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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

Good ruminations or bad ruminations in the depressed brain?

Research reveals that depression-related rumination is associated with a brain network imbalance, where the default mode network (DMN) dominates over the task-positive network (TPN). This imbalance leads to maladaptive thinking and less effective coping mechanisms, exacerbating depressive symptoms.

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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.

Study finds sex differences in mental illness

A new study published by the American Psychological Association found significant sex differences in mental illness prevalence, with women more likely to develop anxiety and depression. Men, on the other hand, are more prone to substance abuse and antisocial disorders. The study's findings suggest that treatment approaches for men and ...

Program helps high school students overcome depression and thoughts of suicide

A study published in Journal of School Health found that a suicide prevention program significantly reduced teen suicidal behaviors, with significant decreases in considering, planning, and attempting suicide. The Surviving the Teens program taught self-confidence and positive behavior to help teens cope with stress and depression.

Depression linked to increased risk of stroke in women

A history of depression is linked to a 29% increased risk of total stroke in women, according to new research. Women who used anti-depressant medication also had a higher risk of stroke, likely due to underlying vascular disease or inflammation.

Harnessing the power of positive thoughts and emotions to treat depression

A comprehensive review article found that positive activity interventions (PAIs) may offer hope to individuals with depressive disorders who do not respond to medical therapy. PAIs, such as counting blessings and practicing optimism, teach patients ways to increase their positive cognitions and emotions without professional help.

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

Brain chemical may explain why heavy smokers feel sad after quitting

A new study by the Centre for Addiction and Mental Health found that heavy smokers who quit experience an increase in MAO-A levels, a mood-related brain protein. This finding may explain why heavy smokers are at high risk for clinical depression and provides potential targets to prevent sad mood during cigarette withdrawal.

Spiritual retreat can lower depression, raise hope in heart patients

A study found that a 4-day non-denominational spiritual retreat significantly lowered depression in heart patients, while also raising hope. The retreat included meditation, guided imagery, and outdoor activities, leading to immediate improvements in tests measuring depression and hopefulness.

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

Restoring happiness in people with depression

Researchers propose Positive Activity Interventions (PAI) as a new and less expensive approach to treating depression. PAIs include activities like gratitude, optimism, and acts of kindness, which have been shown to increase positive thinking, affect, and behaviors.

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

Current, not prior, depression predicts crack cocaine use

A new study published in Addiction found that women in drug court with current major depression were more likely to use crack cocaine within four months. The study suggests that addressing depression could reduce the number of women who fail to beat crack addiction in drug court.

Distract yourself or think it over? 2 ways to deal with negative emotions

A new study published in Psychological Science finds that people use two main strategies to regulate their emotions: distraction and reappraisal. When faced with low-intensity negative emotions, individuals tend to reappraise the situation by thinking through it, while high-intensity emotions trigger a distracting response.

Mood and experience: Life comes at you

A new study published in Psychological Science reveals that life experiences significantly influence the set points for anxiety and depression. Researchers used a large sample of over 12,000 twins to show that environmental factors have a lasting impact on mood stability.

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

'Motivational' interviews reduce depression, increase survival after stroke

Patients who received motivational interviews early after a stroke had normal mood, fewer instances of depression, and greater survival rates compared to those receiving standard care. After one year, 48% of patients with the intervention had normal mood, while the death rate was 6.5%, significantly lower than the control group.

Ghrelin likely involved in why we choose 'comfort foods' when stressed

Researchers at UT Southwestern Medical Center found that ghrelin, the 'hunger hormone', triggers comfort food cravings in stressed mice, leading to overeating and increased body weight. The study suggests that ghrelin signaling plays a crucial role in stress-induced food-reward behaviors.

Postnatal depression linked to depression in offspring until age 16

A recent study by Lynne Murray and colleagues found that postnatal depression in mothers is associated with a substantially increased risk of depression in their children until age 16. The researchers also discovered that infant attachment issues and lower child ego resilience are linked to the development of depression.

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Group therapy helps MS sufferers cope with depression, study finds

A study at The University of Nottingham found that group therapy sessions can reduce anxiety and depression in MS patients, improving their quality of life. The treatment reduced costs for the NHS by almost £470 per patient, with savings also seen in GP visits and outpatient hospital costs.

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Depression and negative thoughts

A new study suggests people with depression struggle to turn their attention away from bad thoughts due to difficulties with working memory. Researchers found that individuals with depression took longer to reorder words in reverse order, especially when the words had negative meanings.

New tool aims to improve measurement of primary care depression outcomes

A new tool, REMIT, has been developed to improve the measurement of primary care depression outcomes. The tool adds a patient's subjective sense of recovery to existing measurements, showing that about one-third of patients with mild depression were not in remission, as their PHQ score would indicate.

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

Study links anxiety and depression to risk-taking in young drivers

A study by Queensland University of Technology found that anxiety and depression are linked to risk-taking in young drivers, with women being more likely to exhibit this behavior. The research suggests that identifying young drivers at risk of psychological distress could help target them with specific road safety countermeasures.

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

Researchers identify DNA region linked to depression

Researchers at Washington University and King's College London have independently identified a DNA region on chromosome 3 associated with depression. The region contains up to 90 genes and shows genome-wide significance, suggesting that many genes may be involved in depression.

Professor: Pain of ostracism can be deep, long-lasting

Ostracism can lead to extended periods of pain and negative experiences due to its impact on human needs like belonging and self-esteem. The pain caused by social exclusion can linger for a long time if coping mechanisms are not effective, leading to depression, alienation, and feelings of unworthiness.

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.

Positive effects of depression

A new study finds that depressed individuals perform better than non-depressed peers in sequential decision tasks, approximating an optimal strategy more closely. This discovery provides evidence that clinical depression may carry some benefits, which could help uncover its evolutionary roots and open avenues for treatment.

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.

More knowledge not always helpful for women dealing with heart disease

Research finds that women with heart failure who suppress their emotions tend to have higher symptoms of depression and anxiety, even with knowledge about their illness. This suggests that clinicians should consider individual coping styles when educating patients about their condition.

Scientists identify genetic risk for major depression

A new study identifies SLC6A15 as a novel susceptibility gene for major depression, which may lead to the discovery of novel antidepressant drugs. The researchers found that lower expression of SLC6A15 in the hippocampus is linked to increased stress susceptibility and altered neuronal circuits.

New target structure for antidepressants on the horizon?

Researchers identify a promising candidate gene, SLC6A15, involved in the regulation of glutamate, an important neurotransmitter. The study shows that changes in this gene's activity can be influenced by genetic variations and even stress, providing new insights into depression.

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Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Anti-inflammatory drugs reduce effectiveness of SSRI antidepressants

Researchers at Rockefeller University found that anti-inflammatory drugs decrease the efficacy of selective serotonin reuptake inhibitors (SSRIs) in treating depression and obsessive-compulsive disorder. The study suggests that this may be due to the overlap between depression, inflammation, and Alzheimer's disease.

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Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Move over Prozac: New drug offers hope for depression

Researchers have identified a small molecule compound that specifically inhibits TrkB action, showing potent behavioral effects in mice and promising antidepressant and anti-anxiety activity in humans. The discovery could lead to the development of a new class of psychiatric drugs for depression treatment.

A screening test for cognitive therapy?

A quick, inexpensive, and easy-to-administer physiological measure of pupil dilation in response to emotional words can predict which patients are likely to respond to cognitive therapy. This technology has the potential to improve treatment response rates in mental health clinics.

New target for developing effective anti-depressants

Scientists have discovered how anti-depressants make new brain cells by regulating the glucocorticoid receptor, a key protein involved in stress response. This finding holds promise for developing more effective anti-depressant treatments to combat depression.

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.

Treatment for depression a long-term solution

Research suggests that treatment for depression may have long-term benefits, with depressed adults who use antidepressants being three times less likely to be depressed eight years later. Cognitive behavioral therapy has also been shown to be effective in reducing symptoms of depression.

Teens who choose music over books are more likely to be depressed

A University of Pittsburgh study found that teenagers who spent more time listening to music were 8.3 times more likely to be depressed, compared to those who read books the most, which had a protective effect against depression. The study used an intensive 'real-life' methodology and involved 106 adolescent participants.

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

A woman's blues bring a relationship down

A study found that depression erodes intimate relationships by impairing partners' ability to perceive each other's thoughts and feelings. The more depressed a woman is, the less accurately she infers her partner's emotions, leading to increased alienation and depression in both partners.