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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

Of non-marijuana drug users in the ER, nearly all are problem drug users

According to a new study published in Annals of Emergency Medicine, nearly all emergency patients who reported using any drug other than marijuana had problem drug use. The study found that 46.6% of cannabis users met the criteria for having a drug problem, with most also showing signs of addiction and substance abuse.

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.

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.

Schizophrenia and cannabis use may share common genes

A study by King's College London suggests that genes increasing schizophrenia risk also contribute to higher cannabis use. Individuals genetically predisposed to schizophrenia are more likely to use and consume cannabis in greater quantities.

NIDA review summarizes research on marijuana's negative health effects

A recent review in the New England Journal of Medicine finds that marijuana use is associated with increased risks of addiction, impaired critical thinking and memory functions, and lower IQ in teens. The study also highlights the need for physicians to convey to families the potential health consequences of early marijuana use.

Marijuana use is associated with impaired sleep quality

A new study reveals that marijuana users are more likely to experience sleep problems, including difficulty falling asleep and feeling daytime sleepiness. The association is strongest in adults who started marijuana use before age 15, with those who began early being twice as likely to struggle with severe sleep issues.

Marijuana shows potential in treating autoimmune disease

Researchers at the University of South Carolina have discovered a novel pathway for marijuana to suppress immune functions, suggesting its potential in treating autoimmune diseases. The study found that THC can change histone molecules leading to inflammation suppression.

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.

Could cannabis curb seizures? Experts weed through the evidence

Studies suggest that medical marijuana and CBD may help reduce seizure frequency in patients with Dravet syndrome. However, current data is mostly anecdotal and not well-controlled. Researchers emphasize the need for rigorous investigation of medical marijuana's safety and efficacy before drawing conclusions.

Marijuana use involved in more fatal accidents in Colorado

Researchers found a significant increase in marijuana-positive drivers involved in fatal motor vehicle crashes in Colorado after medical marijuana commercialization in 2009. The proportion of such drivers increased from 4.5% to 10% between 1994 and 2011, outpacing the 34 non-medical marijuana states.

Underage college men discount dangers of driving after marijuana use

A recent study conducted by researchers at the University of Massachusetts Amherst and the University of Washington found that underage male college students who report using marijuana in the previous 28 days had a high prevalence of driving under its influence. The study also revealed that riding with a marijuana-using driver was more...

College students drive, ride after marijuana, alcohol use

Researchers found that college students were more likely to drive and ride after marijuana use compared to alcohol use. The study suggests that social norms regarding marijuana use are changing, leading to increased acceptance of driving under the influence of marijuana.

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.

Using substances at school may be cry for help

Using substances at school is linked to increased odds of serious health risks such as depression and intimate partner violence. Students who used alcohol or marijuana on campus had a higher chance of experiencing these issues compared to those who used substances only out-of-school.

Apple iPhone 17 Pro

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

Marijuana use may increase heart complications in young, middle-aged adults

A French study found that marijuana use can lead to cardiovascular-related complications, including heart attacks and peripheral artery diseases. Researchers analyzed 35 cases of marijuana-related complications and reported a significant increase in cardiovascular events among young and middle-aged adults.

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.

Casual marijuana use linked to brain abnormalities in students

A Northwestern University study reveals that casual marijuana use is associated with significant brain abnormalities in emotion and motivation regions. The degree of abnormalities is directly related to the number of joints used per week, suggesting a potential link between recreational marijuana use and negative consequences.

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.

Guideline: Medical marijuana in pill form or oral spray may ease some MS symptoms

The guideline states that certain forms of medical marijuana in pill or oral spray form may help reduce patients' reported spasticity symptoms, pain due to spasticity, and frequent urination. However, long-term safety of medical marijuana use is not known, and potential side effects include seizures, dizziness, and psychological problems.

Future generations could inherit drug and alcohol use

A Sam Houston State University study found that parents' substance use significantly increases the likelihood of their children using drugs. The study tracked 655 parents and 1,227 offspring over 27 years, revealing patterns of intergenerational drug use.

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.

Some truth to the 'potent pot myth'

Research from The Netherlands found that high-potency cannabis users still take in more THC than lower potency smokers. Despite attempting to compensate by inhaling less smoke, titration efforts were only partially successful, resulting in roughly half of the THC strength being absorbed.

Herbal cannabis not recommended for rheumatology patients

Patients with rheumatic conditions are turning to herbal cannabis for symptom relief, but medical evidence is lacking. The study advises healthcare providers to discourage patients from using this drug as therapy due to potential harm and availability of other therapies.

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.

Decriminalizing pot may land more kids in the ER

A study published in Annals of Emergency Medicine found that states decriminalizing marijuana saw a dramatic increase in children requiring medical intervention at emergency rooms. High-dose edible products containing tetrahydrocannabinol were identified as a significant contributor to these incidents.

Signs point to sharp rise in drugged driving fatalities

Non-alcohol drug prevalence in fatally injured drivers has increased significantly, particularly for marijuana, which tripled in 10-year period, according to Columbia University researchers studying toxicological testing data from the National Highway Traffic Safety Administration

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.

U of Tennessee research finds link between alcohol use and domestic violence

Studies conducted by University of Tennessee researchers found a strong link between alcohol consumption and increased risk of physical, psychological, and sexual abuse in intimate partner relationships. In contrast, marijuana use was not associated with an increased risk of violence. The findings suggest that domestic violence prevent...

Cannabis during pregnancy endangers fetal brain development

A study published in the EMBO Journal found that cannabis consumption during pregnancy can lead to defective nerve cell development, affecting higher cognitive functions and memory formation. The study identified THC as a key contributor to these developmental deficits.

More illness from synthetic marijuana likely

A study published in the New England Journal of Medicine found a wide range of dangers associated with synthetic marijuana use. The substance has been linked to altered mental status, irregular heartbeat, seizures, and breathing difficulties, resulting in over 263 emergency room visits in Colorado alone.

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.

Heavy marijuana users have abnormal brain structure and poor memory

Researchers at Northwestern University found that heavy marijuana users had abnormal changes in their brain structures related to working memory, performing poorly on memory tasks. The study suggests that chronic marijuana use may contribute to changes in brain structure associated with schizophrenia and potentially impair motivation.

Meta Quest 3 512GB

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

Study shows marijuana's potential for treating autoimmune disorders

Researchers at University of South Carolina discover THC influences microRNAs, altering gene expression and potentially treating arthritis, multiple sclerosis, and type 1 diabetes. The study identifies specific microRNA targets for controlling inflammation and immune response.

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.

Regular cocaine and cannabis use may trigger addictive behaviors

Research reveals that regular cannabis users exhibit increased impulsive behavior, impaired critical thinking skills, and reduced executive function, while cocaine users show heightened impulsivity and decreased impulse control. Long-term use of both substances may trigger addictive behaviors due to altered brain function.

Use of booze and drugs common among truck drivers on the road

A systematic review of 36 studies found that truck drivers frequently use substances like alcohol, amphetamines, cannabis, and cocaine while on the road. The prevalence varies widely depending on factors such as age, income, trip duration, and work conditions.

A 'yes' to 1 drug could become 'yes' for other drugs

A study of 29,054 high school seniors found that those who use marijuana are less judgmental of other socially acceptable drugs like LSD and amphetamine. Conversely, youths from urban areas and those with strong religious beliefs tend to disapprove of harder drugs like cocaine and heroin.

Sending multiple sclerosis up in smoke

Tel Aviv University researchers discover that compounds found in marijuana can prevent inflammation in the brain and spinal cord, which is a hallmark of multiple sclerosis. The study uses mice with MS-like symptoms to demonstrate the anti-inflammatory effects of CBD and THC.

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.

Toward understanding the dangers of the fake marijuana called 'Spice' or 'K2'

A new method developed by researchers could help diagnose and treat thousands of young adults and teens who end up in emergency rooms after taking synthetic marijuana. The study found significant differences in how individuals' bodies process the drugs, which could explain why some people experience more severe effects.

International 'war' on illegal drugs is failing to curb supply

The global supply of illicit drugs has likely not been reduced in the past two decades, with street prices falling and purity/potency increasing. This study analyzed data from seven international surveillance systems to conclude that law enforcement efforts are failing to curb supply and contribute to violence and public health issues.

Perception of marijuana as a 'safe drug' is scientifically inaccurate

Researchers at the University of Montreal found that cannabis use during adolescence is associated with increased risk of addiction and mental health problems. The study suggests that specific genetic and behavioral factors influence an individual's likelihood of developing a dependence on cannabis.

Celestron NexStar 8SE Computerized Telescope

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

Young cannabis-smokers aware of the health risks

A study of 12,000 young Swiss men found that those who consume addictive substances like alcohol, tobacco, or cannabis are more likely to seek information on these topics. Despite this, prevention campaigns may not be effective due to the complexity of individual knowledge and behaviors.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Long-term cannabis use may blunt the brain's motivation system

Researchers found lower dopamine levels in long-term cannabis users compared to non-users, suggesting a possible link between cannabis use and motivation issues. The study also suggests that cannabis use may be the cause of altered dopamine systems, which could explain increased risk of mental illnesses like schizophrenia.

Illegal marijuana grows threaten fishers in the southern Sierra Nevada

A recent study by the USDA Forest Service's Pacific Southwest Research Station reveals that female fishers living near areas with high concentrations of illegal marijuana sites have higher exposure to rodenticides and lower survival rates. The study's findings underscore the urgent need for regulating pesticide use in these areas.

Surge in children accidentally eating marijuana-laced foods

A new study by the University of Colorado Anschutz Medical Campus found a significant increase in unintentional ingestions of marijuana by children since Colorado's drug laws modification in 2009. The number of children treated for exposure to marijuana increased from zero before 2009 to 588 after October 1, 2009.

Study adds to evidence that cigarettes are gateway to marijuana

Research from the American Academy of Pediatrics reveals that college students who use both tobacco and marijuana smoke more cigarettes per month than users of tobacco only. The study also found that concurrent marijuana and tobacco use is associated with increased risk of smoking more tobacco.

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.