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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

Smoke-free laws led quickly to fewer hospitalizations

Comprehensive smoke-free laws resulted in rapid decreases in heart attack hospitalizations (15% reduction), stroke hospitalizations (16% decrease), and respiratory disease hospitalizations (24% drop). The most effective laws covered workplaces, restaurants, and bars, demonstrating the importance of inclusive legislation.

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.

Many options available to help smokers kick the habit

Current resources and strategies for helping smokers quit are available, but often underutilized. The author recommends combining behavioral support with nicotine replacement therapy to improve success rates. Many smokers may not be aware of the support offered by free nationwide toll-free numbers like 1-800-QUIT-NOW.

Meta Quest 3 512GB

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

Tobacco contains highly toxic compounds not regulated by law

A study analyzing ten brands of cigarettes found significant variations in the concentrations of harmful and carcinogenic substances, which are not regulated by law. The researchers developed catalysts to reduce the toxicity levels of tobacco, including a material that reduces carbon monoxide emissions by 23%.

Uptick in cinematic smoking

A new UCSF study reveals a significant uptick in cinematic smoking, with top-grossing films featuring nearly 1,900 tobacco incidents in 2011. The increase in onscreen smoking targeted young audiences, contributing to the risk of starting to smoke and developing tobacco-induced disease.

Embargoed news from Annals of Internal Medicine

Researchers found that brief, multicontact behavioral counseling interventions delivered by primary care physicians reduced hospital stays for adults with risky drinking. The campaign 'Tips from Former Smokers' successfully encouraged smokers to quit, with calls to the toll-free quit line more than doubling during the 12-week campaign.

Smoking abstinence tough for teens, too

A new study reveals that abstaining from smoking significantly affects teenagers' mood, cravings, and withdrawal symptoms in a manner similar to adults. Contrary to expectations, teenagers who had smoked for only two years showed strong negative effects after just one day of abstinence.

Fluke 87V Industrial Digital Multimeter

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

Plain packaging reduces the appeal of smoking

A study found that plain cigarette packs reduce their appeal among young Brazilian women, while branded packs are considered more stylish and sophisticated. The research supports the recommendation for plain packaging to reduce smoking among youth and young adults.

Adolescent smokers have artery damage

Research presented at ESC Congress found that adolescent smokers have thicker artery walls, indicating early development of atherosclerosis. Early exposure to tobacco smoke is associated with various adverse health outcomes in children and adolescents.

Electronic cigarettes do not damage the heart

A clinical study found that electronic cigarettes do not cause significant defects in cardiac function, unlike smoking tobacco cigarettes. The study compared the effects of e-cigarettes and tobacco cigarettes on 20 young daily smokers and 22 electronic cigarette users, showing no acute adverse effects from e-cigarette use.

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.

First identification of a strong oral carcinogen in smokeless tobacco

Scientists have identified (S)-NNN as a strong oral carcinogen in smokeless tobacco, found to induce large numbers of oral and esophageal tumors in laboratory rats. The US government is urged to regulate or ban the substance to protect the health of the 9 million US users of chewing tobacco and snuff products.

World's largest tobacco use study: Tobacco control remains major challenge

A massive international survey of tobacco use in 3 billion individuals reveals the ongoing threat of tobacco, with industry manipulation and government complicity hindering effective control. The study emphasizes the need for increased resources to implement tobacco control strategies and counter pro-tobacco forces.

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.

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.

Soda companies' PR campaigns are bad for health

Experts say soda companies' corporate social responsibility campaigns distract from the health risks of sugary beverages and shift blame to consumers. The campaigns target young people and aim to increase sales, diverting attention from the industry's contribution to rising obesity rates.

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.

To quit smoking, try eating more veggies and fruits

A University at Buffalo study found that smokers consuming the most fruit and vegetables were three times more likely to abstain from tobacco use for at least 30 days. These findings persisted even when adjusting for other factors such as age and health orientation.

Higher taxes, smoke-free policies are reducing smoking in moms-to-be

A recent study found that higher taxes on cigarettes and implementation of smoke-free policies are effective in reducing smoking during pregnancy. The study, published in the American Journal of Preventive Medicine, also showed that these policies can help prevent relapse after delivery, with a $1.00 increase in tax resulting in a 4.8 ...

Babies to mothers who smoke weigh 200 grams less at birth

A study of 1216 babies found that those born to mothers who smoked during pregnancy weighed and measured less, with lower body mass index. The results highlight a significant difference in body composition between babies born to smoking and non-smoking mothers.

After 25 years, World No Tobacco Day is making an impact

A new study found that World No Tobacco Day significantly increases interest in quitting smoking, with cessation news coverage and Internet search queries peaking on the anniversary day. The research also suggests that low- and middle-income countries can benefit from increased awareness and inspiration to quit tobacco.

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.

Apple iPhone 17 Pro

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

Cardiovascular safety concerns over smoking-cessation drug misleading

A new UCSF study questions the previous analysis of varenicline's safety, finding no clinically or statistically significant increase in serious adverse cardiovascular events. The researchers analyzed data from 22 trials with over 9,200 participants, concluding that the risk difference is only 0.27 percent.

Apartment dwellers often subjected to neighbors' tobacco smoke

Research shows that nearly one-third of apartment dwellers report smelling tobacco smoke in their buildings, with children being more vulnerable. A smoke-free building is crucial to protect shared indoor air, and residents receiving government housing subsidies are more likely to experience exposure.

Genetic variants, tobacco exposure and lung cancer risk

A study published in JNCI found a strong association between genetic variants rs1051730-rs16969968 and objective measures of tobacco exposure, indicating that lung cancer risk is largely mediated by level of tobacco exposure. The research used data from six independent studies to analyze self-reported cigarette consumption and plasma o...

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.

Marijuana use higher in young adult smokers than previously reported

A recent survey conducted by UCSF researchers found that half of young adult tobacco smokers also use marijuana, with usage highest among Caucasians and rural residents. The study suggests that smoking cessation programs should take into account the effect of marijuana use in their treatment plans.

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.

Research sheds new light on extra help for smokers trying to quit

A study published in the British Medical Journal found that offering free nicotine patches and proactive counselling to smokers calling an NHS quitline did not increase the number of people who successfully quit smoking. The trial compared the effectiveness of this extra support against standard reactive quitline support, with no signi...

Researchers find that smoking may restore tapped-out self-control resources

Researchers found that smoking restored depleted self-control resources in smokers, improving their mood and performance on frustrating tasks. This study suggests that nicotine can be a maladaptive way to cope with stress, and alternative strategies like relaxation or sugary drinks may be healthier options.

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.

Trans-Pacific Partnership Agreement threatens public health

The draft TPPA threatens progressive public health policies by shifting the balance of power in favour of transnational corporate interests. The agreement aims to set a 'gold standard' for removing barriers to the global alcohol and tobacco industries, posing minimal impediments to global strategies.

Extending smoking ban outside bars could help curb 'social smoking'

A small qualitative study suggests extending the smoking ban outside bars could help curb 'social smoking' by removing cues that stimulate this behavior. Social smokers often have conflicted identities and manage their smoking through limiting where and when they smoke, rationalizing their behavior with drinking.

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.

US Energy Department grants $1.87 million for plant fuel project

The US Energy Department has granted over $1.8 million to a researcher studying terpenoids in plants as a potential fuel source. The goal is to create a sustainable fuel production method that can be easily extracted from plants, reducing dependence on oil fields.

Smoking bans lead to less, not more, smoking at home

A study of four European countries with smoke-free legislation found that banning smoking in public places prompts smokers to ban smoking at home, contrary to the displacement hypothesis. The percentage of smokers implementing a home smoking ban increased significantly across all countries.

Using plants to silence insect genes in a high-throughput manner

Researchers at the Max Planck Institute for Chemical Ecology have successfully silenced insect genes in a high-throughput manner using plant-mediated RNA interference. By targeting specific genes, such as CYP6B46, the scientists demonstrated that the gene silencing worked with high specificity and no collateral damage.

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.

Scientists confirm tobacco use by ancient Mayans

Researchers analyzed Mayan containers for nicotine traces, revealing physical evidence of tobacco use dating back to the Late Classic Maya period (600-900 AD). The study confirms the intended use of an ancient container and highlights the importance of mass spectrometry in analyzing organic residues.

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.

Tobacco company misrepresented danger from cigarettes

A new UCSF analysis of tobacco industry documents reveals that Philip Morris USA manipulated data on the effects of additives in cigarettes, including menthol. The researchers found that hundreds of additives should be eliminated from cigarettes due to their potential to increase health risks for smokers.