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

Common chest blows can cause sudden death in children

Researchers found that chest blows from objects such as baseballs or swings can lead to commotio cordis, a type of sudden cardiac death. The study identified 124 cases, with most victims being male children under 12 years old, and emphasized the importance of public education and awareness in preventing these incidents.

Handheld echocardiography device could be stethoscope of future

A new handheld echocardiography device has been shown to detect heart abnormalities with minimal training, offering a major step forward in heart health screening. The device can reasonably detect left ventricular dysfunction and pericardial effusion, but may require additional training for other conditions.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Minimally invasive cure for abnormal heart rhythm on the horizon

Researchers have developed a new treatment option for atrial fibrillation using bipolar radiofrequency, which shows promising results in treating the condition. The procedure can be done without using the heart-lung machine and has been tested on sheep with successful outcomes, indicating it may be safe for human patients.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Increase in abnormal heart rhythms in shift workers

A recent study has found that shift workers are more likely to experience abnormal heart rhythms, with the risk increasing with the number of night shifts worked. The study measured changes in premature ventricular complexes and heart rate variability among employees working day and night shifts.

Implanted defibrillators: How well do they work?

A new study found that implanted cardioverter defibrillators save the most lives among patients with severe heart disease who suffer from abrupt heart rhythm malfunctions. The device monitors electrical signals and acts within seconds to restore a normal heartbeat, providing life-saving benefits for high-risk patients.

Implanted heart devices prone to silent, dangerous staph infection

A study found that pacemakers and ICDs can be infected with Staphylococcus aureus bacteremia without obvious signs, highlighting the need for accurate documentation and removal of devices to prevent serious illness and death. The researchers concluded that removing cardiac devices is essential for patients who develop staph infection.

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Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Caution urged in research with angiogenesis therapy

Researchers warn that angiogenesis therapy could trigger growth in abnormal tissue, increase artery-clogging plaque, and stimulate inflammatory response. Despite these potential complications, the authors remain hopeful that the therapy will ultimately prove effective and safe.

American Heart Association honors four volunteers

The American Heart Association has recognized four dedicated volunteers for their outstanding work in advancing the association's objectives. Edward Freis, Patricia Mahoney, Michael Moore, and Robert Roberts were honored for their efforts to reduce high blood pressure and promote heart health research.

American Heart Association leaders honored

Distinguished leaders Bryant, Robertson, and Warfel were honored for their dedication to the American Heart Association. The organization has grown to include over 22.5 million volunteers and supporters, dedicating $337 million to research support and community programs.

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Scientists discover 66-million-year-old dinosaur with a heart

A team of scientists has discovered a 66-million-year-old Thescelosaurus with a complete fossilized heart, suggesting the dinosaur's circulatory system was more advanced than that of reptiles. The finding supports the hypothesis that dinosaurs were warm-blooded and could have had metabolic rates higher than typical reptiles.