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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

COVID-19 news from Annals of Internal Medicine

Researchers found that over 20% of US homes lack sufficient space and plumbing facilities to isolate or quarantine COVID-19 patients. The study suggests that offering hotel stays with medical supervision at no cost could decrease transmission in minority communities.

In China, quarantine improves air and prevents thousands of premature deaths

A new study found that China's countrywide ban on traffic mobility during the pandemic greatly limited automobile emissions and sharply reduced severe air pollution. This led to an estimated 12,125 avoided premature deaths compared to lives lost from the pandemic, with two-thirds of these being from cardiovascular diseases.

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Successful online management of COVID-19 infection

A multidisciplinary self-managed home quarantine method was developed in Wuhan, China, controlling the source of COVID-19 infection and alleviating medical resource shortages. The method involved online monitoring, strict compliance with quarantine measures, and regular communication between patients and the quarantine team.

New study on COVID-19 estimates 5.1 days for incubation period

A new study by Johns Hopkins Bloomberg School of Public Health estimates the median disease incubation period for COVID-19 at 5.1 days, affirming earlier estimates and supporting the CDC's current 14-day quarantine period. This estimate suggests that about 97.5% of people develop symptoms within 11.5 days of exposure.

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

Quarantine on cruise ship resulted in more Corona patients

A quarantine on the Diamond Princess cruise ship resulted in a much higher number of coronavirus infections than initially expected. The study found that passengers were exposed to each other for an extended period due to strict social distancing measures, leading to increased transmission.

New chili pathogens discovered in Australia

Four new Colletotrichum species have been identified in Australian chillies, causing anthracnose disease that lowers yield and produces sunken black spots. The discovery highlights the need for a more effective diagnostic quarantine system to protect Australia's billion-dollar agriculture export industry.

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 in the Hastings Center Report

The article explores the negative effects of medical industry gifts on physicians, arguing that well-intentioned actions can be perniciously infected by industry presence. It also examines Medicare's new policy on advance planning and its limitations, as well as the quarantine controversy surrounding Ebola nurse Kaci Hickox's case.

Quarantine yes/no?

A novel decision tree assesses quarantine's impact on disease spread and individual freedoms. The authors warn against premature quarantine measures without evidence-based data.

Nikon Monarch 5 8x42 Binoculars

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Bison ready for new pastures?

A new study by the USDA and WCS demonstrates a quarantine protocol that can qualify young bison as brucellosis-free in under three years, enabling their use to seed conservation herds without disease transmission. The study shows no evidence of brucellosis was found in either newborn calves or their mothers.

Successful tech transfer leads to more Hawaiian exports

USDA scientists have successfully applied generic irradiation protocols to control quarantine insect pests on fresh commodities, enabling easier and less costly exports of tropical fruits and vegetables from Hawaii. This technology has also been adopted by several countries, including Mexico, India, and Thailand.

Pandemic flu models help determine food distribution and school closing strategies

Researchers developed models to estimate meal requirements and school closures to minimize the number of people infected. The simulations showed that school closures reduced the number of people infected with the virus, while voluntary quarantine and food distribution interventions had varying effects on disease spread and resource all...

Michigan-CDC study supports value of social restrictions during influenza pandemics

A Michigan-CDC study analyzed 43 US cities during the 1918-1919 Spanish flu pandemic and found that sustained non-pharmaceutical interventions (NPIs) like quarantine, isolation, school closures, and public gathering cancellations significantly reduced mortality rates. The study's findings challenge conventional wisdom on the effectiven...

Davis Instruments Vantage Pro2 Weather Station

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Communication is key to successful U.S. SARS quarantine

A report from the University of Louisville's Institute for Bioethics, Health Policy and Law highlights the importance of effective communication in successful SARS quarantines, with key findings including the need for a single spokesperson and regular channels to boost compliance.