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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

Waiting times for breast cancer diagnosis

A study of 13,958 Canadian women found that the median time from screening to first assessment was 2.6 weeks and to diagnosis was 3.7 weeks. Women with breast cancer waited shorter times than those with benign findings. However, even with expedited investigations, 10% of women with breast cancer still waited over 12 weeks for a diagnosis.

Initial treating hospital can impact breast cancer outcomes

A new study found that women treated in teaching hospitals for initial breast cancer surgery had a five-year survival rate of 93%, compared to 89% for those treated in community hospitals. Comprehensive care approaches and multidisciplinary services may contribute to these differences.

Annals of Internal Medicine, tip sheet, June 6, 2000

Researchers found that long-term anticoagulant use doesn't reduce venous thromboembolism or death after knee or hip surgery. A new study shows promise in treating scleroderma with recombinant human relaxin, reducing skin thickening and improving mobility.

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.

Queen's researchers discover cause of heart failure after surgery

Researchers at Queen's University have made a groundbreaking discovery about the cause of sudden heart failure after open-heart surgery. They found that a specific protein called troponin I is damaged, leading to cardiac stunning. This new understanding could lead to new ways of preventing and treating this specific heart problem.

Routine preoperative tests for cataract surgery are unnecessary

A study published in the New England Journal of Medicine found that routine preoperative tests do not improve outcomes or reduce complications from cataract surgery. The researchers analyzed data from over 19,000 patients and found no benefit to the testing, which adds an estimated $150 million to Medicare costs each year.

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.

HDL -- 'good' cholesterol -- helps bypass surgery

Research suggests that men with high HDL cholesterol levels after coronary bypass surgery live longer and experience fewer cardiac events. High levels of HDL cholesterol may be more significant than LDL in predicting long-term outcomes for patients undergoing heart surgery.

HDL -- 'good' cholesterol -- helps bypass surgery

Researchers found that men with low HDL levels had nearly twice the mortality rate as those with higher levels after coronary bypass surgery. High HDL levels also helped clear bad cholesterol from the blood and protected against heart disease.

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.

Apple iPhone 17 Pro

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

Surgical pain increases risk of infection, study shows

A study by Daniel I. Sessler and colleagues found that surgical pain increases the risk of infection by reducing tissue oxygenation, which is crucial for fighting infection. The study showed that patients with minimal pain had higher tissue oxygenation concentrations and a lower risk of infection.

Low doses of aspirin and surgery better for stroke prevention

A new study by the NIH/NINDS found that lower doses of aspirin (81-325mg) taken before and after carotid endarterectomy surgery are more effective in preventing strokes than higher doses. The results suggest that lower doses may be better tolerated and easier to take, making them a promising option for stroke prevention.

Music, relaxation can complement pain medicine

A new study by Case Western Reserve University researchers found that relaxation and music can significantly reduce post-operative pain in surgery patients. The study, which tested 500 patients over a 29-month period, showed that these self-care methods reduced pain more than medication alone.

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.

Early Intervention Key To Repairing Hole In Heart Disease

Patients with atrial septal defects can benefit from surgical closure earlier in life to prevent future symptoms, according to researchers. The study found that surgery between ages 16 and 80 can restore normal blood circulation and prevent arrhythmia.

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.

New Findings On Lung Transplantation And Esophageal Cancer

Researchers at University of Pittsburgh Medical Center found that lung transplant patients who received lungs preserved for more than six hours had similar survival rates compared to those stored for less than four hours. The study, which examined over 350 cases, suggests that the current organ allocation policy may need to be revised.

Surgical Experience Improves Thyroidectomy Outcome

A study by Johns Hopkins researchers found that surgical experience is a crucial factor in achieving better clinical outcomes for patients undergoing thyroidectomy. The results showed that surgeons performing the most thyroid operations had lower complication rates, shorter hospital stays, and lower average hospital charges. This study...

Air Guns Can Cause Permanent Physical Damage To Children

A recent study published in Pediatric Emergency Care found that air gun injuries accounted for 87 of the 162 injuries caused by guns during a seven-year period. The research revealed that air gun wounds can be serious and even permanent, with 13 children suffering from visual disabilities.

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.

Colorectal Cancer Spread Detected Earlier With PET Imaging

A new study finds that positron emission tomography (PET) can detect additional tumors in patients with warning signs of colorectal cancer. PET imaging confirmed disease in 15 out of 17 patients with tumors, while those with negative results remained cancer-free for at least nine months.

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.

Technology May Help Identify Pancreatic Cancer Surgery Patients

Researchers at Ohio State University have developed a technique to help surgeons determine the extent of tumor spread in pancreatic cancer patients. This method uses an antibody labeled with radioactivity to detect cancer cells, potentially improving treatment outcomes and reducing harm from extensive surgery.

Drug Regimen Reduces Atrial Fibrillation After Heart Surgery

A study conducted at the University of Michigan Health System found that administering amiodarone prior to elective heart surgery reduced atrial fibrillation by approximately 50%. Patients who received amiodarone experienced less discomfort, shorter hospital stays, and lower hospital costs compared to those who received a placebo.

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.

Rosier Picture Of Life After Prostate Surgery

A new study of over 1,000 prostate cancer patients found that those who underwent surgery had remarkably good outcomes, with few reporting dissatisfaction or problems with urinary or sexual function. Despite fears about complications, most men felt healthier and satisfied with their treatment after surgery.

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.

Chart Predicts Whether Surgery Will Cure Prostate Cancer

The newly revised nomograms combine clinical stage, Gleason score, and PSA level information to identify men who can be cured by surgery alone. The use of these nomograms should improve our ability to predict surgical curability and help patients make informed treatment decisions.

Warming Surgery Patients Reduces Fatal Heart Risks

Maintaining a surgical patient's normal body temperature has been shown to reduce infections, speed healing and shorten hospital stays. Results of a clinical trial suggest a 55% risk reduction in cardiac complications when near-normal body temperatures are maintained.

Study Finds Physician Report Card Data Not Used By Physicians

A study by Harvard Medical School researchers found that publicly released performance reports on quality have a neutral impact on referrals, but may discourage cardiac surgeons from taking on high-risk cases. The report's authors argue that closing the credibility gap between clinicians and public data is vital for improving quality.

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.

Outcomes Of Prostate Removal Assessed

A multi-institutional study found that surgery is effective for localized prostate cancer, with tumor grade being the best predictor of long-term survival. Ten years after surgery, men with grade 1 tumors had a 6% mortality rate, while those with grade 2 and 3 tumors had 20% and 23% mortality rates, respectively.

Overweight Patients At Greater Risk Of Infection After Surgery

A study by Ohio State University researchers found that overweight and severely overweight patients are six to nine times more likely to develop post-operative infections than normal weight patients. These infections can be serious, but obesity does not increase mortality rates in this context.