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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

Stress levels linked to risk of liver disease death, study shows

A new study from the University of Edinburgh found that individuals with high psychological distress were more likely to die from liver disease. The research tracked over 165,000 participants for ten years and controlled for various factors such as alcohol consumption and socioeconomic status.

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.

Apple iPhone 17 Pro

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

Brain tumor patients should be screened for depression

A new study supports the screening and treatment of depression in brain tumor patients, who are at high risk of depressive symptoms that can impact care outcomes. The authors recommend using reliable screening tools and refer patients with positive results for detailed psychiatric assessment.

Major depression leaves a metabolic mark

Researchers discovered a metabolic signature associated with major depression, including changes in mitochondrial DNA and telomere length. The findings suggest that depression may be linked to the body's response to environmental stressors.

Significant increase in major depression reported during recent recession

The study found a significant increase in major depression among US adults during the Great Recession, with prevalence rising from 2.33% to 3.79%. Less severe depression also saw a decline in prevalence after 2009-2010. Vulnerable populations such as those living in poverty or with less than a high school education were most affected.

Celestron NexStar 8SE Computerized Telescope

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

Depression, diabetes associated with increased dementia risk

A study of over 2.4 million Danish citizens found that depression, type 2 diabetes, or both are associated with a higher risk of dementia. Individuals diagnosed with depression or type 2 diabetes alone have an increased risk, while those with both conditions experience the greatest increase in risk.

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.

Depressed? Apps lift mood with personalized therapy

A new suite of interactive mini-apps called Intellicare provides personalized therapy for depression and anxiety. The app uses a recommender system to suggest tailored apps based on user feedback and preferences.

Fertility patients' history is best predictor of risk for major depression

Research from San Francisco State University reveals that fertility treatment patients are more likely to experience major depressive disorder (MDD) than the general population. A key factor in predicting a patient's risk is whether they have a previous diagnosis of MDD, which is often overlooked by healthcare providers.

Depression often co-occurs with joint diseases

A study of 14,348 Swiss individuals found that those with depressive symptoms have a higher risk of developing physical diseases, especially arthrosis and arthritis. The researchers suggest that lack of interest in physical activity or inflammatory processes may be key factors in this association.

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.

'Religiously integrated' psychotherapy is effective for depression

A study published in The Journal of Nervous and Mental Disease found that 'religiously integrated' cognitive-behavioral therapy is at least as effective as conventional CBT for treating major depression in chronically ill patients. Highly religious patients showed greater improvement with this approach.

Crowdsourced tool for depression

A new peer-to-peer networking tool has been developed to build online support communities and practice therapeutic techniques for depression. The tool, called Panoply, yielded better outcomes in training subjects to use cognitive reappraisal and improving mood in those with severe symptoms.

Garmin GPSMAP 67i with inReach

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

Smart phone app monitors depression in real time

A new mobile phone app, LifeRhythm, detects depression symptoms by analyzing user behavior such as activity levels and social interactions. The technology has the potential to revolutionize depression diagnosis, providing an objective and automated screening method.

What is the best measure of depression severity in adolescents?

A new study found that anhedonia, the inability to gain pleasure, is associated with more severe depression and worse outcomes in adolescents. Anhedonia severity showed a significant correlation with overall outcomes, including illness severity and episode duration.

Impact of domestic violence on women's mental health

A study of 1,052 mothers found that domestic violence was associated with a higher risk of depression and schizophrenia-like psychotic symptoms in women. The research also highlighted the importance of considering childhood abuse as a factor in predicting mental health outcomes.

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.

Thin air, high altitudes cause depression in female rats

Researchers found that hypobaric hypoxia caused increased depression-like behavior in female rats at high altitudes. The study suggests that altitude is an independent risk factor for depression and suicide, and physiological changes triggered by low oxygen may contribute to the issue.

Using tablets to screen new, expecting moms for perinatal depression

A new project at the University of Illinois is using tablet computers to provide perinatal depression screenings to low-income mothers. The mHealth technology allows women to complete the screening in their preferred language and provides a paperless alternative to traditional screenings.

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.

Low vitamin D levels and depression linked in young women, new OSU study shows

A new OSU study found that young women with lower levels of vitamin D were more likely to experience clinically significant depressive symptoms over a five-week period. The results suggest a potential link between vitamin D deficiency and depression, highlighting the importance of maintaining adequate vitamin D levels for overall health.

Winter months SAD for US Treasury securities, study reveals

Research finds that US Treasury securities show a significant swing in returns between October and April due to seasonal depression. The average monthly return difference is 80 basis points, indicating a substantial impact of SAD on investment decisions.

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.

Largest review of clinical trials to assess risk of patients using Champix

A comprehensive review of 39 clinical trials found no evidence of increased risk of suicidal behavior, depression, or death in Varenicline users compared to placebo groups. The study also showed a 25% reduction in the risk of anxiety, likely attributed to the positive impact of quitting smoking on mental health.

Could yoga lessen prenatal depression?

Researchers found that prenatal yoga classes reduced depressive symptoms in pregnant women with mild to moderately depressed women. The study's results suggest that a larger randomized controlled trial is needed to confirm the findings.

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.

Most men with borderline testosterone levels may have depression

A study of 200 adult men with borderline testosterone levels found that 56% had significant depressive symptoms, highlighting the need for clinicians to manage comorbidities like depression and obesity in this population. The researchers also noted a high prevalence of overweight, obesity, and physical inactivity among participants.

New study links antidepressants with improved cardiovascular outcomes

A new study found that antidepressants may be more important than statins in reducing the risk of heart disease in patients with moderate to severe depression. Patients who took antidepressants alone had a 53% lower risk of death, coronary artery disease, or stroke during a three-year follow-up period.

Antidepressants linked with improved cardiovascular outcomes

Patients with moderate to severe depression who took antidepressants alone had a 53% lower risk of dying, developing coronary artery disease or having a stroke during the three-year follow-up period. Antidepressants were shown to significantly improve cardiovascular outcomes in this group, even when statins were not used.

Losing a spouse often too hastily linked to depression

A new study by KU Leuven researchers found that spousal loss triggers loneliness and subsequent depressive symptoms. The study suggests targeting key symptoms like loneliness can prevent further symptom activation and full-blown 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.

Family-based interpersonal psychotherapy for depressed preadolescents

A recent study published in the Journal of the American Academy of Child and Adolescent Psychiatry found that Family Based Interpersonal Psychotherapy (FB-IPT) is more effective than child-centered therapy (CCT) in treating preadolescent children with depression. Preadolescents with depressive symptoms are at increased risk of experien...

Identifying the war-afflicted teenagers most in need of mental health care

A new study reveals high rates of post-traumatic stress disorder (PTSD) and depression among war-afflicted teenagers in Northern Uganda, with former child soldiers showing the highest rates. The study suggests that psychological support should be offered through the education system to all young people in the region.

Help is just a call away for mothers with postnatal depression

Research reveals that telephone-based peer support can significantly reduce postnatal depression in new mothers. Social support from peers was found to be effective for maternal depression up to two years after delivery, with a decline in depressive symptoms after the intervention.

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.

Serotonin-deficient brains more vulnerable to social stress

A new study found that serotonin-deficient mice are more vulnerable to social stress and do not respond to the antidepressant Prozac, which may help explain why some people with depression seem unresponsive to treatment. The researchers also discovered a possible therapeutic strategy by targeting the lateral habenula brain area.

Brain scans predict effectiveness of talk therapy to treat depression

Researchers used brain connectivity scans to identify patterns that predict success with behavioral activation talk therapy. Patients with major depressive disorder who had stronger connections between brain regions involved in cognitive control and emotion regulation responded better to the therapy.

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.

Brain marker hints at depression, anxiety years later

A new study from Duke University has found that a brain marker can predict who will develop depression and anxiety years after a stressful event. By measuring the activity of the amygdala, researchers were able to identify individuals who were at higher risk for developing mental illness.

If Facebook use causes envy, depression could follow

Researchers found that surveillance use on Facebook can lead to feelings of envy and depression. Users who engage in comparison or surveillance behavior on the platform are more likely to experience negative mental health effects, according to a study published in Computers in Human Behavior.

Feelings of loneliness and depression linked to binge-watching television

A recent study by researchers at the University of Texas at Austin found that individuals with low self-regulation are more likely to binge-watch TV as a coping mechanism for negative emotions. The study also revealed that those who lack self-control are unable to stop clicking 'Next' even when aware of other tasks.

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.

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.