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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

Screening for postpartum depression -- research review and update

According to a research review, postpartum depression affects 14.5% of women during pregnancy or after delivery, with many cases going undiagnosed and untreated. Screening tools, such as the Edinburgh Postnatal Depression Scale, can be used in various settings to identify PPD, which requires close attention from psychiatrists.

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 moms not 'in sync' with their children

A study found that mothers with depression are not physiologically synchronized with their kids, even during positive interactions. The researchers measured heart rate variability and found that depressed moms missed matching their children's physiology, leading to a mismatch in social engagement.

Researchers identify potentially revolutionary antidepressant compound

A team of researchers has identified a ketamine metabolite that quickly reverses depression in mice without ketamine's major side effects. The study suggests that this compound may work by activating AMPA receptors, potentially opening up new vistas for the development of safer antidepressant treatments.

Study offers new insights on postpartum depression among women of color

A new study provides first-person perspectives from African-American and Latina mothers on their experiences with postpartum depression, revealing that conventional treatments often provide little relief. The research highlights the need for concrete services like transportation and flexible work environments to manage depression effec...

Yoga and aquatic exercise can help combat MS symptoms

Researchers found that yoga and aquatic exercise significantly improved symptoms of multiple sclerosis, including reduced fatigue, depression, and paresthesia. The study, involving 54 women with MS, showed a significant reduction in moderate to severe depression in those who exercised three times a week.

Apple iPhone 17 Pro

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

Web-based, self-help intervention helps prevent depression

A web-based guided self-help intervention has been shown to reduce the incidence of major depressive disorder in adults with subthreshold depression. The study found that 55 participants in the intervention group experienced MDD compared to 84 in the control group, resulting in a significant reduction in risk.

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.

Nutrient supplements can give antidepressants a boost

A meta-analysis of 40 clinical trials found that combining omega-3 fish oils with antidepressants had a statistically significant effect on improving mood. Other supplements like methylfolate, Vitamin D, and SAMe also showed promise as mood-enhancing therapies when taken with antidepressants.

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.

One antidepressant shown to control weight during 2-year study

A 2-year study found that bupropion (Wellbutrin) is the only antidepressant to induce modest weight loss, while others lead to varying degrees of weight gain. Nonsmokers on bupropion lost an average of 2.4 pounds, compared to a 4.6-pound gain on fluoxetine.

Celestron NexStar 8SE Computerized Telescope

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

Heart attack patients more depressed but get less antidepressants

A recent study by Dr. Barbro Kjellström found that heart attack patients are more likely to be depressed, with 14% experiencing symptoms compared to 7% of control group members. However, antidepressants were prescribed less frequently among heart attack patients with depression, at just 16%, compared to 42% of control group members.

Study links gang membership and depression

A recent study found that gang membership is associated with increased levels of depression and suicidal thoughts among middle- and high-school students. The research, conducted by Michigan State University and Bowling Green State University, highlights the negative impact of gang involvement on mental health outcomes.

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.

How depression may compound risk of type 2 diabetes

Researchers found that depression combined with metabolic risk factors significantly increases the risk of developing type 2 diabetes. The study suggests a vicious cycle where depression and metabolic symptoms exacerbate each other, making integrated treatment crucial for prevention.

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.

Psychotherapy for depressed rats shows genes aren't destiny

A Northwestern University study shows that engaging environment can alleviate depression in genetically depressed rats, suggesting that nurture can override nature. The study found that psychotherapy and behavioral activation therapy can change blood biomarkers for depression, potentially leading to more precise treatment.

ACP recommends policies to stem rising prescription drug costs

The American College of Physicians (ACP) calls for policy changes to slow the rising cost of prescription drugs. Recommendations include price transparency, patient cost-sharing, and novel approaches such as price negotiation by Medicare. While some studies suggest potential prevention methods, more research is needed.

Oxytocin level in pregnancy predicts postpartum depression severity

A study by Northwestern University found that higher oxytocin levels during pregnancy can predict the severity of postpartum depression symptoms. The research suggests that screening for depression biomarkers in pregnancy could lead to preventive treatment, reducing the likelihood of women seeking help and accepting treatment.

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.

Social media use associated with depression among US young adults

A new study from the University of Pittsburgh School of Medicine found a significant association between social media use and depression among US young adults. Participants who spent more time on social media had a higher risk of depression, with some platforms showing stronger correlations than others.

Chemical may be new tool for depression therapy

Researchers discovered a potent inhibitor of soluble epoxide hydrolase, which plays a key role in modulating inflammation and neuropathic pain in the brain. The compound, TPPU, displayed rapid effects in animal models of depression, with potential as a new therapeutic medication.

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.

When it comes to predicting depression, race may matter more than was thought

A new study found that standard depression screening tools may not work as well for black Americans as they do for whites. However, listening to black participants' own descriptions of their mental health may help predict risk. Self-rated health was found to be a key predictor of later depression in black participants.

Reduced side effects from ECT for those with severe depression

A new study from Trinity College Dublin reveals that modifying ECT can minimize cognitive side effects while maintaining its effectiveness in treating severe depression. The 'unilateral' approach, involving unilateral electrode placement, shows promising results.

Attention bias modification treatment in depressed adolescents

A new study found that a computer-based attention bias modification treatment reduced negative attention biases and clinician-rated depressive symptoms in adolescents with major depression. After 12 months, participants in the active ABM group reported even greater reductions in self-reported depressive and anxious feelings.

Meta Quest 3 512GB

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

Clock gene may connect mood and sleep

Researchers discovered a molecular link between mood disorders and circadian rhythms in a study on familial advanced sleep phase (FASP) and faulty PER3 gene variants. Mice carrying the faulty gene exhibited depression-like symptoms when exposed to short light periods, mirroring human seasonal affective disorder.

Gene links sleep and seasonal affective disorder

Researchers have identified a specific gene mutation that appears to link unusual sleep patterns and Seasonal Affective Disorder (SAD). The PER3 gene mutation was found in family members with both conditions, suggesting a connection between circadian genes and mood disorders.

Study of firefighters finds potential pathway between insomnia and depression

A new study of firefighters suggests that insomnia and nightmares may increase the risk of depression by impairing emotion regulation strategies. The study found that limited access to these strategies, such as problem-solving skills and negative emotions decrease, was the strongest indirect effect for both relationships.

Virtual reality therapy could help people with depression

A new study from UCL and ICREA-University of Barcelona found that immersive virtual reality therapy can reduce depressive symptoms in patients. The therapy involved wearing a virtual reality headset and expressing compassion towards a distressed virtual child, resulting in a significant drop in depression severity for some participants.

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.

Vulnerability to depression linked to noradrenaline

Researchers at McGill University found a connection between noradrenergic neurons and depression vulnerability. Increased dopaminergic neuron activity corresponds to depression, while noradrenergic neurons control this activity, influencing resilience or vulnerability.

Exercise and meditation -- together -- help beat depression

A combination of mental and physical training reduced depressive symptoms in students with major depressive disorder. The study found that individuals experienced fewer negative thoughts and improved focus after just eight weeks of MAP training. This innovative approach offers a low-cost solution for depression treatment.

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.

Parental depression associated with worse school performance by children

A Swedish study of over 1.1 million children found that parental depression was associated with poorer school performance at age 16, with maternal depression having a larger negative effect on girls. The study suggests that early intervention and support for affected parents could have far-reaching effects on child development.

Parental depression negatively affects children's school performance

A new study found that parental depression can significantly negatively affect children's school performance, with mothers' diagnoses having a greater impact on girls. Children whose parents have depression are more likely to achieve lower grades, similar to those in low-income families but with smaller effects.

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.

Inflammation attacks brain's reward center

A new study published in Biological Psychiatry suggests that inflammation can directly affect the brain's reward center, leading to changes in behavior similar to depression. The study found that patients with hepatitis C who received interferon-alpha treatment showed microstructural changes in their striatum, which was associated with...

VUMC study may offer answers for treating depression in alcoholics

Researchers at Vanderbilt University Medical Center have found a potential treatment for depressive-like symptoms in alcoholics using ketamine and an endocannabinoid system booster. The study, published in Neuropsychopharmacology, validates a mouse model of alcoholism and shows promise for developing novel treatments for mood disorders.

Follow-up care low among adolescents with new depression symptoms

A study found that nearly 40% of adolescents prescribed antidepressant medication did not receive documented follow-up care for three months. This lack of care raises concerns about the quality of treatment for adolescent depression, a condition affecting 12% of adolescents.

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.

Depressive symptoms prevalent among Division I college athletes

A study published in the British Journal of Sports Medicine found that nearly a quarter of Division I college athletes reported depressive symptoms. Women were almost twice as likely to experience symptoms than their male peers. The researchers also discovered significant differences in depression rates across different sports, with fe...

Neuroticism predicts anxiety and depression disorders

A new Northwestern University and UCLA study found that young people with high neuroticism are highly likely to develop both anxiety and depression disorders. Researchers suggest a single intervention could help prevent the development of both conditions.

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.

Diagnosing depression before it starts

A new brain imaging study from MIT and Harvard Medical School may lead to a screen that could identify children at high risk of developing depression later in life. The researchers found distinctive brain differences in children known to be at high risk due to family history of depression, suggesting an early intervention strategy.

No evidence of seasonal differences in depressive symptoms

A large-scale survey of U.S. adults found no association between depressive symptoms and seasonality, contradicting the notion of seasonal depression as a commonly occurring disorder. The study's findings cast doubt on major depression with seasonal variation as a legitimate psychiatric disorder.