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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

Fighting two infections at once

A study found that hepatitis C treatment with direct-acting antivirals (DAAs) improves immune function in individuals co-infected with HIV and HCV, even in those with advanced liver disease. The treatment resulted in significant declines in inflammation and liver damage markers.

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.

Autoimmune hepatitis associated with other autoimmune diseases

Autoimmune hepatitis is often associated with other autoimmune conditions, including thyroid disease, type 1 diabetes, inflammatory bowel disease, and rheumatologic disorders. The study highlights the need for precise diagnostic criteria and interdisciplinary management strategies to optimize outcomes in patients with multi-organ autoi...

Apple iPhone 17 Pro

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

Khat-associated autoimmune hepatitis

This review synthesizes current knowledge on khat-associated autoimmune hepatitis, establishing a causal link and guiding clinical management. Khat use disrupts immune tolerance, leading to a chronic inflammatory state and the development of AIH-like phenotype in susceptible individuals.

We should treat more people with hepatitis B, experts say

Researchers argue that hepatitis B treatment should be expanded to include more people, as current drugs are safe and effective in slowing disease progression and reducing transmission. By treating more people earlier, the net disease and death rate can be significantly reduced.

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.

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.

The gut microbiota in elderly patients with acute hepatitis E infection

The study found that elderly patients with acute hepatitis E infection have distinct gut microbiota compositions compared to healthy controls. The relative abundance of Bacteroides fragilis was significantly associated with disease outcomes, including self-healing and non-self-healing cases. This suggests a potential role for Bacteroid...

Finding suggests treatment approach for autoimmune diseases

Researchers have developed a novel treatment approach for autoimmune diseases by engineering a protein that holds closely together two signaling complexes on T cells, shutting down those T cells in a limited way. This approach shows promise for treating conditions such as Type-1 diabetes and multiple sclerosis.

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.

Multiple testing for infectious diseases key to cutting onward transmission

A new study found that routine testing for multiple infectious diseases among migrants can identify key infections earlier, improving health outcomes and reducing onward transmission. The Leicester screening programme, which tested 4004 migrant patients, revealed new diagnoses of TB, Hepatitis B and C, and HIV.

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.

Hepatitis E vaccination is effective in an epidemic

Researchers from UNIGE-HUG Centre and MSF successfully demonstrated the effectiveness of a hepatitis E vaccine in an outbreak in Bentiu, South Sudan. The study showed that two doses of the vaccine reduced the incidence of the disease and provided protection against severe symptoms.

Fluke 87V Industrial Digital Multimeter

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

When hepatitis E viruses attack nerve cells

Hepatitis E viruses can directly infect nerve cells, which are unable to protect themselves due to a low immune response. This discovery may explain the neurological effects of HEV infections.

Advances in the treatment of autoimmune hepatitis

Recent advancements in AIH pathogenesis have paved the way for novel therapeutic strategies, including treatments targeting the gut-liver axis and immune system dysregulation. Emerging biologics and immune-modulating drugs show promise in achieving biochemical remission in refractory cases.

Unraveling the link between hepatitis and kidney damage

Researchers from the University of Zurich have discovered a link between hepatitis E and kidney damage, finding that viral envelope-antibody complexes can accumulate in kidney filters and cause glomerulonephritis. The study uses tissue samples from patients to understand the disease mechanism.

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.

Pigs may be transmission route of rat hepatitis E to humans

Researchers at Ohio State University discovered that a strain of rat hepatitis E can infect and spread among pigs, raising concerns about the potential transmission of the virus to humans. The study found that infected pigs shed the virus in their feces, highlighting the need for improved food safety procedures.

Meta Quest 3 512GB

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

Study suggests hepatitis E may be a sexually transmitted infection

Researchers at Ohio State University discovered the hepatitis E virus is associated with sperm in pigs, suggesting a possible link to male infertility and sexual transmission. The virus was found to circulate in blood and shed in feces, with viral particles present on the head of sperm cells that can infect human liver cells.

How human derived RNA fragments help the Hepatitis E virus

Researchers analyzed virus populations from a chronically infected patient and found that human-derived RNA fragments helped the virus replicate better in cell culture. The incorporation of host RNA into the viral genome may serve as a biomarker for early detection of chronic infections.

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.

Study examines medical mystery of child hepatitis outbreak

A University of Sydney study sheds light on the 2022 child hepatitis outbreak, finding that 'helper virus' infections were likely the cause. The study reveals that over 3,000 cases were reported globally, with six percent requiring liver transplants.

Detecting hepatitis viruses in wastewater

Researchers detected nearly 73% of hepatitis E virus RNA in wastewater samples from sewage treatment plants. High-throughput sequencing revealed genetic variants that could indicate drug resistance, posing a challenge for treatment.

Celestron NexStar 8SE Computerized Telescope

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

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.

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.

Discovery of a circovirus involved in human hepatitis

Researchers identified HCirV-1 in a patient with unexplained chronic hepatitis, demonstrating its role in liver damage. After treatment, the patient's liver enzymes returned to normal levels, indicating the end of hepatic cytolysis.

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.

New treatment principle for chronic hepatitis B and D infections

Researchers have developed a new treatment principle that combines DNA-based and protein-based vaccines to stimulate the immune system against both hepatitis B and D viruses. The treatment has been shown to protect cultured cells against HBV and HDV infection, producing high levels of neutralizing antibodies and T-cells.

How hepatitis E tricks the immune system

Researchers discovered a mutated form of the hepatitis E virus that produces non-infectious particles but can bind antibodies, potentially giving the virus an advantage. The study found that one mutation affects the capsid protein and leads to smaller, non-infectious particles that are correctly recognized by the immune system.

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.

Researchers make new discoveries about severe alcoholic hepatitis

Researchers have identified two distinct phenotypes of inflammatory cell infiltration in severe alcoholic hepatitis, suggesting separate mechanisms driving liver injury and failure. These findings could lead to personalized treatment approaches, such as identifying patients who are more or less likely to respond to steroid therapy.

Study analyzes Hepatitis E virus exposure in Iberian lynxes

A study analyzed the exposure to Hepatitis E Virus in Iberian lynxes, finding a higher risk of infection in captive animals compared to those in the wild. The study found seroprevalence rates of 33% in captive populations and 7% in free-ranging populations.

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.

Chemically modified plant compounds work against hepatitis E virus

Researchers from Ruhr-University Bochum have identified modified plant compounds that can effectively inhibit the replication of the hepatitis E virus. The study found that these compounds, known as rocaglates, have a stronger effect than natural ones, with some showing inhibition at concentrations as low as 0.5 nanomolar.

Researchers identify factors that contribute to alcoholic liver disease

A novel study has identified metabolic defects, impaired protein secretion, and altered phosphoproteomic signatures in alcohol-associated cirrhosis and hepatitis. These findings may lead to the development of new diagnostic and therapeutic approaches for a disease with limited treatment options.

Journal of Hepatology COVID-19 news brief

Research in the Journal of Hepatology suggests that COVID-19 vaccines are unlikely to cause liver injury, but liver transplant patients may experience delayed care due to the pandemic. The study found that vaccinated patients with liver disease had a lower antibody response compared to healthy patients.