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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

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.

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.

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.

Many smokers with serious mental illness want to kick habit

Smokers with serious mental illnesses like schizophrenia and bipolar disorder are motivated to quit, yet many don't receive treatment or counseling. Researchers found that only 13% of patients who wanted medication to aid quitting received it.

Lung-in-the-lab reveals no DNA damage on exposure to e-cig vapor

E-cigarette vapour exposure has been shown to be genotoxic and cytotoxic in human lung cells at high doses. In contrast, Vype e-cigarette vapour produced no DNA damage even at 28 times the equivalent smoke dose. The findings suggest that e-cigarettes are safer than smoking cigarettes.

Apple iPhone 17 Pro

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

Beware: Children can passively 'smoke' marijuana, too

A new study detected traces of THC, a primary psychoactive chemical in marijuana, in the urine of children exposed to secondary marijuana smoke. Higher concentrations were found in non-white children compared to white children. Researchers call for further investigation into secondhand marijuana smoke exposure as a potential health risk.

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.

Fires blazing across the southern United States

Multiple wildfires are currently burning across several states in the southern United States, including the Boteler, Maple Springs, Tellico, Party Rock, Chestnut Knob, Rough Ridge, and Rock Mountain fires. The largest fire, the Rough Ridge fire, has burned over 19,411 acres in Georgia's Cohutta Wilderness Area.

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.

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.

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.

Mimicking life-like cigarette smoke exposure in human lung airway chips

Researchers have developed a device that mimics the effects of cigarette smoke on human lungs, providing new insights into how non-smokers and COPD patients respond to smoke. The device enables the comparison of physiological responses in healthy individuals and COPD patients before and after exposure to cigarette 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.

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.

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.

Blocking key gene reduces cigarette smoke toxicity in fish embryos

A study led by Duke University researchers found that blocking the production of a key receptor can reduce the toxicity of cigarette smoke on zebrafish embryos. The receptors were found to play a role in early embryonic development, particularly the formation of bone, heart and muscle tissues.

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.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Blue Cut Fire in California spreads quickly

The Blue Cut Fire in California is a rapidly growing wildfire that poses an imminent threat to public safety, rail traffic, and structures in several areas. The fire has already affected over 82,000 people and damaged an estimated number of structures, with firefighters battling hot, dry, and breezy conditions.

'Smoke waves' will affect millions in coming decades

Researchers identified hundreds of western US counties with high risk of exposure to wildfire smoke, affecting up to 82 million people by 2051. The study found that climate change will cause longer, more intense, and frequent 'smoke waves' impacting children, seniors, and 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.

The great evolutionary smoke out: An advantage for modern humans?

A team of Penn State researchers identified a genetic mutation in modern humans that increased their tolerance to toxic smoke and fire. This mutation, found only in humans, may have given ancient humans an edge over Neandertals, who were more susceptible to respiratory problems and cellular toxicity.

Teens who smoke daily are more likely to report health complaints

A new study by Oregon State University researchers has found that teens who smoke daily report significantly higher levels of health complaints than their nonsmoking peers. The study also reveals a widening gap in health complaints between smoking and nonsmoking teens, with girls reporting more health issues than boys.

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.

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.

Do you know what you're smoking? Research suggests that you don't

A study published in BMC Public Health found that nearly a quarter of US adults reported looking for information on tobacco constituents, with young adults and smokers more likely to do so. The research suggests that making this information available could improve public health and reduce tobacco use.

Smoking can hamper common treatment for breast cancer

A new study from Lund University found that smoking affects the efficacy of aromatase inhibitor treatment for breast cancer, leading to a threefold higher risk of recurrence. Smoking also increases the risk of dying from breast cancer or other illnesses during treatment.

Celestron NexStar 8SE Computerized Telescope

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

Fort McMurray wildfire continues to burn

The Fort McMurray wildfire is burning out of control, covering an area of 161,000 hectares, with extreme fire conditions due to low humidity and high temperatures. Residents are advised not to return home until it is safe to do so, while firefighters, including 1,500 employees at the Syncrude facility, work to contain the blaze.

Suomi NPP satellite continues to monitor Alberta's huge wildfire

The Fort McMurray wildfire in Alberta, Canada, is still burning intensely, with smoke and heat detectable by satellite. Suomi NPP's VIIRS instrument captured daytime images on May 5, showing hotspots indicating the location of fires, while nighttime images on May 6 revealed the fire at night, with smoke appearing light gray.

Human heart cells respond less to e-cig vapour than tobacco smoke

Researchers found that human coronary artery endothelial cells showed a reduced stress response to e-cigarette aerosol compared to conventional cigarette smoke. This suggests that switching from traditional cigarettes to e-cigarettes may lead to reduced immediate harm for tobacco smokers.

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.

Bats' flight technique could lead to better drones

Researchers at Lund University found that long-eared bats use their large ears and body shape to generate lift, challenging previous assumptions about flying animals. This discovery could lead to new aerodynamic control mechanisms for drones.

New report shows electronic cigarettes are beneficial to UK public health

E-cigarettes offer potential to radically reduce harm from smoking in UK society, with benefits found at individual and population levels. The Royal College of Physicians report finds that e-cigarette use is primarily among smokers seeking to cut down or quit, and no grounds to suspect renormalization of smoking habits.

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.

Study reveals COPD linked to increased bacterial invasion

A Vanderbilt University Medical Center study finds that persistent inflammation in COPD may result from a defect in the immune system allowing airway bacteria to invade deeper into the lungs. Treatment with an anti-inflammatory drug halted lung damage in mice with this defect.

Smoke, dust and an unknown future

Researchers will model uncertain future meteorology and smoke, dust to gain a comprehensive view of possible air quality implications. The study aims to improve predictions of particulate matter concentrations in the atmosphere.

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.

If you want to quit smoking, do it now

A study published in Annals of Internal Medicine found that quitting smoking abruptly is more likely to lead to long-term success than gradual reduction. After assessing 697 smokers for four weeks and six months, the research revealed a 25% higher quit rate for those who stopped all at once.

Fluke 87V Industrial Digital Multimeter

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

Thirdhand smoke linked to type 2 diabetes

A UC Riverside-led study links thirdhand smoke exposure to insulin resistance and hyperglycemia in mice, a precursor to type 2 diabetes. Exposure to toxins from second-hand smoke causes oxidative stress, damaging proteins and DNA, leading to insulin resistance.

In emergencies, should you trust a robot?

Researchers found that test subjects followed a faulty robot's instructions during an emergency simulation, suggesting people trust robots too much. The study aims to understand human-robot trust and develop safer robots for emergency situations.