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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

Zinc supplements could help treat ADHD

Researchers found that children taking additional zinc sulphate on a daily basis showed faster improvement in their ADHD symptoms compared to those taking a placebo. The study's results suggest a potential role of zinc deficiency in the pathogenesis of ADHD and highlight the need for further research.

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Estimated one in five people worldwide lack enough zinc in diet

A report by the International Zinc Nutrition Consultative Group finds that zinc deficiency affects millions worldwide, particularly in developing countries. It highlights methods for assessing population zinc status and potential strategies for controlling nutritional deficiencies through supplements and public education.

A new hope for heavy metal contaminated soils

Researchers at Max Planck Institute and Leibniz Institute have identified key metal homeostasis proteins in a hyperaccumulator plant species, paving the way for cost-effective cleanup technologies. These proteins play a crucial role in detoxifying metals in roots and shoots, allowing plants to accumulate heavy metals in their leaves wh...

Daily vitamins could prevent vision loss among thousands

A recent study suggests that daily vitamin supplements can reduce the risk of advanced age-related eye disease (AMD) by 25% and vision loss by 19%. Researchers estimate that 1.3 million adults may develop advanced AMD without treatment, highlighting the importance of regular retina exams.

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Jaws of clamworm are hardened by zinc say UCSB scientists

Researchers found that the polychaete worm's jaws are hardened by zinc due to its high concentration towards the tip. The study reveals a new paradigm in nature and sparks ideas for materials science, potentially leading to lighter tires and protective coatings.

Other highlights of the July 2 JNCI

Researchers found that high zinc intake was associated with an increased risk of advanced prostate cancer, but not with lower doses. The studies also failed to find evidence of simian virus 40 (SV40) DNA in non-Hodgkin's lymphoma samples.

'Green' car tyre produced

Dutch technologists have developed a more environmentally friendly car tyre by mixing silica and rubber in a specific ratio. The tyre features a low rolling resistance, leading to reduced fuel consumption. Silica grain size plays a crucial role in the rolling resistance, with smaller particles resulting in lower resistance.

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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.

Prenatal zinc supplementation could impair childhood mental development

A recent study found that prenatal zinc supplementation had no significant effect on the mental development of children. However, infants whose mothers received zinc supplements during pregnancy showed poorer nutritional status, which was strongly related to their development. The researchers emphasize the serious nature of undernutrit...

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Growth benefits of zinc in children with sickle cell disease

A study of 38 children with sickle cell disease found that zinc supplementation significantly increased rates of growth in height and sitting height after 12 months. The treatment reversed growth deficits and delayed development, unlike the control group which showed gradual growth failure characteristic of SCD.

Age-Related Eye Disease Study (AREDS)

A nationwide clinical trial found that a dietary supplement of antioxidants and zinc significantly reduces the risk of advanced age-related macular degeneration (AMD) and its associated vision loss. The supplements reduced the risk of AMD progression by 19% in those with intermediate AMD.

Zinc deficiency an underestimated problem

The NWO study found that children receiving iron, zinc, and vitamin A supplements during pregnancy have better resistance to disease. Zinc deficiency is often linked to the same causes as iron deficiency, resulting from one-sided nutrition lacking animal products.

Microbes make mine-waste drinkable,Scienceresearchers report

A team of scientists discovered bacteria that can clean up contaminated water by stripping away impurities and re-packaging them into zinc sulfide crystals. These microorganisms, found in the Desulfobacteriaceae family, have the potential to improve the efficiency of mining waste removal.

Discovery may jump-start mine remediation efforts

Researchers found natural biofilms that concentrate zinc sulfide, which could aid in treating acid mine drainage. The discovery sheds light on the biology of metal ore formation and offers potential solutions for contaminated mining sites.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Cars and bridges that almost never rust

A new plastic coating called polyaniline has been discovered that can prevent rust and corrosion in metal structures, lasting up to 10 times longer than traditional coatings. This polymer-based coating reacts with iron and steel to create an organic metal that halts corrosion.

Annals of Internal Medicine, tip sheet, August 15, 2000

A randomized trial found that zinc acetate lozenges reduced the duration and symptoms of colds, but caution is needed due to potential copper deficiency risks. Antiretroviral therapy also showed promising results in reducing HIV transmission in semen, but with concerns about drug resistance.

AmScope B120C-5M Compound Microscope

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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.

Zinc Reduces Child Mortality By More Than 34%

A randomized controlled trial found that zinc supplementation significantly reduced mortality in low-birth weight Indian children. Zinc also reduced diarrheal prevalence and pneumonia incidence in international studies.

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University of Florida Research Shows Zinc Triggers Body's Defenses

A University of Florida study reveals that zinc supplements can increase the levels of genetic material in human immune cells, providing immediate protection against disease and stress. The research found a rapid response to zinc supplementation, with RNA levels increasing three times within 24 hours.

Federal Food Aid Makes Healthier Children

A new study by Cornell University researchers found that preschoolers receiving federal food aid have healthier diets than their low-income peers not receiving assistance. The benefits of direct food aid outweigh those of a cash allowance, with significant boosts in iron and zinc intake, as well as other essential nutrients.