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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

Antidepressants not associated with serious complications from TBI

A study published in Neurology found that taking antidepressants after a traumatic brain injury (TBI) is not associated with an increased risk of death, brain surgery, or longer hospital stays. The study included over 54,000 participants and found that antidepressant users had an 11% lower risk of needing emergency brain surgery.

Apple iPhone 17 Pro

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

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.

Antidepressants improve core depressive symptoms early on

A new analysis of the PANDA trial found that sertraline contributes to improvements in low mood and suicidal thinking within two weeks of taking the drug. The study also revealed an improvement in emotional symptoms of depression within two weeks, with continued benefits from six weeks to 12 weeks.

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.

Yueju Pill or escitalopram in MDD?

A randomized, double-blind trial compared Yueju Pill and escitalopram in treating major depressive disorder (MDD). The study found that Yueju Pill improved depression symptoms and increased serum brain-derived neurotrophic factor (BDNF) levels. Brain network patterns were also predictive of treatment response in the Yueju Pill group.

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.

Untreated depression makes surgical outcomes worse in cancer patients

A new study found that untreated depression in cancer patients leads to poorer surgical outcomes, including longer hospital stays and higher mortality rates. However, treating depression with antidepressants can significantly improve post-surgical recovery and reduce healthcare costs.

Treatment timing is critical to Prozac's impact on mood behaviors

Researchers found that Prozac's impact on mood behaviors is critical to the timing of its administration, with early postnatal exposure leading to increased anxiety- and depression-like behaviors, while adolescent exposure had the opposite effect. This study provides crucial mechanistic insights into alterations in neurocircuits that r...

Meta Quest 3 512GB

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

Antidepressant use in teens contributes to increased pain sensitivity in adulthood

A new study from the University of Texas at El Paso finds that adolescent antidepressant use, particularly Prozac, may contribute to increased pain sensitivity in adulthood. The research suggests that early exposure to these medications can disrupt brain development and increase inflammatory markers, leading to heightened pain perception.

Common antidepressants could help the immune system fight cancer, UCLA study finds

A UCLA study found that selective serotonin reuptake inhibitors (SSRIs) can significantly enhance the ability of T cells to fight cancer and suppress tumor growth across various cancer types in mouse and human tumor models. SSRIs increased access to serotonin signals, making killer T cells happier and more effective at killing cancer c...

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.

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.

Nearly half of depression diagnoses could be considered treatment-resistant

A new study suggests that nearly half of depression diagnoses could be considered treatment-resistant, with 48% of patients trying at least two antidepressants and 37% trying four or more. This highlights the need for better treatment options to support patients who don't respond to first-line medications.

New artificial intelligence tool accelerates disease treatments

Researchers at the University of Virginia Health System have developed a computational tool called LogiRx that can predict how drugs will affect biological processes in the body. The tool has demonstrated its potential by identifying a promising candidate to prevent heart failure, a leading cause of death worldwide.

Demonstrates the relationship between antidepressants and weight gain

A recent study published in Frontiers in Psychiatry reveals a strong link between antidepressant use and weight gain, with an average 2% increase in body weight among participants. The study highlights the need to consider this association when prescribing antidepressants and monitor weight changes accordingly.

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.

Antidepressants linked to faster cognitive decline in dementia

A new observational study suggests that antidepressants can accelerate cognitive decline in people with dementia, while certain medications appear to be less harmful. Researchers analyzed data from 18,740 patients and found that selective serotonin reuptake inhibitors (SSRIs) were associated with the fastest cognitive decline.

The role of ketamine in treatment-resistant depression

Ketamine has been shown to rapidly reduce depressive symptoms in patients with treatment-resistant depression, often within hours of administration. However, the long-term efficacy and safety of ketamine therapy remain uncertain, with potential risks including cognitive impairment and cardiovascular effects.

Ketamine: From club drug to antidepressant?

Researchers have uncovered ketamine's mechanism of action, revealing how it affects the brain's NMDA receptors. The study provides hope for synthesizing new versions of the drug with fewer harmful side effects.

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.

Antidepressant use before, during, and after pregnancy

The study found a significant decrease in antidepressant use during pregnancy without an accompanying increase in psychotherapy. This suggests that pregnant women with depression or anxiety may be able to effectively manage their symptoms with medication alone.

Delayed REM sleep could be an early sign of Alzheimer’s

A study found that people with delayed REM sleep have higher levels of toxic proteins amyloid and tau, and lower levels of healthy protein BDNF, which can increase the risk of developing Alzheimer's. Practicing healthy sleep habits may help mitigate this risk.

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.

Scientists uncover rapid-acting, low-side-effect antidepressant target

A new study reveals that delta opioid receptor agonist KNT-127 has a rapid and effective antidepressant effect with minimal side effects. The research highlights the molecular mechanisms underlying its action, including mTOR signaling pathways and Akt activation in the medial prefrontal cortex.

Discouraged zebrafish help reveal how ketamine works in the brain

Researchers used zebrafish to test ketamine's effects on depression, revealing that the drug suppresses 'giving up' behavior by overstimulating astroglia cells. This finding suggests a potential new approach for treating depression by targeting these non-neuronal cells.

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.

Antidepressants may act in gut to reduce depression and anxiety

Researchers found that targeting antidepressants to intestinal cells reduces anxiety and depressive behaviors in mice, and may offer a better alternative to current treatments during pregnancy. The study suggests that increasing serotonin signaling in the gut can impact gut-brain communication and ultimately mood.

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.

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.

Bias found when drug manufacturers fund clinical trials

A recent study found that psychiatric drugs are 50% more effective in clinical trials funded by the manufacturer compared to those sponsored by other groups. The researcher attributed this phenomenon to the sponsorship effect, which is reduced by 20% when unpublished trials are included in the analysis. Preregistration has helped reduc...

Serotonin levels in brain increase with reward value

Researchers found that serotonin release scales with the value of rewards, indicating its role in monitoring reward quality. The study used a new biosensor to measure serotonin levels in mice receiving varied concentrations of evaporated milk as rewards.

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.

Antidepressant shows promise for treating brain tumors

Researchers at ETH Zurich have found an antidepressant, vortioxetine, effective against glioblastomas, a particularly aggressive brain tumor with no cure. The drug's ability to cross the blood-brain barrier and trigger a signalling cascade makes it promising for treating this deadly tumour.

CalDigit TS4 Thunderbolt 4 Dock

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

Uptick in drug overdose rates is widely reported especially among young women

A significant increase in drug overdose rates was recorded in Colombia between 2010 and 2021, with a notable rise among young women. The study found that the pandemic contributed to higher levels of anxiety and mental health problems, leading to overuse of drugs, particularly tranquilizers/sedatives/antidepressants.