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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

Screening program yields decline in sudden cardiac deaths in young athletes

A nationwide systematic screening program in Italy has shown a significant decline in sudden cardiovascular deaths among young athletes, with a 89% reduction in incidence rates. The study analyzed data from 1979 to 2004 and found that most cases of sudden death were due to previously unsuspected structural heart disease.

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.

Study shows Darfur deaths in hundreds of thousands

A new study published in Science estimates that at least 200,000 people have died in Darfur, far exceeding previous estimates of tens of thousands. The study's authors used primary surveys and extrapolation to arrive at this revised estimate, which underscores the urgency of the situation.

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.

Tyrannosaur survivorship -- tough times for teens

A study published in Science found that Albertosaurus survived for two years with low mortality rates, but death rates increased after reaching teenage years. The research provides insight into the life patterns of tyrannosaurs and challenges previous theories about their behavior.

Fluke 87V Industrial Digital Multimeter

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

New scoring system predicts gastric bypass surgery risk

A new scoring system can help determine which patients are at the lowest risk of dying after gastric bypass surgery. The system is based on five easy-to-identify patient characteristics and provides a standardized way to compare outcomes among centers performing the surgery.

Older blood associated with worse outcomes after repeat heart surgery

A study published in Anesthesia & Analgesia found that patients who received older blood during repeat open-heart procedures had a higher risk of death, kidney damage, and prolonged hospital stays. The researchers also found that the number of transfusions and duration of storage were independent predictors of long-term mortality.

Promoting seat belt use among black motorists

A new study found significant racial disparities in seatbelt use among black and white motorists, with blacks less likely to wear seatbelts in states with secondary seatbelt laws. The study suggests that upgrading these laws to primary laws could eliminate the disparity and reduce motor vehicle crash-related injuries and deaths.

Apple iPhone 17 Pro

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

Poor ability to slow heart rate predicts death after heart attack

A new measure of heart rate deceleration capacity has been found to be a stronger predictor of mortality than traditional measures in patients who have had a heart attack. This alternative marker for wellbeing can detect high-risk patients even if current gold-standard measures fail.

For elderly, extra pounds may lower mortality rates

A new study suggests that body mass index (BMI) standards for younger adults may not be appropriate for people in their 80s and 90s. The analysis found that those who were overweight had the lowest mortality rates, while being underweight led to higher mortality rates.

Evolutionary forces explain why women live longer than men

Research suggests that women live longer than men due to the biological imperative of attracting mates, with males competing aggressively for female attention. This competition leads to riskier behavior and physiology, ultimately shortening male lifespans relative to females.

Celestron NexStar 8SE Computerized Telescope

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

Perfectionist fathers can reinforce tendencies

A Penn State study found that perfectionist fathers can reinforce negative eating habits in their sons and daughters, which can lead to anorexia and other clinical illnesses. The researchers suggest that treating maladaptive eating disorders requires a focus on the patient's relational network, including communication with parents.

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.

Heart disease in women worse than previously thought

A new study published in JAMA found that women are at a higher risk of developing angina, a symptom of chest pain or discomfort due to insufficient oxygen supply to the heart muscle. Women with angina and diabetes are particularly at risk of experiencing high rates of death from heart disease

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.

Understanding the tsunami

The study highlights the co-dependence of mortality risk and poverty, with lower-income countries suffering greater losses due to inadequate infrastructure and emergency response systems. The Earth Institute at Columbia University is a leading academic center for integrated study of the Earth's environment and society.

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.

Drug use linked to brain hemmorhage in young adults

A recent study published by the University of South Florida has found that drug use is linked to an increased risk of brain hemorrhage in young adults. The study analyzed data from 307 patients with intracerebral hemorrhage and found that cocaine, marijuana, and amphetamines were common substances of abuse among those under 50.

CU will create a plan to manage mass casualties in disasters

Cornell University is developing a distributed communications system to coordinate emergency response efforts, hospital management, and local officials. The system will combine real-time reports with databases of hospital capacity and resources to optimize treatment capacity during mass casualty events.

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.

Metabolic acidosis associated with an increased mortality rate

A study of 851 patients found that metabolic acidosis was associated with a higher mortality rate compared to non-acidosis patients. Lactic acidosis and SIG acidosis were identified as independent predictors of hospital mortality in critically ill patients.

Risks of sulfonylurea drugs in the treatment of diabetes mellitus

A large cohort study found that sulfonylurea drugs increase the risk of mortality and cardiac events in patients with type 2 diabetes. The study suggests that sulfonylureas should be used only as a third-line treatment option, due to their potential to harm heart muscle.

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.

Guidelines needed to help care for children during emergencies

A new set of guidelines aims to help care for children during emergencies, with a focus on simplifying treatment protocols and addressing special needs. The guidelines will be based on existing clinical protocols and are designed to be accessible to community health workers and volunteers.

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.

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.

Healthgrades study: New hospital ratings show wide 'quality chasm'

The HealthGrades Hospital Quality in America Study found a significant 'quality chasm' between the nation's best-performing hospitals and worst-performing hospitals, with better outcomes associated with higher hospital volumes and intensivists staffing intensive care units. Overall mortality rates improved by 12% across the nation, but...

Russian 'surrogate' alcohols are a killer

Researchers analyzed surrogate alcohols consumed by Russian men, finding high ethanol content or toxic contaminants. These products, including home-made spirits and medicinal tinctures, contribute to Russia's high death rate due to accidents, violence, and cardiovascular deaths.

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.

Hospitals that follow guidelines save lives

The Guidelines Applied in Practice Project improves mortality rates in hospitals by implementing evidence-based therapies, resulting in lower heart attack death rates. The study found that standard discharge documents can cut the risk of patient dying within one year almost in half.

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.

Women heart attack sufferers face longer hospital delays than men, says new study

A new study reveals that women who suffer from heart attacks are more likely to experience longer hospital delays compared to their male counterparts. The study, which analyzed data from six major hospitals in Dublin, found that women were medically assessed an average of 30 minutes after arrival, while men received medical attention i...

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.

Surgery gives fresh start to patients with thickened hearts

A new study suggests that surgical myectomy can significantly improve symptoms in patients with severe obstructive hypertrophic cardiomyopathy (HCM), resulting in comparable life expectancies to those who never had the condition. By correcting blood flow obstructions, surgery offers a better quality of life for these younger patients.