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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

ACP-ASIM Panel: Treat depression in the dying

The ACP-ASIM End-of-Life Care Consensus Panel provides guidance on identifying and managing depression in dying patients, which can improve their quality of life. The panel's recommendations are based on state-of-the-art psychosocial interventions and/or drug treatments.

Vagus Nerve Stimulator successful for depression

A nationwide clinical trial showed that Vagus Nerve Stimulation (VNS) improved the condition of 40% of patients with severe treatment-resistant depression, enabling them to return to work and normal activities. The treatment has been compared to electroconvulsive therapy and may have potential as an alternative for some patients.

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.

Communication key to diagnosing depression

A new study finds that communication skills training can help doctors recognize patients with depression, a condition often missed at the primary care level. The training involves asking about psychosocial issues, using open-ended questions, and allowing more time for patients to talk.

Depression may be one of the first signs of Alzheimer's disease

A study found that people with Alzheimer's disease were 50% more likely to have depression symptoms than those without the disease. Depression symptoms such as lack of interest and loss of energy were three times more common in those who later developed Alzheimer's.

Anxiety and depression linked to chest pain in young adults

A study of over 5,000 individuals found that anxiety and depression may cause up to one-quarter of all chest pain cases in young adults. The research suggests that individuals with psychiatric disorders or significant symptoms are more likely to experience chest pain.

Meta Quest 3 512GB

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

A key to depression

Scientists discovered that Prozac increases new neurons in rats' brains by 69% compared to controls. This finding may explain why people recover from depression with SSRIs. The study also suggests serotonin's role in treating other neurological diseases like Alzheimer's.

Disabled by depression - study analyzes costs, causes

A recent study by Reg A. Williams highlights the significant economic impact of depression in the workplace, citing an estimated total cost of up to $44 billion. The study also identifies key risk factors for depression, including stress, negative changes in personal life, and difficulties in interpersonal relationships.

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.

Recent research suggests new strategy for treating depression

Recent studies have found that high cortisol levels might be a cause of depression, potentially leading to new antidepressant drug strategies. Cortisol-lowering drugs have shown promise in reducing depressive symptoms, especially in patients with high cortisol levels.

Understanding serotonin receptors can speed treatment for depression

Researchers at Harborview Medical Center are exploring a new approach to treat depression by introducing extra copies of the gene for 5-HT1b receptors into serotonin neurons. Preliminary results suggest that this technique may allow for faster and more effective treatment of depression.

The effects of St. John's Wort (Hypericum perforatum)

Research published in Molecular Psychiatry found St. John's Wort to have a better antidepressant effect than placebo and comparable effects to standard antidepressants. The herb's favorable side effect profile may contribute to its advantages over other medications.

Recipe for happy retired husbands: work

A new study by Cornell University found that retired men who continue to work experience higher morale and lower levels of depression compared to those who remain permanently retired. In contrast, women's well-being is linked more strongly to the quality of their marriages, regardless of whether they are working or retired.

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.

Low sense of belonging is a predictor of depression

A University of Michigan study found that a low sense of belonging is a stronger predictor of major depression than other factors. The research analyzed data from 31 clients with depression and 379 community college students, concluding that feeling connected to others is crucial in overcoming depression.

Back pain and its benefits

A study found that patients with chronic nonmalignant back pain who received higher levels of economic and social rewards experienced increased disability, depression, and anxiety. Those with fewer rewards reported lower levels of these conditions.

Apple iPhone 17 Pro

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

More than half of homeless children have symptoms of depression

A study by Ohio State University found that 57% of homeless children aged 8-12 experience symptoms of depression, with boys being particularly at risk. The researchers also found that these children face extreme poverty, which can have detrimental effects on their cognitive and emotional health.

Breast cancer patients face increased depression

A study found that breast cancer patients experiencing estrogen deficiency during treatment are at a higher risk of developing depression. Eight women (38 percent) developed major depression, most in the first six months of treatment.

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.

For heart disease patients, depression takes heavy toll

A new study by researchers from the University of Washington reveals that depression significantly impairs heart disease patients' ability to work and perform daily activities. Patients with both major and minor depression were found to function less well than nondepressed patients, reporting more heart disease symptoms.

Depression may shrink key brain structure

Researchers found that women with a history of depression had smaller hippocampal volumes than those who never had been depressed. This is significant because the hippocampus plays a crucial role in learning and memory. Treatment not only prevents suffering but may also limit long-term damage to the brain.

Depression May Lower Your Sex Hormones

A study by Dr. Ulrich Schweiger and colleagues found that severely depressed men have lower testosterone concentrations during the day and night, as well as higher cortisol levels. This disturbance of gonadal function may impair sexual function and increase the risk of heart disease and osteoporosis.

Fluke 87V Industrial Digital Multimeter

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

Treating Depression Makes A Healthier Heart

A study found that patients taking selective serotonin reuptake inhibitors (SSRIs) had a reduction in sticky platelets, which can contribute to heart problems. The researchers suggest that improved mood is the key factor behind this effect.

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.

Newest Depression Medications Widely Prescribed For Children

A University of North Carolina at Chapel Hill study found that over 500,000 children are prescribed antidepressants each year, despite a lack of research supporting their use in youngsters. The survey also revealed that 72% of physicians have prescribed SSRIs for patients under 18, but only 8% reported adequate training.

Boys Overestimate Their School Skills, Girls Underestimate Theirs

Research shows that boys tend to overestimate their school performance, but girls often underestimate it, with girls' underestimation linked to depression and anxiety. The study found a strong correlation between children's self-estimations and emotional problems, emphasizing the importance of addressing these issues.

Depression After Heart Attack Raises Risk For Both Women, Men

Research finds depression after a heart attack is a key risk factor for cardiac causes in both women and men, with similar impact on survival. Despite the higher prevalence of depression among women, they did not die at significantly higher rates than depressed men.

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.

Depression Kills In More Ways Than Suicide

A review of 57 studies found depression to be linked to increased risk of death from heart disease and other factors, with suicide accounting for less than 1% of deaths among depressed patients

More Primary Care Physicians Now Treating Depression

A national survey of family physicians, general internists, and obstetrician-gynecologists found that more than 90% are confident in diagnosing depression. Despite improvements, there is still room for growth in treating depression with high-quality care.

Mononucleosis-Depression Link Disproved

Researchers followed 144 HMO patients with mononucleosis for six months, finding transient psychological distress common but few met psychiatric criteria. The study suggests postviral depression is rare, often caused by new stressful life events rather than viral effects.

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.

5 Top ‘Warning Signals’ Of Depression Identified

Researchers identified five common 'warning signals' of depression: less enjoyment from activities, self-disappointment, hopelessness, irritability, and difficulty sleeping. These symptoms were reported by at least 90% of the sample, and women reported self-disappointment with the greatest frequency.

Friends, Family Can Help Heart Patients Avoid Depression

Researchers found that heart patients with high levels of social support show fewer symptoms of depression, while those with low social support tend to have higher levels of depression. Interventions that decrease hostility and increase social support may also benefit heart disease 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.

Severe PMS Linked With Physical, Sexual Abuse In Childhood

Researchers at UNC Chapel Hill link severe premenstrual syndrome to childhood trauma, finding 50-60% of women with PMDD have histories of abuse. The study also reveals physiological abnormalities in the stress response system of women with PMDD.

Diagnosing Depression In Primary Care

A new study suggests that depression is a fluid disease requiring tracking over time for accurate diagnosis and treatment. Researchers found that physicians more frequently detected depression when they knew their patients well, but struggled to distinguish it from minimal impairment.

Depressed Hospital Patients Twice As Likely To Die Soon

Researchers found that hospitalized patients with depression are 1.9 times more likely to die than those without depression, with cardiovascular disease being the strongest predictor. The study highlights the importance of screening for depression in medical inpatients and improving their care to mitigate mortality risks.

Depression A Risk Factor For Coronary Artery Disease In Men

A Johns Hopkins study has found that depression is an independent risk factor for coronary artery disease in men, with those experiencing clinical depression twice as likely to develop the condition. Symptoms of CAD appeared on average 15 years after the first episode of depression.

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.

Having Religious Faith Can Speed Recovery From Depression In Older Patients

A study published in the American Journal of Psychiatry found that older patients with high levels of intrinsic religiosity recovered faster from depression than those with low levels. The study, led by Dr. Harold Koenig, discovered a significant correlation between higher religiosity and faster recovery times.

Undetected Depression Leads To Dire Consequences

A third of patients with major depression remain undetected by primary care physicians for up to a year, leading to grave consequences. Patients who went undiagnosed reported nine times more role limitation from emotional problems than community residents without depression.

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.

Depressed Americans Get Half The Care Canadians Do

A study of 574 Americans and 250 Canadians found that only a small fraction received appropriate depression treatment, with more Canadians receiving mental health services due to comprehensive national coverage. Patient attitudes, such as perception of need for help and fear of cost, also played a significant role in the disparity.

News Feature: Elderly Depression Often Has Unique Origin

Researchers found a unique link between brain lesions, depression, and heart disease in elderly patients. Vascular depression, caused by narrowing of small blood vessels, is responsible for 30-40% of all depression in people over 65.

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.

Natural Killer Cells Need A Good Night's Sleep

Researchers found that patients with bereavement-related depression had decreased natural killer cell counts after disrupted sleep. The study provides direct evidence of the stress-immune relationship and highlights the importance of good sleep for maintaining health in the elderly.

New Gene For Mental Illness

Researchers have confirmed a link between a specific gene mutation and increased risk of depression, hospitalization, and suicidal attempts. The discovery aims to improve psychiatric diagnoses and treatments by enabling more precise identification of genetic predispositions.

St. John's Wort Study Launched

The NIH study aims to determine if St. John's Wort is effective in treating moderate depression, a condition affecting over 17 million Americans annually. The three-year trial will enroll 336 patients and compare the herb's efficacy with an SSRI antidepressant.

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.

Treating Depression In Diabetics Helps Control Blood Sugar

A recent study found that treating depression in diabetic patients can lead to improved blood glucose control. Researchers discovered that as depression improved, glucose levels also decreased. The study showed that nearly 60% of depressed patients experienced significant improvement after treatment.

Early Warning Signs Of Depression

Patients with a history of depression often deny or attribute early warning signs, such as fatigue and stress, to external factors. Early intervention is crucial to prevent or minimize relapse, and recognizing these signs can provide control over emerging depressions.