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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

Treating cluster headaches with high-flow oxygen appears effective

A randomized controlled trial found that high-flow oxygen was more effective in treating cluster headache pain than a placebo, with 78% of patients reporting pain-free relief within 15 minutes. The treatment was also superior for other outcomes up to 60 minutes, with no serious adverse events reported.

A thermometer for the Earth

The Optical Soil Dipstick (OSD) measures soil health through a small hole in the surface of the earth, providing information on pollution, water needs and crop condition. The device could help solve the mystery of global warming's effects on farming and water resources.

Apple iPhone 17 Pro

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

Your brain on -- and off -- caffeine

Researchers studied brain electrical activity and blood flow during caffeine withdrawal, finding increased brain blood flow and changes in EEG that relate to common withdrawal symptoms. The study also showed no net beneficial effects of chronic caffeine administration.

For Iraq veterans, headaches continue after traumatic brain injury

A recent study published by the American Academy of Neurology found that nearly 98% of soldiers who experienced a concussion or head injury while deployed in Iraq had headaches during their last deployment. The headaches often started within one week of the traumatic brain injury, with 60% experiencing migraine-like headaches.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Do you know you're having a stroke?

A Mayo Clinic study found that most stroke patients do not identify their symptoms correctly, leading to delayed medical attention. The delay can result in further damage and reduced recovery outcomes.

New treatment effective for most severe kind of headache

A new nasal spray treatment has been shown to be safe and effective in rapidly treating cluster headaches, considered the most painful type of headache. The study involved 52 people with cluster headaches who used zolmitriptan nasal spray or placebo to treat 151 separate attacks.

Drug for cluster headaches may cause heart problems

A study found that 21% of patients taking verapamil for cluster headaches experienced irregular heartbeats, while 37% had slower than normal heart rates. Close monitoring with electrocardiograms is recommended to mitigate potential heart problems.

Aggressive treatment for whiplash does not promote faster recovery

A new study examines patterns of care for whiplash patients and finds that increasing the intensity of care is associated with slower recovery. The researchers suggest that early aggressive treatment may delay recovery by encouraging passive coping strategies, rather than improving outcomes.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

UCLA study shows Tai Chi may help alleviate tension headaches

Researchers found that a 15-week Tai Chi program significantly improved headache pain and overall quality of life for adults suffering from tension headaches. The exercise's emphasis on relaxation and breathing may address the underlying cause of tension headaches.

How does aspirin crystallize?

Researchers have discovered that aspirin forms crystals containing both long-known and predicted structures, upending fundamental principles. The two 'polymorphic' forms exist in one single crystal, raising questions about the definition of polymorphism and its implications for patent law.

The pain from fibromyalgia is real, researchers say

Researchers at University of Michigan confirm fibromyalgia as a real condition characterized by lower pain threshold and associated with genetic factors. Studies using neuroimaging techniques reveal abnormalities in central brain structures and increased neural activity in patients.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Obesity linked to risk of severe headaches

Chronic daily headaches are more prevalent in obese and morbidly obese people than those with normal body weight, the study found. Obese individuals reported severe pain and missed more work days due to headaches.

Study helps define headaches of whiplash

A study by Dr. Shrawan Kumar helps clarify the definition of whiplash by measuring neck muscle responses to low-velocity impacts. Turning the head reduces the risk of soft tissue injury, according to the research.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Tip sheet for the December 23, 2003 Neurology journal

Recent studies demonstrate the accuracy of epilepsy diagnosis by doctors (96%), shedding light on dementia risk factors among adults with Down syndrome. Additionally, gabapentin shows significant effectiveness in treating chronic daily headaches, according to a study by The Australian Gabapentin Chronic Daily Headache Group.

The mouth linked to bed-wetting, ear infections and tension headaches

Research confirms a direct link between small jaws, breathing difficulties, and increased risk of bed-wetting and ear infections in children. Orthodontic treatment has been shown to be effective in reducing or eliminating these issues, offering an alternative to traditional medication or ear tubes.

Creality K1 Max 3D Printer

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

Not a brain tumor: serious headaches explained

Researchers identified enlarged pituitary glands in patients with intracranial hypotension syndrome, a condition characterized by headaches that worsen when sitting up. The condition can be diagnosed through low spinal cord fluid pressure readings and treated with conventional therapies such as bed rest, hydration, and corticosteroids.

Can you have headaches without pain?

Researchers report a case where cluster headache symptoms appeared without head pain, suggesting primary symptoms. The study follows a 22-year-old man who experienced nasal stuffiness and pupil contraction in his left eye daily for weeks, without pain.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

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.

New Study: Chronic Tension Headache Pain Disrupts Patients' Lives

A new study found that nearly half of chronic tension headache sufferers also meet criteria for a mood or anxiety disorder. These disorders often go overlooked in treatment, and patients may not openly discuss them due to stigma. The study highlights the importance of considering mental health when prescribing treatment for chronic pain.

More Education, More Headaches

A recent study found that people with advanced degrees are more likely to experience tension headaches, particularly women with graduate school educations. The study surveyed over 13,000 people in Baltimore County, Md., and found that 38.3% met criteria for episodic tension-type headaches (ETTH) in the last year, with rates declining a...

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Water-Based Pillow May Reduce Neck Pain

A water-based pillow significantly improved quality of sleep and modestly reduced morning pain intensity compared to standard and roll pillows. The pillow contained a pouch of water, adjustable for firmness, and supported neck muscles and structures damaged by injury or disease.