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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

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.

Editorial: Eye cancer research becomes a collaborative pursuit

Research on ocular cancer has expanded to involve well-designed, multi-center collaborative studies that help continue the advancement of knowledge in the field. These studies allow for large patient recruitment, foster field-wide agreement on terminology, and provide cost savings by avoiding duplication of efforts.

Program could help teens control asthma

Researchers develop culturally-tailored intervention program to reduce tobacco exposure, improve medication adherence and enhance attack readiness. The program has already proven useful in other populations, resulting in significant reductions in emergency department visits, hospitalizations and school absences.

'Improved doctor-pharmacist collaboration needed': study

A Canadian study found that collaborative care between family physicians and community pharmacists improved patient outcomes, including increased medication adjustments and lifestyle changes. However, the study showed no significant impact on cholesterol control.

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.

Transplant drug preserves kidneys, avoids toxicity

Belatacept, a new transplant drug, preserves kidney function while avoiding toxicity in patients, with similar graft survival rates to standard immunosuppressive drugs. The drug's side effect profile is more favorable, with lower blood pressure and cholesterol levels.

Even the boss doesn't follow the doctor's orders

A study of corporate executives found that only 68% took their cholesterol-lowering medication as prescribed. Executives who took statins were twice as likely to meet their cholesterol goals and achieved better outcomes than those who didn't take the medication, even sporadically.

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.

New studies reveal downstream processes of ion channel inactivation

Researchers at The Johns Hopkins University School of Medicine have unveiled the downstream processes of ion channel inactivation. Two studies show that Cav1.3 channels undergo distinct molecular endpoints during Ca2+-dependent and voltage-dependent inactivation, with a 'shield' mechanism repelling lid closure.

Apple iPhone 17 Pro

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

Clot-busting drugs effective in patients with unwitnessed strokes

Patients treated based on 'time last seen normal' did just as well as those with witnessed strokes, having no more disabilities and reduced risk of bleeding in the brain. Treatment within 3 hours after last seen normal may be beneficial for patients with unwitnessed strokes.

Progesterone for traumatic brain injury tested in Phase III clinical trial

A randomized, double-blind Phase III clinical trial will enroll approximately 1,140 people to test the safety and efficacy of progesterone in treating traumatic brain injuries. The trial aims to reduce mortality and long-term disability, building on promising laboratory testing and previous clinical trial results.

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.

Economic analysis: Erlotinib marginally cost-effective

Researchers found that erlotinib is marginally cost-effective for treating patients with advanced non-small cell lung cancer, with an incremental cost-effectiveness ratio of $94,638 per life-year gained. The treatment's cost-effectiveness may be improved through targeted patient selection and biomarker-guided therapy.

A primer on migraine headaches

Physicians need to educate patients about migraine triggers and lifestyle factors, such as stress, sleep schedule, and diet. Preventative therapy is often ineffective, with only 50% or more of patients experiencing a reduction in headache frequency.

Studies unclear on role of pre-surgery beta blockers

Heart specialists at Michigan Medicine call for clarity on beta blocker prescribing before surgery. Previous studies have differing methods and results, making it hard to determine who should get beta blockers and at what dosage.

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.

Drug shows promise for Huntington's disease

A clinical trial of the experimental drug dimebon found it to be safe and improved cognition in patients with Huntington's disease. The study, led by University of Rochester Medical Center neurologist Karl Kieburtz, showed statistically significant benefits for patients taking the drug compared to those receiving a placebo.

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.

Kaiser study compares AMD drugs; Global study on RVO; Vision and falls in elders

A recent study by Kaiser Permanente has compared the effectiveness of two AMD drugs, ranibizumab (Lucentis) and bevacizumab (Avastin), while a global report highlights retinal vein occlusion prevalence worldwide. Additionally, research reveals that central vision impairment significantly increases the risk of falls in older adults.

Landmark heart treatment study

A landmark study published in JAMA found that catheter ablation significantly improves quality of life and reduces symptoms of atrial fibrillation compared to drug therapy. The treatment, which destroys abnormal heart tissue, resulted in a 66% success rate for patients with no recurrent irregular heartbeats or symptoms.

PrEP treatment prevented HIV transmission in humanized mice

Researchers found that PrEP prevented rectal and intravenous HIV transmission in humanized mice with 90% protection rate. The study suggests PrEP can block multiple routes of HIV transmission, providing a promising approach to prevent new infections.

NSAIDs may be more effective than paracetamol for period pain

Research suggests NSAIDs like ibuprofen may be more effective for relieving period pain compared to paracetamol. The updated review of 73 trials involving 5,156 women found that NSAIDs are very effective for treating period pain, with some evidence suggesting they work better than paracetamol.

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.

Parkinson's: Treadmill training improves movement

Treadmill training can improve walking movements and reduce gait hypokinesia in Parkinson's patients. The systematic review found positive effects on walking speed, stride length, and walking distance but no improvement in cadence.

HIV: Positive lessons from home-based care

A Cochrane Systematic Review found that home-based nursing in HIV/AIDS patients significantly improves self-reported knowledge of HIV, awareness of medications, and self-reported adherence to medication programmes. Home-based care also had a positive impact on HIV stigma, worry, and physical functioning.

Novel personalized medicine trial launched for metastatic colorectal cancer

Researchers at George Mason University are conducting a clinical trial to treat late-stage colorectal cancer patients with tailored therapies based on their tumor's protein profile. The trial uses a novel drug target mapping technology and Gleevec, a medicine typically prescribed for leukemia and gastrointestinal tumors.

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.

Hypertension linked to dementia in older women

Research from the Women's Health Initiative Memory Study finds elevated blood pressure increases white matter lesions, a known risk factor for dementia. Maintaining normal blood pressure may help prevent brain damage and associated cognitive decline.

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.

Impact of FDA safety warnings examined

A study examines the effect of FDA safety warnings on atypical antipsychotics prescribed to patients with dementia, revealing a decline in usage among the elderly population. The findings highlight the need for improved risk communication between physicians and patients.

Researchers revisit pulmonary arterial hypertension survival

Researchers have developed a new survival prediction equation for pulmonary arterial hypertension (PAH), improving upon an outdated NIH equation. The new formula shows vastly improved survival rates, highlighting the need for accurate hemodynamic assessment.

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.

Head-to-head studies identify best treatment regimen for hepatitis C

Two head-to-head studies found that Peginterferon alpha-2a (PegIFNα2a) plus ribavirin (RBV) produces a significantly higher sustained virological response (SVR) rate than peginterferon alpha-2b (PegIFNα2b) plus RBV for patients with chronic hepatitis C. The SVR rates were 66% and 54% for PegIFNα2a and PegIFNα2b, respectively.

Experimental drug shows promise against brain, prostate cancers

Researchers at UT Southwestern Medical Center have found that an experimental drug, imetelstat, blocks telomerase activity in isolated human cells and tumor-initiating cells from glioblastoma and prostate cancer patients. The drug shows promise in fighting the diseases by inhibiting telomerase activity.

Fluke 87V Industrial Digital Multimeter

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

A silly pat on the head helps seniors remember daily med, study suggests

A study suggests that older adults can use unusual motor tasks, such as patting their heads, to reduce repetition errors in taking daily medications. The research found that participants who performed a complex motor task while taking their medication made significantly fewer mistakes than those who did not.

New ALS drug slips through telling 'Phase II' clinical trials

A new ALS drug, talampanel, has shown some ability to slow the loss of major daily life activities such as speaking, walking and dressing. The study found that talampanel slowed progression of ALS by 30 percent, according to the ALS Functional Rating Scale.

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.

Study redefines placebo effect as part of effective treatment

Researchers successfully treated psoriasis patients with a reduced dose of steroid medication using the placebo effect, improving treatment for chronic diseases. The new technique could maximize drug benefits, reduce side effects and increase patient adherence.

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.

Antidepressants cut risk of hospital readmission for suicidal youth

A new study found that antidepressant medication during inpatient treatment can significantly reduce the risk of hospital readmission among suicidal adolescents. The research also highlights concerns over the use of multiple medications in this population, which was associated with a three-fold increased risk of readmission.

Breathlessness eased in patients with rare, often fatal disease

Patients with a rare, deadly disease experienced significant reduction in breathlessness using treprostinil, shifting from Class III to Class II NYHA functional class. The treatment improved walking distance and reduced Borg scores, offering substantial improvement in daily capabilities.

Drug for Alzheimer's disease does not appear to slow cognitive decline

A new study published in JAMA found that tarenflurbil, a drug intended to reduce amyloid-β levels, showed no benefit in slowing cognitive decline or improving daily activities in patients with mild Alzheimer's disease. The researchers concluded that interventions targeting amyloid have not yet been shown to alter the course of AD.

Meta Quest 3 512GB

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

Racial differences in medication use

A study found racial disparities in medication use among elderly adults, with blacks facing higher rates of non-adherence and related problems. Blacks were prescribed fewer medications but had significantly more issues, highlighting the need for tailored strategies to improve medication quality for this group.

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.