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

Apple iPhone 17 Pro

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

Chronic hepatitis C infection in a patient with bone marrow hypoplasia

A patient with bone marrow hypoplasia contracted HCV through blood transfusion, yet maintained normal liver function despite high serum ferritin levels. The study highlights the complex relationship between HCV infection and immune status, suggesting potential for extra-hepatic manifestations such as arthritis and vasculitis.

A new therapeutic option for human hepatocyte cancer

A new therapeutic option for human hepatocyte cancer has been identified, leveraging parvovirus H-1 oncolytic therapy. The treatment targets p53-deficient tumors and induces apoptosis, potentially overcoming resistance to genotoxic agents.

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.

Is electrocautery shovel a safe and feasible tool in laparoscopic operation?

Research suggests that electrocautery shovel is a viable alternative to ultrasonically activated scalpel in laparoscopic rectal cancer operations, achieving similar clinic effects while reducing costs. The study's findings support the use of electrocautery shovel in laparoscopic surgery with proper technique and anatomical understanding.

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.

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.

A promising endoscopic technique for rectal carcinoids

A new endoscopic technique using EMR-L with 3D-EUS has shown promising results in the complete resection of rectal carcinoids. The study demonstrated a significantly higher rate of complete resection compared to traditional EMR-L alone, with a vertical resection margin also increasing.

Side effects of monotherapy with lamivudine

Four patients with pre-exposed lamivudine resistance experienced rapid re-emergence of YMDD mutations and significant viral rebound after lamivudine re-treatment. Sequential administration of lamivudine is discouraged in these cases.

Is endoscopic ultrasound a better choice for staging of gastric cancers?

A meta-analysis of 22 studies found that endoscopic ultrasound (EUS) is highly accurate in staging gastric cancer, with higher sensitivity and specificity for advanced disease. EUS can help determine the most appropriate treatment approach for patients with gastric cancer, including curative or palliative therapies.

Celestron NexStar 8SE Computerized Telescope

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

A case of false positive octreoscan in Crohn's disease

A case of false positive octreoscan in Crohn's disease was reported in the World Journal of Gastroenterology, highlighting a potential misdiagnosis. The study found that immunohistochemical studies did not reveal somatostatin receptors in the sample, and no explanation for the abnormal uptake was determined.

What contribute to the biological behaviors of gastric carcinomas?

Claudin-1 expression transformation is positively correlated with gastric carcinoma invasiveness and metastasis. The study found that the transformed rate of claudin-1 expression significantly relates to the degree of differentiation and depth of invasion in gastric carcinomas.

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.

What's the main risk factor of gallstone disease?

The study found that increasing age, BMI, and concomitant diseases are predictors of gallstone disease in males and females. Pain in the right hypocondrium or epigastrium is the only symptom associated with GD, and symptom severity increases as a function of the natural history of the disease.

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.

Can Taurine be a potent antioxidant drug in the future?

Researchers found taurine to significantly decrease organelle injury scores and improve hepatocyte recovery in experimental liver fibrosis. Taurine's ultrastructural changes were also correlated with light microscopy findings, suggesting its potential as an antioxidant drug.

How to treat steroid-naive ulcerative colits patients efficiently?

Researchers found 61.1% of steroid-naive UC patients entered remission after leukocytapheresis sessions, suggesting its efficacy as a second-line treatment. Endoscopic findings can predict the treatment's success, making LCAP a suitable option for moderately active UC patients.

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.

hefA plays an important role in multidrug resistance of Helicobacter pylori

A study published in World Journal of Gastroenterology found that HeF A expression levels are significantly higher in multidrug-resistant strains of H. pylori compared to their susceptible counterparts. The HeF A mutant was more susceptible to four out of ten antibiotics, confirming its role in multidrug resistance.

A rare case of inflammatory myoglandular polyp

A rare case of lobulated-type inflammatory myoglandular polyp (IMGP) in the ascending colon was reported. The patient experienced hematochezia and was successfully treated with endoscopic polypectomy, showcasing the importance of early diagnosis and treatment.

How to prevent liver damage induced by anti-tuberculosis treatment?

Researchers tested two Ayurvedic herbs, Curcuma longa and Tinospora cordifolia, in a clinical trial to evaluate their ability to prevent hepatotoxicity. The results showed that the formulation was safe and effective in preventing liver damage, with only 0.06% incidence of mild hepatotoxicity compared to 14% in the control group.

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.

A new diagnostic tool for colorectal cancers prognosis

BAMBI overexpression is correlated with aggressive tumor phenotypes and predicts tumor recurrence in CRC. A new active monoclonal anti-BAMBI antibody may offer improved survival for CRC patients and serve as a diagnostic tool.

How to prevent halothane hepatitis in Iran?

A recent study on halothane hepatitis in Iran found that a large percentage of cases could have been avoided by following strict guidelines. The researchers suggested avoiding halothane use in female patients with a history of surgery or delivery under general anesthesia to reduce the risk of HH.

A new combined treatment of biliary cast syndrome

A new study combines endoscopic treatment with ursodeoxycholic acid to effectively treat non-transplant patients with biliary cast syndrome. The approach led to normalization of liver function tests and improved symptoms in a 76-year-old diabetic patient.

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.

What is sign for progressive of colorectal carcinoma?

Research found that high alpha-catenin expression is associated with increased lymph node involvement and progressive disease in colorectal cancer. Alpha-catenin also showed distinct patterns in tumors of different colon locations, highlighting differences in molecular pathways between proximal and distal colon cancers.

How to treat gastroesophageal adenocarcinom patients?

A study found that community-based use of treatment for US gastroesophageal adenocarcinoma varies depending on clinical and non-clinical factors. Chemotherapy and chemoradiation are associated with improved survival rates, while anatomic site differentiation is crucial for effective treatment.

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.

A breakthrough in contrast-enhanced intraoperative ultrasonography

Researchers have developed a new microbubble agent, Sonazoid, that enhances the sensitivity of contrast-enhanced intraoperative ultrasonography (CE-IOUS) for detecting occult liver lesions in patients with colorectal cancer. CE-IOUS using Sonazoid allows for longer imaging times and improved detection of metastases during hepatectomy.

Pneumatosis cystoids intestinalis after fluorouracil chemotherapy

Fluorouracil-related pneumatosis cystoides intestinalis is a newly reported case. The mechanism of this condition is unclear but may be related to altered mucosal blood flow and bowel toxicity. Researchers highlight the need for clinicians to monitor patients for potential complications during fluorouracil chemotherapy.

Fluke 87V Industrial Digital Multimeter

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

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.

A potential approach to treatment of hepatitis B virus infection

Researchers investigated DNA damage response pathway in HBV infection and replication, finding ATR-dependent activation triggered by HBV infection. The study suggests targeting specific cellular factors for inhibition or restoration of p21 expression as potential therapeutic strategies.

How do Lactobacilli treat Helicobacter pylori-related diseases?

Research shows Lactobacillus bulgaricus can prevent H. pylori lipopolysaccharide-activated TLR4 pathway, reducing IL-8 production and promoting gastric epithelial cell survival. The study suggests a novel relationship between probiotics and pathogenic bacteria in regulating inflammatory responses.

Study confirms colorectal cancer screening should start at age 50

A new study confirms that colorectal cancer screening should begin at age 50, with colonoscopies being the most effective method for preventing the disease. The study found that the prevalence of colorectal polyps increases sharply after age 50, and African Americans have a higher rate of right-sided polyps.

Choice of hospital impacts outcomes for inflammatory bowel disease surgery

A new study by researchers at the Medical College of Wisconsin found that high-volume hospitals for inflammatory bowel disease (IBD) surgery have significantly lower in-hospital mortality rates and shorter post-operative hospital stays. Additionally, there was no increase in length of stay or hospitalization costs in these centers.

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.

Is laparoscopic biliary tract reoperation feasible and safe?

A recent case report indicates that laparoscopic biliary tract reoperation is a safe and viable option for patients with choledocholithiasis who have failed or are contraindicated for endoscopic sphincterotomy. The procedure appears to be feasible when performed by experienced laparoscopic surgeons.

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.

A potential route for human tumor gene therapy

Researchers investigated using gene therapy to inhibit NHE1 in human gastric carcinoma cells, leading to apoptosis of tumor cells. The study found that inhibition of NHE1 reduced malignant phenotypes and restrained tumor cell survival.

What roles does TSP-1 play in liver fibrogenesis?

Thrombospondin 1 (TSP-1) expression correlates with the progression of fibrosis and angiogenesis in experimental cirrhosis. The study suggests that TSP-1 may contribute to wound healing response to liver injury by inducing angiogenesis.