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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

Apple iPhone 17 Pro

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

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.

Scientists discover origin of cell mask that hides stomach cancer

Researchers at Hiroshima University discover that a layer of cells resembling normal stomach lining is produced by stomach cancer tissue itself, making it difficult to spot after Helicobacter pylori infection treatment. This finding highlights the need for continued check-ups even after H. pylori eradication.

How gastric stem cells fight bacteria

Researchers discover that gastric stem cells release a protein called intelectin 1 to bind to Helicobacter pylori bacteria, preventing damage. This mechanism is triggered by the presence of H. pylori and stimulates stem cell proliferation and tissue regeneration.

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.

Cancer prevention drug also disables H. pylori bacterium

Researchers found that the medicine DFMO not only blocks cell growth but also directly targets H. pylori to reduce its virulence. This could lead to a new strategy for preventing stomach cancer. The study supports further research into using DFMO to prevent stomach cancer.

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.

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.

Rewriting our understanding of gastric tumors

Researchers at McGill University have made a groundbreaking discovery linking stomach tumours in patients with Peutz-Jeghers Syndrome to immune system inflammation. The study suggests targeting inflammatory pathways may lead to potential new treatments for this rare genetic disorder.

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.

How accurate is breath test for diagnosis esophagogastric cancer?

A breath analysis test showed good diagnostic accuracy for esophagogastric cancer in a study of 335 patients, including those already diagnosed with the disease. The test identified abnormally regulated volatile organic compounds in the breath associated with esophagogastric cancer.

Odd one out: Protein goes against the family to prevent cancer donate

A Melbourne research team discovered that a protein called NF-kB1, which was previously thought to drive cancer development, actually plays a critical role in preventing stomach cancers. The study also found that immunotherapy may be a significant tool for treating stomach cancers driven by chronic inflammation.

Landmark genetic study better predicts stomach cancer

A new genetic study has better predicted stomach cancer risk by analyzing intestinal metaplasia, a known risk factor for the disease. The study identified biomarkers that can be used to detect patients at high risk of progression.

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.

Study prompts new ideas on cancers' origins

Researchers found that mature cells can revert to a stem cell-like state, carrying accumulated mutations that predispose them to developing into precancerous lesions. This new understanding could lead to the development of treatments targeting mature cells, potentially preventing cancer recurrence.

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.

Are stem cells the link between bacteria and cancer?

Researchers have found that Helicobacter pylori infection increases stem cell turnover in the stomach, leading to increased cell division and cancer risk. The bacteria sends a signal to stem cells, putting them into overdrive, which may explain why chronic infections with H. pylori are linked to stomach cancer.

Telomere length predicts cancer risk

A study published in the AACR Annual Meeting found that longer-than-expected telomeres are associated with an increased risk of cancer. The research analyzed blood samples from over 28,000 Chinese people and found a significant link between telomere length and cancer incidence.

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.

Lifetime weight gain linked to esophageal and stomach cancers

A recent study found that people who gained weight over their lifetime were more likely to develop esophageal and stomach cancers. The researchers analyzed data from over 400,000 people and discovered that those who became obese after a healthy weight had nearly tripled the risk of developing these cancers.

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.

Cancer in context: 37 years of painstakingly collected data

The USC Cancer Report Card highlights the decline of prostate and lung cancer among men, while stomach cancer is on the rise globally. Breast cancer risk increases for women, particularly Korean women, due to westernized lifestyles. The report also shows that many cancers are preventable and curable if caught early.

New genetic cause of gastric and prostate cancer identified

Researchers at Hiroshima University have linked stomach (gastric) and prostate cancer to a specific type of DNA called T-UCRs. The study identifies a potential regulatory pathway of stomach (gastric) cancer, providing new insights into cancer genetics.

Cancer in China

A new report estimates 4.3 million new cancer cases and 2.8 million deaths in China in 2015, with lung cancer the leading cause of cancer death. The study highlights the need to reduce risk factors and improve clinical care delivery to prevent avoidable cancer deaths.

Men in China face increasing tobacco-related cancer risks

Men in China face increasing tobacco-related cancer risks due to high cigarette smoking rates among teenagers and continued use in adulthood. The country now produces and consumes nearly 40% of the world's cigarettes, primarily driven by men's smoking habits.

Celestron NexStar 8SE Computerized Telescope

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

miR-7 suppresses stomach cancer

Researchers found that miR-7 directly targets and suppresses the activity of growth factor receptor IGF1R, as well as the pro-oncogenic NF-κB pathway. Increasing miR-7 levels reduced tumor growth in mice and correlated with improved patient survival.

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.

Medical professional liability claims and esophageal cancer screening

A study analyzing medical professional liability claims related to esophageal cancer screening found that the risks of claims arising from acts of commission and omission are similarly low. The authors suggest that physicians balance the risk of complications from diagnostic procedures, even if those complications are rare.

Aspirin: Scientists believe cancer prevention benefits outweigh harms

Taking aspirin daily for at least 10 years can significantly cut the risk of major digestive tract cancers. Rates of bowel, stomach, and oesophageal cancer are reduced by around 35% and deaths by 40%, according to a new study. However, long-term use increases the risk of bleeding and other side effects.

New view of stomach cancer could hasten better therapies

Scientists have identified four biological subtypes of stomach cancer based on shared mutations and molecular abnormalities, promising to guide clinical trials for improved therapies. The new classification could lead to targeted treatments for aggressive cancers with a high five-year survival rate below 25 percent.

Fluke 87V Industrial Digital Multimeter

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

Swallowing a diagnostic pill

Researchers have developed a tiny capsule that can detect occult blood in the stomach at very low levels, enabling early diagnosis of stomach cancer. The device is non-toxic and acid-safe, and has been shown to be reliable and simple to use.

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.

Cancer biggest killer of Hispanic Texans

Cancer is the leading cause of death among Hispanic Texans under 76, with lower rates of breast and colon cancer screenings. Despite advanced cancer stages at diagnosis, Hispanics experience higher survival rates than non-Hispanic whites.

3 subtypes of gastric cancer suggest different treatment approaches

Researchers identified three distinct molecular classifications of gastric cancer that respond differently to therapies, offering a promising new approach to treatment. The study found that tumors can be grouped into proliferative, metabolic and mesenchymal subtypes, each with unique genomic and epigenomic properties.

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.