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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

Heroin use in US

A recent study examined changes in heroin use and addiction among US adults over 16 years. Heroin use disorder increased significantly between 2002 and 2018, affecting approximately 800,000 adults in the country.

Study reveals urban hotspots of high-schoolers' opioid abuse

A new study found that certain urban areas have significantly higher rates of heroin use among high school students, with Latina and white girls in Duval County, Florida, showing the highest figures for non-medical prescription opioid misuse. The findings underscore the need for tailored services to address adolescent opioid abuse.

Apple iPhone 17 Pro

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

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.

Fentanyl's risk on the 'darknet'

US overdose deaths attributed to synthetic opioids like fentanyl have surged, with purchases often made on the darknet. Fentanyl prices plummeted by 50% between 2014 and 2016, making it nearly twice as deadly as heroin.

A safer way for police to test drug evidence

A new technique allows police to analyze exterior packaging of suspected drug bags for safe handling, reducing accidental exposure to fentanyl. The method involves swiping the outside of a baggie and analyzing it for drugs using DART-MS.

Most-comprehensive analysis of fentanyl crisis urges innovative action

A RAND Corporation study highlights the need for innovative approaches to address the fentanyl crisis, which has worsened dramatically with tens of thousands of deaths annually. The study suggests that supply disruption, creative supply-side strategies, and increased access to novel treatments are crucial in reversing the tide.

Spending on illicit drugs in US nears $150 billion annually

A new RAND Corporation report estimates that US spending on cannabis, cocaine, heroin, and methamphetamine reached nearly $150 billion in 2016. The market for cannabis is roughly the size of the cocaine and methamphetamine markets combined, with total spending fluctuating between $120 billion and $145 billion each year.

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

Teens abusing painkillers are more likely to later use heroin

A USC study tracked prescription opioid and heroin use in teens over time, finding that those who used painkillers to get high were more likely to start using heroin by high school graduation. The study suggests a link between nonmedical opioid use and later heroin use among youth.

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.

Safe consumption spaces would be welcomed by high-risk opioid users

A large majority of people who use heroin and fentanyl are willing to use safe consumption spaces where they can obtain sterile syringes and medical support in case of overdose. The study found that 77% of participants reported a willingness to use such spaces, with higher rates among those who rely on public spaces.

CBD reduces craving and anxiety in people with heroin use disorder

A study published in the American Journal of Psychiatry found that CBD significantly reduced craving and anxiety induced by drug cues in individuals with heroin use disorder. The study also revealed that CBD tended to reduce physiological measures of stress reactivity, such as increased heart rate and cortisol levels.

Fentanyl deaths up 122% in West Virginia, say WVU researchers

A recent study found that fentanyl-related deaths in West Virginia increased by 122% between 2015 and 2017, despite a decline in prescription opioid deaths. The surge in fentanyl deaths is attributed to illegal imports from China and the potency of the drug itself.

Surgical implications of rising heroin abuse

The article discusses the rising trend of heroin abuse in the US, which has led to an increase in surgical complications such as skin and soft tissue infections, septic thrombophlebitis, and mycotic pseudoaneurysms. Rapid recognition and management of these complications are crucial to prevent life-threatening outcomes.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Heroin users aware of fentanyl, but at high risk of overdosing

A survey of heroin users in Baltimore found that while most recognize the presence of fentanyl, they are not adequately prepared to prevent or treat overdoses. Many users reported injecting alone and lacked access to naloxone, a lifesaving medication that can reverse overdose symptoms.

Opioid epidemic fueling a rise in infection-related stroke

Researchers found a significant increase in infection-related stroke hospitalizations from 1993 to 2015, with the greatest increases seen in women and young people. The study suggests that addressing the opioid epidemic is crucial in reducing this public health problem.

VCU researchers test effectiveness of anti-opioid vaccine

Researchers at VCU are testing a vaccine that blocks heroin and fentanyl effects in patients with opioid use disorder. The vaccine prompts the immune system to generate anti-opioid antibodies, preventing drug molecules from crossing the blood brain barrier.

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.

Drug wholesalers drove fentanyl's deadly rise, report concludes

A recent report by researchers at UC San Francisco suggests that fentanyl's deadly spread is largely driven by the economic imperatives of suppliers, rather than demand from users. The report found that fentanyl's cheap and plentiful availability in wholesale markets following heroin supply shocks contributed to its rise.

Dopamine drives early addiction to heroin

Scientists have made a major advance in understanding how heroin addiction develops by studying the brain circuits that lead to its powerful addictive effects. The discovery of dopamine neurons' role in reinforcing heroin's effects could help refine addiction treatment and develop less addictive painkillers.

Why don't we understand statistics? Fixed mindsets may be to blame

A study found that fixed mindsets can lead to difficulties in solving statistical problems, even when simpler solutions are available. The researchers suggest that a lack of education in natural frequencies may be the cause, and hope to encourage curriculum designers to incorporate this concept into school mathematics and statistics.

Celestron NexStar 8SE Computerized Telescope

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

High schoolers who use heroin commonly use multiple other drugs

A study by NYU's Center for Drug Use and HIV/HCV Research found that high school seniors using heroin also commonly use multiple other drugs, with an average of five others. The researchers discovered a link between frequent heroin use and increased use of opioids and benzodiazepines.

Rapid increase of synthetic opioids involved in drug overdose deaths

In a recent study published in JAMA Network, synthetic opioids were found to be involved in 45.9% of opioid-related deaths in 2016, up from 14.3% in 2010. The study highlights the growing threat of synthetic opioids, particularly fentanyl, and their increasing role in overdose deaths

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.

Heroin vaccine blocks lethal overdose

Researchers at Scripps Research Institute have created a safe and effective vaccine to block heroin's lethal effects, using an adjuvant already approved by the FDA. The vaccine, which is stable at room temperature for up to 30 days, shows promise in treating heroin addiction and preventing overdose deaths.

New vaccine technology shows promise as a tool to combat the opioid crisis

Researchers developed an experimental heroin vaccine that induces antibodies blocking the drug's effects, preventing euphoria and addictive properties. The vaccine appears to dampen the impact of heroin at high doses, potentially preventing overdose. Antibodies induced by the vaccine do not cross-react with therapies for opioid misuse.

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.

Researchers identify information gaps about opioid antidote naloxone

A systematic review of evidence reveals important gaps in knowledge about the safety and effectiveness of widespread off-label use of naloxone among patients, families, friends, and emergency responders. The study found that the majority of naloxone being administered nasally is probably the non-approved formulation, but little is know...

Baby-boomers and millennials more afflicted by the opioid epidemic

A recent study at Columbia University's Mailman School of Public Health found that baby-boomers and millennials are disproportionately affected by the opioid epidemic. The study analyzed data from 1999 to 2014 and found that these age groups experienced a significantly increased risk of death from prescription opioid overdose and heroi...

Hospital discharges for prescription opioids down, heroin discharges surge

A recent study led by Stanford Medicine researchers found a significant decrease in hospital admissions for prescription opioid overdoses, but an increase in heroin and synthetic opioid poisonings. This shift suggests that individuals misusing or addicted to prescription opioids are switching to these alternative drugs.

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.

New method could help disrupt opioid crisis

Researchers have developed a new method to track the origin of individual batches of heroin, potentially aiding in the disruption of the opioid crisis. By analyzing the ratio of radiogenic strontium isotopes, they can differentiate samples from different geographic regions.

Fluke 87V Industrial Digital Multimeter

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

Heroin's use rising, costing society more than $51 billion

A new study estimates that heroin users have a significant impact on society due to premature death, lost productivity, and chronic infectious diseases. Heroin use was estimated to cost US society over $51 billion in 2015, with the cost per user exceeding $50,799 per year.

TSRI anti-heroin vaccine found effective in non-human primates

The TSRI anti-heroin vaccine has been shown to neutralize heroin and its psychoactive products, blocking them from reaching the brain to cause a feeling of euphoria. Researchers believe this could help eliminate motivation for relapse in recovering addicts.

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.

Fentanyl can sicken first responders. Here's a possible solution.

NIST researchers have developed Ion Mobility Spectrometry (IMS) and Direct Analysis in Real Time Mass Spectrometry (DART-MS) technologies to detect fentanyl in unknown powders. These techniques can identify the lowest concentrations of fentanyl mixtures, allowing law enforcement officers to take extra precautions.

Heroin use rises significantly among young whites

Heroin use has increased five-fold among Americans since 2001, with significant rises in white males with low income and education. The prevalence of heroin use disorder also increased, particularly among younger individuals, with whites ages 18-44 experiencing a more pronounced increase than non-whites and older adults.

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.

From heroin addiction to alcohol-related problems

Long-term opioid substitution therapy reduces heroin and cocaine consumption among patients with heroin addiction. However, frequent alcohol consumption among these patients has increased, posing a significant health risk due to liver infections like hepatitis B and C.

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.