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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

Amitriptyline helps relieve IBS symptoms

The ATLANTIS trial found that amitriptyline significantly improved IBS symptoms, with participants taking the medication reporting a bigger improvement in symptom scores after six months. The medication was well-tolerated and showed no significant impact on anxiety or depression scores.

Is this how antidepressants work, and why they take weeks to kick-in?

Researchers found that antidepressant escitalopram increases synaptic density in the brain over weeks, leading to greater brain plasticity. This explains why effects of antidepressants take time to kick-in, with significant differences in synapse density between treatment and placebo groups.

Apple iPhone 17 Pro

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

Esketamine nasal spray effective against depression

A Phase IIIb study published in the New England Journal of Medicine found that esketamine nasal spray achieved higher remission rates (27.1%) compared to quetiapine extended-release (17.6%) in patients with treatment-resistant depression, indicating its potential as a targeted therapy for this population.

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.

Obesity particularly hard on people with bipolar disorders

A study by the University of Gothenburg reveals that obesity significantly worsens life expectancy and mortality risks in individuals with bipolar disorders. The findings show a rapid increase in BMI among those with bipolar disorders, leading to a higher risk of premature death and comorbidity.

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.

People who are in good shape take fewer mental-health related medication

Research based on the Trøndelag Health Study found that people in good physical shape fill fewer prescriptions for anxiety and depression medications. The study suggests that improving physical fitness can help prevent anxiety and depression, with men experiencing greater benefits from exercise than women.

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.

Biomarkers may hold key to precision mental health diagnosis, care

A Lehigh University professor has received $4 million in NIH grants to develop an AI-driven approach for precision mental health diagnosis and care. The project aims to identify biomarkers in the brain that can predict treatment response and personalize interventions for patients with depression and other mental disorders.

Study deciphers the biosynthetic pathway of the antidepressant orcinol glucoside from the plant Curculigo orchioides and engineers the production of orcinol glucoside in the biotech-friendly yeast Yarrowia lipolytica, with yields over 6,400-fold higher th

Researchers have deciphered the biosynthetic pathway of orcinol glucoside from Curculigo orchioides and successfully engineered its production in Yarrowia lipolytica. The resulting yields are significantly higher, exceeding 6,400-fold that of natural plant extraction.

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.

Happy worms have healthy eggs

A new study found that selective serotonin reuptake inhibitors (SSRIs) improved the quality of aging females' egg cells in roundworms by reducing embryonic death and chromosomal abnormalities. Replication in fruit flies confirmed the findings, suggesting a shared signaling system between species.

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.

Study explains how antidepressant increases brain plasticity

A recent study found that antidepressant fluoxetine facilitates the erasure of learned fear responses and enhances spatial learning in mice. The TrkB receptor in Parvalbumin interneurons is primarily responsible for this increased plasticity, suggesting a new target for treating psychiatric diseases.

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.

A closer look at Matcha tea powder’s antidepressant-like effects

Researchers found that Matcha tea powder reduces depression in mice by activating dopaminergic neural circuits and improving mood. The study's results suggest that Matcha's antidepressant-like effects depend on the animal's prior mental state, with stress-susceptible mice showing a significant response.

Robust billing and coding system needed for psychedelic therapies

A new article proposes a de novo billing code approach to address psychedelic therapy reimbursement concerns. Research using adult female rats suggests that psilocybin produces long-lasting normalization of pattern separation and forced swim test activities, indicating potential therapeutic benefits.

Most antidepressants ineffective for common pain conditions

Researchers found that while some antidepressants are effective for certain pain conditions, most are either ineffective or the evidence is inconclusive. A more nuanced approach is needed when prescribing antidepressants for pain, say experts.

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.

Antidepressants use for chronic pain on the rise, but are they effective?

A comprehensive review of antidepressant use in chronic pain found that some classes were effective in treating certain conditions, while others showed unclear or unknown benefits. Serotonin-norepinephrine reuptake inhibitors (SNRIs) like duloxetine demonstrated efficacy for various pain conditions.

Antidepressants used for chronic pain on the rise, but are they effective?

Researchers found that some antidepressant classes were effective in treating specific pain conditions, while others showed no benefits or unknown effects. The review of 26 systematic reviews involving over 25,000 participants suggests a more nuanced approach to prescribing antidepressants for chronic pain management is needed.

Do sleep medications increase your chances of dementia?

A new study found that sleep medications increase the risk of dementia in white adults. However, the relationship between sleep medications and dementia risk varies by medication type and socio-economic status. The study suggests that patients with poor sleep should consider alternative solutions before taking medications.

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.

Blood pressure drug holds promise for treating PTSD

Researchers found that clonidine, a common blood pressure medication, can reduce the consolidation of traumatic memories in PTSD patients. By interacting with the adrenergic receptor axis, clonidine interferes with cofilin's ability to form mushroom-shaped dendritic spines, which are essential for memory formation. This suggests that c...

Celestron NexStar 8SE Computerized Telescope

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

New support for a serotonin deficit in depression

Researchers found reduced serotonin release capacity in individuals with depression, suggesting a blunted serotonin system. The study used novel imaging techniques to measure serotonin levels in the brain, providing crucial insights into the pathology of depression.

Patients with treatment resistant depression at higher risk of death

A new study published in JAMA Psychiatry finds that patients with treatment-resistant depression have a 23% higher risk of death, as well as significantly more outpatient care and hospitalization days. The researchers emphasize the importance of identifying patients at risk of developing treatment-resistant depression to improve their ...

Kestrel 3000 Pocket Weather Meter

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

Study gives peek of how ketamine acts as ‘switch’ in the brain

A new study reveals ketamine dramatically changes neuronal activity patterns in the cerebral cortex, turning off active neurons and turning on silent ones. This switch in brain activity may impact our understanding of ketamine's antidepressant effects and future research in neuropsychiatry.

Treating mood disorders with psychoactive drugs

Researchers are investigating the antidepressant and anxiolytic properties of psilocybin and cannabis to improve treatment options for mental illnesses. The findings suggest that these compounds may offer new avenues for symptom relief in a range of mental health conditions.

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.

How pregnancy changes the parental brain

New research reveals profound effects of pregnancy on maternal brain physiology, mood, and behavior. Maternal mental health conditions like depression and anxiety affect 20% of new mothers in the US, with untreated cases having long-term negative impacts.

Promising results from psilocybin trial for treatment-resistant depression

Researchers conducted the largest clinical trial to date of psilocybin, finding a statistically significant rapid reduction in symptoms of depression. The study suggests that COMP360 psilocybin with psychological support could be an effective treatment strategy for people with treatment-resistant depression.

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.

Electroshock therapy more successful for depression than ketamine

A meta-analysis of six studies concludes that electroconvulsive therapy (ECT) is more effective than ketamine in quickly relieving major depression symptoms. The analysis, published in JAMA Psychiatry, found no significant differences in ECT's success rate across various age groups and geographic locations.

New insights into lithium’s effectiveness for bipolar disorder

A recent study identifies a specific gene, GNL3, that regulates neural proliferation in response to lithium, which is used to treat bipolar disorder. This gene plays an important role in brain function and has been implicated in risk for bipolar disorder, schizophrenia, and inter-individual variations in intelligence.

Timely interventions for depression might lower the future risk of dementia

A new study found that timely treatment of depression can reduce the risk of dementia by about 30% in certain patient groups. The study, published in Biological Psychiatry, analyzed data from over 350,000 participants and found that depression elevated the risk of dementia by 51%, but treatment reduced this risk. Those with increasing ...

Fluke 87V Industrial Digital Multimeter

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

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.

Scientists create 'non-psychedelic' compound with same anti-depressant effect

Researchers at UNC-Chapel Hill, UC San Francisco, Yale, Duke, and Stanford have developed a new compound that targets the same brain cell receptor as psychedelic drugs but triggers long-lasting antidepressant action without psychedelic effects. The compound is patented by Yale, UNC-Chapel Hill, and UCSF and licensed to Onsero.

LSD-like molecules counter depression without the trip

Scientists have designed compounds that activate the 5HT2a receptor, producing antidepressant and antianxiety effects in mice. The compounds' mechanism of action differs from psychedelics like LSD, offering a potential new approach to developing effective antidepressants with fewer side effects.