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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

2010 AAO-HNSF miniseminars: Tuesday, Sept. 28, 2010

The AAO-HNSF miniseminars discussed presbycusis, a growing concern for older adults with hearing loss. The researchers also presented new medullary thyroid cancer guidelines, highlighting the need for familiarity with unique diagnostic and treatment paradigms. Additionally, safety concerns in pediatric ambulatory surgery were emphasized.

Partners of breast cancer patients are at risk of developing mood disorders

A new analysis reveals that male partners of women with breast cancer are at a significantly higher risk of developing severe mood disorders requiring hospitalization. The study found a 39% increased risk of being hospitalized with an affective disorder among men whose partners had breast cancer, compared to those without.

Declining breast cancer incidence in Canada with declining HRT usage

A study analyzing Canadian data shows a decline in breast cancer incidence among postmenopausal women as hormone therapy prescriptions fell. The decline, which coincided with a drop in hormone replacement therapy use, suggests that HRT may be linked to an increased risk of breast cancer.

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.

Physical limitations of breast cancer survivors

A study found that breast cancer survivors with functional limitations affecting motion, strength, and dexterity are at risk of dying from other causes, but not breast cancer recurrence. The study highlights the importance of addressing physical limitations in cancer survivorship plans.

Stroke gene discovered

Researchers have discovered that an enzyme called NOX4 produces hydrogen peroxide after a stroke, leading to nerve cell death. Inhibiting this enzyme with a new drug reduces brain damage and preserves brain functions in mice with stroke.

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.

Mechanism behind demethylation pinpointed in APC gene mutants

Scientists at Huntsman Cancer Institute link loss of Apc to DNA demethylase, a system that erases DNA methylation. This system stalls normal intestinal cell development, leading to stem cell-like cells. Inhibition of the demethylase restores normal development and provides new opportunities for colon cancer treatment.

'Hi-JAK-ing' cancer by inhibiting Jak2

Researchers describe an indirect approach to reducing JAK2 activity by pharmacologically targeting HSP90. Inhibiting HSP90 normalized blood counts and improved survival in two mouse models of MPN, promoting JAK2 degradation in samples from patients with the disease.

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.

JCI online early table of contents: Sept. 13, 2010

Researchers discovered an indirect approach to reducing JAK2 activity by targeting HSP90, which stabilized JAK2. This treatment normalized blood counts and improved survival in mouse models of myeloproliferative neoplasms. Inhibiting c-Met also decreased mTOR signaling and blocked cyst formation in a mouse model of autosomal dominant p...

Improvement in prediction of blood clots in cancer patients

A new risk prediction model for venous thromboembolism (VTE) in cancer patients has been developed, incorporating two new biomarkers. The model improves the classification of patients into different risk categories, with a significant increase in accurate predictions of VTE development.

Apple iPhone 17 Pro

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

Mount Sinai researchers find new target to improve pain management

Researchers at Mount Sinai School of Medicine have discovered a major mechanism underlying the development of tolerance to chronic morphine treatment. They identified changes in the brain and spinal cord that occur during the development of morphine tolerance, providing a therapeutic target for preventing it.

US neurologists agree on protocols for treatment of infantile spasms

The US Neurology guidelines provide a framework for diagnosing and treating infantile spasms, with a focus on early intervention and personalized treatment strategies. The consensus among experts is that broad clinical evaluation, vigabatrin or adrenocorticotropic hormone (ACTH) as first-line treatment, and timely assessment of treatme...

Study challenges value of oxygen therapy in end-of-life care

A new study from Duke University Medical Center found that half of patients with advanced disease in palliative care settings don't benefit from oxygen therapy, and receiving pure oxygen or room air offers equal relief. The study suggests alternative methods, such as using a small fan, may be equally effective.

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.

Use the common cold virus to target and disrupt cancer cells?

Researchers at Salk Institute discover a novel mechanism by which adenovirus disables p53 in infected cells, paving the way for targeted cancer therapies. The study reveals two key proteins, E1B-55K and E4-ORF3, that work together to neutralize p53's tumor suppressor function.

Liver cells created from patients' skin cells

Scientists have created diseased liver cells from human skin samples to model a range of inherited disorders. The breakthrough could lead to personalized treatments and cell-based therapy for those suffering from liver diseases.

Celestron NexStar 8SE Computerized Telescope

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

Research could change course of treatment for cancer that spreads to bones

Researchers are investigating the effects of radiation on human bone strength to improve treatment for cancer patients with bone metastases. The study aims to establish the mechanical strength of bone before and after stereotactic radiosurgery, which has been shown to cause high fracture rates in post-treatment patients.

Breakthrough gene therapy prevents retinal degeneration

Researchers at Tufts University develop nanoparticles to deliver therapeutic genes to the retina, delaying onset of eye disease and preserving vision. The treatment, using a gene for GDNF, shows temporary but significant protection against photoreceptor cell death.

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.

Deathstalker scorpion venom could improve gene therapy for brain cancer

Scientists have developed a new approach to deliver therapeutic genes into brain cancer cells, using chlorotoxin from deathstalker scorpion venom and nanoparticles of iron oxide. This method has shown promise in inducing nearly twice the amount of gene expression in brain cancer cells compared to traditional approaches.

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.

How many nanoparticles heat the tumor?

Magnetic nanoparticles are injected into tumors to generate heat for cancer treatment. Magnetic relaxometry measures the relaxation of magnetic moments to determine particle quantity, allowing for selective tumor treatment.

UT Southwestern's cancer center earns National Cancer Institute designation

The Harold C. Simmons Comprehensive Cancer Center at UT Southwestern Medical Center has attained NCI designation, recognizing its innovative research and excellent patient care. The center will receive a $7.5 million support grant over five years to advance cancer research and provide patients access to promising new treatments.

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.

Lung cancer survivors experience long-term effects of breathlessness

A study of 342 early-stage lung cancer survivors found that nearly 60% experienced long-term dyspnea, with associated risk factors including reduced physical activity and depression. Targeting post-treatment rehabilitation strategies to improve breathlessness may be effective in improving outcomes.

TNF blockers may increase the risk of malignancy in children

A study by FDA researchers found a higher incidence of malignancy in children using TNF blockers like infliximab and etanercept. The reporting rate for U.S. cases of malignancy in children was 4-18 times the estimated background rate for the general pediatric population.

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.

Study links African ancestry to high-risk breast cancer

Researchers found that African women are more likely to develop triple-negative breast cancer, a condition characterized by the absence of estrogen and progesterone receptors. The study suggests that African ancestry may be associated with a higher risk of hereditary predisposition for breast cancer related to BRCA1 gene mutations.

Scientists devise strategy in bid to beat viruses

Researchers at the University of Edinburgh have developed a method to alter viral conditions, reducing mutation and building resistance. This approach can target multiple viruses simultaneously and is being explored for use in treating influenza.

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.

Mental health woes grow while spending declines

A new study finds that many US states are cutting mental health funding due to budget crises, while others have reduced Medicaid payments. However, a few countries are investing in stimulus-funded services to address recession-related mental health disorders, such as the UK's training of psychotherapists and nurses.

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.

New vitamin D guidelines

The new guidelines update Osteoporosis Canada's recommendations on vitamin D intake for Canadians, citing the need for more research into optimal doses and safe upper limits. The recommended daily supplements range from 400-1000 IU for adults under 50, with higher doses required for those over 50.

Mental decline thwarted in aging rats

Researchers found a compound called P7C3 that improves newborn neuron survival and reduces programmed cell death in the brain's memory hub. This discovery offers new hope for treating Alzheimer's disease by targeting the underlying neuroprotective mechanism.

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.

Hebrew University added to Singapore research program

The Hebrew University of Jerusalem has been selected to participate in the CREATE program, focusing on cellular and molecular mechanisms of inflammation. The research aims to develop diagnostic/prognostic indicators and novel therapeutics for inflammatory diseases.

Jetting off without the jet lag

A new study has identified a key role for adrenal glucocorticoids in resetting the internal body clock, a finding that could lead to new treatments for jet lag. The research also highlights the importance of timing and location in regulating circadian rhythms.

Underinsured African-American women have worse breast cancer outcomes

African-American women have more advanced breast cancer at diagnosis and poorer survival outcomes compared to non-Hispanic whites. Despite similar surgical care and adjuvant therapy, African-Americans experience lower overall and breast cancer-specific survival rates due to socio-demographic factors.

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.

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.