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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.

Gene discovery may shed light on kidney disease

Researchers at The Children's Hospital of Philadelphia identified a second gene linked to Alagille syndrome, a genetic developmental disease affecting multiple organs. Mutations in the NOTCH2 gene were found to cause kidney abnormalities in patients and families.

Celestron NexStar 8SE Computerized Telescope

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

Ultra low-dose estrogen shown safe for post-menopausal women

A study of 417 post-menopausal women found no harmful effects on cognitive abilities or health-related quality of life from a daily .014 milligram dose of estradiol via skin patch over two years. The results suggest that women can use this patch without harm for two years, benefiting their bones and alleviating hot flashes.

Researcher studies, treats military with 'silent disease'

Dr. Maria Sjogren's study tracks 90 active-duty servicemembers with hepatitis C, exploring disease progression and treatment effects on quality of life. Participants reported improved well-being after treatment, attributing it to the therapeutic process itself.

Treating hepatitis C recurrence after liver transplantation

A study found that a combination of pegylated interferon and ribavirin achieved better results than standard therapy in patients with recurrent hepatitis C after liver transplantation. The treatment was more effective, especially when patients showed an early decline in viral load.

New blood test detects non-alcoholic steatohepatitis

A simple blood test can indicate the presence of non-alcoholic steatohepatitis by measuring caspase 3-generated cytokeratin-18 fragments. This test has shown high sensitivity and specificity in differentiating NASH from non-NASH in patients with suspected NAFLD.

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Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

The right kind of oil

Researchers have discovered that substituting Omegaven, an IV fat mixture made from fish oil, can prevent fat accumulation and liver injury in patients with parenteral nutrition. The study has shown promising results in treating liver disease in children and adults, with most patients experiencing complete resolution of the condition.

Researchers get to heart of tropical disease

A study by Ohio State University researchers found that mice lacking a specific gene produce fewer parasites in their livers, preventing the disease from developing. This discovery may lead to the creation of new drugs to treat different diseases affecting the liver.

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

Coffee drinking associated with lower risk for alcohol-related liver disease

A large study found that moderate coffee consumption was associated with a 22% lower risk of developing alcoholic cirrhosis. The study suggests that coffee may help explain the variability in cirrhosis risk among heavy drinkers, but more research is needed to understand the mechanisms behind this potential protective effect.

Education and guidelines needed for genetic testing in liver disease

The authors of a commentary propose developing educational messages about genetic testing to address misunderstandings and societal fears. This could involve collaboration between professional organizations, patient advocacy groups, and the public at large to improve the interpretation of test results.

Fatigue a lasting problem after liver transplantation

A study of 96 liver transplant patients found that 66% were fatigued, with physical fatigue and reduced activity being the primary concerns. Rehabilitation programs focusing on improving activity patterns and physical fitness may help alleviate fatigue after liver transplantation.

Study links obesity to liver failure

A study published by the American Gastroenterological Association found that obesity is linked to a higher risk of liver failure, particularly in patients who need liver transplants or experience severe complications. Obesity can impair liver regeneration, making obese patients more vulnerable to acute liver failure.

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Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Novel therapy combinations gain ground in treating hepatitis

Recent studies demonstrate improved virus suppression with novel therapy combinations for hepatitis treatment, including valopicitabine plus peg-interferon. Researchers found a higher dose of the drug showed promising results, but also led to side effects that forced dosage reduction.

Joslin-led study reveals new findings on insulin signaling in the liver

A Joslin-led study has discovered that insulin signals to the liver differently for glucose and lipid metabolism, opening the door to developing targeted therapies. The research reveals new insights into phosphoinositide 3-kinase (PI3K) pathway, which regulates insulin's action in the liver.

Imbalance may trigger advance from fatty liver to liver failure

Researchers found that a disproportionate ratio of phosphatidylcholine to phosphatidylethanolamine in cell membranes undermines membrane integrity and influences progression to nonalcoholic steatohepatitis. Maintaining a healthy ratio may provide new approaches for managing the condition.

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GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Cutting calories slightly can reduce aging damage

Scientists from the University of Florida's Institute on Aging found that reducing calories by 8% and exercising moderately extended lifespan and improved liver function in rats. This discovery suggests that even slight calorie moderation can have significant effects on health, with potential implications for human aging.

Combined contrast enhanced MRI shows promise

A new study reveals that combined contrast enhanced MRI (CCE-MRI) closely matches the staging of non-alcoholic fatty liver disease (NAFLD) using conventional pathology. CCE-MRI offers a safer alternative to invasive liver biopsy, directly visualizing fibrosis and detecting liver cancers simultaneously.

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Liver transplants can be successful in HIV patients with Hepatitis B

A study found that patients with HIV-HBV coinfection can successfully undergo liver transplantation without progression of viral disease, even in the setting of lamivudine resistance. Controlling HBV is crucial for survival, and ongoing monitoring will be essential to minimize liver-related complications.

Bile acids, receptor key in regenerating livers

Bile acids play a crucial role in signaling the liver to regenerate tissue, with research suggesting that an imbalance in these compounds can trigger the process. Understanding this mechanism could lead to new treatments for liver disease.

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GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Stanford scientist to discuss new approach to treating hepatitis C virus

Stanford scientist Sarnow discusses new approach to treating hepatitis C virus using microRNA, a small fragment of RNA found in the liver that is necessary for viral growth and reproduction. The approach aims to lower microRNA levels in the liver without affecting liver function, potentially leading to improved treatment outcomes.

Liver signal critical for insulin's brain action

Researchers have found that liver signal STAT3 mediates the effects of brain insulin, which regulates glucose balance and insulin response. This discovery provides a potential therapeutic target for type 2 diabetes, a condition characterized by impaired glucose production in the liver.

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Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Relative risks of cirrhosis from non-alcoholic steatohepatitis

Non-alcoholic steatohepatitis (NASH) patients develop fewer complications than hepatitis C patients, but those with normal liver functions still face mortality risk from sepsis and cardiac events. The study highlights the importance of future therapeutic interventions for NASH patients.

Liver cancer linked to cellular repair pathway

Researchers discovered that blocking the Hedgehog pathway kills cancer cells while leaving healthy liver tissue intact. This finding offers hope for targeted treatments and diagnostic tests for liver cancer.

JCI table of contents, March 23, 2006

A recent study published in the Journal of Clinical Investigation sheds light on the mechanism underlying microglia's behavior in multiple sclerosis. Researchers found that controlled inflammatory responses can restore damaged myelin and nerve function, suggesting a potential therapeutic target for MS treatment. Additionally, studies o...

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Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Hepatitis C recurs rapidly after liver transplant

Researchers found that HCV RNA levels decrease rapidly during and after transplantation, then increase within days. The study suggests the liver is the primary site of viral replication, with a non-hepatic source contributing to some viral production.

JCI table of contents, February 1, 2006

A genetic mutation in a heart protein has been identified as a risk factor for sudden infant death syndrome (SIDS) in African American infants. Diabetic patients may benefit from a nerve survival protein called GDNF to treat gastrointestinal disorders related to diabetes.

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.

Darkness unveils vital metabolic fuel switch between sugar and fat

A study by the University of Texas Health Science Center at Houston has identified 5'-AMP as a key molecular mediator that switches mice from burning glucose to burning fat in response to darkness. This switch is also observed in active mammals, such as bears and humans, and may lead to new therapies for obesity and type 2 diabetes.

Cyclosporine inhibits hepatitis C virus in vitro

Research suggests Cyclosporine may be a beneficial primary immunosuppression for HCV patients, achieving better antiviral effects than Tacrolimus when combined with interferon. However, the use of Cyclosporine also increases the risk of infections and hepatitis complications.

Understanding fatigue in chronic liver disease

Researchers found that cholestasis is associated with a broad activation of immune cells producing TNF-alpha, leading to behavioral changes and alterations in neurotransmitter systems. The study provides a novel mechanism linking liver disease to CNS sickness behavior, potentially informing the development of therapeutic agents.

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.

Unexpected link between gene in liver and iron overload

Research reveals that mice lacking SMAD4 gene in the liver exhibit dramatic iron accumulation, similar to human hemochromatosis. The liver plays a central role in iron regulation, and boosting TGF-ß signaling pathway holds promise for treatment.

Coffee and tea can reduce the risk of chronic liver disease

A recent study published by the American Gastroenterological Association found that consuming more than two cups of coffee or tea per day can reduce the risk of chronic liver disease by half. Researchers discovered that caffeine played a significant role in this protective effect, suggesting potential applications for liver health.

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Unexpected function for a key regulator of blood glucose levels

Scientists at the Salk Institute discovered a key cellular switch that instructs the liver to produce more glucose when blood sugar levels run low. The switch, called TORC2, limits its own activity to prevent excessive glucose production, which is missing in diabetic individuals.

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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.

Fatty liver a possible risk for hypertension, cardiovascular disease

A recent study published in the journal Hypertension has found a significant association between fatty liver and an increased risk of hypertension and cardiovascular disease. The research suggests that GGT levels are strongly affected by weight and body fat distribution, particularly in overweight participants with central obesity.

Newly discovered hormone keeps digestive acid in check

The study found that a hormone called fibroblast growth factor 15 (FGF15) limits the production of bile acid by the liver. FGF15 is produced in response to high levels of bile acid, triggering its secretion and regulating the body's digestive processes.

Feedback loop found that could forestall liver disease

Researchers discovered a new hormone called fibroblast growth factor 15 (FGF15) that regulates bile acid production in the liver and prevents damage. FGF15 is produced in the small intestine and can potentially treat conditions like cholestasis by reducing harmful bile acid levels.

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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.