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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.

Study offers hope, sheds light on how vets respond to trauma

A new study found that military veterans with related post-traumatic stress disorder (PTSD) are more likely to experience post-traumatic growth, including increased appreciation of life and enhanced inner strength. Researchers discovered four groups with varying levels of post-traumatic growth, which shared common characteristics.

Predicting -- and preventing -- psychiatric morbidity after ARDS

A new study by Michigan Medicine researchers identified that younger age, female gender, higher severity of illness, fewer days of corticosteroid treatments, and treatment with GM-CSF were associated with more severe psychiatric symptoms. The study found that more days of corticosteroid treatments seemed to be protective from anxiety, ...

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.

Vanderbilt study finds natural chemical helps brain adapt to stress

A Vanderbilt study found that increasing the supply of a natural chemical called 2-arachidonoylglycerol (2-AG) in the brain promotes resilience to acute stress exposure. The study suggests that boosting this signaling system could represent a new treatment approach for mood and anxiety disorders, including PTSD.

Cortisol excess hits natural DNA process and mental health hard

A study on patients with Cushing's Syndrome found that cortisol excess was associated with reduced DNA methylation, leading to persistent psychiatric problems. The researchers hope that targeting DNA methylation may lead to new treatment possibilities for stress-related conditions.

Refugees with PTSD regulate stress differently

A new Michigan State University study found that refugees diagnosed with post-traumatic stress disorder (PTSD) have an overactive gene associated with mental health that disrupts their stress defense system. This causes the body to overreact to stress, leading to increased symptoms of PTSD.

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.

Psychiatric illness may increase stroke risk

Research found that patients with depression, anxiety, PTSD, or other psychiatric disorders have an increased risk of stroke, especially in the immediate post-diagnosis period. The study's lead researcher suggests that psychological distress may contribute to increased blood pressure and inflammation, leading to a higher stroke risk.

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

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.

Witnessing fear in others can physically change brain, scientists say

Researchers found that observing trauma can change brain information flow, making individuals more vulnerable to mental disorders like PTSD. The study suggests witnessing fear can physically redistribute brain signals, potentially enabling new communications and shedding light on the disorder's causes.

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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.

Sleep helps process traumatic experiences

A study by the University of Zurich found that sleep after a traumatic event can significantly reduce recurring emotional memories and distress. This non-invasive approach may provide an important early prevention strategy for posttraumatic stress disorder (PTSD).

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Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Tai Chi proves feasible and beneficial for vets with PTSD

A study published in BMJ Open found that Tai Chi significantly improved the symptoms of posttraumatic stress disorder (PTSD) in veterans, including managing intrusive thoughts and physiological arousal. The program was well-received by participants, with nearly 94% reporting favorable impressions.

Study reveals role of spleen in prolonged anxiety after stress

Researchers at Ohio State University discovered that an abundance of white blood cells in the spleen can send messages to the brain leading to behavioral changes long after mice experience repeated stress. The study suggests that the immune system may represent a novel therapeutic target for treating mental health conditions.

Traumatic stress changes brains of boys, girls differently, Stanford study finds

A recent study found structural differences between the sexes in one part of the insula, a brain region involved in emotion processing. This difference may help explain why girls are more likely to develop PTSD than boys after experiencing trauma. The findings suggest sex-specific treatments for traumatic stress and emotion dysregulation.

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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.

Stressed-out rats consume more alcohol, revealing related brain chemistry

A study by University of Pennsylvania researchers found that stressed rats drink more alcohol due to altered dopamine signaling and changes in the brain's reward system. The team's findings have implications for understanding the root causes of post-traumatic stress disorder (PTSD) and developing new treatments.

Miscarriage and ectopic pregnancy may trigger post-traumatic stress disorder

A study published in BMJ Open suggests that women may be at risk of post-traumatic stress disorder (PTSD) after a miscarriage or ectopic pregnancy. The research found that nearly four in ten women experienced symptoms of PTSD, including re-experiencing feelings and intrusive thoughts, three months after their loss.

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

Brown researchers developing new interactive sleep app

Researchers at Brown University have developed a new interactive sleep app, SleepCoacher, that uses sleep analytics to provide personalized recommendations. The app guides users through self-experiments to find the most effective recommendations for improving their sleep.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Combat exposure may jeopardize the behavioral health of women in the military

A recent study found that combat exposure among Army enlisted women was associated with an increased likelihood of developing post-traumatic stress disorder (PTSD), depression, and at-risk drinking after deployment. Women with combat exposure were 20 times more likely to screen positive for PTSD compared to those with no exposure.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

What the New York Times gets wrong about PTSD

Drexel researchers found the New York Times' coverage of PTSD from 1980 to 2015 neglected civilian and non-military cases, negatively framing the disorder. This narrow focus can inhibit awareness about PTSD resilience and recovery, and constrain discourse on social determinants of traumatic stress.

Rigol DP832 Triple-Output Bench Power Supply

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

Size of brain region is associated with response to PTSD treatment

A study found that patients with a larger hippocampus are more likely to respond to exposure-based therapy for posttraumatic stress disorder (PTSD). The researchers examined the relationship between hippocampus volume and response to treatment in 50 participants with PTSD.

PTSD linked to low levels of fat hormone

Researchers found that mice with lower adiponectin levels cannot overcome fear after a scary stimulus. Increasing adiponectin levels or activating its receptors might facilitate extinction-based exposure treatments for PTSD and other trauma-related disorders.

Gut feeling: ONR research examines link between stomach bacteria, PTSD

Researchers studying intestinal bacteria and their effect on the human brain and mood found that an imbalance in gut microbiota can lead to heightened anxiety and stress. Feeding stressed mice probiotics improved behavior and reduced stress biomarkers, suggesting a potential treatment for PTSD.

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.

Bromances may be good for men's health

Researchers at the University of California - Berkeley found that moderate stress can make male rats more social and cooperative, leading to increased oxytocin levels. This effect is comparable to the benefits seen in romantic relationships, suggesting that bromances may have healthful effects similar to those seen in human friendships.

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.

Breast cancer: The mental trauma of severe disease

A study of 166 breast cancer patients found that 82.5% exhibited symptoms of PTSD following diagnosis, with more than half continuing to display symptoms one year later. The severity of psychological impact was underscored by the fact that some patients rated having breast cancer as their most severe traumatic event.

Moments of acute stress can cause molecular alterations in immune response

A study involving skydiving participants found that acute stress can cause molecular alterations in the immune response, leading to increased risk of stress-related conditions. The researchers identified specific genes and pathways involved in both innate and adaptive immune responses that were dysregulated after the jump.

Long-term stress erodes memory

Researchers at Ohio State University found that sustained stress impairs memory and cognitive function in mice, with inflammation caused by the immune system being a key factor. The study suggests potential targets for pharmacological or behavioral treatment to interrupt inflammation and improve memory.

Imaging shows impact of PTSD in earthquake survivors

A new study using MRI found that adult earthquake survivors with post-traumatic stress disorder (PTSD) had greater cortical thickness in certain brain regions and reduced volume in others compared to healthy survivors. Cortical thickness was positively correlated with PTSD severity, particularly in the left precuneus region.

Does sexual aggression alter the female brain?

A Rutgers study found that prepubescent female rodents paired with sexually experienced males exhibited elevated stress hormones, reduced learning capabilities, and decreased maternal behaviors. This research sheds light on the consequences of sexual aggression in females, which is crucial for understanding its impact on women's mental...

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Targeting the mind/body connection in stress

Researchers at Tel Aviv University have developed a new blood test that can determine an individual's vulnerability to stress and PTSD. The test combines genetic testing with brain imaging to identify a specific alteration in the expression of microRNA miR-29c, which is linked to slow recovery from stress.