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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

St. John's wort amplifies effect of blood thinner Plavix

A small study found that St. John's wort amplifies the effect of blood thinner Plavix, potentially increasing the risk of bleeding among those who take both. The researchers plan to conduct further studies to confirm the finding and explore its implications for new drug development.

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.

UCLA study shows that people drink less alcohol as they age

A recent UCLA study published in the American Journal of Public Health found that people's drinking habits decrease with age, with an average decline of 9-11% per decade. The study used data from the National Health and Nutrition Examination Survey to track changes in drinking behavior over time.

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.

Bacteria's 'glue valve' surprises scientists

Researchers discovered that the HMW1B protein forms a tetramer structure, unlike previously thought monomers, which creates an active pore for substance movement across cell membranes. This finding may lead to new targets for drugs to treat H. influenzae infection.

Firefly compound lights up 'protein dance' in living animals

Scientists have developed a technique to detect protein interactions using firefly luciferase. The method was tested on human proteins interacting with the antibiotic rapamycin and showed accuracy and selectivity. The technique also demonstrated its potential in studying other protein pairs linked to cell life cycle regulation.

Apple iPhone 17 Pro

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

Acamprosate: potential medication for treating alcoholism

Researchers investigated acamprosate's interactions with alcohol in a six-week study. The findings suggest that acamprosate does not alter the rate of absorption or elimination of alcohol by the body, disrupting effects on performance tasks, or most mood effects. This suggests potential as a medication for treating alcoholism.

OHSU scientists find gene influencing drug withdrawal

Researchers identified Mpdz gene as key player in physical dependence and withdrawal from sedative-hypnotic drugs. The study found that higher expression of Mpdz correlated with reduced susceptibility to drug withdrawal seizures.

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.

Tackling medical schools' informal curriculum

The IU School of Medicine aims to integrate competency-based curriculum with the 'hidden curriculum' to improve practice and professionalism. The school's unique approach involves changing its culture to mirror the social context of care, teaching students about relationships and customer experience.

SOS Rx: National medication safety group organized

SOS Rx aims to produce behavior changes in consumers through education efforts and institutional changes within the health care system through advocacy. The coalition is exploring ways to promote system-wide changes, including a clearinghouse of safe practices and personal medication records.

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.

Beers criteria for medications to avoid in the elderly updated

A national expert panel updated widely used criteria for potentially harmful medications in older adults. The 1997 Beers Criteria has identified 48 medications to avoid, including estrogen and Benadryl, due to increased risk of adverse drug events such as depression and bleeding.

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.

Hassle-free stroke prevention offered by new drug, Stanford researcher says

A new study found that ximelegatran, a novel oral thrombin inhibitor, is as effective as Coumadin in preventing strokes in people with atrial fibrillation but without the need for regular blood tests or dose adjustments. The drug has been shown to reduce major bleeding incidents and may be approved by the FDA within the next year.

Prescription drug utilization reviews are less than useful

A new study by University of Pennsylvania researchers found that mandatory prescription drug utilization reviews have no detectable effect on prescribing errors or patient outcomes. The program's reliance on computer alerts and guidelines was deemed ineffective in changing physician behavior.

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.

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.

'Pachinko chances'

A new theory suggests that human metabolism operates like a pinball machine, influencing drug toxicity and disease development. The researchers used metabonomics to study global human metabolism and its interactions with drugs, environment, and gut microflora.

Polyherbacy prompts need for physician's advice

Combining herbal supplements with regular medication without consulting a doctor can lead to adverse interactions. Patients should discuss their herbal supplement use with their primary physician to ensure safe treatment and prevent unexpected complications.

Revised guidelines will ease selection of HIV/AIDS treatments

The updated Guidelines provide practitioners with a list of suggested combination regimens for the initiation of antiretroviral therapy, taking into consideration factors such as potency, toxicities, and dosing frequency. The revised document aims to simplify the process of selecting an effective treatment regimen for HIV/AIDS patients.

Survey reveals adult ADHD often undiagnosed by primary care physicians

A recent survey found that nearly half of primary care physicians feel uncertain in diagnosing adult ADHD, highlighting the need for better training and symptom assessment tools. The survey also revealed that only 34% of physicians report being knowledgeable about adult ADHD, compared to 92% for depression.

Physicians not 'easy marks' for drug sales reps, argues O.R. study

A study by Columbia University and the University of Washington found that pharmaceutical sales reps have modest to very small influence on prescribing behavior. In contrast, distributing drug samples plays a more positive role in contrasting medications and helping manufacturers maintain market share.

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.

Tailoring could enhance physical activity web sites

A study found that most physical activity web sites provide general knowledge but lack personalized assistance to users. Tailored messages can increase the chance of material usage and personal change. One site, JustMove.org, outperformed others in providing interaction and tailored assistance.

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.

First revised guidelines since 1994 on tuberculosis

The new guidelines recommend directly observed therapy for patients with TB to improve treatment completion rates. Four regimens are recommended for treating patients with drug-susceptible organisms, with an initial phase of 2 months followed by a continuation period of 4 to 7 months.

Survey shows benefits of prescription drug advertising, few adverse effects

The survey found that 35% of respondents discussed a health concern with their doctor after seeing an advertised drug. Patients who received a new diagnosis were more likely to have high-priority conditions such as arthritis or diabetes. Additionally, physicians suggested lifestyle changes and quit-smoking advice in over half of visits.

Structure of key breast cancer receptor determined

Researchers at Johns Hopkins have determined the 3D structure of the HER2 breast cancer receptor, shedding light on its interactions with the Herceptin antibody. The findings could lead to the design of more effective drugs for treating breast cancer.

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.

New study pursues the impact of pregnancy on drug efficacy

Researchers investigate how pregnancy affects medication levels in the blood, suggesting that placenta's organic cation transporter plays a crucial role. The study aims to inform safe dosing practices for pregnant women taking common medications, potentially improving treatment outcomes and reducing risks.

Study holds promise for stroke, schizophrenia treatments

Researchers have discovered a new way to prevent cell death in the brain, which could lead to treatments for stroke, schizophrenia, and other neurological disorders. By enhancing the interaction between two proteins, they may be able to design medications that target specific brain functions.

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.

Genetics in clinical practice: a revolutionary approach

A new virtual clinic, developed by Dartmouth Medical School, aims to improve understanding of genetic testing and services among non-geneticists. The program uses interactive multimedia and expert simulations to train healthcare providers on genetics in clinical practice, working with labs and genetic counselors.

Texas scientists reach out and touch molecules

Researchers at Texas A&M University have created a haptic device called 'Touché' that allows chemists to feel the interaction between molecules, enabling more accurate drug design. The device enables simulation of large numbers of atom interactions in a short period, improving pharmacological research.

U-M Depression Center receives $750K gift from Eli Lilly Foundation

The U-M Depression Center will expand outreach activities, automate treatment reporting, and coordinate care through trained specialists to improve depression treatment. The gift also enables the development of strategies for improving treatment adherence, a key factor in successful treatment outcomes.

One-on-one with pharmacists gives patients medication advantage

A study found that patients who had one-on-one discussions with pharmacists reported using less medication and having fewer medication-related problems. The sessions helped increase communication between patients and their physicians, leading to improved health outcomes.

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.

Nicotine patches and gum may pose health hazards

Researchers have found that nornicotine, a breakdown product of nicotine, can catalyze certain chemical reactions in the body, potentially triggering adverse health effects. This interaction may also lead to reduced drug potency and increased risk of side effects for those taking medications while smoking or using nicotine products.

As heart patients flock to alternative medicine, hazards may lurk

A study of 145 heart patients found that 74% used complementary and alternative medicine (CAM) therapy, with 60% using supplements or mind-body techniques. Many patients took prescription medications and CAM substances together, posing a risk of bleeding problems, including gastrointestinal bleeding or surgical complications.

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.

Garlic supplements can impede HIV medication

Researchers discovered that garlic supplements decreased saquinavir levels by up to 51% in healthy volunteers. This suggests that patients taking saquinavir should avoid using garlic supplements to prevent interactions.

Probing alcohol's actions in the brain

The study examined the impact of alcohol on NMDA receptors in the brain, finding that it inhibits or prevents Fos protein induction. This suggests that alcohol acts by modifying these receptors, which could be linked to the development of symptoms and susceptibility to alcoholism.

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.

Alternative therapy use by Parkinson's patients

A new study reveals that many Parkinson's patients are using alternative therapies, despite a lack of physician knowledge on the topic. The research found no correlation between disease severity and use of alternative therapies, suggesting that patients are seeking these treatments for other reasons.

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.

When alcohol and nicotine interact

Research confirms that nicotine reduces peak blood alcohol concentrations, leading to increased consumption of alcohol to achieve intoxication. This interaction can result in adverse effects on the liver, heart, and brain.