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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

Depression linked to e-cigarette use among college students

A new study published in Nicotine & Tobacco Research found a significant link between elevated depressive symptoms and the initiation of e-cigarette use among college students. The research suggests that depression may lead to e-cigarette use as a means of self-medication or stress relief.

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.

Study adds to evidence that electronic cigarettes are not harmless

A new study published in JAMA Cardiology has found that habitual e-cigarette users are more likely to have increased cardiac sympathetic activity and oxidative stress compared to non-users. The findings suggest that e-cigarettes may not be harmless and warrant further research into their potential adverse cardiovascular health effects.

Apple iPhone 17 Pro

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

E-cigarettes are expanding tobacco product use among youth

A new study finds that e-cigarettes are expanding tobacco product use among youth, particularly those at low risk of starting with cigarettes. The researchers analyzed survey data from over 140,000 middle and high school students and found no evidence that e-cigarettes have caused a decline in youth smoking

Smoking-related imagery absent from only one James Bond movie to date

The James Bond series has conspicuously absent smoking-related imagery in only one film since its debut in 1962, according to a recent analysis published in Tobacco Control. Despite Bond himself no longer smoking, he is still exposed to second-hand smoke through his sexual partners and other characters.

Seeing vape pen in use boosts desire to smoke among young adults

A new study found that viewing vape pen use increases the urge to smoke in young adults, similar to watching someone smoke a cigarette. The study's results suggest that vape pens can be a potent trigger for smoking, despite their design differences from traditional cigarettes.

Instagram documents rising hookah use

A study analyzing Instagram data reveals a growing trend of hookah use in social settings and nightlife establishments. The research found that promotional material on social media is driving the increase in hookah use, often paired with alcohol consumption.

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.

Animal study shows harmful effects of secondhand smoke even before pregnancy

Exposure to second-hand tobacco smoke even before conception appears to impair fetal brain development throughout pregnancy, damaging regions involved in learning and memory. The impact was most severe with exposures occurring in late gestation, but adverse effects also occurred when mothers were exposed prior to conception.

Fewer see e-cigarettes as less harmful than cigarettes

A new study suggests that fewer people perceive e-cigarettes as a safer alternative to smoking tobacco, dropping from 50% in 2012 to 43% in 2014. The researchers found no association between awareness of e-cigarettes and attempts at quitting among current smokers.

Hookah tobacco labels are misleading, Roswell Park, UB researchers find

Research at Roswell Park and University at Buffalo found that many hookah tobacco products have inaccurate labeling regarding nicotine content. The study revealed significant variations in nicotine and pH levels among different types of tobacco, highlighting the need for standardized testing and regulation.

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.

Cigar warnings: Do teens believe them?

A new study by UNC School of Medicine found that only 49.8% of surveyed teens consider cigar warnings 'very believable', highlighting the need for improved tobacco prevention campaigns. The survey, which included 1,125 adolescents aged 13-17, suggests that graphic warnings may be more effective in engaging youth.

New study highlights smoking intensity in coronary heart disease risk

A new study found that smoking intensity and duration are crucial factors in coronary heart disease (CHD) risk. Researchers discovered that smokers with longer exposure to cigarettes face a higher relative risk of heart disease compared to those who smoke the same number of cigarettes over a shorter period.

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.

Global public health advocates open new fronts in war on tobacco

Public health advocates from around the world are using various tactics to reduce tobacco company influence, including pension fund reform and smoke-free legislation. Efforts have shown positive impacts on public health, such as a 13% decrease in all-cause mortality in Ireland.

Research uses mobile technology to help people quit smoking

A mobile app developed by researchers at the University of Oklahoma uses real-time risk estimation to predict tobacco cessation lapses, achieving an 80% accuracy rate. The app combines six questions to identify lapse-risk factors and delivers tailored messages to help smokers overcome triggers.

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.

Flavors influence appeal and use of most tobacco products, especially for youth

Research found that non-menthol flavors in most tobacco products play a vital role in how users perceive and use tobacco products. Banning these flavors could reduce tobacco product use, especially among adolescents. The study also highlights the detrimental public health impact of adolescent use of flavored tobacco products.

Scientists tweak photosynthesis to boost crop yield

Researchers developed a method to increase plant productivity by boosting levels of three proteins involved in photosynthesis. In field trials, modified tobacco plants showed increases of 14-20% in productivity. The study confirms that improving photosynthesis can lead to higher crop yields.

E-cigarettes may harm teens' lung health

New research found an association between e-cigarette use and persistent cough, bronchitis, and congestion in teenagers. The study suggested that even non-smoking e-cigarette users may experience respiratory symptoms, highlighting the need for further study on the long-term effects of e-cigarettes.

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.

Stop-smoking services under threat as budgets are cut

Sixty-nine percent of local authorities in England have reduced funding for stop-smoking services due to budget cuts. These services are crucial for smokers' successful cessation, with specialists three times more likely to help them quit.

Mutational signatures mark cancer's smoking gun

A study identifies telltale genetic fingerprints associated with smoking tobacco, demonstrating that smoking increases cancer risk by causing somatic mutations. The research found over 20 mutational signatures linked to tobacco smoking, with some signatures elevated in cancers from smokers.

Mutation types in diverse cancers associated with smoking

Researchers identified distinct mutational signatures associated with tobacco smoke, including Signature 4 and Signature 5. These signatures are linked to specific types of cancer, such as lung and larynx cancers, and may be driven by a cytidine deaminase enzyme or other unknown mechanisms.

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.

Smoking a pack a day for a year causes 150 mutations in lung cells

Researchers found that smoking one packet of cigarettes a day accumulates an average of 150 extra mutations in every lung cell, leading to increased cancer risk. The study also identified molecular fingerprints of DNA damage in smokers' DNA, revealing the complex mechanisms behind tobacco-related cancers.

Scientists identify missing link between smoking and inflammation

Researchers found that nicotine activates neutrophils, leading to the release of inflammatory molecules and increased inflammation throughout the body. This discovery has implications for tobacco-related diseases and may suggest alternative forms of nicotine inhalation have detrimental effects.

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.

Understanding vaping behavior

A new study using a modified Smoking Analyser technology examines vaping behaviour in e-cigarette users. The results provide valuable insights into how vapers use e-cigarettes and can help establish standardized testing protocols for e-cigarette emissions.

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.

Smoking bans persuade light users to give up the habit

A new study shows that smoking bans in cities and states lead to a significant reduction in the number of young people who start or continue smoking cigarettes. The study found that light smokers are more likely to give up cigarettes after a ban is implemented, while heavier smokers were not affected by the ban.

Transgender women who begin hormone therapy more likely to quit smoking

A new study found that transgender women on hormone therapy have a higher rate of smoking cessation compared to the general population, with 64% of current smokers quitting after starting treatment. Researchers believe this may be due to the life-changing event of hormone therapy and the associated health risks.

A talk with a nurse can persuade hospital patients to quit smoking

Research shows that trained nurses can significantly increase quit rates among hospital patients. The study found that patients who received coaching from a nurse had higher self-reported and lab-confirmed quit rates compared to those who did not receive similar training.

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.

College educated more likely to use e-cigs to quit cigarette smoking

A study by Georgia State University found that college-educated smokers are more likely to use e-cigarettes as a tool to quit smoking. The survey of over 1,200 smokers revealed that those with higher education levels were more intent on quitting and attempting to stop smoking in the past year.

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.

Heavy burden of EHRs could contribute to physician burnout

Physician burnout may be linked to heavy electronic health record (EHR) use. A recent study found that doctors spend nearly two additional hours on EHRs for every hour spent directly caring for patients, contributing to their physical and mental exhaustion. The burden of EHRs is a significant concern in the medical field.

Internet and mobile devices prompt positive lifestyle changes

Research reviewed 224 studies on Internet and mobile device interventions, finding improved diets, increased physical activity, and modest weight loss over 3-12 months. Programs with goal-setting, self-monitoring, and healthcare provider interactions were most effective.

Celestron NexStar 8SE Computerized Telescope

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

Bacteria in smokeless tobacco products may be a health concern

Research on smokeless tobacco products has identified several bacteria species associated with opportunistic infections, such as Bacillus licheniformis and Bacillus pumilus. These bacteria can produce toxins that cause illness in large quantities and may also contribute to the formation of carcinogenic compounds.

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.

Majority of US doctors discussing electronic cigarettes with their patients

A survey of US physicians reveals they frequently discuss e-cigs with patients, recommending e-cigs as a way to reduce smoking, but cautioning against using them to quit. However, the study found that many doctors are uncertain about their knowledge of e-cigs and are often asked by patients about their use.

Protecting plain tobacco packaging against industry influence

A commentary in CMAJ cautions against tobacco industry influence on Canada's plain packaging consultation. The authors advocate for media vigilance and government requirements to disclose conflicts of interest and ensure submissions are backed by peer-reviewed evidence.

Ramen noodles supplanting cigarettes as currency among prisoners

A new study finds that inmates are using ramen noodles as a form of money due to declining prison food services, signaling a trend of punitive frugality. Inmates are trying to figure out ways to better feed themselves as services are being cut back, leading to the rise of underground economy practices.

Researchers sequence genome of tobacco hornworm

The team's genome sequence will stimulate new research in molecular studies of insects and may lead to improved pest management methods. The sequenced genome provides insights into the tobacco hornworm's physiology, particularly its unique ability to evade insecticides.

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.

A minute of secondhand marijuana smoke may damage blood vessels

A new study published in the American Heart Association Rapid Access Journal Report found that secondhand marijuana smoke can cause temporary damage to blood vessels, similar to tobacco smoke. Exposure to secondhand marijuana smoke lasted for at least 90 minutes, whereas tobacco smoke exposure recovered within 30 minutes.