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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

A simple protocol avoids unnecessary invasive procedures

Researchers developed a simple clinical rule to predict patients at high risk for subarachnoid hemorrhage (SAH), reducing investigation rate to 66%. The rule uses 4 simple observations, including vomiting, diastolic blood pressure, and age, to identify patients who require further investigation via CT and/or LP.

New MRI clues identify stroke victims at risk of skull hemorrhaging

A study analyzed MRIs of 24 patients with ischemic stroke to identify signs at increased risk for skull hemorrhaging. The researchers found that patients with parenchymal enhancement or hyperintense MCA sign may be at higher risk for developing hemorrhagic complications after tPA treatment.

Apple iPhone 17 Pro

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

Researchers say criterion for diagnosing child abuse not always accurate

A study of 700 autopsy cases found that retinal hemorrhages occur more frequently than initially thought and are not always indicative of child abuse. The research suggests that doctors should consider other possibilities when evaluating children with retinal hemorrhages, rather than automatically diagnosing abuse.

Lower doses of clot-busting drug safer for stroke patients

A new study suggests that lower doses of the clot-busting drug tPA can effectively treat intracerebral hemorrhage without increasing bleeding risks, with mortality rates dropping to 13 percent in some cases. The findings are promising for patients who suffer from this type of stroke, which affects over 100,000 Americans annually.

Aspirin therapy may be safe for some survivors of brain hemorrhage

Researchers followed 207 patients who survived intracerebral hemorrhage and found no increased risk of second hemorrhage among those taking antiplatelet therapy. The location of the original hemorrhage was associated with a higher risk of recurrence, particularly in the cerebral cortex.

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.

Misdosing common for powerful anti-clotting drugs

A study of nearly 30,000 patients found that 42 percent received doses outside the recommended range, with excess doses linked to increased risks of bleeding and mortality. The researchers suggest improving dosing accuracy could save lives and reduce healthcare costs.

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.

Severe maternal morbidity in Canada, 1991-2001

A Canadian study found that severe maternal morbidity rates declined between 1991 and 2001, with lower rates of postpartum hemorrhage requiring transfusion. However, a significant increase in uterine rupture cases was observed during this period, with women who experienced these complications being 158 times more likely to die.

New anti-thrombotic therapy effective, safer for patients

The OASIS-5/MICHELANGELO study found fondaparinux to be as effective as enoxaparin in preventing heart attacks and death at nine days after an event, but demonstrated a dramatic reduction in major bleeding. Patients also had a lower mortality rate at six months.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Tip sheet Annals of Internal Medicine, Aug. 16, 2005

A study of 372 community-dwelling older patients found that those receiving high-quality care had better survival rates than those without it. The research created a quality-of-care score based on 236 process-of-care measures, with survival improving steadily as the score increased.

High levels of leisure-time physical activity cut stroke risk

Researchers found that participants with moderate leisure-time physical activity had a 14% lower risk of any type of stroke, while those with high activity levels had a 26% lower risk. Daily commuting activities also showed a significant association with reduced stroke risk.

Defective clotting factor clears arteries

A study by Bernhard Nieswandt and colleagues reveals that mice lacking factor XII cleared blocked arteries after injury, unlike humans who develop coronary artery disease with elevated factor XII levels. The findings suggest drugs inhibiting this protein may be useful for treating certain heart diseases without increasing bleeding risk.

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.

Anti-depressant use linked to increased GI bleeding

A retrospective study found that patients taking SSRIs were at a similar risk of GI bleeding as those taking NSAIDs. The study suggests that physicians should closely monitor for this serious adverse event, especially in patients taking both SSRIs and NSAIDs.

Study backs effectiveness of thrombolysis after stroke

A study published in the Canadian Medical Association Journal found that thrombolysis for acute ischemic stroke is a safe and effective therapy. The results indicate excellent outcomes for over one-third of patients and low rates of symptomatic intracranial hemorrhage and orolingual angiodema.

Stroke drug still meets resistance from doctors wary of its risks

A survey of 1,105 emergency physicians found that many are hesitant to use tissue plasminogen activator (tPA) due to bleeding risks, despite its potential to restore blood flow in the brain. Team-based approaches and risk-reducing measures may help increase tPA adoption.

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.

Gene variants predict bleeding after heart surgery

A study at Duke University Medical Center found that genetic variations in platelet surface receptors and coagulation proteins are associated with increased post-operative bleeding. This discovery may lead to genetic screening as a tool for pre-operative evaluation of heart surgery patients.

Hormone aids recovery in rats with hemorrhagic stroke

A new study found that erythropoietin reduced inflammation and cell death, improving functional recovery after hemorrhagic stroke in rats. The treatment also showed decreases in brain water content and increases in behavioral recovery.

Three anti-platelet drugs used in combination are safe

In a randomized clinical trial, researchers found that combining three anti-platelet drugs did not increase the risk of bleeding, and treatment adherence was high. The combination of cilostazol, clopidogrel, and aspirin was tested in patients who had undergone successful angioplasty and stent implantation.

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.

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.

McMaster researchers develop test for rare bleeding disorder

The McMaster researchers developed a detailed bleeding history questionnaire to discriminate between patients with QPD and those without. The tool helps identify higher likelihoods of bleeding that leads to lifestyle changes, bruises or bleeding in joints, providing valuable clues for doctors diagnosing the condition.

Risks from labor after prior cesarean delivery low, study reports

A recent study published in the New England Journal of Medicine found that vaginal birth after a prior cesarean delivery poses relatively low risks. However, the study also revealed that women attempting vaginal birth after a cesarean delivery may face increased complications such as uterine rupture and infant brain oxygenation issues.

Antidepressants may increase risk of abnormal bleeding

A study published in Archives of Internal Medicine found a significant association between antidepressant use and risk of abnormal bleeding. The risk increased with the degree of serotonin reuptake inhibition, particularly for drugs with high levels of inhibition, which were associated with a 2.6-fold increased risk of bleeding events.

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.

Herbal, nutritional supplements linked to ocular side effects

A review of herbal and nutritional supplements found eight products associated with clinically significant ocular side effects, including ginkgo biloba, Echinacea purpurea, chamomile, licorice, canthaxanthine, Datura, niacin, and vitamin A. The side effects range from dry eye to retinal hemorrhages and transient visual loss.

Performing large-volume paracentesis as an outpatient procedure

A study conducted at the Mayo Clinic found that gastrointestinal endoscopy assistants, trained under supervision, can perform large-volume paracenteses safely and efficiently, with a median procedure time of two hours. The practice has been shown to save physician time without increasing patient risk.

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.

Newer form of heparin drug of choice

The meta-analysis of 22,000 patients found that enoxaparin was more effective than unfractionated heparin in preventing combined rates of death or heart attack. However, the difference was not significant for major bleeding or transfusion rates.

Ginseng reduces effects of anti-clotting drug

Researchers found that daily doses of ginseng significantly reduced the anti-clotting effect of warfarin, a common blood-thinner medication. The study suggests that substances within ginseng may enhance the function of enzymes that break down warfarin.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Surgical technique may reduce pain after tonsillectomy

Researchers found that postoperative pain was less on days three, four, and five following surgery for patients in the microdissection group compared to those in the standard electrocautery group. The study suggests that microdissection needle cautery may be a more effective method for reducing post-tonsillectomy pain.

Welcome alternative to warfarin for people at high risk of stroke

The SPORTIF III study found that oral ximelagatran was at least as effective as warfarin in reducing the frequency of stroke or systemic blood clots, with a lower risk of bleeding. Ximelagatran may offer a safer alternative to warfarin for patients with atrial fibrillation and high stroke risk.

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.

Boys, black children have higher risk of stroke

A study by the American Academy of Neurology found that black children, particularly boys, have a higher risk of stroke compared to their white counterparts. The annual stroke incidence rate among children was 2.3 strokes per 100,000, with ischemic stroke accounting for 51% of cases.

QuikClot (TM) will be made available to public

Developed by Z-Medica Corporation and funded by the Office of Naval Research, QuikClot has been proven effective in treating severe arterial hemorrhage with a high success rate. The product is set to be released for consumer use this summer and may also help individuals with specific bleeding disorders.

Drug may work on secondary clots in stroke

A new study has found that the drug abciximab can effectively break up secondary clots in stroke patients, with three out of four patients showing significant improvements in symptoms. The study suggests that secondary clots may occur frequently and provides evidence that abciximab may be beneficial for treating them.

Meta Quest 3 512GB

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