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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

JCI online early table of contents: Nov. 6, 2008

Researchers have developed approaches to visualize eosinophils in real-time, which may help diagnose asthma and assess treatment efficacy. Additionally, genetic defects underlying two kidney conditions and a type of liver cancer have been identified, suggesting potential therapeutic targets for these diseases.

Therapy may block expansion of breast cancer cells

A new study reveals that therapy targeting cyclin D1 can block the expansion of breast cancer cells, which are involved in therapy resistance and tumor recurrence. The findings provide a potential new treatment approach for targeted therapies at cancer stem cells in humans.

Apple iPhone 17 Pro

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

Genetic predictors of esophageal cancer identified

Researchers have identified 11 single-nucleotide polymorphisms that show a significant association with esophageal cancer. Individuals with more than four unfavorable genotypes are three times more likely to develop the disease.

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.

Also in the Oct. 28 JNCI

Research found skewed X inactivation in women with BRCA1 gene mutations, associated with a later onset of breast or ovarian cancer. The Impact of Cancer scale was also refined and validated, providing a tool to measure long-term psychosocial impact on cancer survivors.

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.

Nerve repair, biodetectors, proton therapy, microscopic medical devices

Advances in nerve repair, miniature implantable medical devices and proton therapy were showcased at the AVS 55th International Symposium. Researchers developed new technologies to print cells for artificial organs and created microscopic medical devices that can deliver drugs and monitor health.

Sun-damaged skin responds well to laser treatment

Researchers found that photodynamic therapy, combining a topical photosensitizer and laser treatment, increases collagen levels and produces other skin changes in sun-damaged skin. The treatment may be particularly effective for skin with severe sun damage.

Researchers identify Achilles heel of common childhood tumor

A team of researchers has discovered a mechanism for the rapid growth of infantile hemangioma, a common childhood tumor. The study found that endothelial cells, which line the blood vessels, are responsible for the tumors' growth and can be targeted with anti-VEGF therapy.

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 links nicotine with breast cancer growth and spread

A study published in Cancer Research found that nicotine can promote breast tumor growth and metastasis by binding to nicotinic receptors on mammary cells. The researchers also discovered that nicotine potentiates tumorigenesis when combined with other factors.

Landmark study unlocks stem cell, DNA secrets to speed therapies

Researchers at Florida State University discovered dramatic changes in DNA replication order during embryonic stem cell differentiation. The findings bridge a critical knowledge gap, enabling scientists to better understand the complex process of DNA reorganization during cell specialization.

Mayo Clinic collaborates to advance Crohn's treatment

A Mayo Clinic-led study finds that infliximab administered alone or in combination with azathioprine is more effective for moderate to severe Crohn's disease than azathioprine alone. The study demonstrates improved patient outcomes, including higher remission rates and mucosal healing.

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.

Endoscopic therapy may offer an alternative to surgery

Researchers found that endoscopic therapy was successful in treating esophageal cancer, with a 90% success rate and low recurrence rates. Patients treated endoscopically had higher survival rates compared to those who underwent surgery.

H. Pylori bacteria may help prevent some esophageal cancers

Research found that people with H. pylori strains carrying a gene called CagA were almost half as likely to get adenocarcinoma of the esophagus. The study suggests that declining rates of H. pylori in developed populations may contribute to the increase in esophageal adenocarcinomas.

Hospital delays under scrutiny by researchers at the MUHC

Researchers at the MUHC categorized timeframes involved in getting pediatric oncology patients to initial therapy, finding that it takes approximately one month to get a diagnosis from a pediatric oncologist. The study also identified disparities in treatment times based on cancer type and patient age.

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.

Where you live matters when you're seriously ill

A new report card shows that the Midwest leads in palliative care access, while Southern and for-profit hospitals struggle. States like Vermont, Montana, and New Hampshire earned top grades for their palliative care programs, while Oklahoma, Alabama, and Mississippi received F's.

Saliva proteins could help detection of oral cancer

Researchers have identified five biomarkers in saliva that can confirm the presence of oral squamous cell carcinoma with 93% accuracy. The study, led by David T. Wong and Shen Hu, demonstrates a new approach for cancer biomarker discovery using saliva proteomics.

Treatment window expanded

A new study published in the New England Journal of Medicine found that patients can still benefit from dissolving blood clots in the brain up to 4.5 hours after a stroke. The study, known as ECASS 3, involved 826 patients who received either the thrombolytic drug alteplase or a placebo, with better response rates and no increased mort...

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.

Methylation levels key to glioblastoma survival

Researchers found three subgroups of glioblastomas with varying degrees of methylation, leading to improved survival times in the subgroup with mixed levels. The study highlights the importance of methylation status in determining treatment outcomes and potential biomarkers for this disease.

Epstein-Barr virus predicts outcome in nasopharyngeal carcinoma

Researchers found that undetectable EBV DNA levels during treatment significantly reduced cancer recurrence risk, while detectable levels increased the risk of recurrence and metastasis. The study suggests using biomarker tests before and during treatment to guide clinical therapy.

Vascular marker of ovarian cancer identified

Researchers have identified TEM1 as a specific genetic marker for the vascular cells associated with tumor growth in ovarian cancer. High levels of TEM1 were correlated with decreased survival rates, making it a potential screening tool for early detection.

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.

American Urological Association releases best practice statement on cryosurgery

The American Urological Association has released a best practice statement on cryosurgery, recommending it as an option for men with clinically organ-confined prostate cancer. The panel of experts emphasized the importance of case selection and recommended maximizing results through temperature monitoring and double freeze cycles.

Physicians often miss opportunities to show empathy

A study published in the Archives of Internal Medicine found that physicians rarely responded empathically to patients' concerns about mortality, symptoms, or treatment options. The researchers identified 384 moments of

Estrogen reduces risk of fracture after menopause

A study found that estrogen therapy reduced the risk of fractures after menopause, particularly in women aged 50-64 years. The use of post-menopausal hormone replacement therapy increased greatly during this period and was estimated to cause nearly half of the decline in fracture rates among women.

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.

Prestigious nuclear medicine publication offers open online access

The Journal of Nuclear Medicine is now free and open to the public six months after publication, accelerating access to new research and advancing understanding of nuclear medicine and molecular imaging. This move reflects the journal's exceptional quality and influence as an academic and professional resource.

Multiple disease-related research gets green light from the NIH

Researchers may develop new treatments for diseases like multiple sclerosis, rheumatoid arthritis, and sepsis by understanding the role of fibrin in blood coagulation. The NIH grant will support a four-year study to identify how cytokines regulate fibrin levels.

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.

Listeriosis infection primer for health-care providers and the public

Listeriosis is a serious foodborne illness that affects healthy individuals but is life-threatening for pregnant women, the elderly, and those with weakened immune systems. In Canada, recent outbreaks linked to deli meats and cheese have prompted guidelines for symptom management and risk reduction.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

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.

PET scans lead to treatment changes in majority of colorectal cancer patients

A recent study found that positron emission tomography (PET) scans led to changes in treatment plans for more than half of patients with suspected recurrent colorectal cancer. The study, conducted at four sites in Australia, involved 191 patients and showed that PET scans identified additional disease sites in 48% of patients, allowing...

Survey: 'Tanorexia' common among university students

A study by Fox Chase Cancer Center found 27% of college students exhibit symptoms of tanning dependence, similar to substance addictions. Thinness and cigarette smoking are linked to higher rates of tanning dependence, suggesting potential avenues for prevention.

Experts to share how research is tackling cancer

Researchers at the University of California and the University of Newcastle are sharing their work on telomerase, a protein that allows cancer cells to grow. The lecture aims to improve treatment outcomes for breast cancer through early detection and prevention.

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.

Fluke 87V Industrial Digital Multimeter

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

Prototype test for predicting clinical outcome for melanoma patients

Researchers have developed a prototype test that can predict clinical outcome for melanoma patients, distinguishing between rapid and slow progression to Stage IV cancer. The test uses gene signature analysis and shows promise in identifying patient subtypes, which could improve treatment decisions and reduce clinical trial sizes.

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.