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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

Inflammation linked to weakened reward circuits in depression

High levels of inflammation markers in blood are connected to stubborn symptoms of depression, such as anhedonia. Researchers believe blocking inflammation or its effects on the brain may reverse anhedonia in depressed individuals who fail to respond to antidepressants.

Light therapy effective for depression: UBC study

A UBC study published in JAMA Psychiatry found that light therapy can effectively treat non-seasonal depression and improve the overall wellbeing of people suffering from the disease. The research, which followed 122 patients, showed that light therapy was most beneficial when used with antidepressants.

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.

Increase seen in prescription drug use in US

Prescription drug use increased by 8% to 59% among US adults between 1999-2000 and 2011-2012, with notable increases in hypertension and hyperlipidemia treatments. The prevalence of polypharmacy also rose from 8% to 15%.

No need to stop antidepressants before plastic surgery, evidence suggests

Research review finds no consistent evidence that antidepressants increase bleeding, breast cancer, or other adverse outcomes in patients undergoing plastic surgery. However, the underlying depression may pose a risk to postoperative problems. Plastic surgeons should consider the impact of depression on surgical complications.

Apple iPhone 17 Pro

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

Decision aids help patients with depression feel better about medication choices

A new study from Mayo Clinic shows that simple conversation cards can dramatically improve patients' and clinicians' satisfaction with antidepressant discussions. The tool increased patients' comfort in making decisions by 5 points and their satisfaction likelihood by 2.4-fold, while also improving physicians' decision-making comfort a...

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.

Effect of decision aid in selecting antidepressant

A decision aid helped primary care clinicians and patients with moderate to severe depression select antidepressants together, improving decisional comfort and knowledge. However, its effect on depression control and medication use was not discernible.

Antidepressants plus blood-thinners slow down brain cancer

Researchers have discovered that combining tricyclic antidepressants with anticoagulant drugs can slow down glioma tumors in mice by causing excessive autophagy. The study, published in Cancer Cell, found that the combination therapy doubled the lifespan of mice with gliomas.

Some forms of dizziness after getting up may signal bigger problems

A study found that people with delayed orthostatic hypotension are at risk of progressing to a more serious condition, Parkinson's disease, or dementia. Over 10 years, 54% of participants with the delayed condition progressed to orthostatic hypotension and 31% developed a degenerative brain disease.

Meta Quest 3 512GB

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

Premenstrual dysphoric disorder -- review looks at treatment effectiveness

A comprehensive review of treatment options for PMDD identified selective serotonin reuptake inhibitors (SSRIs) as the first-line treatment, effective in reducing symptoms. For women who experience an inadequate response to SSRIs, alternative treatments such as antidepressants, anti-anxiety drugs, and oral contraceptives are recommended.

Common antidepressant may change brain

Researchers found that the antidepressant sertraline increased the volume of one brain region in depressed subjects, while decreasing two brain areas in non-depressed subjects. The study used middle-aged female monkeys to replicate human depression and tested the effects of sertraline on brain volumes.

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.

Smoking cessation drug not boosting number of smokers who quit

A recent study published in Tobacco Control found that varenicline, a prescription smoking-cessation aid, has no significant impact on the rate of smokers who successfully quit. Instead, it appears to displace the use of older tobacco addiction therapies, such as nicotine patches and bupropion.

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.

Depressed females have over-active glutamate receptor gene

A new study found that depressed female patients have abnormally high expression levels of genes regulating the glutamate system, which may contribute to their increased suicidal risk. The research suggests that drugs targeting this system, such as ketamine, could provide rapid relief from depression and potentially save lives.

Combined use of antidepressants and painkillers linked to bleeding risk

A recent study published in The BMJ found that taking a combination of antidepressants and common painkillers increases the risk of bleeding. The researchers analyzed data from over four million patients and found a substantially increased bleeding risk with combined use of antidepressants and NSAIDs, especially in men.

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.

Cultural and economic factors affect European antidepressant use

A new study by researchers from King's College London found that antidepressants were prescribed more often and used more regularly in countries with higher levels of healthcare spending. Attitudes towards mental illness, such as viewing people with a mental illness as 'dangerous', were also associated with higher use of antidepressants.

REM sleep critical for young brain development; medication interferes

A new study from Washington State University suggests that REM sleep plays a crucial role in converting waking experiences into lasting memories and abilities in young brains. The study found that brain circuits change in the visual cortex during exploration, but REM sleep is required to make those changes "stick".

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.

Men with 'low testosterone' have higher rates of depression

A study of 200 adult men found that those with borderline testosterone levels had a 56% rate of depression and depressive symptoms, highlighting the importance of screening for mental health in this population. The researchers also identified high rates of obesity and low physical activity as contributing factors.

Warts and all: How St. John's Wort can make you sick

Researchers found that St John's Wort produces the same adverse reactions as antidepressants, including anxiety, panic attacks, and dizziness. The study highlights the need for people to seek advice from qualified healthcare practitioners when using herbal medicines like St John's Wort.

Fluke 87V Industrial Digital Multimeter

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

Are antidepressants more effective than usually assumed?

Researchers analyzed data from major company-sponsored studies on SSRIs and found a significant difference favoring the active drug. The conventional measure of efficacy was only 44% effective, but analyzing the effect on depressed mood showed 91% superiority over placebo.,

Antidepressants beneficial for women with postnatal depression

A systematic review of six randomised controlled trials found that antidepressants were of benefit for postnatal depression, with 54% of participants reporting 'much improved' symptoms after treatment. Remission rates were also improved, with 49% of participants showing remission compared to 26% in the placebo group.

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.

Debate: Is the long term use of psychiatric drugs harmful?

Research suggests that psychiatric drugs may be harming more people than helping them, with experts arguing that the benefits are minimal and the risks are immense. The BMJ says that more than half a million people die from psychiatric drug use every year in Western countries.

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.

Antipsychotic use may increase the risk for diabetes in some children

A new study published in JAMA Pediatrics found that antipsychotic medications may increase the risk of type 2 diabetes in children by nearly 50% when initiating treatment. The study analyzed national Medicaid data and recommended that clinicians consider thoughtful risk-benefit consideration when prescribing these powerful medications ...

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.

Publication bias and 'spin' raise questions about drugs for anxiety disorders

A new analysis found that studies supporting the value of second-generation antidepressant drugs for anxiety disorders have been distorted by publication bias, outcome reporting bias, and 'spin'. The researchers concluded that these medications may not be significantly more useful than a placebo in treating anxiety disorders.

Antidepressants linked with improved cardiovascular outcomes

Patients with moderate to severe depression who took antidepressants alone had a 53% lower risk of dying, developing coronary artery disease or having a stroke during the three-year follow-up period. Antidepressants were shown to significantly improve cardiovascular outcomes in this group, even when statins were not used.

New study links antidepressants with improved cardiovascular outcomes

A new study found that antidepressants may be more important than statins in reducing the risk of heart disease in patients with moderate to severe depression. Patients who took antidepressants alone had a 53% lower risk of death, coronary artery disease, or stroke during a three-year follow-up period.

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.

Common antidepressant may hold the key to heart failure reversal

Researchers found that paroxetine, a commonly prescribed antidepressant, restored heart function in mice with heart failure by inhibiting the GRK2 enzyme. The study's findings suggest that physicians may consider prescribing paroxetine to heart failure patients with clinical depression to improve their heart function.

GeneSight multi-gene test more predictive of antidepressant response

The GeneSight test combines multiple gene variations to predict patient responses to medications, improving treatment outcomes and healthcare resource utilization. The study found that patients on red category medications showed significantly less improvement in depressive symptoms.

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.

Anticholinergic drugs linked to risk for pneumonia in elderly

A Group Health study of over 3,000 patients found that anticholinergic medications increase the risk of pneumonia in older adults. The study suggests that clinicians should review medications regularly to identify potential risks and explore alternative treatments.

Painkillers for non-cancer chronic pain: New insights on risk

Two studies found that morphine equivalent doses of opioids over 100mg/day increase drug overdose risk, while antidepressant use can mitigate this risk. A third study revealed a 'catch-22' where patients without depression are more likely to overdose when taking opioids with sedatives.

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.