Bluesky Facebook Reddit Email

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

The embryogenesis evidence of foregut duplication cyst

Research on foregut duplication cysts of the stomach reveals two cases with a pseudostratified respiratory epithelium, suggesting an origin from the respiratory diverticulum. This study's findings could lead to early diagnosis or prevention by better understanding the embryogenesis of these lesions.

Hemolysis and intestinal injury

A study published in World Journal of Gastroenterology found that hemolysis leads to decreased intestinal microcirculatory blood flow, causing intestinal damage. Elevated circulating cell-free oxyhemoglobin levels resulted in a strong correlation with intestinal injury.

Seroprevalence of anti-HAV among patients with chronic viral liver disease

A study published in the World Journal of Gastroenterology investigated the seroprevalence of Hepatitis A virus (HAV) antibodies among patients with chronic viral liver disease in South Korea. The study found that most patients above 40 years old have already been exposed to HAV, highlighting the need for vaccination against HAV.

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.

Study finds celiac patients can eat hydrolyzed wheat flour

Researchers found that hydrolyzed wheat flour baked goods are not toxic to celiac disease patients, with some even developing subtotal atrophy without clinical complaints. The study suggests further research on therapies to reduce gluten toxicity beyond the standard gluten-free diet.

Risk of death increases in IBD patients with hospital-acquired infections

A study published in Clinical Gastroenterology and Hepatology found that IBD patients with hospital-acquired infections experience increased mortality and prolonged hospital stays. The majority of infections among hospitalized IBD patients are health-care associated, with severe liver disease patients being at highest risk.

Apple iPhone 17 Pro

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

Fructose intolerance common in children with functional abdominal pain

A new study found that fructose intolerance is common in children with recurrent or functional abdominal pain, affecting 53.9% of patients. A low-fructose diet was effective in resolving symptoms in 67.7% of patients, highlighting the importance of identifying and managing this condition.

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.

How to control massive bleeding from the hepatic artery

Researchers developed a new interventional technique using stent-grafts to control massive bleeding from the hepatic artery after pancreaticoduodenectomy, demonstrating lower mortality rates than conventional surgical intervention. The procedure is considered a valuable alternative for patients with non-portal vein anatomy.

Adherence to practice guidelines may reduce bleeding in cirrhosis patients

A new study found that adherence to practice guidelines reduces bleeding in cirrhosis patients, with 82% of those without bleeding receiving their screening EGD within six months. Patients who did not bleed were more likely to have received their screening EGD within the six-month window compared to those who bled.

Sony Alpha a7 IV (Body Only)

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

Studies offer encouraging data on preventing Crohn's disease recurrence

Two studies found that infliximab and certolizumab pegol can effectively maintain remission of Crohn's disease for up to 18 months. Continuous therapy was more effective than interrupted therapy in preventing disease recurrence. Lower doses of infliximab also showed promise in maintaining intestinal mucosa integrity.

A new role of glypican-3 in hepatocellular carcinoma

Research reveals GPC3's association with MMPs and growth signaling molecules in HCC, indicating its potential role in cancer progression. Overexpression of GPC3 is correlated with altered expressions of various MMPs and growth signaling molecules, suggesting its involvement in tumor development.

CD74 serves as a survival receptor on colon epithelial cells

Researchers found that CD74 is expressed on colon epithelial cells, increasing their survival upon MIF stimulation. Stimulation of CD74 led to Akt phophorylation and Bcl-2 expression, resulting in elevated cell survival. This discovery may open a new target for colorectal cancer research.

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.

How to detect malnutrition in patients effectively?

Researchers found that albumin and serum protein parameters are less sensitive than anthropometric measurements for evaluating nutritional status in gastric cancer patients. However, a good correlation was observed between scoring nutritional assessment tools and other general nutritional measurement tools six months after surgery.

Functional magnetic resonance imaging to evaluate pancreatic cancer

Researchers developed functional magnetic resonance imaging (MRI) to evaluate pancreatic cancer models, using diffusion-weighted and transcatheter intraarterial perfusion MRI to differentiate living from dead cells. This non-invasive method may replace invasive techniques like biopsy or necropsy for assessing therapeutic efficacy.

Proton pump inhibitors are a risk factor for C. difficile reinfection

Research found that proton pump inhibitors (PPIs) are a risk factor for Clostridium difficile-associated diarrhea (CDAD) recurrence. The study, published in the World Journal of Gastroenterology, identified age, low serum albumin levels, and PPI use as risk factors for CDAD recurrence.

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.

Vanishing bile duct syndrome secondary to anti-retroviral therapy in HIV

A case report describes a rare instance of vanishing bile duct syndrome (VBDS) secondary to nevirapine use in an HIV-positive pregnant female. The patient experienced liver dysfunction, jaundice, and itching after starting triple-drug therapy with nevirapine. Liver biopsy revealed cholestatic hepatitis, leading to severe ductopenia and...

Misuse of anesthesia could cause hepatitis virus transmission

A new study published in Gastroenterology highlights the risk of hepatitis B and C virus transmission through contaminated anesthesia. Reuse of syringes and medication vials without proper sterilization can lead to viral transmission, emphasizing the need for strict adherence to sterile techniques in healthcare settings.

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.

Is biopsy avoidable on diagnosis of celiac disease?

A new diagnostic standard based on serology alone could eliminate the need for intestinal biopsy in diagnosing celiac disease. The study finds that combinations of two serology tests can accurately diagnose or rule out the disorder in over 92% of individuals.

Intrahepatic clear cell cholangiocarcinoma

A case report describes a rare instance of intrahepatic clear cell cholangiocarcinoma, highlighting its distinct characteristics and low risk of metastasis. The cancer's unique cell structure and lack of mucin production set it apart from conventional HCCs.

A risk factor of gallstone formation after radical gastrectomy

A study published in the World Journal of Gastroenterology found that patients with the X+ allele of the APOB gene have a higher incidence of gallstone formation after radical gastrectomy. This is due to increased levels of TC and LDL, leading to bile cholesterol saturation and an increased risk of gallstones.

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.

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.

Endoscopic findings of cytomegalovirus gastritis

A study published in the World Journal of Gastroenterology revealed endoscopic findings of CMV gastritis in seven patients after allo-SCT, with oozing, erosion, and redness more frequently documented in these cases. The researchers suggest using erosion and oozing as early markers for CMV gastritis diagnosis.

Surveillance colonoscopy should be targeted to high-risk patients

A new study suggests that targeted surveillance colonoscopy is cost-effective and effective in reducing colorectal cancer burden. The study recommends a 3/10 strategy of colonoscopy every three years for high-risk patients, which is more effective than no surveillance but slightly more costly.

Meta Quest 3 512GB

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

Neonatal diarrhea

A nationwide study published in the World Journal of Gastroenterology found that diarrhea is a relatively uncommon but insidious condition underlying various illnesses in neonates. The study highlights the importance of recognizing rare chronic cases and advocating specific guidelines for managing diarrheal disorders in neonates.

Huge pelvi-abdominal malignant inflammatory myofibroblastic tumor

A rare case of a huge, extraperitoneal, and highly vascularized pelvic-abdominal mass with rapid recurrence was documented in a 14-year-old boy. The study highlights the importance of considering inflammatory myofibroblastic tumor (IMT) in the differential diagnosis of large central necrosis and prominent peritumoral vascularity.

Blueberry ameliorates hepatic fibrosis

Research found that blueberries reduced liver damage and inflammation in laboratory animals with hepatic fibrosis. The study suggested that consuming blueberries may be beneficial for people with liver diseases, including fibrosis.

A nutritional supplement for treating chronic hepatitis C: Viusid

A randomized clinical study published in World Journal of Gastroenterology found that Viusid reduces lipid peroxidation products and has immunomodulatory effects on cytokine secretion. The study suggests Viusid as a potential strategy for treating patients with chronic hepatitis C who have failed previous antiviral treatment.

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.

Intrahepatic clear cell cholangiocarcinoma

A rare case of intrahepatic clear cell cholangiocarcinoma was reported in a Japanese man with hepatitis B virus (HBV) infection. The cancer cells were larger than usual and lacked mucin, differing from conventional ICC cases.

Use of local anesthetics in the treatment of inflammatory bowel disease?

Researchers found some improvement in macroscopic inflammation with local anesthetics, but microscopic findings did not support these results. Local anesthetics may have potential therapeutic effects on inflammatory bowel disease based on their ability to reduce neuronal activity and subsequent inflammation.

A risk factor of gallstone formation after radical gastrectomy

A study published in World Journal of Gastroenterology found a significant link between gallstone formation after radical gastrectomy and the X+ allele of the APOB gene. Patients with this allele had higher levels of TC and LDL, leading to increased saturation of bile cholesterol and gallstone formation.

Can eGFR be a routine preoperative renal function test?

Researchers found eGFR to be equally valuable as Ccr for assessing preoperative renal function in gastric cancer patients, with significant correlations between postoperative sCr and both eGFR and Ccr. The study suggests eGFR may replace Ccr in clinical practice due to its clear advantages.

Fluke 87V Industrial Digital Multimeter

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

Disagreement on symptom-reflux association analysis parameters in infants

A study found that three commonly used symptom-reflux association analysis (SAA) parameters often disagree on diagnosing gastroesophageal reflux disease (GERD) in infants. The results show a significant discrepancy between the parameters, highlighting the need for a combination of diagnostic methods to accurately diagnose GERD in infants.

Reducing niacin intake can prevent obesity

A recent study found that reducing niacin intake can lead to improved glucose metabolism and reduced appetite in individuals with obesity. The research team also discovered a significant correlation between increased per capita niacin consumption and rising obesity rates among US children and adolescents.

Duodenocaval fistula

A case report highlights the diagnostic significance of computed tomography (CT) and magnetic resonance imaging (MRI) for duodenocaval fistula (DCF). Noninvasive CT and MRI are suggested as a first-line investigation for diagnosis, improving patient outcomes.

Which esophageal stent is more effective, Ultraflex or Choostent?

A study published in the World Journal of Gastroenterology investigated the effectiveness, safety, and outcomes of two popular esophageal metal stents: Ultraflex and Choostent. The results showed that both types of stents provided good palliation of dysphagia in patients with inoperable esophageal carcinoma.

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.