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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

Aromatase inhibitors: A promising new treatment for endometriosis

A new study finds aromatase inhibitors can significantly reduce endometriosis severity and pain, offering a more effective treatment with fewer side effects. The treatment involves taking letrozole along with progestin for six months, resulting in improved symptoms and reduced estrogen production.

Apple iPhone 17 Pro

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

Pain may interfere with depression improvement

A clinical trial found that depression improved in most patients after three months of drug therapy, but 24% persisted with high scores. Moderate to severe pain at the start of treatment was associated with a higher risk of poor response.

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.

Few hospitalized patients at low risk for pain

A study found that hospitalized patients experience significant pain levels, with 59% reporting pain, and that certain characteristics like age, sex, and diagnosis can identify high-risk patients. In contrast, no clear predictors were identified for low-risk patients, suggesting that all hospitalized patients may be at high risk for pain.

Cobblestone mat walking shows health benefits for elderly

A study by Oregon Research Institute found that cobblestone mat walking improves pain relief and mental well-being in older adults. Participants who walked on the cobblestone mat experienced enhanced physical activity and reduced stress levels compared to those in an attention control group.

New drug combination might be more effective pain reliever

Researchers discovered a synergistic effect when combining glucosamine with ibuprofen, resulting in enhanced pain relief. The study suggests that adding glucosamine to existing pain medications could lead to improved efficacy without increasing side effects.

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.

Surgical technique may reduce pain after tonsillectomy

Researchers found that postoperative pain was less on days three, four, and five following surgery for patients in the microdissection group compared to those in the standard electrocautery group. The study suggests that microdissection needle cautery may be a more effective method for reducing post-tonsillectomy pain.

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.

Patients' anaesthesia concerns reviewed

Despite improvements in reported pain after surgery, patients continue to express concerns about anaesthesia, including fear of not waking up or experiencing nausea and vomiting. The authors note that developments in technology and training have improved anaesthetic practice, but challenges remain to improve patient comfort.

Gender differences in brain response to pain

Researchers found that men's brains showed greater activity in cognitive regions when given pain stimuli, while women's brains responded more strongly in limbic regions. These differences may have evolved due to distinct roles of men and women in stress responses, with women's brains being more nurturing and protective.

Unusual fatigue may be warning symptom of heart attack in women

Researchers found that unusual fatigue was the most common early symptom reported by women before their heart attacks, with 70% of cases. The study's lead author emphasizes the importance of educating women about new symptoms and seeking medical care to determine their cause, especially those with known cardiovascular risks.

Annals of Internal Medicine, tip sheet, November 4, 2003

A new study highlights the need for improved care of vulnerable older adults with conditions such as bedsores and incontinence. Leech therapy shows promise in relieving pain from osteoarthritis, but more research is needed to determine its effectiveness.

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.

Women's symptoms are new or different

A new study investigates women's experience with heart attacks, revealing a wide range of symptoms that can indicate the disease. The research aims to improve early detection and prevent cardiac events in women.

Rejection really hurts, UCLA psychologists find

Researchers found that social exclusion activates the same part of the brain as physical pain, leading to elevated activity in the anterior cingulate cortex. The study's authors theorize that this automatic response evolved to protect human survival and well-being.

Study finds music can ease labor pain

Researchers at Case Western Reserve University found that listening to calming music during early active labor can significantly reduce the sensation and distress of pain. The study, led by Sasitorn Phumdoung, suggests that music may be a widely-used alternative to medication for easing pain during childbirth.

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.

Hot pepper chemical links tongue to heart

Researchers discovered that 'hot pepper' receptors on the heart trigger symptoms of heart attack and may lead to new treatments for angina pectoris. The study found that these receptors cause blood vessels to constrict and increase blood pressure, leading to chest pain.

Hypnosis doesn't improve pain relief strategies

Researchers found that hypnosis did not provide better pain relief compared to non-hypnotic treatments. The amount of pain relief experienced was largely due to participants' expectations from the therapy, according to the study's lead author.

Brain imaging confirms that people feel pain differently

Researchers used MRI to assess brain function while participants experienced heat stimuli. People who reported higher pain levels showed increased activation in key brain areas, such as the primary somatosensory cortex and anterior cingulate cortex. This confirms the importance of self-reports in guiding pain treatment.

Blood test could detect heart attack early

A new blood test can detect heart attacks in just five minutes with a 99% accuracy rate, improving diagnosis and treatment outcomes. The test identifies two proteins associated with the earliest stages of a heart attack, reducing unnecessary hospital stays.

Antibiotic resistance could increase rates of UK gonorrhoea infection

The UK is experiencing an increased rate of gonorrhoea infection due to growing antibiotic resistance, particularly with ciprofloxacin. The Health Protection Agency recommends reviewing national and local treatment guidelines to ensure effective treatment using alternative antibiotics such as cephalosporins or spectinomycin.

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.

Radiofrequency ablation effective in treating advanced lung cancer

Radiofrequency ablation has shown promising results in treating advanced lung cancer, with significant pain reduction and improved survival rates. The procedure involves using extreme heat to destroy or slow the growth of tumors, and can be used as an alternative to surgery, chemotherapy, and radiation therapy.

Nerve receptor found to be key to intestinal inflammation

Researchers at Duke University Medical Center have identified a nerve cell receptor as necessary for initiating inflammatory bowel disease. The study suggests that blocking the VR-1 receptor could halt the development of IBD in an animal model.

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.

Higher pain tolerance in males can't be bought

A study of 81 undergraduates found that males exhibit higher pain thresholds and tolerances than females. The researchers also discovered that psychological factors can influence the association between physiological responses and pain responses, and additional research is needed to replicate these findings.

Meta Quest 3 512GB

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

Redheaded women respond better to painkilling drug

A new study by McGill University found that redheaded women respond better to a painkilling drug due to a genetic variation in the Mc1r gene. This gene is associated with pigmentation and variants cause red hair and fair skin, leading to a heightened response to kappa-specific analgesics.

Data from a new study show Keppra helped alleviate pain

A new study finds Keppra alleviates severe nerve pain in cancer patients by reducing VAS scores to 0-3 within 3-14 days, with a significant decrease in opioid use. The medication was well-tolerated and showed potential therapeutic benefits for further investigation.

New potential therapy for sickle cell disease

Researchers at Boston Children's Hospital found that providing extra nitric oxide through inhalation may reverse or stop vaso-occlusive crisis symptoms. The treatment reduced pain scores and morphine use in patients with severe sickle cell disease, warranting further investigation.

Alcohol researchers identify a genetic basis of pain response

Researchers found that specific genetic variants, such as the val158met polymorphism in the COMT gene, influence an individual's sensitivity to pain. This genetic variation affects brain regions involved in pain perception and emotional regulation, leading to increased pain ratings and a more negative internal state.

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.

Depression related to poor health after bypass surgery

Researchers found depression before surgery significantly increased hospitalization for cardiac reasons six months post-operative, with patients experiencing prolonged surgical pain and failure to return to normal activities. Depression also persisted post-surgery, often unrecognized and untreated.

Psychotherapy for HIV-related pain may have limited appeal

A study of 61 patients with HIV-related peripheral neuropathy found that psychotherapy reduced pain intensity and improved daily life functions. However, high dropout rates and short attendance periods made it challenging to assess the treatment's effectiveness.

Hurry up and wait

A study examining ambulance transport data in Toronto found that diversion can cause important delays for critically ill patients. The researchers used data from 3609 patients with chest pain in 1997 and 1999 to show a 28.4% increase in transport intervals during periods of high overcrowding.

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.

Supervised exercise program is an effective remedy for cramping leg pain

Patients with Peripheral Artery Disease (PAD) who undergo supervised exercise programs experience improvements in blood flow, reduced systemic inflammation, and enhanced cardiovascular health. By walking on a treadmill several times a week, PAD patients can eventually reduce their leg pain and increase their walking distance.

New test speeds diagnosis of chest pain

A new test protocol has been shown to accurately diagnose chest pain in emergency patients, with a 100% sensitivity rating for heart attacks. The protocol's accelerated evaluation tool may reduce hospital admissions and improve patient outcomes by enabling earlier diagnosis and treatment.

Fluke 87V Industrial Digital Multimeter

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

Depression after bypass surgery linked to later problems

A recent study found that depression one month after coronary artery bypass surgery is a significant risk factor for continued cardiac problems. The research suggests that evaluating patients for depression after surgery and providing treatment may enhance long-term outcomes.

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.

Ouch! The receptors mediating acidic pain sensation

A study by Shinya Ugawa and colleagues found that acid sensing ion channels (ASICs) function as acid sensors within a specific pH range, while VR1 receptors are not involved. The ASICs inhibitor amiloride may be a useful analgesic for treating localized pain within this range.

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.

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.

The majority of hand cuts don't need stitches

Researchers found no difference in cosmetic appearance between sutured and non-sutured hand cuts after three months. Patients treated conservatively reported less pain and shorter treatment times compared to those who received sutures.

Let's talk about sex -- And pain

Researchers at McGill University are studying sex-associated pain in women, focusing on the issue of pain itself rather than its physical or psychological causes. They recommend a combination of cognitive behavioral pain management and physical therapy for relief.

Study finds common knee surgery no better than placebo

A recent study found that patients undergoing arthroscopic lavage or debridement for osteoarthritis of the knee did not experience greater pain relief or improved function compared to those receiving placebo surgery. The researchers suggest that the same therapeutic benefits may be achieved through non-invasive treatment methods.

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.