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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

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

Medication and psychotherapy treat depression

A new study finds that pairing medication with intensive outreach and encouragement significantly reduces depressive symptoms and improves daily functioning among low-income, minority women. The treatment approach was most effective for this population compared to traditional care.

UCLA-led study challenges bipolar depression treatment guidelines

A UCLA-led study found that individuals with bipolar depression who continued taking antidepressants in conjunction with mood stabilizer medication after remission had a lower risk of depression relapse. The study's lead author, Dr. Lori Altshuler, suggests guidelines similar to those for unipolar depression may be more effective.

Treatment for depression in heart attack patients fails to improve survival

A new study published in the Journal of the American Medical Association found that treating depression and social isolation in heart attack patients does not improve survival rates, but significantly improves quality of life. The ENRICHD trial followed 2,481 heart attack patients with depression or low social support for 29 months.

Antidepressant found to reduce hot flashes

A recent study found that paroxetine significantly reduced the frequency of hot flashes in menopausal women by 64.6%, with up to 30% experiencing no flashes after six weeks. The medication worked by inhibiting serotonin reuptake, a natural chemical modulating mood and temperature control.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Treatment for minor depression

Researchers are investigating the effectiveness of St. John's wort and citalopram in treating minor depression, a common disorder that can impair daily life and increase the risk of major depression. The study aims to provide evidence-based treatment recommendations for primary care clinicians.

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.

Many depressed patients have low satisfaction with care

A study of 274 depressed patients found relatively low satisfaction with their care, particularly in treatment choices and follow-up care. The researchers also discovered that only a third of the patients received educational recommendations or materials to aid in managing depression.

Call for longer-term use of antidepressants

A meta-analysis of 31 trials involving over 4400 patients found that continuous antidepressant treatment for one to two years significantly reduced depressive relapse rates compared to placebo. The study suggests that many patients remain at risk of recurrence after initial treatment and may benefit from extended medication

Selegiline hydrochloride may help smokers quit

Researchers found that selegiline hydrochloride significantly increased smoking cessation rates among participants, with 45% quitting after 8 weeks of treatment. This suggests the MAO-B inhibitor may be an effective treatment for nicotine addiction.

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Call for longer-term use of antidepressants

A study published in The Lancet found that treatment for one to two years with antidepressants substantially reduced the likelihood of relapse compared to discontinuing active treatment. The average rate of relapse on placebo was nearly double that of treatment, highlighting the benefits of long-term medication adherence.

Brain images reveal effects of antidepressants

Researchers used functional magnetic resonance imaging (fMRI) to study the effects of antidepressant venlafaxine on clinically depressed patients. The study found that the drug produced robust alterations in the anterior cingulate area of the brain within two weeks, which may help predict treatment response.

Mail reminders help patients stick to antidepressant meds

Research found that mail reminders significantly improved adherence rates among patients taking antidepressants, particularly those on SSRIs. The study suggests that the $30,000 spent on this intervention could be cost-effective compared to the estimated cost of lost productivity in depressed workers.

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

Nation's two largest medical specialty groups issue migraine treatment guidelines

The American College of Physicians and the American Academy of Family Physicians have released new guidelines for treating migraines, recommending immediate treatment with NSAIDs or triptans, as well as managing nausea and vomiting symptoms. The guidelines also emphasize the importance of patient involvement in charting migraines and i...

Steep increase in antidepressant use, study shows

A Canadian study found a 353% increase in antidepressant prescriptions from 3.2 million to 14.5 million between 1981 and 2000, outpacing the country's population growth. The study suggests increased awareness and better understanding of depression may be contributing factors, but the underlying cause remains unclear.

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

Opioid medications a good bet for shingles-related pain

A study published in Neurology found that opioid medications effectively relieve postherpetic neuralgia (PHN) pain without significant side effects, with 54% of patients preferring opiates over antidepressants. The research suggests opioids are a good alternative for patients not responding to other types of pain medications.

For the first time, drug shows promise to help spit tobacco users quit

A new study found that bupropion significantly improved abstinence rates among participants who used spit tobacco, with 44% quitting after 12 weeks compared to 26% in the placebo group. Additionally, participants taking bupropion gained less weight than those on the placebo, averaging only 1.54 pounds versus 9.7 pounds over the 12-week...

Demystifying irritable bowel syndrome

Research suggests that irritable bowel syndrome is a discrete collection of organic bowel diseases, characterized by morphological, psychological, and physiological changes. Treatment options, including cognitive behavioral therapy and tricyclic antidepressants, show promise in managing symptoms.

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DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Medicated ecosystems: Human drugs alter key aquatic organism

Research by Colleen Flaherty reveals pharmaceuticals can stunt growth and result in more male offspring in Daphnia, while combination effects can be lethal. The study highlights the need to consider multiple chemicals in assessing ecological impacts.

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

Placebo, antidepressant may lift depression via common mechanism

A team of researchers found that both placebo and antidepressant responders showed increased activity in the cortex, accompanied by decreased activity in limbic regions. Patients who responded to fluoxetine also experienced unique changes in lower brain areas thought to confer additional advantage in sustaining the response.

Anti-depression drug beats nicotine therapy in helping women quit

A new study found that an anti-depression medication called bupropion (Zyban) is more effective than nicotine replacement therapy in helping women quit smoking. Women who took bupropion were more likely to stay smoke-free compared to those on nicotine replacement, with similar success rates after a full year of treatment.

Nicotine shows anti-depressant effects in an animal model of depression

Researchers found nicotine shows promise as an antidepressant in a Wistar-Kyoto rat model of depression. The study suggests that nicotine or nicotinic agonists could be therapeutic options for treating depressive illnesses. However, the risks associated with cigarette smoking outweigh any potential benefits.

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.

Prescription drug pollution may harm humans, aquatic life

Researchers at Johns Hopkins University are launching a three-year study to investigate prescription drug pollution in drinking water, sewage treatment plants, and coastal waters. Two new scientific tools have been developed to aid in the investigation, including a survey of environmental concentrations and a highly sensitive lab test ...

Prozac is effective for depression...and hot flashes too

A recent study found that Prozac significantly reduced hot flashes in women with breast cancer, providing a viable treatment option. The medication was compared to placebo and showed a 50% decrease in hot flash frequency and severity.

Antidepressant drug trials turn away most of the depressed population

A study published in the American Journal of Psychiatry found that nearly all antidepressant trials exclude patients with mild depression, anxiety disorders, or other psychiatric problems. This limits the generalizability of trial results and may lead to unjustified exposure of risks and side effects.

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Antidepressant provides a cool choice for hot flashes

A recent study by Mayo Clinic researchers has confirmed that long-term use of venlafaxine provides women with breast cancer significant relief from hot flashes, with a 60% reduction in frequency over eight weeks. The antidepressant is considered a safe and effective non-hormonal alternative to estrogen for treating hot flashes.

Drug-free therapy gives patients reprieve from panic disorder

A recent study found that cognitive behavior therapy (CBT) helps patients with panic disorder manage their symptoms without medication. Six months after stopping antidepressants, about 80% of patients who received CBT were symptom-free and experienced improved anxiety levels.

Combination of common medications may lead to stroke

Researchers identify potential link between serotonin-enhancing drugs and increased risk of cerebrovascular syndrome (stroke). The study suggests that caution should be exercised when combining medications that contain serotonin enhancers, particularly in patients presenting with sudden-onset headaches.

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.

Anti-depression 'pacemaker' demonstrates long-term benefits

A follow-up study found that vagus nerve stimulation (VNS) improved symptoms in 60% of patients who had failed multiple medications, with 20% experiencing complete symptom disappearance. The technique has been approved for treating epilepsy and is currently being studied for its long-term benefits in depression.

Provincial spending on drugs increases, says University of Toronto study

A recent study published in Psychiatric Services found that expenditures on antidepressants, antipsychotics, and anxiolytics increased significantly between 1992 and 1998. The researchers highlighted the need for drug benefit coverage to ensure accessibility and affordability for individuals with low incomes.

Paxil treats major depression in adolescents, study finds

Researchers found that paroxetine, a selective serotonin reuptake inhibitor, was more effective than imipramine or placebo in reducing depression symptoms and improving patient moods. The study involved 275 patients aged 12-18 with major depression.

Drug can reduce pain for stroke patients

A new drug, lamotrigine, has been shown to reduce central post-stroke pain in patients by an average of 30 percent. The treatment was found to be effective for patients who could not tolerate amitriptyline due to its side effects.

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Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Why does an anti-depressant work for some people, but not others?

Researchers found distinct differences in brain activity between responders and non-responders to fluoxetine, with widespread chain of events kicking in across multiple brain regions over time. The study identified critical brain areas that appear to be 'switches' controlling the direction of treatment response.

Estrogen lifts mood in perimenopause

A preliminary study suggests that estrogen can effectively boost mood in women experiencing depression during perimenopause. The hormone significantly improved symptoms such as early morning awakening and loss of enjoyment, with relief achieved within three weeks.

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.

Adverse drug events in nursing homes: common and preventable

A study found that over half of medication-related injuries in US nursing homes are preventable, with psychoactive drugs and anticoagulants being the most common culprits. The study recommends enhanced surveillance, educational efforts, and systems-based prevention strategies to improve medication safety.

Race may be factor in prescription of antidepressants to elderly

A 10-year study of 4,162 elderly adults found that whites are nearly three times more likely to be prescribed antidepressant medications than African Americans. The disparity jumps to seven times more likely if only selective serotonin reuptake inhibitors (SSRIs) are considered.

Antidepressants impair cognitive function in the elderly

A three-year study of 351 people from Sweden aged 80 and over reveals that psychoactive medications have negative effects on cognitive performance. The results show that individuals taking these medications experience lower performance scores and a more severe decline in cognitive function compared to those not on medication.

Many common drugs promote tooth decay

Studies found that medications like clonidine and propranolol can significantly increase the risk of tooth decay in individuals with dry mouth. The research suggests that antihistamines, antidepressants, and other medications can alter saliva composition, making it less effective at neutralizing acids and remineralizing teeth.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Ritalin and Prozac: Study finds more kids using both drug types together

A new study documents the increase in Ritalin-type stimulant drugs and Prozac-type antidepressants prescribed to children, raising concerns about diagnosis and treatment. Thirty percent of children on SSRIs also took stimulants, highlighting the need for further research on safety and effectiveness.

Counting sheep? Sleep expert outlines help for insomniacs

Insomnia is a prevalent and serious condition that can have serious consequences. Effective treatments include identifying underlying causes, such as lifestyle habits, medical conditions, or medications, and adopting good sleep hygiene practices, like restricting bedtime, avoiding naps, and increasing exercise.

ACP-ASIM issues guidelines for precribing antidepressant drugs

The American College of Physicians-American Society of Internal Medicine has released new guidelines for treating depression with antidepressant drugs. The guidelines highlight the effectiveness of both older and newer medications, as well as the potential risks associated with St. John's wort. Patients should consult their doctor to d...

Celestron NexStar 8SE Computerized Telescope

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