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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

Drinking and drugging can be painful

A recent study found that individuals clinically identified as substance abusers have an elevated risk of injury. Alcohol-and-drug abusers had the highest risk of injury, followed by those who abused only one type of substance.

Safe diving poses no risk of brain injury

A study published in Neurology found that long-term scuba diving has no effect on brain function or structure. The researchers tested 24 professional divers and 24 non-divers and found no significant differences in cognitive function or brain imaging.

Bunk beds risky for children

A study of over 8,000 Scottish children found that under-6s are at high risk of injury from bunk bed falls. Most injuries were classified as significant and included fractures, head trauma, and lacerations.

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Serious head injuries linked to Alzheimer's disease

Researchers analyzed medical records of World War II veterans with head injuries and found a link between early adulthood trauma and later-life Alzheimer's disease. The more severe the injury, the greater the risk of developing AD, with those with severe injuries having a four-fold greater risk.

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

Cruel weapons

The Red Cross has identified new 'cruel weapons' such as sound beams, sticky foam, capture nets, and microwaves that can cause severe injuries. The organization's SIrUS Project aims to outlaw these weapons by defining superfluous injury and unnecessary suffering based on scientific data.

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Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Traumatic brain injury hastens onset of Alzheimer's disease

A recent Mayo Clinic study found that traumatic brain injuries increase the risk of Alzheimer's Disease, with a median observed time from injury to onset of 10 years. The study suggests that traumatic brain injury interacts with other factors to hasten the onset of Alzheimer's in susceptible individuals.

'Biochemical storm' following brain trauma, an important factor in treatment

Researchers have found that a biochemical storm triggered by traumatic brain injury can continue for at least a month, suggesting the need for extended treatment. This discovery challenges current thinking on treatment windows and highlights the importance of understanding the complex interactions between calpains and brain tissue damage.

Return to play not determined by the numbers

A Penn State neuropsychologist emphasizes the need for individualized assessment when determining an athlete's readiness to return to play after a concussion. Reliable Change scores can provide a general guideline, but their application is limited by factors such as practice effects and difficulty in determining significant differences.

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Head trauma damages DNA repair mechanism

Researchers found that head trauma impairs brain cells' ability to detect and repair DNA damage, leading to weeks of prolonged cell death. The study suggests that the body's surveillance system breaks down after an injury, making it difficult for cells to recover.

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Doctors Often Miss Abusive Head Injuries To Young Children, Study Says

A recent study published in the Journal of the American Medical Association found that doctors missed diagnosing abusive head trauma in young children up to 31.2% of the time. The study highlighted the importance of considering non-specific signs of abuse and performing mindful exams, particularly if a child's face is bruised.

Biochemical Markers Could Help Identify Battered Children

A team led by Patrick Kochanek has identified specific biochemical markers that may help detect child abuse. Preliminary evidence suggests that victims of abuse often have abnormal levels of quinolinic acid in their cerebrospinal fluid, which could reveal whether a parent is lying about the timing of an injury.

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Six Football Players Died In 1997 Season: New Study

A new University of North Carolina at Chapel Hill study found six young football players died in the 1997 season as a direct result of injuries suffered on the field. The study also revealed seven cases of permanent paralysis from neck injuries and permanently disabling head injuries.

National Office Of Drug Safety Is Needed, Experts Say In JAMA

Three experts recommend establishing a national office of drug safety to track and reduce prescription drug-related injuries, which could be the fourth-leading cause of death in the US. The proposed office should develop reliable estimates of deaths and serious injuries from prescription drugs.

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New Study: Athletes Should Wait At Least 3 Days After Head Injury

Researchers found that athletes' balance can recover enough from concussions and other head trauma in a minimum of three days, but healing continues for more than a week. The study provides an objective way for team physicians and athletic trainers to determine when athletes can safely return to competition.

Brain Cooling Proved Effective in Treatment Of Head Trauma

Moderate hypothermia therapy has been shown to improve patient outcomes for those suffering from severe traumatic brain injury. The study found that patients who received the treatment had better recovery rates and lower mortality rates compared to those treated conventionally.