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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

One third of epilepsy patients found to have sleep apnea

A new study by the University of Michigan found that a significant proportion of people with epilepsy may also have undiagnosed sleep apnea, which can disrupt brain function and exacerbate symptoms. The study suggests that addressing sleep apnea through lifestyle and medical interventions may help improve seizure control and quality of...

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

You don't have to feel sleepy to have sleep apnea, U-M study finds

A University of Michigan study suggests that patients with undiagnosed sleep apnea may not always describe their symptoms as 'sleepy', but rather experience fatigue, tiredness, or lack of energy. Laboratory sleep tests revealed interrupted breathing patterns in 73% of the study's subjects.

Feeling sleepy? Let me look into your eyes

Scientists at the University of Illinois Chicago are exploring a novel approach to measuring sleepiness using pupil size, which could revolutionize the diagnosis of sleep disorders. The study aims to establish pupillometry as an objective measure of excessive daytime sleepiness and potentially improve treatment outcomes.

Sleep disorders may cause cluster headaches

A study by American Academy of Neurology found that 80% of people with cluster headaches also have signs of obstructive sleep apnea, a condition that can trigger the attacks. Treatment of sleep apnea may reduce or eliminate headaches and other related problems.

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Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Sleep apnea likely to lead to hypertension

Researchers found that even mild to moderate sleep apnea significantly increases the risk of hypertension, with graver levels associated with higher likelihood. The study used data from the Wisconsin Sleep Cohort Study and found a substantial risk of hypertension in those with mild to moderate sleep apnea.

Sleep apnea more common, severe in post-menopausal women

A study of 290 pre- and 400 post-menopausal women found that sleep apnea is more prevalent and severe in the older group. The researchers suggest that lower levels of estrogen and progesterone during menopause may contribute to this disparity.

New findings on aging and lung disease at American Thoracic Society Meeting

A study found that elderly COPD patients who use inhaled steroids can significantly reduce their rehospitalization and death risk. Additionally, postmenopausal women are more likely to develop sleep apnea and have a severe form of the condition. Meanwhile, researchers discovered age bias in lung cancer treatment, with older patients be...

NHLBI study shows relationship between sleep apnea and hypertension

A large-scale NHLBI study found a significant relationship between sleep apnea and hypertension, with middle-aged adults at highest risk. The study revealed that even moderate levels of sleep apnea can increase the risk of hypertension in all participants, regardless of age or weight.

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

Annals of Internal Medicine tip sheet - October 5, 1999

A new questionnaire effectively screens primary care patients for sleep apnea, identifying nearly half of high-risk patients. A man with severe adult-onset rheumatoid arthritis also experienced remission after a stem-cell transplant from his healthy twin, believed to be the first case of its kind.

Treatment Of Young With Sleep Apnea Needs To Be More Aggressive

Research found that young people under 45 with sleep apnea require aggressive treatment to reduce hypertension and cardiovascular issues. The study, published in the American Journal of Respiratory and Critical Care Medicine, included subjects aged 20-100 years old.

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

Sleep Apnea Is A Risk Factor For Hypertension

Researchers found a causal relationship between sleep-disordered breathing and hypertension in a substantial number of American adults. People with mild to moderate sleep apnea were 1.8 times more likely to have hypertension than those without, with the severity of apnea linked to increased blood pressure risk.

Doctors Failing To Recognize Sleep Apnea In Women

A study by UW Medical School reveals that women with sleep apnea exhibit similar symptoms as men, but are often misdiagnosed or overlooked. Health care providers may not be taking women seriously when they complain of daytime sleepiness and snoring.