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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

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Scientists shed light on mechanism behind beneficial effects of red wine

Researchers have deciphered the three-dimensional structure of a plant enzyme that produces resveratrol, a key component of red wine with impressive health benefits. The study provides new insights into the relationships among plant proteins, shedding light on how grapes produce resveratrol to defend against fungal invasion.

Jefferson study shows red wine more heart-healthy than gin

A recent study by Thomas Jefferson University researchers found that red wine has a greater effect in lowering levels of anti-inflammatory substances in the blood compared to gin. The study's results suggest that moderate consumption of red wine may offer some protection against heart disease and stroke.

Study identifies genetics of fat metabolism, red wine link

Researchers from Oregon State University identified a key genetic mechanism linking resveratrol in red wine to reduced fat formation and increased fat mobilization. This may explain why moderate red wine consumption is associated with lower deaths from heart disease.

Cocoa froths with cancer-preventing compounds

Researchers at Cornell University found that cocoa contains nearly twice the antioxidants of red wine and up to three times those found in green tea. The high content of phenolic phytochemicals, or flavonoids, is responsible for this superior antioxidant activity.

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Hot cocoa tops red wine and tea in antioxidants; may be healthier choice

Cocoa has been found to have the highest antioxidant content among hot water-based beverages, surpassing red wine and green tea. A study comparing the total antioxidant content of these drinks revealed that hot cocoa contains almost twice as many antioxidants as red wine and up to five times more than black tea.

New cholesterol fighter found in red wine

Scientists at the University of California, Davis have identified saponins in red wine as a potential cholesterol fighter. Saponins are found to contain higher levels in red wine than white wine and may work by binding to and preventing the absorption of cholesterol.

Researchers link red wine to 'good cholesterol'

A new study found that moderate red wine consumption is associated with higher levels of HDL cholesterol in regular drinkers. The researchers discovered that the fatty acid composition of these HDL particles may play a beneficial role in reducing cardiovascular risk.

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White wine may benefit lungs

A study of 1,555 adults found that drinking white wine may be beneficial for lung health, with greater lung function observed in those who consumed white wine compared to red wine. The antioxidant flavonoids in white wine are thought to play a key role in this protective effect.

Is red wine just as heart-healthy without the alcohol?

Researchers found that the presence of alcohol in red wine had no additional benefit to the body's absorption of flavonoids, including catechin. Blood concentrations of catechin rose sharply in both groups but persisted for less time in those who drank alcoholic beverages.

Wine Intake And Diet

A large Danish study found moderate wine consumption protects against coronary heart disease. Red wine's high antioxidant content is linked to a healthier diet, including more fruit, vegetables, and fish consumed by wine drinkers compared to beer or spirits consumers.

The Heart-Healthy Cup Runneth Over -- With Grape Juice

A study by Jane E. Freedman found that purple grape juice inhibits platelet aggregation, reducing blood clotting risk and improving cardiovascular health. The flavonoid quercetin was also shown to have antioxidant properties, preventing the inactivation of nitric oxide.

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Red Wine Consumption And Heart Disease

A study found that red wine polyphenols increased the lag time of LDL oxidation, decreased lipid peroxides and thiobarbituric acid-reactive substances, and boosted plasma and LDL polyphenols. Vitamin E supplementation also showed antioxidant effects, although with varying degrees depending on EDTA presence.

Red Wine's Health Benefits May Be Due In Part To

Researchers at Northwestern University Medical School found that resveratrol in red wine is a form of estrogen with cardioprotective properties. Moderate consumption of red wine may reduce cardiovascular disease risk due to its resveratrol content, which activates estrogen receptors and increases HDL cholesterol.

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