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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

Tiny water purification packet helps save lives worldwide

A tiny packet containing a grayish powder has been shown to dramatically reduce diarrheal deaths caused by contaminated water. The system, called PUR Purifier of Water, can kill deadly pathogens and remove toxic metals, and is now being distributed globally for free

Apple iPhone 17 Pro

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

Zinc supplements safe for HIV-infected children

Researchers found that zinc supplementation is safe and effective in reducing the frequency of watery diarrhea in HIV-infected children. The study showed no increase in plasma HIV-1 viral load measurements, supporting the use of zinc as an adjunct therapy for children with HIV infection.

Dark chocolate helps diarrhea

Researchers found that cocoa flavonoids can bind to and inhibit CFTR, a protein in the intestines that regulates fluid secretion. This discovery could lead to natural treatments for diarrhea that are inexpensive and have few side effects.

Handwashing with soap key to reducing burden of childhood disease

A randomized controlled trial in Pakistan found that handwashing with soap reduced the incidence of pneumonia by 50% and diarrhoea by 53% in children under 5. Handwashing also prevented impetigo. The study highlights the importance of regular handwashing as a cost-effective technique for preventing childhood diseases.

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.

Saving six million children each year is affordable

A new study estimates that an additional $5.1 billion annually will be needed to deliver universally available interventions in 42 countries, which will save the lives of 6 million children. The authors conclude that this cost is affordable and reflects a choice made by policy makers and donors.

Annals of Internal Medicine tip sheet for May 17, 2005

Researchers found rifaximin significantly reduces mild diarrhea in travelers, while updated guidelines advise against hormone replacement therapy (HT) for postmenopausal women after hysterectomy. A study also discovered that slightly elevated blood sugar levels do not increase the risk of new heart attacks in women with established cor...

Study finds medication prevents travelers' diarrhea

A clinical trial found rifaximin effective in preventing travelers' diarrhea, with only 14.74% of participants experiencing symptoms after two weeks of daily dosing. The antibiotic lacks side effects and does not stimulate resistance in bacteria, making it a promising preventive measure.

Norovirus found to cause traveler's diarrhea

A study by Johns Hopkins Bloomberg School of Public Health found that Norovirus causes 65% of traveler's diarrhea in US visitors to Mexico and Guatemala. The researchers also discovered a higher rate of dual infections with E. coli, suggesting that these co-infections may be more common than previously thought.

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.

Study of trends in celiac disease

A new study on celiac disease over a 52-year span reveals a significant shift in patient demographics and symptom presentation. Fewer patients are diagnosed with diarrhea, while more are discovered through screening, leading to an increase in silent diagnoses.

Travelers' diarrhea not improved by restricted diet

Researchers at University of Texas found no benefit to restrictive diets for travelers with diarrhea, contrary to traditional advice. The study suggests that simple carbohydrates may aid in gut repair and symptom alleviation.

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.

Mast cells to blame for allergic diarrhea

Researchers found that mast cells are required for experimental oral allergen-induced diarrhea, which is dependent on serotonin and platelet-activating factor signaling. Blocking these pathways could lead to new treatments for gastrointestinal allergy.

FDA approves new HIV protease inhibitor, Lexiva (TM)

Lexiva demonstrated durable anti-viral response through 48 weeks, significantly less grade 2-4 drug-related diarrhea than nelfinavir. In PI-experienced patients, Lexiva/r showed fewer nucleoside reverse transcriptase inhibitor (NRTI) mutations after virologic failure compared to lopinavir/ritonavir.

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.

Univ of MD study on prevalence of celiac disease

Researchers found that more than 1.5 million Americans suffer from celiac disease, which is triggered by the protein gluten and can cause various gastrointestinal symptoms. The study, published in Archives of Internal Medicine, used a multi-center approach to screen over 13,000 people across 32 states.

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.

JCI Table of Contents, December 2, 2002

Researchers have discovered that angiopoietin-1 can restore faulty blood vessel architecture in mice by promoting sprouting, survival, and stability of new vessels. This study highlights the importance of pericytes in maintaining normal vessel stability and may lead to new treatments for diseases like diabetic retinopathy.

Zinc supplementation reduces diarrhea and death in Bangladeshi children

A recent study found that zinc supplements can significantly reduce the severity and duration of diarrhea in Bangladeshi children, resulting in lower rates of child morbidity and mortality. The study supports the use of zinc therapy as a simple and effective intervention to improve child health and survival.

Dispersin' Escherichia coli all over the gut

A new study reveals dispersin, a protein on the surface of E. coli bacteria, helps promote its ability to survive and spread in the gut. Dispersin is now being explored as a potential vaccine candidate due to its strong immune response-provoking properties.

Fluke 87V Industrial Digital Multimeter

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

Annals of Internal Medicine, tip sheet, June 18, 2002

A study found contaminated E. coli bacteria in hot sauces from popular tourist restaurants in Mexico and Texas, increasing the risk of travelers' diarrhea. A simple test can detect peripheral arterial disease by comparing blood pressure in the arm and lower leg.

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.

Zinc reduces pneumonia by 41%, and diarrhea by up to 25%

A pooled analysis of 10 randomized trials found that zinc supplementation significantly reduces pneumonia incidence by 41% and diarrhea by up to 25%. The effect of zinc on pneumonia prevention is greater than other current interventions, making it a promising addition to child health programs worldwide.