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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

Online messaging delivers follow-up care for depression

A randomized trial of 208 Group Health patients found that online care management significantly reduced symptoms of depression and improved medication adherence. The study suggests that online messaging can be a convenient and affordable alternative to traditional phone calls for follow-up care.

Tai chi beats back depression in the elderly, study shows

Researchers found that combining tai chi with standard treatment for depressed elderly adults led to greater improvement in depression levels and quality of life. Participants who took escitalopram and participated in tai chi showed higher remission rates than those receiving health education.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Depression may increase the risk of kidney failure

A study found that depression is associated with a higher risk of developing chronic kidney disease and rapid decline in kidney function. Depression was also linked to increased hospitalizations due to acute kidney injury, even after adjusting for other medical factors.

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.

Women who miscarry continue to have mental health problems

A study found that women who have experienced pregnancy loss may continue to suffer from depression and anxiety, even after having a healthy baby. The study suggests that previous pregnancy loss should be taken into account when assessing the risk of antenatal or postnatal depression.

Depression following miscarriage can continue after healthy birth

Women who experience depression and anxiety after a miscarriage may continue to feel these symptoms after a healthy child is born. The Avon Longitudinal Study of Parents and Children found that mental health problems associated with miscarriage or stillbirth do not end with the birth of a healthy baby, but can persist for several years.

Depressing future for men?

As men lose their primary breadwinner roles, depression and marital conflict are likely to increase. Biological and sociological differences may also make it harder for men to care for young children.

Hyperactive nerve cells may contribute to depression

Scientists identified hyperactive nerve cells in a tiny brain structure linked to depression, which can be reversed with deep brain stimulation. The study provides a cellular mechanism for depressive disorders and lends support to the use of this treatment approach.

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

Depression symptoms increase over time for addiction-prone women

A new study found that depression symptoms increase over time for addiction-prone women, contradicting the common notion that these disorders are either genetic or caused by environmental factors. The research highlights the complex interplay between biological, social, and community-level factors that influence these disorders.

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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.

Therapy for depression can be delivered effectively by non-specialists

A new study by Durham University shows that patients with severe depression can be treated successfully with behavioural activation, a psychotherapy for depression, by non-specialist mental health staff. The research suggests that this approach could lead to cost-savings for the NHS and alleviate the shortage of specialist therapists.

Peer support offers promise for reducing depression symptoms

A new study by the VA Ann Arbor Healthcare System and University of Michigan Health System found that peer support programs reduce symptoms of depression better than traditional care alone. These programs, which involve patients and volunteers sharing information, were also as effective as cognitive behavioral therapy.

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

Scientists find new link between genes and stress response, depression

Researchers have discovered a genetic variation linked to lower neuropeptide Y levels, increasing stress sensitivity and emotional processing in key brain circuits. This finding may aid in identifying individuals at high risk of developing major depressive disorder, enabling targeted interventions.

Girls who are bullied are at risk for substance use through depression

A new study has identified a link between bullying and substance use in adolescent girls, primarily through the mechanism of depression. The research, based on data from a nationally representative sample of 1,495 tenth graders, found that bullying can have serious consequences for young girls.

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Resurrecting the so-called 'depression gene'

Researchers at University of Michigan have found that an individual's genetic make-up determines their susceptibility to depression and response to stress. The analysis included nearly 41,000 participants and supported previous findings on the serotonin gene's relationship to depression.

Link between depression and inflammatory response found in mice

Vanderbilt researchers found that pro-inflammatory cytokines can trigger despair-like behavior in mice, similar to human depression. They also discovered a mechanism by which inflammation enhances serotonin reuptake, potentially increasing the risk of mood and anxiety disorders.

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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.

Researchers track the impacts of depression during pregnancy

A University of Michigan-led study found that depressed mothers' bodies may play a role in the development of their unborn children's brains. Babies born to depressed moms had higher levels of stress hormones and decreased muscle tone, but also showed signs of neurological maturity.

Are depressed people too clean?

A study published in Archives of General Psychiatry suggests that a loss of healthy bacteria due to modern sanitation may contribute to the increasing rates of depression. Experiments are being conducted to test treatments using properties of these beneficial microorganisms, aiming to improve emotional tolerance.

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GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Data mining depression

Researchers develop system to analyze patient data, therapist interactions, for better understanding of depression causes and prevention strategies. The approach balances individual differences with observed similarities in behavior and response to treatment.

Kicking the habit: Study suggests that quitting smoking improves mood

A new study published in Nicotine & Tobacco Research suggests that quitting smoking is associated with improved mental health, particularly reduced symptoms of depression. Researchers found that individuals who successfully quit smoking reported lower levels of depressive symptoms compared to those who did not quit or relapsed.

Gene duplication detected in depression

Researchers found a duplicated region of DNA on chromosome 5 predisposes people to major depression, implicating disruptions in neurotransmission networks. The study identified 12 copy number variations exclusive to MDD cases, with a large duplication of the SLIT3 gene contributing to the risk.

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

Neurological protein may hold the key to new treatments for depression

Researchers at Centre for Addiction and Mental Health have developed a protein peptide that disrupts coupling between dopamine receptors, potentially treating depression. The peptide showed marked improvement in depression-related behaviors in animal models, comparable to traditional anti-depressant medications.

Depression may be both consequence of and risk factor for diabetes

A large cohort study found that women with depression were 29% more likely to develop type 2 diabetes and those with diabetes had a 53% higher risk of developing depression. The association remained significant even after adjusting for lifestyle factors, suggesting a bidirectional relationship between the two conditions.

More than half of depression patients give up their treatment

A recent study found that most depression patients (56%) discontinue their treatment within the first four months of medication, while less than a quarter complete therapy for more than 11 months. The researchers suggest that acute depression stages and lower adherence rates are common factors contributing to treatment dropout.

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Animal studies suggest new paths to treating depression

Animal studies suggest that the stress response, immune system, and regulation of nerve cell signals may play important roles in depression. The findings highlight the need for new treatment targets and approaches to help those not responding to existing therapies.

NEWMEDS announces new drug database

The NEWMEDS collaboration has pooled resources to create the single largest database of clinical trial data ever amassed in psychiatric research. The database combines data from 23,401 anonymized patients from 67 trials on 11 compounds in over 25 countries.

Depression linked to altered activity of circadian rhythm gene

A study published in the Journal of Affective Disorders suggests that depression is associated with increased activity of the Clock gene, which regulates circadian rhythm. This finding could lead to personalized treatment approaches for people with depression, such as light therapy or antidepressants targeting melatonin.

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GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Timely depression diagnosis critical to maintain health of elderly

Researchers at the University of Missouri have found a series of indicators associated with elderly depression beyond mood changes, including verbal aggression, urinary incontinence and weight loss. These findings suggest that timely diagnosis and treatment can improve quality of life for nursing home residents.

Overcoming the IVF baby blues

Research from Tel Aviv University finds that stress and anxiety are major contributors to IVF-related depression. Hormone therapy plays a lesser role in inducing depression during IVF treatment.

Does adolescent stress lead to mood disorders in adulthood?

Research from Concordia University suggests a link between adolescent stress and the development of mood disorders such as depression or bipolar disorder in adulthood. High cortisol levels in adolescence have been found to persist into young adulthood, doubling the risk for developing a serious mood disorder.

Gene therapy may be powerful new treatment for major depression

Researchers at NewYork-Presbyterian/Weill Cornell report that gene therapy to the brain reverses depression-like behavior in mice, with human data backing up the promise of such therapy. Autopsy studies reveal significantly reduced levels of p11 protein in patients with severe depression.

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

New theory links depression to chronic brain inflammation

Researchers at the University of California, San Diego School of Medicine propose a new theory that links depression to chronic brain inflammation. According to this theory, depression is an adaptive response to stress and trauma, which can lead to neural remodeling and malfunctions.

Yale University researchers find key genetic trigger of depression

Yale University researchers have found a genetic trigger for depression, identifying the MKP-1 gene as a promising target for new antidepressants. The study found that increased levels of this gene are associated with signaling abnormalities in the brain, which can lead to depression.

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Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Childhood adversity may lead to unhealthy stress response in adult life

Healthy adults who experienced childhood abuse or neglect may have an elevated inflammatory response to stress, increasing their risk of depression and anxiety disorders. A study found that adults with adverse childhood experiences had higher levels of inflammatory markers, such as interleukin-6, in their blood.

Patient personality hinders detection of depression

Research published in International Psychogeriatrics found that friends and family members of highly outgoing individuals may miss signs of depression due to inconsistent expectations. Understanding these personality dynamics is crucial for accurate diagnoses and treatment monitoring.

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

Can telemedicine improve geriatric depression?

A telemedicine-based depression care protocol was successfully implemented in home health care, with high patient satisfaction and significant improvement in depression severity. The pilot study's findings offer encouragement for expanding this program to reach elderly individuals who can experience a better quality of life.

Surprising stress for caregivers

A study of 58 caregivers found that a lack of understanding and help from friends and relatives is the biggest cause of stress. Caregivers reported signs of anxiety and depression due to common problems such as criticism, social isolation, and difficulty sustaining themselves and their families.

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.

Type D personality associated with higher future heart risk

Research suggests that heart patients with Type D personality are at a higher risk of developing future cardiovascular issues. A three-fold increase in such risks was observed among Type D patients compared to those without this personality profile.

Parents at highest risk for depression in the 1st year after child's birth

A study of over 86,000 families in the UK found that parents are at high risk for depression in the first year after a child's birth, with mothers experiencing significantly higher rates than fathers. The findings highlight the need for better detection and support for parental depression to improve children's outcomes.

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Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.