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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

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.

Higher dose of Gleevec leads to increased remission in CML patients

A higher dose of Gleevec was found to lead to increased remission in patients with chronic myeloid leukemia (CML), with 28% of patients achieving complete molecular response after 18 months. The treatment showed improved results over time, with a significant reduction in disease progression.

Leading the way in novel anti-cancer research

AstraZeneca scientists have discovered selective and potent inhibitors of Aurora kinase activity that may have potential application in human cancer treatment. New pre-clinical research presents a combination of vascular targeting agents with EGFR tyrosine kinase inhibitors, showing greater anti-tumor activity than either agent alone.

UCLA study looks at life after breast cancer

A UCLA study has found that younger women with breast cancer often experience persistent energy loss and psychological difficulties, despite overall good quality of life. The study highlights the need for targeted interventions to support these subgroups.

New guidelines on unrelated marrow transplants: A roadmap for physicians

The new guidelines call for searches within the National Marrow Donor Program registry conducted by histocompatibility specialists, with patients HLA typed to a high degree of resolution. High-resolution HLA typing is essential for all transplant patients, and the guidelines encourage considering transplants even without a perfect match.

Apple iPhone 17 Pro

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

Beckman Laser Institute to improve breast cancer detection

Researchers at the Beckman Laser Institute are developing a laser-based technology to detect and analyze tumors, providing detailed information on blood, fat, and water composition. The center aims to transform this cutting-edge science into a versatile tool for cancer research.

New research links lung cancer screening to accelerated rates of smoking cessation

A new study by Georgetown University Medical Center researchers found that low-dose CT screenings can accelerate smoking cessation rates by 14%, significantly higher than the national average. This promising finding suggests it's never too late to treat nicotine dependence, and further research may lead to more effective interventions.

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.

JCI Table of Contents, 1 October, 2003

Researchers at Duke University Medical Center have developed a strategy using erythropoietin to enhance heart function and prevent cell death after ischemic injury. A novel protective effect of erythropoietin has been shown in the infarcted heart, demonstrating a therapeutic window of opportunity for acute protection and long-term pres...

Academic clinical research is under threat from the EU

The EU's new clinical trial directive may hinder international collaborations, leading to delays in cancer treatment development. This could result in patients being deprived of life-saving treatments, as the effectiveness of new drugs would be determined solely by pharmaceutical industry-sponsored research.

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.

Duke to lead first comparative trial of hepatitis C therapies

A new clinical trial led by Duke University aims to compare the efficacy of two pegylated interferon treatments for hepatitis C virus. The IDEAL trial will enroll 2,880 patients and determine which treatment results in a sustained viral response in the largest proportion of patients.

Data supports extremely early intervention for multiple sclerosis patients

The study found that initiating Avonex treatment immediately after MS symptoms appeared reduced the development of clinically definite MS by 35% and relapses by 48% compared to delayed initiation. Early intervention also led to higher likelihood of being classified as clinically stable between years four and five.

New clinical research study evaluates novel cell therapy

The STEPS study evaluates the safety and efficacy of Spheramine, a cell therapy that produces levodopa to enhance dopamine production in the brain. The study aims to provide a new method for Parkinson's patients to achieve continuous control of motor function.

Powerful new method helps reveal genetic basis of cancer

Researchers developed a powerful new method called ROMA to compare normal cell DNA with breast cancer DNA, revealing chromosomal amplifications and deletions involved in breast cancer. The study also found large copy number polymorphisms in healthy cells that may underlie human traits.

Battle of the DNA bulge may help thwart cancer

Researchers at the University of Houston are studying DNA transcription errors called bulges, which can lead to cancer. The team hopes to understand how these mistakes are recognized and repaired by the body's 'spellcheckers' to develop more effective cancer treatments.

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.

Hypnosis doesn't improve pain relief strategies

Researchers found that hypnosis did not provide better pain relief compared to non-hypnotic treatments. The amount of pain relief experienced was largely due to participants' expectations from the therapy, according to the study's lead author.

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.

Is there a way to derail the children's 'Allergy March'?

Early detection and treatment of allergies can prevent serious complications and modify the progression of pediatric allergies. A specific IgE blood test can accurately diagnose atopy and guide treatment, including avoidance therapy and medication.

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.

Lombardi Cancer Center receives $7 million

The Lombardi Cancer Center will investigate how drinking affects breast cancer risk, focusing on estrogens, free radicals, and gene mutations. The center aims to improve public health recommendations and inform individual lifestyle choices.

Scientists identify genetic link between cancer and aging

Researchers found that MYC binds to the WRN gene promoter, activating WRN expression and promoting cellular senescence in tumor cells. This discovery suggests a potential therapeutic target for cancer treatment by inhibiting WRN in MYC-induced tumor cells.

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.

Meta Quest 3 512GB

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

MR accurate in detecting residual disease following lumpectomy

A study found that MR imaging identified 86% of residual disease, outperforming mammography in detecting disease near the lumpectomy site. The imaging modality was also most accurate in identifying disease in different quadrants than the original tumor site.

Modified adenovirus offers new approach to treating aggressive brain tumors

A modified adenovirus, Delta-24-RGD, has shown improved infectivity and replication efficiency compared to the unmodified Delta-24. This leads to increased cytopathic effects and prolonged survival rates in mouse models of human glioma. The authors conclude that Delta-24-RGD may be an effective agent in treating gliomas.

Common thyroid cancer gene mutation found

Researchers at Johns Hopkins Medicine discovered a BRAF gene mutation in 68% of papillary thyroid cancers, which can be challenging to distinguish from benign conditions. This mutation causes continuous cell growth and division, leading to cancer.

Fluke 87V Industrial Digital Multimeter

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

Uninsured patients pay more but get less in cancer treatment

A study of 1,383 cancer patients found that uninsured patients paid more for healthcare services but received significantly fewer treatments and services compared to insured patients. The disparity was attributed to various factors, including age at diagnosis and insurance coverage by race and ethnicity.

Experts outline reasons why headache treatment fails

The American Academy of Neurology identifies five categories of reasons for treatment failure in headache patients. Incomplete or incorrect diagnoses are the most common reason, followed by unaddressed factors that exacerbate the headache. The experts also highlight inadequate medication regimens and lack of non-drug treatment options ...

Physics tip sheet #34 - April 1, 2003

Researchers are investigating new methods to combat cancer growth through computer models and cytotoxic treatments. They also discovered that a process called Auger emission can cause electrons to be emitted in well-defined directions by single molecules, leading to potential breakthroughs in physics research.

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.

Researchers develop first mouse model of epithelial ovarian cancer

Researchers at Fox Chase Cancer Center developed a transgenic mouse model of epithelial ovarian cancer, allowing scientists to study the disease's progression from early stages. The model has the potential to facilitate advances in early detection and treatment of ovarian cancer.

Hope for innovative cervical-screening programmes in less-developed countries

A single-visit approach combining visual inspection with acetic acid wash (VIA) followed by cryotherapy shows promising results in rural Thailand, with 94% of women testing negative for VIA at one year's follow-up. The program is safe, acceptable, and feasible, achieving moderate population coverage with high satisfaction rates.

'One-stop' approach works well for cervical cancer prevention

A study published in The Lancet found that same-day testing and treatment led to high rates of compliance with recommended treatment, with 83.2% returning for a follow-up visit. The 'one-stop' approach also improved patient satisfaction, with nearly 98% saying the treatment was equal to or better than expected.

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.

Outpatient setting very safe for skin cancer surgery

A study by Duke University researchers found that outpatient Mohs micrographic surgery is safe, with a complication rate of 1.64% out of 1,343 procedures performed in 2000. The results counter concerns raised by lobbyists and policymakers about the safety of outpatient surgeries.

Combination hormone therapy raises women's stroke risk

A recent study found that combination hormone therapy increased the risk of stroke in postmenopausal women, including those with and without high blood pressure. The therapy was found to be ineffective for primary prevention of cardiovascular disease and heart attack.

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.

Neurofibromin: It's so degrading

The discovery of neurofibromin regulation may help develop targeted therapies to block neurofibromin degradation in NF1 patients and treat cancers with amplified Ras activity. Nf1 heterozygous cells show increased sensitivity to growth factors, suggesting even diminished neurofibromin levels can affect normal cell behavior.

Other highlights of the February 5 JNCI

Researchers found that selenium supplements reduced DNA damage in elderly male dogs' prostates, potentially benefiting aging prostate health. A separate study suggests a new retinoid treatment may prevent lung cancer in former smokers by restoring RAR-ß expression and reducing squamous metaplasia.

Topical oxygen helps hard-to-heal wounds heal faster and better

A study by Ohio State University found that topical oxygen therapy significantly improved healing rates for difficult-to-treat wounds, including diabetic hand ulcers and bedsores. The therapy, which involves applying pure oxygen to the wound, showed a 75% healing rate for acute traumatic injuries.

JCI Table of Contents, January 2, 2003

Researchers found that nicotine stimulates lung epithelial cells to activate a molecular pathway promoting cell growth and survival. This activation undermines the body's natural defense mechanism against cancer. The study suggests reconsidering the risk-benefit ratio of nicotine-based quitting aids.

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.

Nicotine - Worse than we thought?

Research reveals nicotine activates Akt survival pathway, undermining programmed cell death in lung cancer cells. This finding may lead to re-evaluation of quitting-aids' benefits.

Combination hormone therapy associated with increase in breast density

A recent study published in the Journal of the National Cancer Institute found that combination hormone therapy was associated with a 3-5% increase in breast density, while estrogen alone had no effect. This suggests that increased breast density may be a valid marker for the effect of interventions on breast cancer risk.

Cancer specialists in disagreement about purpose of clinical trials

A survey of 1,120 cancer physicians reveals substantial differences in views about the purpose of clinical trials. Pediatric oncologists are more likely to enroll patients in trials for state-of-the-art treatment, while other specialties prioritize scientific advancement and future patient care.