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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

Estrogen promotes gender differences in brain's response to stress

Research suggests that high levels of estrogen can enhance the stress response, leading to greater stress-related cognitive impairments in females. This disparity is consistent with reports of higher prevalence of stress-related disorders in women, particularly during child-bearing years.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Study finds new mothers are resistant to stress

A study by Rutgers University researchers found that female rats during the postpartum period are less anxious and more resistant to stress than females without offspring. This unique response may be linked to the high incidence of mental illness in new mothers, including depression and anxiety.

Depression, trauma stress linked to physical complaints

A study of 73 patients with traumatic injuries found that those with depression and PTSD reported higher levels of physical distress. Women were more likely than men to experience such symptoms, highlighting the importance of early mental health screening and intervention.

Supported housing for the homeless is more efffective, but also more costly

A Yale University study found that supported housing programs for homeless veterans were more effective than standard care in reducing homelessness. The study showed a 25% increase in nights housed and larger social support networks among participants receiving combined housing vouchers and intensive case management.

Apple iPhone 17 Pro

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

Mental disorders in postconflict communities

Postconflict psychiatric research reveals high prevalence of common mental disorders, particularly post-traumatic stress disorder and anxiety disorder. Exposure to violence is a potent risk factor for various disorders, with comorbidity analyses showing complex relationships between disorders.

People with major depression may have higher suicide risk -- study

A study by Maria A. Oquendo and colleagues found that people with comorbid posttraumatic stress disorder (PTSD) and major depression have a higher risk of suicidal behavior. The research highlights the importance of assessing depressed patients for PTSD to determine accurate risk for suicide.

North to discuss psychiatric effects of terrorism at AAAS

Researcher North studies survivors of disasters, including plane crashes and mass shootings, finding most people are resilient but vulnerable to PTSD. People with a history of psychiatric illness are at high risk for developing PTSD, especially those experiencing avoidance and numbing symptoms after disasters.

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.

Repressing anxiety may protect against stress disorders

A study of over 100 patients hospitalized for a heart attack found that repressive coping style can promote adjustment to traumatic stress in the short and long term. The repressive participants had lower rates of acute stress disorder and post-traumatic stress disorder compared to highly anxious participants.

Identification of the first gene in posttraumatic stress disorder

Researchers found a common mutation in the DAT gene to be associated with trauma survivors who developed chronic PTSD, suggesting a genetic contribution to the disorder's development. The study implies that genetically determined variation in dopaminergic neurotransmission may play a role in shaping the pathological response to trauma.

People who 'gave up' after 9-11 more likely to remain distressed

A nationwide study led by Roxane Cohen Silver found that individuals who disengaged from coping efforts after the 9-11 attacks were more likely to experience poor psychological outcomes. The study revealed that even those not directly affected by the attacks continued to experience anxiety about future terrorist attacks.

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.

People who 'gave up' after 9/11 more likely to remain distressed

A nationwide longitudinal study of psychological responses to September 11 found that six months after the attacks, effects continued throughout the country among individuals not directly affected. Those with preexisting mental or physical health difficulties and greater exposure to the attacks showed continued stress symptoms over time.

9/11 one year on: Bridging the world’s divisions

A study published in The Lancet found that single-session psychological debriefing after traumatic events is ineffective and may even do more harm than good. The research suggests that formal therapy like critical incident stress debriefing can prevent people from seeking natural family or social support systems.

SAMSUNG T9 Portable SSD 2TB

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

Emotional problems of children living in war zones not recognised

A study found that children exposed to home bombardment and demolition reported higher rates of post-traumatic stress disorder compared to those not directly exposed. The research highlights the need for early detection and training of healthcare professionals to address child mental health problems in war zones.

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.

Post-traumatic stress related to medical problems

A new study finds that veterans with post-traumatic stress disorder have more medical problems and make at least 30% more health visits than those without PTSD. The researchers suggest that PTSD is a risk factor for physical disorders, affecting overall physical health and susceptibility to disease.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Psychological trauma of heart attack may undermine treatment

A study of 102 heart attack patients reveals that 40% experienced PTSD symptoms, with those having significant symptoms showing stronger association with nonadherence and more serious adverse events. This association was not explained by other psychiatric disorders.

Young adult cancer survivors exhibit posttraumatic stress disorder

A new study reveals that one-fifth of young adult cancer survivors exhibit symptoms of posttraumatic stress disorder, a condition characterized by overwhelming anxiety and fear. The study found a four-fold increase in PTSD diagnosis among young adults compared to those aged 9-17.

Refugee health compromised by stress

A recent study highlights the significant impact of stress on refugee health, revealing that psychological factors such as anxiety, depression, and financial worries contribute to physical illness and mental health issues. The study found that only 6% of refugees suffered from PTSD, suggesting that a medical diagnosis may not fully cap...

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Stepwise PTSD treatment helps traumatized police officers

A step-by-step treatment approach called brief eclectic psychotherapy (BEP) significantly reduced PTSD symptoms in Dutch police officers. BEP incorporated various techniques, including imaginary reliving and farewell rituals, which helped officers regain control of their lives.

Co-existing illnesses, high cholesterol add to suicide risk

Studies found that individuals with major depressive episodes and borderline personality disorder are at greater risk of suicide, while those with high serum cholesterol experience a doubled risk of violent suicide. Comprehensive mental health care is essential to address these co-existing illnesses.

Traumatic stress disorder, dementia linked in WWII vets

A new study links traumatic stress disorder and dementia in WWII veterans, suggesting that painful war memories may trigger violent episodes. Researchers found that veterans who developed dementia showed no signs of PTSD until then, highlighting the need for further research into this phenomenon.

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.

Traumatic events have long-term impact on children

A recent study found that nearly all children who experienced a traumatic event exhibited acute stress symptoms, with roughly half continuing to experience post-traumatic stress symptoms after 18 months. The researchers also discovered that indirectly-exposed children were at risk of developing full-blown post-traumatic stress disorder.

Post-traumatic stress disorder may result in heart disease

A recent study of 4,462 male U.S. Army veterans with post-traumatic stress disorder (PTSD) found a higher rate of heart disorders, including past heart attacks, compared to other veteran subjects. The study's results suggest that long-term severe psychological distress may cause coronary heart disease.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

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

Bosnian Refugees' PTSD Rates 25 Times Higher Than Swedes'

A 1993 study found that 18-33% of Bosnian refugees screened for PTSD experienced symptoms, significantly higher than 0.3-1.3% in Swedish controls. The trauma reported by refugees included combat experience, family separation, and sexual abuse.

Serious Crime Victims Risk PTSD, Multiple Disorders

A recent study of nearly 400 South Carolina women reveals that serious crime victims are at a high risk of developing post-traumatic stress disorder (PTSD) and other emotional disorders. The effects were strongest for rape and life-threatening crimes, with robbery and burglary not linked to an increased risk.

Psychotherapy Helps Post-Traumatic Stress Victims

A researcher found that cognitive behavioral psychotherapies effectively treat various traumatic events, reducing intrusive thoughts, avoidance behaviors, and symptoms of anxiety and depression. Long-lasting benefits were also observed in studies following participants after treatment.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Vietnam Combat Linked To Many Diseases 20 Years Later

A study of 1,399 Vietnam veterans found that those with post-traumatic stress disorder (PTSD) were 50-150% more likely to develop serious diseases. Veterans with PTSD who saw heavy combat were particularly at risk for circulatory and respiratory problems.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

New Studies Of Human Brains Show Stress May Shrink Neurons

Studies using high-resolution MRI scans show that long-term stress can cause a crucial part of the human brain to shrink. Research has found links between stress hormones and atrophy in regions responsible for memory and learning, such as the hippocampus.