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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

Antidepressant effects of ketamine

A new study suggests that a metabolite of ketamine can produce antidepressant-like effects in mice, potentially leading to further research on the efficacy and safety of ketamine in humans. Ketamine has been shown to have rapid and potent antidepressant effects in humans, even in those resistant to traditional treatments.

Yogic breathing helps fight major depression, Penn study shows

A new study published in the Journal of Clinical Psychiatry found that Sudarshan Kriya yoga significantly improved symptoms of depression and anxiety in medicated patients with major depressive disorder. The technique, which includes sequential breathing exercises, reduced mean Hamilton Depression Rating Scale scores by several points ...

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.

New strategy for antidepressant therapies

Researchers at Penn State have discovered a new strategy for antidepressant therapies by increasing the activity of the neurotransmitter GABA in the brains of depressed mice. This approach shows promise as a rapidly acting and more effective treatment option.

Fluke 87V Industrial Digital Multimeter

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

Imaging technique maps serotonin activity in living brains

Researchers developed an imaging technique that creates a 3-D video of serotonin transport, mapping its activity across multiple brain regions. This tool could aid the research and development of antidepressants by analyzing how inhibitors like SSRIs work in different parts of the brain.

Hypothyroidism symptoms linger despite medication use, normal blood tests

Research conducted by Rush University Medical Center found that patients with hypothyroidism who have normal TSH levels are more likely to take antidepressants, be less physically active, and exhibit lower energy levels. These findings indicate that persistent symptoms may not be solely in the patient's head.

Scientists find new path in brain to ease depression

Scientists at Northwestern University discovered a new brain pathway that can be manipulated to alleviate depression. The BMP signaling pathway plays a key role in depression and can be targeted by a new molecule called Noggin, which stimulates neurogenesis and blocks the pathway.

Apple iPhone 17 Pro

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

Is sufficient sleep the key to successful antidepressant response?

Researchers found that adults who spent eight hours in bed daily showed greater improvements on all fronts, including faster response to treatment and higher remission rates. In contrast, those who spent six hours in bed experienced no significant differences in treatment response.

Drugs in the water? Don't blame the students

A new study by University of Vermont scientists contradicts the long-held belief that students flushing unused medications down the drain contribute significantly to pharmaceutical pollution. Instead, research found that excretion and other sources, like pharmaceutical manufacturing, are much more important contributors to wastewater.

After a fracture, it's time to rethink medications

Gerontologists call for clinicians to coordinate care among orthopedics, rehabilitation services, and primary care to reevaluate patients' medication use after a fracture. Clinicians should consider reducing or discontinuing psychotropic medications linked to increased risk of falls and fractures, while prioritizing prescribing drugs k...

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.

New antidepressant target discovered

Scientists at Northwestern University have identified a novel target for depression treatment by manipulating HCN channels in the hippocampus. Reducing these channel's function has been shown to improve mood in mice, offering new hope for millions of patients who don't respond to existing treatments.

Mayo Clinic introduces precision medicine in psychiatry

Researchers at Mayo Clinic are exploring the potential of genetic testing and electronic health records to tailor antidepressant treatment. The study finds that genetic variation can affect patient reactions to drugs, offering a unique opportunity to develop pharmacogenetic guidelines.

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.

Clinical trial examines treatment of complicated grief

A randomized clinical trial found that psychotherapy for complicated grief is efficacious and adding antidepressant citalopram improves outcomes for those with co-occurring depressive symptoms. The study's results support using antidepressants in conjunction with therapy for relief of co-occurring symptoms.

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.

Antidepressant use during pregnancy may lengthen umbilical cord

A new study found that children whose mothers used selective serotonin reuptake inhibitors (SSRIs) during pregnancy had longer umbilical cords than other newborns. The lengthening of the umbilical cord may indicate increased fetal activity and movement in the uterus.

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.

Ketamine lifts depression via a byproduct of its metabolism

Researchers found that a chemical byproduct of ketamine metabolism is responsible for its rapid antidepressant action, unlike the anesthetic and dissociative effects. This discovery holds promise for developing more robust and safer treatments for depression.

Researchers identify potentially revolutionary antidepressant compound

A team of researchers has identified a ketamine metabolite that quickly reverses depression in mice without ketamine's major side effects. The study suggests that this compound may work by activating AMPA receptors, potentially opening up new vistas for the development of safer antidepressant treatments.

Nutrient supplements can give antidepressants a boost

A meta-analysis of 40 clinical trials found that combining omega-3 fish oils with antidepressants had a statistically significant effect on improving mood. Other supplements like methylfolate, Vitamin D, and SAMe also showed promise as mood-enhancing therapies when taken with antidepressants.

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.

One antidepressant shown to control weight during 2-year study

A 2-year study found that bupropion (Wellbutrin) is the only antidepressant to induce modest weight loss, while others lead to varying degrees of weight gain. Nonsmokers on bupropion lost an average of 2.4 pounds, compared to a 4.6-pound gain on fluoxetine.

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.

Compact drug synthesizer could revolutionize drug delivery

Researchers developed a compact system that can synthesize various pharmaceuticals in short periods, reducing batch production and addressing drug shortages. The system produces high-quality drugs continuously over several hours or days, with the potential to facilitate on-the-spot production of pills through new approaches.

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.

Antidepressant use begins years before Alzheimer's diagnosis

A recent study from the University of Eastern Finland found that antidepressant use begins years before an Alzheimer's disease diagnosis. The most common antidepressants prescribed were selective serotonin reuptake inhibitors (SSRIs) and mirtazapine.

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.

ACP publishes depression recommendations; news from Annals of Internal Medicine

The American College of Physicians recommends using either cognitive behavioral therapy or second-generation antidepressants to treat adults with major depressive disorder. Both treatments are found to be similarly effective for treating depression, and physicians should consider a discussion with the patient about treatment effects, a...

Investigating potential fetal exposure to antidepressants

Researchers studied exposure to antidepressants in mice, finding that SSRIs like citalopram rapidly transfer to fetuses and brains. The study's findings suggest potential risks for children of mothers taking these medications during pregnancy.

VUMC study may offer answers for treating depression in alcoholics

Researchers at Vanderbilt University Medical Center have found a potential treatment for depressive-like symptoms in alcoholics using ketamine and an endocannabinoid system booster. The study, published in Neuropsychopharmacology, validates a mouse model of alcoholism and shows promise for developing novel treatments for mood disorders.

Depression experts question effectiveness of stress hormone drug

Research at Newcastle University has questioned the effectiveness of metyrapone, a drug suggested to treat depression, finding it inadequate for treatment-resistant patients. The study suggests that depression may be more complex than simply being a consequence of high stress hormone levels.

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.

New type of antidepressant found to act quickly in mice

Researchers discovered a new type of antidepressant that acts quickly in mice, unlike current treatments which take weeks or months. The compound CGP3466B targets a new network of proteins and has fewer side effects than existing medications.

'Window of recovery' can reopen after stroke

Studies show that inducing a second stroke nearby in the brains of mice can help them regain motor function to pre-stroke efficiency. This suggests that the optimal recovery window after a stroke may not be permanently closed and can reopen under certain conditions.

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.

Study finds no increased risk of autism, ADHD with prenatal antidepressant exposure

A large study published in Translational Psychiatry found no evidence that prenatal antidepressant exposure increases the risk of autism and attention-deficit hyperactivity disorder (ADHD). The research team analyzed medical records data from over 1,200 children with an autism-related diagnosis and nearly 3,800 control children. Matern...

Taking antidepressants during pregnancy increases risk of autism by 87 percent

A recent study published in JAMA Pediatrics has found that taking antidepressants during pregnancy significantly increases the risk of autism in children. The study analyzed data from over 145,000 pregnancies and found an 87% increased risk of autism when antidepressants were used during the second or third trimester.

Celestron NexStar 8SE Computerized Telescope

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

Frugal antibiotic prescribing associated with lower GP satisfaction scores

A new study by King's College London found that reduced antibiotic prescribing is associated with lower GP satisfaction scores. The study, which analyzed records from 7,800 general practices, found a 25% lower rate of antibiotic prescribing corresponded to a 5-6 point reduction in GP satisfaction rankings.

After hip-replacement surgery, medication use decreases

A new study found that patients who undergo hip-replacement surgery experience a surge in pain medication use before and immediately after surgery, but this trend reverses in the long term. Medication use for insomnia and anxiety also increases before surgery and decreases afterward.

Antidepressant medication protects against compounds linked to dementia

A Loyola University Medical Center study found that antidepressant escitalopram reduces levels of two neurotoxic compounds associated with memory loss and dementia in severely depressed patients. The study suggests a potential link between depression and increased risk of neurodegenerative diseases.

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.