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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

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.

Nicotine lessens symptoms of depression in nonsmokers

Researchers found that nicotine patches reduced depression symptoms in nonsmoking participants, possibly by stimulating brain chemicals. The study suggests manipulating nicotine's effects could lead to new treatments for depression.

Team depression care reduces suicidal thoughts in older adults

A team-based approach to treating depression in primary care significantly reduces suicidal thoughts in older adults, with patients receiving IMPACT care being half as likely to report suicidal thoughts even up to 12 months after treatment. The study also shows improved physical functioning and quality of life for patients.

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.

Bipolar disorder exacts twice depression's toll in workplace

A recent study by the National Institute of Mental Health found that bipolar disorder exacts twice as much toll on workplace productivity as major depression, costing nearly half as much in lost wages. The researchers attribute this disparity to bipolar disorder's more severe depressive episodes rather than its manic periods.

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.

Depressed people benefit more from marriage than others

A recent study by Ohio State University researchers found that depressed individuals experience greater psychological benefits from marriage compared to non-depressed individuals. Despite lower marital quality and conflict levels among depressed couples, married depressed individuals still report improved mental well-being.

Experimental medication kicks depression in hours instead of weeks

A preliminary study found that a single intravenous dose of ketamine provided symptom relief in treatment-resistant depression patients within two hours. The results suggest a new class of faster- and -longer-acting medications could be developed, pointing to potential breakthroughs in treating depression.

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.

Placebo study frames depression treatment puzzle

A placebo study found that brain activity during a 'placebo lead-in' phase prior to antidepressant treatment can predict clinical outcomes. The study, published in the American Journal of Psychiatry, used EEG measurements to analyze changes in brain activity and its impact on depression scores.

Apple iPhone 17 Pro

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

Carotid stenting the new anti-depressant?

A study found that carotid stenting significantly reduced depressive symptoms in patients with carotid stenosis. The procedure restored blood flow to the brain, alleviating symptoms of vascular depression.

Parkinson patients can be apathetic without depression

A recent study found that apathy is a core feature of Parkinson's disease and may occur in up to 51% of patients. Apathy with no depression was also present in 29% of those with Parkinson's disease, highlighting the need for accurate diagnosis and treatment.

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.

JRRD tipsheet: Focus on multiple sclerosis

This article discusses various aspects of multiple sclerosis (MS) management in veterans, including the use of medical informatics, healthcare information systems, and patient education. The study highlights the importance of effective care models, registry development, and provider education to improve outcomes for MS patients.

Study shows strong link between obesity and depression

A recent study published in Archives of General Psychiatry found a strong link between obesity and mood disorders, particularly among Caucasian Americans and those with more education. The study revealed that an obese person is about 25% more likely to have depression or anxiety disorders.

Mild sadness provokes depressive thinking in some recovered patients

A study found that mild sadness can provoke depressive thinking in some recovered patients, leading to a higher risk of relapse. Cognitive behavioral therapy and antidepressant medication were tested on 301 patients with major depressive disorder, showing that those who displayed greater cognitive reactivity were more likely to relapse.

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.

Brain function and negative thinking linked to late-onset depression

A study of 44 older adults with depressive symptoms found that executive function decline and rumination are associated with late-onset depression. Executive function tests showed poorer performance among those with late-onset depression, while no such link was seen in early-onset depression.

Brief intervention reduces symptoms of depression

A study found that a brief intervention reduced symptoms of depression by 20% in college students, with feelings of hopelessness dropping 31%. The low-cost treatment, delivered through mail, has shown promise as a potential solution for the growing problem of depression among young adults.

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.

New study suggests antidepressants save lives

A new study published in PLoS Medicine analyzes federal data on US suicide rates and sales of the antidepressant fluoxetine since its introduction in 1988. The research found that suicide rates dropped steadily over 14 years as sales of fluoxetine rose, with the strongest effect among women.

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.

Study identifies predictors of bipolar disorder risk

Researchers found five predictors associated with bipolar disorder risk: people were unfriendly, co-morbid anxiety, depression diagnosis within five years, family history of bipolar disorder, and legal problems. These findings may help physicians better assess a patient's risk for bipolar disorder.

Invisible scars: Verbal abuse triggers adult anxiety, depression

A study published in the Journal of Affective Disorders found that verbal abuse in childhood can lead to increased symptoms of depression and anxiety in adulthood. The researchers studied data from over 5,600 participants aged 15-54 and found a strong correlation between verbal abuse and self-criticism.

PMS – a fact of life or all in the mind?

A study by Professor Ussher reveals that societal expectations of femininity and the 'monstrous feminine' can lead to self-policing practices, causing distress in premenstrual phase. Women in lesbian relationships reported less distress, suggesting a need for women-centred psychological interventions.

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.

Bullying keeps overweight kids off the field

A new study by University of Florida researchers found that bullying among overweight children is linked to lower rates of physical activity and depression. The study suggests that positive support from family and friends can help mitigate the negative effects of bullying on exercise habits.

Study finds lesser conditions a stepping stone to major depression

A recent study found that patients with minor or subsyndromal depression are five and a half times more likely to be diagnosed with major depression within a year. These less-severe conditions often go undiagnosed and untreated, causing greater functional disability among the elderly population.

Transition to menopause associated with new onset of depressive symptoms

A study found that the transition to menopause is strongly associated with an increased risk of developing high depressive symptoms and diagnosed depressive disorders in premenopausal women. Changes in hormone levels were significantly linked to these outcomes, emphasizing the need for further research on this topic.

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.

Celestron NexStar 8SE Computerized Telescope

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

Workplace abuse trickles down

A study by Michelle K. Duffy, Christine A. Henle, and Lisa Schurer Lambert found that abusive supervision in the workplace is linked to employee anxiety and depression. The research suggests that improving supervisor fairness may be key to reducing hostility and aggression in the workplace.

New strategies help depressed patients become symptom-free

The STAR*D study found that switching to a new medication and augmenting the initial SSRI were effective treatment options for depression. The study showed that all three medications switched to, despite having different mechanisms of action, appeared useful options for treating depression following failure on the first SSRI.

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.

Successful treatment of mothers with depression helps their children, too

A large-scale study found that successful treatment of mothers with depression leads to significant improvements in their children's mental health, including a 33% higher remission rate for children whose mothers recovered from depressive symptoms. Children of non-remitted mothers showed a 12% increase in depression diagnoses.

'Spirituality' is related to depression among young physicians

Researchers from the University of Cincinnati found a significant correlation between negative religious coping mechanisms and higher rates of depressive symptoms among primary-care residents. The study suggests that addressing spiritual needs may help mitigate the effects of training-related stress on mental health.

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.

Depressed older adults more likely to become cognitively impaired

A study found that depressed older adults are more likely to develop cognitive impairment within six years, with those experiencing moderate to high depression facing nearly twice the risk. The researchers discovered no correlation between depression and vascular disease, suggesting alternative mechanisms for the association.

Depression, anxiety in girls linked to higher body mass index in women

Research suggests that depression and anxiety disorders in girls and women are associated with higher body mass index (BMI) and greater weight gain over time. Women with a history of depression were found to weigh more and experience faster yearly weight increases than those without the condition.

Fluke 87V Industrial Digital Multimeter

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

Nature, nurture and the risk of depression

Researchers found 42% of a group of 127 people met criteria for lifetime major depression, with three genetic types identified in the population. Those with the predisposition have an 80% chance of becoming depressed if exposed to multiple negative life events.

Depression model leaves mice with molecular scar

A mouse model of depression reveals a persistent molecular scar left by chronic stress in the brain's hippocampus. Antidepressants temporarily restore gene expression but fail to remove silencer molecules, highlighting the need for new treatments.

NIH seeks strategies to preserve brain health

The NIH Cognitive and Emotional Health Project aims to coordinate research on interventions for neurological health. The report highlights the interconnectedness between cognitive and emotional health, emphasizing the need to examine them simultaneously.

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.