggests that smoking cessation is crucial for effective treatment and may even worsen the disease during active treatment. The findings highlight the need to rethink pract...

Changes in state-level cigarette sales during pandemic

During the COVID-19 pandemic, state-level cigarette sales varied significantly across the US. The analysis found lower per capita sales in eight states and higher sales in 22 states compared to expected levels. These findings may be related to differences in state responses to the pandemic and tobacco control policies.

Physical fitness a demographic watershed

A study of 5,308 participants aged 50-64 found significant correlations between sedentary behavior and low fitness levels. Highly uneven fitness distribution was observed among groups at higher risk, including older adults, foreign-born individuals, and those with poor health and lifestyle habits.

Celestron NexStar 8SE Computerized Telescope

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

Study finds surprising risks for COVID-19 infection

Researchers identified several characteristics increasing risk of infection, while others decreased it. Strict adherence to mask-wearing and vitamin D consumption provided significant protection against COVID-19.

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.

Most dual smokers and vapers likely to carry on smoking

Research suggests that most dual smokers and vapers will continue smoking or vaping over time. The study found that vaping didn't contribute to substantial smoking cessation at the population level, emphasizing the need to help dual users ditch both products.

Tobacco use, incidence of adverse oral health outcomes

Current tobacco and electronic nicotine delivery systems use associated with increased risk of bleeding after brushing or flossing. Longitudinal studies highlight the importance of tobacco cessation counseling in clinical practice.

Connecting Spanish-speaking patients with Quitline improves quit rates

Researchers developed an approach to connect Spanish-speaking smokers with tobacco treatment delivered by state Quitlines, leading to improved treatment enrollment and smoking cessation outcomes. Patients who received treatment in Spanish completed more counseling calls and were more likely to report abstinence from smoking than those ...

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.

Banning fruity flavors did not deter vapers

The FDA ban on flavored e-cigarettes did not lead to a significant decrease in adult vaping rates. In fact, many users switched to other flavored e-cigs or tobacco products. The study suggests that policy loopholes and the availability of newer products contributed to the failure of the ban.

Emphysema more common in marijuana smokers than cigarette smokers

A study published in Radiology found that marijuana smokers have a higher incidence of emphysema and airway inflammation compared to non-smokers and tobacco-only smokers. The researchers suggest that the unfiltered nature of marijuana smoke and longer breath-hold puffs may contribute to these findings.

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.

Marijuana and e-cigs can harm the heart like traditional cigarettes

Researchers found that exposure to e-cigarettes, marijuana, and tobacco led to increased scarring, decreased blood vessels, and changes in heart nerves, all contributing to an increased risk of arrhythmias. These substances can cause similar harm to the heart as traditional cigarettes.

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.

Nicotine addiction, intensity of e-cigarette use by adolescents

A survey study of 151,000 students found that e-cigarette users were more likely to initiate tobacco use within minutes of waking. This increase in intensity and addiction is a concern, emphasizing the need for clinicians to address youth nicotine addiction during clinical encounters.

Social vulnerabilities linked to cardiometabolic risk during pregnancy

Research found social vulnerabilities such as poverty and minority status linked to increased cardiometabolic risk during pregnancy. The study analyzed nearly 19 million pregnancies in US counties from 2016-2020 and found that four leading cardiometabolic risk factors were associated with some social vulnerability.

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.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

New research shows e-cigarettes cause cardiac arrhythmias

A study by University of Louisville researchers found that exposure to e-cigarette aerosols can cause heart arrhythmias in animal models, promoting arrhythmias and cardiac electrical dysfunction. The study suggests that certain flavors or solvent vehicles in e-liquids may disrupt the heart's electrical conduction and provoke arrhythmias.

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.

Two out of five adults who use cigarettes smoke menthol

A study finds that menthol cigarettes are used by nearly two out of five adult smokers, with Black smokers using them at an alarming rate. The CDC is considering banning menthol-flavored cigarettes due to concerns over their impact on public health, particularly among young people and marginalized groups.

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.

Current FDA oversight of vaping industry likely to have minimal impact

The FDA's warning letters issued in 2020 and 2021 revealed that the regulator is failing to target leading tobacco companies and products most popular among young people. Over 90% of warnings were sent to small online retailers, while flavoured refillable e-cigarette liquids accounted for over 90% of the products cited.

Thirdhand smoke can trigger skin diseases

A UC Riverside-led study found that acute THS exposure initiates mechanisms of inflammatory skin disease and elevates urinary biomarkers of oxidative harm. The researchers discovered elevated molecular biomarkers in blood associated with early-stage activation of contact dermatitis, psoriasis, and other skin conditions.

Many New Jersey Merchants Will Sell Tobacco Products to Underage Buyers

A Rutgers study found that over 40% of store visits in New Jersey resulted in underage buyers successfully purchasing cigarettes and other tobacco products. The strongest predictor of an underage sale was failing to card, with independent stores and gas kiosks showing lower rates of age verification.

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.