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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

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.

'Thirdhand smoke' may be bigger health hazard than previously believed

Scientists have found that thirdhand smoke, the invisible remains of cigarette smoke, can react with ozone in indoor air to form potentially toxic pollutants on surfaces. This can lead to adverse health effects, particularly for vulnerable populations like babies crawling on carpet or people eating food tainted by thirdhand smoke.

Risks associated with secondhand smoke in cars carrying children

Research suggests that secondhand smoke in cars carrying children can cause significant health risks due to fine particulate concentrations. Legislation against smoking in cars with children may be warranted given the exposure to smoking and vulnerability of children.

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.

Europe reins in the smoking habit

A study by the Smoking Control Unit of the Catalan Institute of Oncology confirms that Europe's anti-tobacco laws have a direct effect on reducing tobacco consumption and passive smoke exposure. The European Union countries with stricter controls on smoking show lower consumption rates, particularly in the UK, Ireland, Malta, and Sweden.

Apartment-dwelling children in nonsmoking units still exposed

Children living in apartments are at higher risk of tobacco smoke exposure due to shared ventilation systems or wall contamination. The study found that over 84% of children in multi-unit housing had been exposed to tobacco smoke, compared to 70% in detached houses.

Second-hand smoke increases risk of invasive meningococcal disease in children

A systematic review and meta-analysis found that second-hand smoke exposure doubles the likelihood of invasive meningococcal disease in children, with strongest effects seen in youngest age groups. The study suggests reducing second-hand smoke exposure can reduce deaths and illness caused by invasive bacterial diseases.

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.

Smoke from fireworks is harmful to health

Research reveals that fireworks smoke releases bio-reactive metallic particles that can affect human health, especially for those with asthma or cardiovascular problems. The study found elevated levels of lead, copper, and other metals in the air after fireworks displays.

School attendance, refusal skills combat smoking risk in youth

A University of Missouri researcher found that school attendance and refusal skills are key factors in combating smoking among youth, particularly Asian Americans. The study indicates a 300% increase in smoking among Asian Americans ages 12-17 compared to those age 18 years and older.

Smoking during pregnancy may harm the child's motor control and coordination

A new study from Örebro University suggests that smoking during pregnancy can harm a child's motor control and coordination, with boys potentially affected to a greater extent. The study, based on over 13,000 children, found that those whose mothers smoked at least nine cigarettes a day during pregnancy had difficulty completing physic...

Apple iPhone 17 Pro

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

Cigarette smoke may contribute to lung inflammation through a new chemical pathway

Researchers at the University of Alabama at Birmingham found that cigarette smoke inhibits the enzyme Leukotriene A4 Hydrolase (LTA4H), preventing it from shutting down proline-glycine-proline (PGP). This leads to chronic inflammation and a never-ending cycle of neutrophil recruitment. The study identifies PGP as a biomarker for lung d...

Secondhand smoke may provoke inflammatory response in lungs

Researchers found that secondhand smoke triggers a complex inflammatory response in the lungs of rats, leading to increased white blood cells, damaged lung tissue, and impaired immune function. The study suggests potential implications for treating damage caused by secondhand smoke in humans.

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.

Baby's first full nappy can reveal mother's smoking

Researchers measured tobacco smoke metabolites in meconium samples from 337 babies and found a strong correlation with reported smoke exposure. The study suggests that prenatal tobacco smoke exposure is linked to adverse infant health outcomes, highlighting the importance of tracking environmental exposures during pregnancy.

New test allows individualized profiles of cigarette smoking

A new test allows for more accurate estimation of smokers' mouth-level exposure to cigarette smoke, which may aid in developing custom-tailored quitting strategies. The method uses a surrogate compound found in tobacco filters to gauge exposure to the thousands of chemicals present in cigarette smoke.

Berkeley study shows ozone and nicotine a bad combination for asthma

A new study by Berkeley Lab researchers reveals that ozone can react with nicotine in secondhand smoke to form ultrafine particles, a potential threat to asthma sufferers. These particles become major components of thirdhand smoke and can carry and deposit harmful organic chemicals deep into the lower respiratory tract.

UC Riverside receives 6 grants for tobacco-related research

The University of California, Riverside has received six grants from the UC Tobacco-Related Disease Research Program to fund research on thirdhand smoke and cigarette smoke's effects on reproduction. The grants total over $850,000 and will support multiple labs working on tobacco-related research at UCR.

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 light on Leonardo Da Vinci's faces

Researchers have analyzed seven paintings by Leonardo Da Vinci without extracting samples, revealing the composition and thickness of each layer. The study confirms the use of thin glaze layers to achieve soft transitions and blend shadows like smoke.

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.

Smoking mind over smoking matter

A Tel Aviv University study found that nicotine patches and gum are ineffective in combating cigarette cravings, which are instead driven by psychological cues. The research suggests that understanding smoking as a habit rather than an addiction can lead to more successful treatment methods.

Exposure to secondhand smoke in the womb has lifelong impact

Newborns of non-smoking mothers exposed to secondhand smoke during pregnancy have genetic mutations that may affect long-term health, including survival, birth weight, and susceptibility to diseases like cancer. The study confirms previous research on the effects of passive smoke on gene expression.

Meta Quest 3 512GB

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

Puffing in public housing poses serious health risks to tenants

Research shows that public housing residents are exposed to toxins from tobacco smoke, even if they don't smoke themselves. The authors argue that a ban on smoking in public housing units is necessary to protect the health of all residents, particularly children, who are more vulnerable to the effects of second-hand smoke.

A compound in smokers' breath

Researchers have found a compound in smokers' breath that can detect recent tobacco consumption with high accuracy. The compound, 2,5-dimethylfuran, is only present in the breath of smokers within the last three days.

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.

Arizona's smoking ban reduced hospital visits, UA study finds

A University of Arizona study found that the state's 2007 smoking ban led to a significant reduction in hospital admissions for conditions related to secondhand smoke, including acute myocardial infarction, stroke, asthma, and angina. The ban resulted in estimated savings of $16 million in hospital charges.

African-American infants at increased risk from tobacco smoke exposure

New research reveals low-level prenatal tobacco smoke exposure is associated with deficits in motor and cognitive development for African American children. The study highlights a racial disparity in developmental problems, emphasizing the need for expectant mothers to be particularly careful during pregnancy.

Children living in apartments with nonsmoking adults still exposed

A study from the University of Rochester Medical Center found that children living in apartments are still exposed to tobacco smoke, even when they don't live with smokers. This is due to seepage through walls and shared ventilation, which can carry nicotine from neighboring units.

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.

Secondhand smoke exposure associated with chronic sinus disease

A study of 306 non-smoking patients found that those exposed to secondhand smoke at home, work, and social functions had a higher risk of developing chronic rhinosinusitis. Approximately 40% of cases were attributed to secondhand smoke exposure, highlighting the need for eliminating this public health problem.

Study: Secondhand smoke linked to common nasal and sinus condition

A study by Henry Ford Health System found that secondhand smoke exposure increases the risk of developing chronic rhinosinusitis, a common health condition affecting over 39 million people in the US. Exposure to secondhand smoke at home, public places, and private social settings significantly increased the risk.

Second-hand smoke toxicity in cars: Myth into fact

A study published in Canadian Medical Association Journal found no scientific evidence to support the claim that smoking in cars is 23 times more toxic than in other indoor environments. The 23 times estimate originated from a media report and has been widely cited, but its lack of basis in fact poses credibility issues.

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.

Proof: smoking is dumb

A Tel Aviv University study found that young men who smoke cigarettes have lower IQs compared to non-smokers, with an average difference of seven points. The study tracked over 20,000 Israeli army recruits and found a strong correlation between cigarette smoking and lower cognitive function.

New insight on how fast nicotine peaks in the brain

Nicotine takes much longer to reach peak brain levels in smokers, contradicting traditional puff-by-puff spikes, and may depend on overall rate of accumulation, habit, and sensory cues. Smokers who eventually experience high nicotine levels without becoming addicted still lack clear explanations for their non-addictive status.

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.

Secondhand smoke raises risk of hardened arteries among 13-year-olds

A recent study published in the American Heart Association rapid access journal report found that frequent exposure to secondhand smoke among 13-year-olds is associated with increased blood vessel wall thickness and functioning problems. This increases the risk of future blood vessel hardening and other heart disease factors.

Program delivers healthy behaviors door-to-door

A unique program, Philadelphia FRESH, provides intensive, individualized smoking cessation treatments to new mothers in underserved areas. The program shows promising results, with participants exposed to less second-hand smoke and children having lower levels of urine cotinine.

Warning: Immigrating to North America may foster smoking in children

A new study published in Journal of Adolescent Health found that immigrant children from multiethnic, disadvantaged neighborhoods are up to 3.5 times more likely to smoke. The study highlights the need for intervention programs to prevent unhealthy behaviors among young immigrants.

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.

New intervention helps Latino parents of asthmatic children quit smoking

A new study suggests that clinically-based smoking cessation programs may not be enough to help Latino smokers with asthmatic children kick the habit. Researchers found that a culturally-tailored intervention providing feedback on secondhand smoke exposure was more effective in helping these parents quit smoking.

Study reveals new details on the dangers of third-hand smoke

A recent study has found that nicotine in third-hand smoke reacts with nitrous acid to produce dangerous carcinogens, posing a significant health risk to infants and toddlers. The researchers also discovered that even opening windows or using fans does not eliminate the hazard of third-hand smoke.

Smoker alert: Information you can live with

A new Tel Aviv University study reveals that quitting smoking can lower mortality rates by up to 37% compared to continued smoking. The research found that cutting back on smoking also has positive effects on cardiac health, with a 18% decrease in risk of dying within the next 13 years.

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.

Smokers at risk from their own 'second-hand' smoke

Research found that smokers' health is compromised by breathing environmental tobacco smoke, with second-hand smoke equivalent to an additional 2.6 cigarettes per day. This highlights the need for both active and passive smoking contributions to be considered when studying smoker health.

Minority teen boys smoke more when they perceive discrimination; girls do not

A recent study found that teenage minority boys who experience discrimination are more likely to smoke, while their female counterparts show no such association. Researchers investigated 2,561 adolescents and discovered that perceived discrimination had a positive impact on smoking rates among boys, but not girls.

Tobacco smoke causes lung inflammation, promotes lung cancer growth

Scientists found that repeated exposure to tobacco smoke made lung cancer worse by causing inflammation in the lungs. The study provided definitive evidence for the role of lung inflammation in promoting lung cancer growth and suggested using anti-inflammatory agents to prevent or slow lung cancer progression.

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.

Nursing students twice as likely to smoke as the general population

A recent survey of over 800 new nursing students in Italy found that more than half were current or former smokers, with 44% still smoking and 12% being former smokers. The study also highlighted the significant influence of family members on smoking habits, with three-quarters of smoking students having at least one parent who smoked.

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.

Rodent smoke screen

Rats exposed to tobacco smoke show affective and physical withdrawal signs, as well as nicotine-induced changes in the hippocampus, indicating nicotine dependence. The study suggests a rat model can be used to investigate tobacco smoke's effects on the human brain and evaluate novel treatments for tobacco addiction.