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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

Pitt study suggests craving hinders comprehension without your realizing it

A new University of Pittsburgh study reveals that cigarette craving disrupts an individual's meta-awareness, making it harder to notice when the mind has wandered. Participants who craved cigarettes were more likely to acknowledge mind-wandering episodes, but their ability to recognize these episodes was impaired.

Waterpipe tobacco smokers inhale same toxicants as cigarette smokers

A study led by Virginia Commonwealth University researcher found that waterpipe tobacco smokers are exposed to the same toxicants as cigarette smokers, including carbon monoxide and nicotine. The study, which compared waterpipe and cigarette smoking under controlled conditions, showed that waterpipe smokers inhale more smoke than cigar...

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.

Children unaffected by smoking ban consequences

A study of 3500 Welsh children found they were exposed to similar amounts of secondhand smoke before and after the smoking ban. Despite concerns about displacement, the home remained the main source of children's exposure.

Research reveals exactly how coughing is triggered by environmental irritants

Researchers have identified the reaction inside the lungs that can trigger coughing when exposed to certain air pollutants and irritants. The study found that switching on receptor proteins called TRPA1 on nerve endings in the lungs triggers a cough reflex, which could potentially be treated by blocking these receptors.

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.

Secondhand smoke exposure worse for toddlers, obese children

Children exposed to secondhand smoke are at increased risk of vascular damage, with obese toddlers facing a four-fold higher risk compared to adolescents. The study found significant links between secondhand smoke exposure and markers of vascular injury in both toddler and adolescent populations.

Study raises concerns about outdoor second-hand smoke

A new study from the University of Georgia suggests that outdoor smoking areas may be creating a new health hazard due to high levels of secondhand smoke. The research found cotinine levels up to 162% greater in non-smokers exposed to outdoor smoke, posing potential public health risks.

Air pollution increases infants' risk of bronchiolitis

A new study found that air pollution increases the risk of bronchiolitis in infants, with higher exposure levels associated with a significant increase in risk. The research analyzed data from nearly 12,000 infant diagnoses and found that traffic-derived air pollutants were linked to an increased risk of bronchiolitis.

Apple iPhone 17 Pro

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

Heart attack rates drop after smoking bans, continue downward over time

A meta-analysis of 13 studies found that heart attack rates started to drop immediately following smoking ban implementation, reaching 17% after one year, then continuing to decline over time. The study provides strong evidence for the benefits of smoke-free laws in reducing cardiovascular disease.

Anti-smoking law helps waiters to quit smoking

A new study found that 5% of Spanish waiters have stopped smoking, and those who continue to smoke consume fewer cigarettes. The law banning smoking in public places has significantly reduced nicotine exposure among workers.

Second-hand smoking results in liver disease, study finds

Researchers at UC Riverside found that second-hand cigarette smoke exposure can lead to fat accumulation in liver cells, causing nonalcoholic fatty liver disease (NAFLD). The study highlights the potential for targeting molecular regulators SREBP and AMPK to develop new treatments for NAFLD.

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.

Growing evidence of marijuana smoke's potential dangers

Researchers find marijuana smoke causes more cell damage and DNA harm than tobacco smoke, but doesn't cause chromosome damage. The study provides new insights into marijuana's potential health risks and challenges common perceptions about its relative safety.

Scientists expect wildfires to increase as climate warms in the coming decades

Scientists predict a significant rise in wildfires across the western United States due to climate warming, leading to decreased air quality and negative impacts on human health. The predicted area burned by wildfires could increase by 50% by the 2050s, with the greatest increases occurring in the Pacific Northwest and Rocky Mountains.

Rates of secondhand smoke exposure high among college students

A new study by Wake Forest University School of Medicine reveals that 83% of undergraduate college students in the United States reported being exposed to secondhand smoke at least once in the past week. The study found correlations between exposure and demographics, lifestyle habits, and smoking behaviors.

Is a society with smokers profitable?

A recent study reviews economic arguments for tobacco control policies, finding that taxes can justify interventions due to market failures. However, the study concludes that a society with smokers is not necessarily economically ineffective, and that measures like taxes and restrictions on consumption may increase net welfare gains if...

Meta Quest 3 512GB

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

Smoking associated with more rapid progression of multiple sclerosis

Patients with multiple sclerosis who smoke experience a more rapid progression of their disease, according to a report in the July issue of Archives of Neurology. Current smokers had significantly more severe disease at the beginning of the study and were more likely to have primary progressive MS.

Both good/bad movie characters who smoke influence teens to do the same

A study by researchers at Dartmouth College found that exposure to smoking in movies can lead to an increase in smoking among teenagers. The study, published in the July 2009 issue of Pediatrics, suggests that even positive characters who smoke have a stronger influence on youth than previously thought.

'Cannabis alters human DNA' -- new study

A new study found that cannabis smoke damages DNA in ways that could potentially increase the risk of cancer development. The research, published in Chemical Research in Toxicology, used a highly sensitive liquid chromatography-tandem mass spectrometry method to detect damage.

Parental guidelilnes, consequences may be why fewer black teens smoke than whites

A University of Washington study found that black teens are less likely to start smoking as adolescents due to parental guidelines and consequences. Teens who associate with deviant peers are more likely to smoke, regardless of race. Parents can reduce their teen's likelihood of smoking by setting clear guidelines and maintaining a str...

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.

Improving education may cut smoking in youth

A new study found that high-achieving schoolchildren, even from poor families, are less likely to smoke. This suggests that improved education for children from disadvantaged backgrounds could be an effective intervention in reducing smoking prevalence and addressing social inequality.

Closer to an effective treatment for gum disease in smokers

A study published in Environmental Microbiology reveals that cigarette smoke changes the DNA and membrane proteins of Porphyromonas gingivalis, a key bacterial cause of periodontitis. This adaptation affects the immune system's recognition of the pathogen, making smokers more susceptible to oral disease.

Cigarette smoke may rob children of needed antioxidants

A study of over 2,000 children aged 6-18 found that those exposed to secondhand smoke had lower antioxidant levels, which can help defend against biological stresses. The researchers recommend a diet rich in antioxidants from fruits and vegetables to mitigate this effect.

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.

Potentially harmful chemicals found in forest fire smoke

A study by PNNL researchers found that smoldering fires produce more toxins than wildfires, which can affect aquatic and terrestrial ecosystems. The discovery also suggests that smoke may play a role in transporting biologically useful nitrogen through the environment.

New mediator of smoking recruits

Researchers found high osteopontin levels in patients with interstitial lung disease and healthy smokers, while healthy non-smokers produced no osteopontin. Osteopontin expression could be stimulated by nicotine treatment, leading to immune cell recruitment and symptoms similar to smoking-related lung diseases.

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.

Smokers may have increased risk of pancreatitis

A recent study found that smoking is associated with an increased risk of acute and chronic pancreatitis. The risk of developing the disease was higher in smokers than non-smokers, regardless of alcohol consumption or gallstone disease.

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.

Close relationships can perpetuate individual health problems

A new study reveals that smoking habits are deeply intertwined with relationship dynamics, with couples experiencing increased positive emotions and synchrony when both partners smoke. This finding highlights the importance of considering social factors in health interventions.

9 key messages about asthma in Australia

Asthma prevalence has declined among children and young adults, while Indigenous Australians face higher risks of asthma-related hospital visits and deaths. Asthma action plans are crucial for patients, yet many still lack them.

Kids who watch R-rated movies are more likely to smoke

A new study found that parental permission to watch R-rated movies increases the likelihood that children believe it's easy to obtain cigarettes. This perception is associated with a higher risk of smoking among kids, suggesting parental smoking and home environment can contribute to youth smoking.

Smokers putting their loved ones at risk of heart attacks

Researchers found that half of men with high cotinine levels lived with a partner who smoked, increasing their risk of heart attacks. Despite declining smoking rates in the UK, living with a smoker remains a significant risk factor for non-smokers.

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.

Bar workers who smoke also benefit from smoking ban

Research found that bar workers' symptoms improved after a smoking ban in Scotland, with significant reductions in respiratory and sensory symptoms. The study also showed benefits for smokers themselves, highlighting the importance of addressing environmental tobacco smoke exposure at home.

Tobacco smoke and alcohol harm liver worse as combo

Researchers at the University of Alabama at Birmingham found that exposure to second-hand smoke and alcohol significantly raises the risk of liver disease. The combined effect led to elevated levels of liver fibrosis proteins, which can lead to cirrhosis.

Teen smoking could lead to adult depression, study says

A new Florida State University study found that nicotine exposure in adolescence can lead to depression-like symptoms in adulthood. The researchers injected adolescent rats with nicotine and found that even brief exposure could have long-lasting effects, causing behavioral changes symptomatic of depression.

Avoiding secondhand smoke during pregnancy

A new study of African-American women found that avoiding environmental tobacco smoke (ETS) exposure early in pregnancy is crucial for reducing complications and improving outcomes. Social factors such as household smoking bans, the father's desire to have the baby, and social support play a significant role in ETS avoidance.

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 experts call for rethink of trend to bar smokers from employment

The trend of barring smokers from employment is being questioned by US experts, who argue that such policies can have serious consequences for smokers' health and well-being. The authors suggest that these policies may lead to discrimination against smokers and limit their job opportunities.

New findings shed light on why smokers struggle to quit

A study at Duke University Medical Center shows that seeing someone smoke can trigger abstinence efforts, highlighting the importance of breaking habitual responses. Brain scans reveal a marked increase in brain activity when quitters see photographs of people smoking, suggesting sensitization to smoking cues.

Third-hand smoke: Another reason to quit smoking

Researchers at Massachusetts General Hospital found that adults who recognize the dangers of third-hand smoke are more likely to ban smoking in their homes. The study also showed that increasing awareness of how third-hand smoke harms children's health can encourage home smoking bans.

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.

Secondhand smoke raises odds of fertility problems in women

Women exposed to secondhand smoke as adults or children are more likely to face fertility problems and suffer miscarriages, with a 68% increased chance of difficulty getting pregnant. The study analyzed data from over 4,800 non-smoking women and found that four out of five reported exposure to secondhand smoke during their lifetime.

Exposure to secondhand smoke reduced

Exposure to secondhand smoke has been reduced by 25-40% since 2000, resulting in a 25-30% decrease in its clinical burden. Treatment costs attributed to passive smoking have also decreased by approximately $1.8 billion to $6.0 billion annually.

Where there's wildfire smoke, there's toxicity

A new study analyzing particulate matter from Southern California wildfires confirms that the composition of smoke posed more serious potential threats to health than is generally realized. The study found that fire emissions produce a significantly larger aerosol in size, making it easier for particles to penetrate indoor structures.

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.

Cigarette smoke could alter shape of heart

Researchers found that cigarette smoke exposure in rats leads to significant changes in the left ventricle's shape and increased levels of activated enzymes. Norepinephrine levels also rise in response to cigarette smoke, suggesting a link between stress hormone release and cardiovascular damage.

Celestron NexStar 8SE Computerized Telescope

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

Book explores global implications of wildland fire smoke

A new book provides a comprehensive overview of air pollution research, focusing on wildland fires' impact on humans and the environment. The 686-page book includes 26 research papers by 85 experts, covering regional perspectives and current tools for managing forests affected by fire and climate change.

ADHD appears to increase level of nicotine dependence in smokers

Young people with ADHD are more likely to become dependent on nicotine and experience environmental factors that increase their risk of smoking. The study found that individuals with more ADHD-related symptoms were at greater risk of nicotine dependence than those with fewer symptoms.

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.