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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

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.

Acute kidney injury patients more likely to need dialysis within 5 years

A new study from St. Michael's Hospital reveals that patients with acute kidney injury requiring in-hospital dialysis are three times more likely to need long-term dialysis later in life. Early medical surveillance and intervention may prevent progression to irreversible end-stage kidney disease.

Blood thinner causes stroke in some dialysis patients

A study found that warfarin may increase the risk of stroke in dialysis patients with abnormal heart rhythms. Patients on dialysis who take warfarin are at a higher risk of stroke, particularly those whose blood is not monitored for warfarin levels after treatment.

Hello wearable kidney, goodbye dialysis machine

Researchers have developed a Wearable Artificial Kidney that provides continuous dialysis 24/7, reducing hospitalization rates and improving quality of life. The device is powered by two nine-volt batteries and weighs about 10 pounds.

New statistical method shows importance of dialysis dose

A new approach to statistical analysis shows that a higher dose of dialysis can lead to longer survival times for patients with advanced kidney disease. The study found no significant effect with conventional methods, contradicting previous conflicting results.

Apple iPhone 17 Pro

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

Dialysis safe for kidney patients' heart health

A study published in the Clinical Journal of the American Society Nephrology found that dialysis does not affect the heart health of kidney disease patients who have had a heart attack. Researchers identified predictors of high risk, such as potassium levels and patient condition severity.

Sleeping through dialysis: No nightmare for kidney patients

A new study shows that overnight dialysis is a viable alternative for patients with irreversible kidney disease, offering improved health outcomes and reduced healthcare burden. The long-term results of this therapy were found to be well-tolerated by most patients, with lower rates of anemia and reduced levels of urea in their blood.

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.

Trace elements unbalanced in dialysis patients

A systematic review of 128 studies found that dialysis patients have abnormal levels of cadmium, chromium, copper, lead, and vanadium, but lower levels of selenium, zinc, and manganese. This imbalance may contribute to adverse clinical outcomes in these patients.

More pills, less quality of life for kidney patients

A study published in the Clinical Journal of the American Society Nephrology found that dialysis patients taking an average of 19 pills a day experience worsening quality of life. The high pill burden, largely due to phosphate binders, can lead to poorer physical and mental health outcomes.

Celestron NexStar 8SE Computerized Telescope

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

Knowledge unlocks key to healthier options for dialysis patients

A study published in Clinical Journal of the American Society Nephrology found that patients with more knowledge about dialysis are more likely to use permanent vascular access. The researchers also identified factors associated with lower knowledge, including age, education level, and race.

Shared equipment can lead to hepatitis B outbreaks

A systematic review of 33 HBV outbreaks found that administration of drugs using multi-vial compounds and capillary blood sampling with non-disposable devices are the most frequent transmission routes. The study highlights several topical factors, including a high number of outbreaks in dialysis units and associations with multi-vial use.

Procedure improves health of cancer patients

A novel hemodialysis procedure called high cut-off hemodialysis has been shown to restore kidney function and increase lifespan in patients with multiple myeloma, a form of cancer that causes severe kidney failure. In a study of 19 patients who underwent the procedure while receiving chemotherapy, 70% became independent of dialysis.

Before starting dialysis, patients need nephrologist care

Patients with end-stage renal disease who receive pre-dialysis care from a nephrologist have higher chances of surviving the first year on dialysis. The study also identified geographic clusters where suboptimal care is prevalent, suggesting targeted improvement efforts could be beneficial.

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.

For old or young dialysis patients, AV fistulas remain pure gold

Researchers found that arteriovenous (AV) fistulas are the preferred access method for dialysis treatment at any age, with no significant difference in patency or openness between elderly and younger patients. AV fistulas allow continuous high volumes of blood flow, enabling efficient dialysis treatments.

New database important resource in caring for dialysis patients

The Comprehensive Dialysis Study (CDS) includes data on more than 1,600 patients, providing a valuable new resource for improving dialysis outcomes. Researchers can examine the interrelated factors affecting the health of new dialysis patients and identify predictive significance of early physical and nutritional status.

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.

Chewing gum helps treat hyperphosphatemia in kidney disease patients

A study found that chewing gum with a phosphate-binding ingredient can help maintain proper phosphate levels and prevent cardiovascular disease in dialysis patients. Salivary phosphate levels decreased significantly after two weeks of chewing, while blood phosphate levels also showed a notable reduction.

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.

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.

Overnight hemodialysis dramatically improves survival

A study led by Ercan Ok found that overnight hemodialysis reduced mortality rates by 78% and improved blood pressure control, appetite, weight gain, and cognitive functioning among patients. The results suggest longer dialysis regimens as a promising alternative to addressing high risk of death among dialysis patients.

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.

Hormone level may reflect mortality risk among dialysis patients

A new study suggests that monitoring fibroblast growth factor 23 (FGF-23) levels can provide crucial information for the treatment of kidney failure patients. Elevated FGF-23 levels have been linked to a significantly increased risk of death among dialysis patients, even when phosphate levels are normal.

Researchers design model for automated, wearable artificial kidney

A new design for an automated, wearable artificial kidney eliminates complications of traditional dialysis. The device functions continuously, providing cleansing and fluid balance on a continuous basis, and regenerates and reuses spent dialysate to minimize protein loss.

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.

Frequent dialysis may benefit but at what cost?

A study suggests that more frequent hemodialysis for patients with end-stage renal disease (ESRD) may improve their quality of life and cut down on hospitalizations. However, the increased costs of delivering hemodialysis may outweigh the benefits unless significant cost reductions are achieved.

Controlling bone disease improves survival of hemodialysis patients

Researchers found that consistently controlling parathyroid hormone, calcium, and phosphorous levels can prolong the lives of hemodialysis patients. Meeting multiple targets simultaneously was associated with improved survival rates, with a 51% higher risk of death for those who failed to meet any targets.

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.

Reducing blockage fails to improve access to the bloodstream for kidney dialysis

A study funded by the National Institutes of Health found that reducing early blockages in bloodsstream access does not increase the likelihood that the access will function adequately for long-term treatments. Fistulas are the preferred type of access since they clot less often, experience fewer infections, and are less costly.

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.

Research suggests why scratching is so relieving

A study using functional MRI technology reveals that areas of the brain associated with unpleasant emotions and memories become less active during scratching, suggesting a possible explanation for its relieving effect. The findings may lead to new treatments for chronic itch, which affects over 30 million Americans.

Americans pay the most for prescription drugs and still don't take them

A new study from the University of Michigan found that while US residents have the highest out-of-pocket drug costs, they are less likely to take their medications compared to patients in other countries. High costs are only a partial reason for non-adherence, with policy factors also playing a role.

Promising results for pilot trial of wearable hemodialysis device

A wearable haemodialysis device has delivered promising results in a pilot trial, with patients reporting improved quality of life and no adverse cardiovascular changes. The device has the potential to become a practical means of delivering extended and more frequent dialysis to patients with end-stage kidney failure.

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.

Study questions impact of hemoglobin variations on mortality in dialysis patients

A recent study published in the Clinical Journal of the American Society of Nephrology suggests that persistently low hemoglobin levels in dialysis patients increase their risk of death, while fluctuating levels do not. The research used data from nearly 160,000 patients to analyze the effects of hemoglobin variability on mortality rates.

New anemia measure predicts risk of death in dialysis patients

Researchers developed a new indicator, Hb-Var, measuring hemoglobin level stability in dialysis patients, finding it strongly predicts mortality risk. Higher Hb-Var scores associated with increased death rates, even after adjusting for absolute hemoglobin levels and trends.

Improvements in survival after dialysis in the elderly

A retrospective cohort study found that elderly patients who started dialysis between 1990 and 1999 experienced significant improvements in survival rates. Patients aged 65-74 years at the start of dialysis showed a 23% improvement in survival, while those aged 75 or more saw a 15% gain.

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.

Early intervention dramatically improves outcomes for new dialysis patients

A study found that a structured quality improvement program called RightStart improved outcomes for new dialysis patients, including significant reductions in mortality and hospitalization rates. The program, which included education, close medical follow-up, and self-empowerment, was associated with better nutrition, less anemia, and ...