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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

New guidance on take-home naloxone for community overdose responders

The Canadian Medical Association Journal published new guidance on take-home naloxone distribution and use by community overdose responders in Canada. The guidance prioritizes preserving life and mitigating harms, and is the result of a collaborative process involving diverse stakeholders from across the country.

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.

Resuscitation after on-field cardiac arrest should start with teammates

A study presented at the American College of Cardiology's Care of the Athletic Heart conference found that only 50% of athletes surveyed reported knowing what sudden cardiac arrest is or being concerned about it during play. The researchers identified 46 cases of sports-related cardiac arrests between 1984 and 2022 involving CPR, with ...

Predicting how CPR will work minutes ahead

Researchers analyzed ECG data from 298 patients with cardiac arrest to predict treatment outcomes. The study found a connection between heart rate and QRS duration before the patient's pulse returns, allowing for more tailored treatments.

Cardiac arrest in a 14-year-old at overnight camp

A case of a 14-year-old girl who had a cardiac arrest at an overnight camp emphasizes the need for preparation and training for rare but often fatal events. The survival of the patient is attributed to the quick response of emergency medical services and bystander CPR.

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.

Lucid dying: Patients recall death experiences during CPR

Patients who survived cardiac arrest and received CPR reported lucid experiences of death, including separation from the body and meaningful evaluation of life. Researchers discovered rhythmic brain waves suggestive of near-death experiences, providing evidence for a unique human experience on the brink of death.

CPR education in public housing communities may improve cardiac arrest survival

A new study suggests that CPR education programs tailored to public housing communities can significantly improve cardiac arrest survival rates. The research found that more than half of all out-of-hospital cardiac arrests in Vienna and Copenhagen occurred in these communities, highlighting the need for targeted interventions to train ...

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.

Cardiac arrest survival rate rising

The study found that the probability of surviving cardiac arrest outside hospital has more than doubled in 30 years, from approximately 5% to 11%. The improvement is attributed to increased CPR training and better healthcare resources. However, ambulance delays and an increase in difficult-to-treat cases are hindering further progress.

Cath labs’ regard for patients’ DNR wishes varies widely

A study of cardiology programs found that patients' documented DNR preferences are often suspended during TAVR procedures, with varying durations across programs. Only 26% had formal policies governing clinicians' responsibilities in these decisions.

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

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.

New study evaluates current neonatal resuscitation guidelines

The study compares current recommendations for ventilation and chest compression versus ventilation during neonatal resuscitation using an ovine model. The findings suggest that optimizing ventilation could reduce the need for chest compressions and improve gas exchange in neonates, potentially improving overall outcomes.

Racial minorities are less likely to receive CPR when they need it

A nationwide study found that Black and Hispanic individuals are 41% less likely than white individuals to receive CPR when suffering cardiac arrest in public and 26% less likely at home. The disparity persists regardless of neighborhood income level, suggesting access to training may play a role.

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Low education and income level increase risk of out-of-hospital cardiac arrest

A nationwide observational study published in Circulation found that lower levels of income and education are associated with reduced chances of survival after out-of-hospital cardiac arrest. The study analyzed data from 31,373 cases of OHCA between 2010 and 2017, showing a correlation that was observed in both men and women.

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

Drones delivered defibrillators to patients with suspected cardiac arrests

Researchers at Karolinska Institutet successfully deployed drones to deliver defibrillators to patients with suspected cardiac arrests, with the drones arriving on target ahead of ambulances in most cases. The pilot study showed a median response time benefit of 1 minute and 52 seconds, improving survival rates.

GQ GMC-500Plus Geiger Counter

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Kestrel 3000 Pocket Weather Meter

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Who is the girl behind the face of CPR?

Resusci Annie is a plaster death mask created from an unknown woman found in the River Seine in 19th century Paris. Her face has been used in CPR training for over 50 years, helping to save an estimated 2.5 million lives, and inspiring songs like Michael Jackson's Smooth Criminal.

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.

CPR choices of dialysis patients suggest many lack context

A study found that nearly 85% of dialysis patients prefer CPR in the event of a cardiac arrest, despite having poor survival rates. The respondents' appreciation for life is acknowledged, but the findings highlight the need for better discussions between doctors and patients about resuscitation and end-of-life care.

New CT scanning method may improve heart massage

A new CT scanning method developed by researchers from Aarhus University and University of Leicester has shown how the chest and abdominal region of a deceased person move during simulated heart massage. This detailed information can help clarify important physiological mechanisms and improve resuscitation techniques.

Patients overestimate the success of CPR

Research found patients significantly overestimating CPR success and understating its negative impact. Clinicians should discuss CPR with patients to clarify success rates and risks before consent is given. The study highlighted the importance of informed decision-making in end-of-life care.

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.

Study shows key factors for reducing brain damage from cardiac arrest

Researchers discovered that shorter time to receiving ECPR significantly improves neurological function in out-of-hospital cardiac arrest patients, especially those with heart rhythms responding to defibrillation. The study's findings can inform future revisions to international CPR guidelines.

Getting to the heart of epinephrine use in pediatric cardiac arrest patients

Researchers found that prehospital epinephrine administration was associated with improved return of circulation in pediatric patients with out-of-hospital cardiac arrest. However, there was no significant improvement in 1-month survival rates. The study suggests that prehospital epinephrine administration should be included in interna...

Meta Quest 3 512GB

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

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.

Weekend sudden cardiac arrests are more deadly

Researchers found that patients who suffered a cardiac arrest between Saturday and Sunday were about 20% less likely to survive than those on weekdays. The study suggests improving AED awareness, availability, and training can help address weekend cardiac arrests.

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.

Use of emergency CPR device rising despite lack of evidence

A new study found a fourfold increase in the use of cardiopulmonary resuscitation (CPR) devices among emergency medical technicians in the U.S. over a six-year period, despite minimal evidence of their effectiveness. The devices were used more often outside of hospitals, with a steep rise from 2% to 8% between 2010 and 2016.