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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

Highlights of August 2005 Journal of the American Dietetic Association

According to a survey of 228 Pennsylvania high schools, bottled water and fruit juice are widely available in vending machines, while the top-selling a la carte items include hamburgers, pizza, and sandwiches. The survey also found that nearly 60% of schools sell carbonated beverages through vending machines.

Failing to aid Africa will lead to more terrorism

According to Pinstrup-Andersen, failing to address Africa's devastating poverty will exacerbate global instability and push millions towards terrorism. The consequences of malnutrition and environmental degradation in Africa will have far-reaching effects on worldwide security.

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

Feeding the world requires more than a spoonful of safety

Microbial contamination of food is a significant problem worldwide, causing millions of deaths and illnesses. Experts recommend new approaches to food control, including centralized policies and increased surveillance, to ensure safe food production and trade.

Rehabilitation can restore some vision after stroke

Vision restoration therapy (VRT) is a new technique that can help patients with visual field defects recover their sight after a stroke. Through repeated use of damaged areas, VRT strengthens nerve activity related to vision, leading to significant improvements in sample stimulus detection and reduction in undetected stimuli.

People on food stamps can't afford heart-healthy meals

Low-income families in Roxbury, Mass. face limited access to heart-healthy foods due to high costs. Researchers developed cost-effective menus with input from community members, but found monthly food costs exceed maximum food stamp benefits. Interventions are planned to educate and engage communities to promote dietary change.

Diabetics face fewer healthy food choices in some urban areas

A study by Mount Sinai School of Medicine found that East Harlem grocery stores were less likely to stock diabetes-friendly foods compared to Upper East Side stores. The research highlights the need for healthier food options in underserved communities.

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Soft drinks not linked to decreased calcium intake

A study found that adolescent girls and boys drink fewer soft drinks than perceived, with an average of one can per day. Despite this, younger children and African-American children have lower calcium intakes. The study suggests increasing milk consumption and calcium supplements to improve dietary habits.

GM nation? Public debate: a valuable experiment

A UK public debate on GM food was evaluated as providing valuable lessons for future debates, but failed to engage the uncommitted public. The survey revealed that 36% opposed GM food, while 85% believed more research is needed on its health effects.

Mad cow has confidence stirred, but not shaken

A recent survey found that most Americans remain confident in the safety of their beef supply following a confirmed case of mad cow disease in Washington State. The study suggests that consumer confidence has been boosted by government actions and trust in food regulators, but some have expressed concerns about the risk of transmission.

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Awareness of GM foods increasing, while overall support slipping

Despite 80% of processed American food containing genetically modified ingredients, only 26% of Americans believe they have ever eaten GM foods. A new study found that self-reported and objective knowledge of biotechnology remains low in the US, but opinions on GM foods are open to change.

Megaportions: What's a body to do?

Experts recommend developing strategies to persuade consumers to eat in moderation, including marketing and labeling changes. Modified foods with reduced fat and added water-rich vegetables can also help reduce calorie intake while maintaining palatability.

Into the mouths of babes

A survey of low-income single mothers in Atlantic Canada found that 78% experienced food insecurity and reported poorer nutrition than their children. The study highlights the need for policy reforms to address income inequality and ensure access to nutritious food for vulnerable populations.

Sony Alpha a7 IV (Body Only)

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Tariffs and farm subsidies deny health and affluence

Agricultural surpluses and tariffs imposed by wealthy nations deny developing countries the opportunity to produce more food and lift people out of poverty. The solution lies in investing in rural infrastructure, technology, and market structure to increase productivity and reduce hunger.

Nation's leading hospitals serving up fast food

A study by researchers at Michigan Medicine found that nearly 38% of top-ranked US hospitals have fast-food franchises on their premises. The authors express concern that this serves a contradictory message to health promotion and may contribute to rising obesity rates in the US.

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Access to healthy foods limited in poor neighborhoods

A new study reveals that wealthier neighborhoods have more supermarkets, while poor neighborhoods rely on mom'n'pop stores and specialty food stores. This disparity limits the availability of healthy foods, increasing the risk of chronic diseases like diabetes and congestive heart failure.

China Study II: Western diet might bring Western disease

The study found associations between increased consumption of animal-based foods and higher risks of various diseases, including cardiovascular disease, cancer, obesity, diabetes, and liver cancer. Plant-based diets were inversely associated with these health problems.

Rural poor face rough road moving from welfare to work

Research highlights the difficulties faced by rural low-income families in transitioning from welfare to work due to limited job opportunities and lower wages. Despite recent economic growth, many rural areas lack essential workplace supports and infrastructure, hindering employment prospects.

The Selling Of Olestra

Marion Nestle reviews the history of olestra's approval, highlighting the FDA's decision to approve the fat substitute while requiring warning labels. She calls for changes in the regulatory system to move towards alliances with industries, increasing FDA research authority and funding.

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Alcohol Is Prime-Time TV's Favorite Beverage

A new study found that prime-time TV programs show alcohol more frequently than any other drink or food, and adolescent characters are almost twice as likely to drink it compared to older characters.