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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

With age comes a sense of peace and calm

The study found that aging is associated with more positive than negative emotions, and more passive than active emotions. Women had more negative than positive emotions, and participants with higher income and education levels had significantly more positive emotions.

JAMA publication features study on depression and head and neck cancer

A University of Nebraska Medical Center-led pilot study found that antidepressants significantly reduced the risk of depression in head and neck cancer patients. The study, led by Drs. William Lydiatt and Bill Burke, showed that only 15% of patients who took antidepressants experienced depression, compared to 50% of those who did not.

CalDigit TS4 Thunderbolt 4 Dock

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

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.

Apple iPhone 17 Pro

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

Would tricyclic antidepressants help those with inflammatory bowel disease?

Research suggests tricyclic antidepressant desmethylimipramine can restore vagal function and reduce intestinal inflammation in individuals with inflammatory bowel disease and depression. Decreased vagal signaling and increased macrophage presence in the intestine are key factors in increasing susceptibility to intestinal inflammation.

Laser dissection of depression

Researchers used laser micro-dissection to study gene expression in the human hypothalamus, a region crucial for stress response and depression development. The study found significant changes in five genes involved in corticotrophin-releasing factor activation, which may lead to new therapeutic strategies.

Social form of bullying linked to depression, anxiety in adults

A new University of Florida study reveals a link between relational victimization in adolescence and depression and anxiety in early adulthood. The study found that having friends or positive social relationships did not lessen rates of depression and anxiety, suggesting that this type of bullying can have long-lasting consequences.

Celestron NexStar 8SE Computerized Telescope

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

Down in the dumps: Less-educated men more prone to stigma

Research highlights importance of targeting stigma associated with depression, particularly among less-educated men and those born overseas. Personal stigma is lower among those with depression, while higher education levels and depression knowledge reduce stigmatizing attitudes.

Personality study shows risk of first depression episode late in life

A unique study found that people with anxious personality traits face a higher risk of first-time clinically significant depression after age 70. Long-standing personality traits can predict onset of depression into older adulthood, especially among women and those from working-class backgrounds.

Tackling depression in cancer patients can extend life

A recent study suggests that depression care management can improve survival rates in older cancer patients. The research found that comorbid depression shortens survival time with cancer, but intervention with medication and psychotherapy can extend life among cancer patients.

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.

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.

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.

The conflict of reward in depression

A new study using fMRI found that people with depression show increased activation in the anterior cingulate region when anticipating reward, indicating a conflict between processing rewards and punishments. This finding suggests that depression may not be solely the absence of pleasure, but rather an experience of emotional pain or fr...

A link between antidepressants and type 2 diabetes

A study published in Diabetes Research & Clinical Practice found that people with depression taking antidepressants have a 30% increased risk of developing type 2 diabetes. The risk was highest for those using two types of therapies simultaneously, such as tricyclic antidepressants and selective serotonin reuptake inhibitors.

The yin and yang of genes for mood disorders

Researchers investigated how inheriting different combinations of gene variants impact depression risk in normal subjects. They found that the SLC6A4 serotonin transporter gene interacts with the BDNF gene to regulate emotion regulation system development, revealing individual genes are not isolated risks.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

UIC researchers may have found test for depression

Researchers at University of Illinois Chicago discovered a new biomarker for depression by analyzing the location of a protein in the brain. The study found that depressed individuals have a greater proportion of Gs alpha protein confined to lipid rafts, which can be used to predict the efficacy of antidepressant therapy.

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.

Low testosterone levels associated with depression in older men

A study of 3,987 older men found that those with low free testosterone levels had a higher prevalence of depression, with men in the lowest quintile having three times the odds of depression compared to those in the highest quintile. Researchers suggest that hormone imbalances may contribute to this link.

Brain activity linked to the parental instinct

Research published in PLOS ONE found that the medial orbitofrontal cortex is highly specifically active within a seventh of a second in response to infant faces but not to adult faces. This finding has potentially important clinical application in relation to postnatal depression.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Doctors should watch for depression in arthritis patients

Patients with rheumatoid arthritis are at a higher risk of developing depression due to chronic pain and functional disability. Only one in five RA patients discuss their symptoms with their rheumatologists, highlighting the need for improved communication about mental health.

Study: low-income women more likely to suffer from postpartum depression

A University of Iowa study shows that poor women in Iowa are more likely to experience clinically significant postpartum depression than their wealthier counterparts. 40% of Iowa mothers with a household income less than $20,000 suffered from depression, compared to 13% of those with higher incomes.

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.

Dangerous duo: Hostility plus depression elevates risk for heart disease

Researchers found that hostility and depression together elevate inflammatory proteins in the human body, increasing the risk for heart disease. The study examined associations with blood levels of two inflammatory proteins and found a stronger relationship between these negative emotions when considered simultaneously.

Team treatment for depression cuts medical costs

A team approach to treating depression in older adults reduces total healthcare costs, with patients receiving IMPACT care having lower average costs over a four-year period. The cost-effectiveness of the IMPACT model makes it an attractive option for health organizations, which have already implemented it to improve patient outcomes.

Older women more susceptible to depression than older men

A new study by Yale School of Medicine researchers found that older women are more prone to depression and less likely to die from it compared to older men. The study, which evaluated 754 individuals aged 70+, found that women were more likely to experience symptoms of depression and remain depressed over time.

Gene protects adults abused as children from depression

A recent study found that adults who were abused in childhood and carried a specific gene variant showed lower measures of depression. The gene variant, corticotropin-releasing hormone receptor one (CRHR1), appears to protect against depression in adults who experienced moderate to severe child abuse.

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.

Why serotonin can cause depression and anxiety

A study published in PLoS Computational Biology suggests that serotonin may contribute to depression and anxiety by disrupting reflexive avoidance behaviors. When serotonin levels drop, individuals lose their instinctual ability to avoid aversive events, leading to increased exploration of potentially harmful states.

Researchers find that middle-aged misery spans the globe

Researchers found a consistent international pattern of depression and happiness levels, with middle age being the most miserable period, affecting both men and women across 80 nations. The U-shape in happiness levels and life satisfaction was observed in all countries studied.

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.

Depression and anxiety can double chances of heart ailments

Researchers at McGill University and Université de Montréal found that depression and anxiety can double a patient's chances of repeated heart ailments. Patients with coronary artery disease who had major depression or anxiety were more likely to experience cardiac events over two years.

MNI researchers locate neurological basis of depression following sports concussion

Researchers at the Montreal Neurological Institute found that concussed athletes with depression showed reduced brain activity in regions known to be implicated in depression. The study provides important clinical implications for treating individuals who have suffered a cerebral concussion and highlights the importance of early interv...

Nature and nurture are both to blame for depression, study says

A recent study by Gerald Haeffel and colleagues found that genetic and environmental factors interact to increase the risk of depression in adolescents. The researchers discovered that boys with rejecting mothers and a specific form of the dopamine transporter gene were at higher risk for major depression and suicidal ideation.

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.

Bright light therapy eases bipolar depression for some

A study found that bright light therapy can ease symptoms of bipolar depression in some patients, with optimal response observed at midday. Six out of nine women treated achieved full recovery from depressive symptoms, highlighting the potential of light therapy as an augmentation strategy for improving treatment response.

Cedars-Sinai studying whether omega-3 fatty acids can help depression

Researchers at Cedars-Sinai Medical Center are conducting a five-year study to test the safety and effectiveness of docosahexanoic acid (DHA) and eicosapentanoic acid (EPA) as treatments for major depressive disorder. The study aims to determine whether these two omega-3 fatty acids can help alleviate symptoms of depression in adults.

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.

Predicting post-traumatic stress disorders in deployed veterans

A Canadian study found that one-third of veterans who were deployed more than once experienced probable clinical depression, while 30% of those deployed only once were affected. The research also revealed that younger, single soldiers and those with multiple deployments were more likely to have PTSD and severe symptoms.

Venlafaxine extended-release effective for patients with major depression

The PREVENT study found that nearly 80% of patients with recurrent major depressive disorder achieved an adequate therapeutic response to venlafaxine extended-release or fluoxetine, with almost none relapsing after 6 months. The results suggest a subgroup of depressed patients may benefit from early and sustained treatment.

Natural human hormone as the next antidepressant?

A new study published in Biological Psychiatry suggests that erythropoietin, a natural human hormone, may have antidepressant properties. The study found that erythropoietin regulated emotional responses and had neuroprotective effects on neural function, supporting its potential as a treatment strategy for depression.