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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

Passive smoking increases sleep disturbance among pregnant women

Pregnant women exposed to passive smoking experience sleep disturbances, including subjective insufficient sleep, difficulty initiating sleep, short sleep duration, and snoring. The study also found that pregnant women who smoke experienced similar sleep issues, as well as excessive daytime sleepiness and early morning awakening.

Girls who begin dieting twice as likely to start smoking

A University of Florida study found that teenage girls who start dieting are twice as likely to begin smoking. Researchers analyzed the dieting and smoking practices of 8,000 adolescents and discovered that consistent dieters were more likely to smoke.

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.

Render smoke and fog without being a computation hog

Researchers at UC San Diego have developed a method called 'radiance caching' to efficiently render images with smoke, fog, and other visual effects. This approach cuts computational time and energy by reusing previously computed lighting values.

New mechanism links smoking to lung damage

Researchers discover a poorly understood mechanism linking smoking to lung damage, where toxins in cigarette smoke open unpaired hemichannels that lead to rapid cell death. Drugs preventing hemichannel opening offer new ways to prevent cellular damage and potentially treat diseases tied to oxidative stress.

Prenatal exposure to tobacco smoke raises blood pressure in infants

Infants born to mothers who smoked during pregnancy had substantially higher systolic blood pressures compared to those whose mothers didn't smoke and weren't exposed to smoke. The study, which controlled for various factors, found a direct association between maternal smoking and newborn systolic blood pressure.

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.

Comparatively low levels of air pollution boost early death risk

A study in Great Britain found that even low levels of air pollution boost the chances of an early death, especially from respiratory diseases. The research, which spanned over 16 years, revealed strong links between black smoke and sulphur dioxide with increased risk of mortality.

UGA study explains why anti-smoking ads backfire or succeed

A new UGA study explains how anti-smoking ads can either backfire or be effective, finding that youth are more likely to smoke when exposed to messages about their friends listening. The researchers suggest that health campaigns should focus on changing social norms and designing multi-year efforts with a nuanced approach.

Apple iPhone 17 Pro

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

Tobacco industry efforts to derail effective anti-smoking campaigns

Research by Temple University Assistant Professor Jennifer K. Ibrahim reveals the tobacco industry's aggressive methods to quash effective anti-smoking campaigns, including strategies to limit funding and litigation. The study finds that ads revealing deceptive practices are the most effective in reducing smoking rates.

Inhaling from just 1 cigarette can lead to nicotine addiction

A new study published in the Archives of Pediatric and Adolescent Medicine found that 10% of youth who smoke cigarettes are addicted within two days of first inhaling from a cigarette. Adolescents who smoke even just a few cigarettes per month suffer withdrawal symptoms when deprived of nicotine.

Workers in no-smoking restaurants show lower carcinogen levels

A recent study found that restaurant workers exposed to tobacco smoke have higher levels of NNK, a potent lung carcinogen. The researchers concluded that clean air exemptions are unjustified and policymakers should prohibit smoking in all indoor workplaces.

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.

Mothers' second-hand smoke exposure linked to psychological problems for kids

A new study finds that children whose mothers were exposed to second-hand smoke during pregnancy exhibit more symptoms of ADHD and conduct disorder compared to those with no prenatal exposure. The research suggests that nicotine affects brain development during pregnancy, leading to behavioral problems in children.

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.

Children of smokers have 5 times higher levels of a nicotine toxin

A study found that children with at least one smoker parent have significantly higher cotinine levels in their urine, quadrupling the risk for mothers and doubling it for fathers. Sleeping with parents and lower temperature rooms were also associated with increased cotinine levels.

Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring

New research shows that cigarette smoke can cause changes in the DNA sequence of sperm cells, altering the genetic composition of offspring. The study found that male mice exposed to cigarette smoke had higher rates of genetic mutations than non-smoking mice, with the duration of exposure increasing the likelihood of damage.

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.

Savvy employers will implement NICE smoking cessation interventions

Implementing NICE-recommended smoking cessation interventions can benefit employees' health and employers' businesses. The interventions include short counselling sessions, nicotine replacement therapy, and group therapy to help smokers quit, resulting in reduced lost productivity and improved public health.

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.

Secondhand smoke increases risk of dementia

Research suggests that elderly people exposed to secondhand smoke are at a higher risk of developing dementia. The study found that those with high lifetime exposure were approximately 30% more likely to develop dementia than those with no exposure. High exposure was defined as more than 30 years of exposure to secondhand smoke.

Doctors ill equipped to confront parent smoking

A recent survey found that nearly 60% of US children ages 3-11 are exposed to secondhand smoke daily, with urban children suffering the highest rates. Pediatricians lack formal training on effectively addressing secondhand smoke-related issues, despite knowing its hazardous health consequences.

FSU researcher's award will fund study into cardiovascular grafts

FSU researcher Feng Zhao will receive a $450,000 fellowship award to develop methods for regenerating blood vessels damaged by secondhand tobacco smoke. She aims to construct small-diameter blood vessels that mimic the elasticity of living tissue, which could help thousands of patients undergoing bypass surgery.

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.

Smoking indicator of alcohol misuse

A study by Yale School of Medicine researchers found that cigarette smoking status can be used as a clinical indicator for alcohol misuse, which presents an opportunity for intervention. Non-daily smokers are five times more likely to have a problem with alcohol compared to people who have never smoked.

Smoking ban dramatically reduces air pollution in Irish pubs

A national smoking ban in Ireland resulted in a significant reduction in air pollution in pubs, with an 83 percent decrease in airborne carcinogens. The ban also improved the respiratory health of bar workers, particularly non-smoking employees, who showed improvements in cough and phlegm production.

Secondhand smoke proves to be no 'joke' on oral health

A study published by the American Academy of Periodontology found that subjects with periodontitis exposed to secondhand smoke experienced greater bone loss than those not exposed. This highlights the devastating effects of secondhand smoke on oral health, emphasizing the importance of smoke-free environments.

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.

A short walk helps smokers quit

A short walk can significantly reduce cravings for cigarettes in smokers, helping them manage withdrawal symptoms and resist the urge to smoke. Moderate exercise can be as effective as a drug in reducing cravings and withdrawal symptoms, making it a valuable tool for quitting smoking.

Long-term marijuana smoking leads to respiratory complaints

A new study by Yale University researchers found a link between long-term marijuana smoking and respiratory complications, including obstructive lung disease. The study's findings suggest that patients should be advised of the potential negative impact on overall lung health despite methodological limitations.

Lung cancer rates higher among female nonsmokers than previously

Researchers found that never-smokers get lung cancer more often than thought, with women even more at risk. The study tracked over 1 million people and found significant differences in lung cancer incidence rates between males and females, shedding new light on the disease.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Passive smoke in workplace increases lung cancer risk

A new study published in the American Journal of Public Health confirms the association between passive smoke in the workplace and an increased risk of lung cancer. Researchers found a 24% increase in lung cancer risk among people exposed to passive smoke, with highly exposed workers facing a 100% increased risk.

Regional nuclear war would trigger mass death, devastating climate change

Two studies by University of Colorado at Boulder researchers predict a regional nuclear war could produce as many fatalities as World War II, disrupting the global climate for decades. The conflict could also lead to unprecedented climate change, with smoke emissions potentially exceeding 5 million metric tons.

Regional nuclear war could devastate global climate

A small-scale regional nuclear war could produce as many direct fatalities as all of World War II and disrupt the global climate for a decade or more. The environmental effects would be catastrophic and long-term, affecting regions far from the target areas or countries involved in the conflict.

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.

NIST test fans the flames for high-rise fire safety

The study found that positive pressure ventilation significantly reduced temperatures and smoke in corridors and stairwells, making them safer for occupants and responders. The experiment involved 11 NIST researchers and over 70 local staff, simulating real-world conditions to assess the effectiveness of PPV in multistory buildings.

Teens who smoke have increased risk of developing asthma

Children who smoke cigarettes have nearly four times the risk of developing asthma in their teens, and those exposed to cigarette smoke in utero face an even higher risk. The study draws on data from the Children's Health Study, a longitudinal study of respiratory health among children in southern California communities.

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.

Regular smoking substantially increases risk of asthma in adolescents

Adolescents who smoke regularly have a significantly increased risk of developing asthma, with a four-fold increase in risk for those who smoked 300 or more cigarettes per year. The study found that exposure to cigarette smoke in the womb and later smoking habits also significantly raised the risk of asthma.

High-tech ventilation fails to control secondhand smoke

A new study finds that high-tech ventilation systems are no match for secondhand smoke and may even perform worse than standard dilution ventilation. Despite proper design and operation, the systems failed to reduce exposure to carcinogenic chemicals and toxic particles in non-smoking sections.

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.

Cigarette smoking impedes tendon-to-bone healing

Researchers found that nicotine delays tendon-to-bone healing, reducing cellular proliferation and collagen production. This can lead to weaker tissue and increased vulnerability to re-injury after surgery. The study used a rat shoulder model to investigate the effects of cigarette smoking on rotator cuff repair.

Central American fires impact US air quality and climate

Pollutants from Central American biomass burning influence air quality and climate in the United States, particularly visibility and surface air temperatures. The smoke plumes also trap aerosols in the lower atmosphere, worsening air quality.

Fluke 87V Industrial Digital Multimeter

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

Smoke-filled cars: New fodder for the next clean air fight

A new study by Harvard University researchers found that car secondhand smoke levels can be hazardous to children, with pollution exceeding the EPA's unhealthy threshold. The study measured tobacco smoke in cars and found average levels of 272 micrograms when the driver's side window was opened slightly.

Celestron NexStar 8SE Computerized Telescope

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

Nicotine lessens symptoms of depression in nonsmokers

Researchers found that nicotine patches reduced depression symptoms in nonsmoking participants, possibly by stimulating brain chemicals. The study suggests manipulating nicotine's effects could lead to new treatments for depression.

Carbon monoxide may help prevent debilitating pregnancy condition

A Queen's University study suggests administering low doses of carbon monoxide to pregnant women may help prevent the potentially damaging effects of pre-eclampsia, a condition affecting five to seven per cent of pregnancies. The research found that carbon monoxide may relax blood vessels and prevent cell death in the placenta.