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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

Billboard and storefront ads for cannabis linked to problematic use in teens

A new study found that adolescents who frequently see billboard or storefront advertisements for recreational cannabis are more likely to use the drug weekly and have symptoms of a cannabis use disorder. Researchers used social media sites and apps to recruit 172 teens, ages 15 to 19, who lived in states with legal recreational marijuana.

Sewage study shows which countries like to party hard

The study found the Netherlands recorded the highest usage of NPS, followed by Australia, New Zealand, and the US. Meanwhile, Spain, Italy, and China had the lowest incidence. Countries with higher usage included Australia, New Zealand, and the US, where substances like N-ethylpentylone were detected.

Apple iPhone 17 Pro

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

Density of marijuana retailers linked to higher use among young adults

A new study by RAND Corporation found that the density of licensed and unlicensed marijuana retailers is associated with increased marijuana use among young adults. Young adults living near areas with high concentrations of licensed outlets were more likely to use marijuana, while those living near unlicensed outlets reported greater h...

Impaired driving -- even once the high wears off

Researchers found that chronic, heavy recreational marijuana use affects driving ability even when users are not intoxicated. Earlier onset of marijuana use was associated with poorer driving performance and increased impulsivity.

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.

Introduce standard units for cannabis to improve mental health

Researchers suggest setting a unit level at 5mg of THC, which could be added to product packaging in countries where cannabis is legally sold. This system could provide clearer information on cannabis products and their strength, helping users make informed choices and minimizing potential health risks.

People are more likely to try drugs for the first time during the summer

A recent study found that over 34% of recent LSD initiates first used the drug in the summer, while 30% of marijuana, ecstasy, and cocaine use began during this time. The researchers suggest that having extra recreational time during the summer and the growing popularity of outdoor activities may contribute to these findings.

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.

Ecstasy ingredient may promote cooperation

A controlled laboratory study found that MDMA increased cooperation between individuals who had been betrayed, indicating the drug's potential as a treatment for post-traumatic stress disorder. The study also reported altered brain activity in regions involved in social information processing.

How cannabis and cannabis-based drugs harm your brain

Researchers at Lancaster and Lisbon Universities found that long-term exposure to cannabis impairs learning and memory in animals. Brain imaging studies showed the drug affects key brain regions involved in learning and memory.

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.

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.

Study finds recreational drug users not what we think

Research reveals almost 40% of Aussies have used illicit drugs at some stage, with 17% using them in the past 12 months. Recreational users view themselves as different from habitual users, driven by social networking and performance enhancement.

Regular marijuana use linked to more sex, Stanford study finds

A Stanford University School of Medicine study found that frequent marijuana users had increased coital frequency compared to non-users. The study analyzed data from over 50,000 Americans aged 25-45 and found a positive association between marijuana use and sexual activity across all demographics.

'Ego-dissolving' psychedelic drugs could assist with mental health

Research suggests that psychedelic experiences can lead to transformative outcomes, including reduced anxiety and depression. Ego dissolution allows for expanded awareness and a shift in perspective, potentially beneficial for individuals struggling with addiction and psychiatric disorders.

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.

Study: Street gangs, crime serve as deviant leisure activities for youths

A new study suggests that gang membership and criminal acts serve as deviant leisure activities for young people, filling their needs for excitement and a sense of belonging. The researchers found that many participants enjoyed the violence and experienced a rush during violent incidents, with some likening it to a drug addiction.

Study reveals surprising link between athletics and addiction

A study by Laurie de Grace found that the culture of sport, particularly team sports like hockey, can increase the risk of substance addiction in elite athletes. The study revealed patterns of social acceptance, normalization of drugs and alcohol, and pressure to perform, which contribute to the development of addiction.

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.

Do most Mount Everest climbers use medications, and should they?

A recent study found that less than half of Mount Everest climbers report using medications on climbs, with acetazolamide being the most commonly used to prevent altitude sickness. The research suggests that rumors of widespread drug abuse among climbers are unfounded and that medication use is primarily for legitimate health purposes.

Bath salts difficult to detect in biological samples, SHSU study finds

A recent study from Sam Houston State University highlights the difficulties in detecting synthetic cathinones in biological samples due to their thermal degradation and instability. The researchers emphasize the need for a systematic approach to understanding the structural facets of these compounds to improve detection methods.

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.

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.

Teen marijuana use down despite greater availability

According to a new study, teen marijuana use has decreased significantly since 1999, from 47% to 37%, but is still higher than other illicit drugs. The study found a narrowing gender gap and increased usage among black teens, with rates of marijuana use surpassing those of methamphetamine.

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.

Recreational drug use on weekends often morphs into daily use, BU study finds

A new study published in Annals of Family Medicine found that more than half of patients who report 'weekend-only' drug use expand their use to weekdays. Primary care clinicians should monitor these patients, as weekend-only users are less likely to increase frequency and severity of use compared to those with non-weekend-only 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.

History holds valuable lessons in the war on drugs

This groundbreaking research sheds light on the complex origins of drug policies that have inspired murderous violence in Mexico and the US. By examining the history of drugs in Latin America, researchers offer new perspectives on how societies have dealt with drugs and their cultural significance.

British men who pay for sex have many (unpaid) sexual partners

A study of over 6,100 British men found that those who paid for sex had twice as many lifetime sexual partners as the general population, but few were paid for. Young professionals with a taste for binge drinking and recreational drugs were more likely to engage in this behavior.

Meta Quest 3 512GB

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

Youth regularly receive pro-marijuana tweets

Researchers analyzed tweets from a popular marijuana account and found that 82% of recipients were under 19 years old, with 54% aged 17-19. The study highlights the need for discussion about pro-drug messages on social media platforms and their potential impact on vulnerable youth.

Brain changes are associated with casual marijuana use in young adults

Research finds brain differences in young adults who smoke marijuana at least once a week, including altered reward processing regions and shape/density changes. Casual marijuana use may lead to previously unidentified brain changes, highlighting the importance of studying long-term effects.

Surge in designer drugs, tainted 'E' poses lethal risks

New research warns Canadians about the deadly risks of designer drug use, citing 10 new drugs per year and toxic contaminants like PMA. Experts call for education to help people understand the health risks, emphasizing that there is no safe dose of ecstasy.

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.

Is smoking cannabis and driving the new drinking and driving?

The 2013 Ontario Student Drug Use and Health Survey found that one in eight students took prescription opioids recreationally, while 14% reported driving under the influence of cannabis. Hazardous drinking among youth remains a concern, with 8% reporting injuries or harming others while intoxicated.

Why do doctors abuse prescription drugs? 'Self-medication' is key reason

A study in the Journal of Addiction Medicine finds that doctors abuse prescription drugs primarily for 'self-medication' to manage physical or emotional pain, stress, and psychiatric symptoms. The study highlights the importance of addressing self-medication as a key reason for prescription drug abuse among physicians.

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.

Use of speed and ecstasy linked to teen depression

Research of almost 4000 teens in Quebec, Canada found that secondary school kids using speed and ecstasy are prone to subsequent depression. The findings were independent of previous bouts of depressive symptoms or other drug use, suggesting additive or synergistic adverse effects of concurrent use.

Opioids associated with highest risk of death

A new study by the Centre for Addiction and Mental Health found that opioid addiction is associated with the highest risk of death, with a 5.71-fold increased risk compared to healthy individuals. The study tracked over 800,000 hospital records and found that alcohol dependence was related to the highest number of deaths overall.