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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

How much will I be charged?

A new UCSF study reveals large price swings in patient charges for the 10 most common outpatient conditions in emergency rooms across the country. The median charge for total outpatient conditions was $1,233, with some patients facing bills of $4 to $24,110.

Emergency room redux for many patients after hospitalization

A new study found nearly 18% of hospitalized patients returned to the emergency room or were readmitted within 30 days of discharge, with mental health and prostate issues having the highest rates. The study suggests that many more patients require acute medical care after hospitalization than previously recognized.

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.

Painful truths about genital injuries

A study by UCSF analyzed emergency department visits and found that many minor genital injuries can be prevented through educational and product safety approaches. The research identified specific age groups and consumer products as risk factors, offering insights into preventing such injuries.

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.

Study finds paramedics skilled in identifying strokes

A study found that paramedics can identify stroke patients with a 99.3% accuracy rate, making it a reliable indicator to activate the hospital's stroke team. However, sensitivity rates are lower, indicating room for improvement in reducing time to treatment for acute stroke patients.

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.

Longer trips to the ER, especially for minorities and poor

A new study found that nearly one in four Americans must travel farther to a nearest trauma center due to hospital closures, especially affecting African Americans, poor and uninsured residents. The study highlights the need for policy makers to subsidize trauma centers serving vulnerable communities.

Future climate change may increase asthma attacks in children

A new study predicts a 7.3% increase in asthma-related emergency room visits for children in the NYC metropolitan area by 2030 due to climate change. The research, led by Dr. Perry Sheffield, used regional and atmospheric chemistry models to simulate ozone levels and their impact on air quality.

Smoking ban reduces emergency room admissions

A study by Irish researchers found significant reductions in emergency hospital admissions due to respiratory illness and cardio-pulmonary disease after the implementation of a workplace smoking ban. The most pronounced decrease was observed in the 20- to 29-year-old age group.

Postponing care can result in serious consequences for asthma patients

A recent study found that patients who delay seeking emergency medical care for asthma exacerbations are more likely to be sicker and hospitalized than those who seek care earlier. The study also revealed that patients who postponed treatment were not more likely to consult physicians before coming to the emergency department, but rath...

Apple iPhone 17 Pro

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

Injured children may not be getting best possible care

A recent study found that about 73% of injured children in the US were treated outside pediatric trauma centers, with many severe and life-threatening cases not receiving adequate care. The study's authors are calling for improvements in emergency medical services to ensure the best possible outcomes for young patients

Children victims of most eye injuries from aerosols

A study by Brown University researchers found that children were the victims in more than half of emergency room visits for eye injuries related to aerosol cans. The youngest children, ages 0 to 4, accounted for an estimated 2,830 emergency room visits during the study timeframe.

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.

Many vulnerable patients have poor access to trauma care

A significant portion of the US population lacks easy access to trauma care within an hour's drive. Vulnerable groups such as African Americans and foreign-born populations face difficulties in accessing trauma centers due to geographical constraints.

Developing robots for the hospital emergency room

Vanderbilt University researchers are developing a robot system called TriageBot to assist in emergency room triage, collect medical data, and provide tentative diagnoses. The system aims to reduce wait times, alleviate staff strain, and minimize errors.

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.

Engineering shorter wait times in the ER

Researchers used Six Sigma design strategy to improve ER triage process, reducing patient waiting time and length of stay. The approach sorted patients into treatment areas based on condition severity, not arrival time, resulting in significant reductions in wait times and stays.

Trauma center care cost-effective

A new report from Johns Hopkins Bloomberg School of Public Health finds that trauma center care is cost-effective for patients with severe injuries and those younger than 55. The study estimates that trauma center care saves lives at a lower cost per life-year gained compared to non-trauma center care.

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.

CT-scan screening for LAM in women with collapsed lung is cost-effective

Researchers found that high-resolution CT-scans are the most cost-effective strategy to screen for lymphangioleiomyomatosis (LAM) in non-smoking women between 25-54 with collapsed lung. Screening can identify LAM earlier, improving quality of life and allowing for early treatment and clinical trial enrollment.

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.

Parents often wait too long to treat children's asthma symptoms

A study found that parents of children with asthma often recognize signs of an impending attack but delay treatment, leading to missed opportunities for early intervention. Researchers suggest that education and awareness can help parents identify early warning signs and take action sooner.

On-call radiology residents accurately interpret off-hours neuro CT exams

A study published in JACR found that on-call radiology residents can accurately interpret emergency neuroradiology CT scans after hours. The accuracy of image interpretation is crucial for diagnostic radiology, with clinicians relying solely on preliminary interpretations to make treatment decisions.

Cambodian refugee among 10 Americans chosen to receive national award

Sonith Peou, program director of the Metta Health Center in Lowell, Mass., is one of 10 Americans chosen to receive the RWJF Community Health Leaders Award for his work on culturally competent health care services. He has helped thousands of Cambodians, Laotians, and Vietnamese access quality healthcare.

Study dispels myth that new residents cause increase in medical errors in July

A new study published in the Journal of the American College of Surgeons found no evidence of a 'July Phenomenon', where more medical errors occur due to new residents, despite widespread belief. The study analyzed data from a trauma registry and showed no differences in patient outcomes between July and other months.

Celestron NexStar 8SE Computerized Telescope

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

How accurate are hospital report cards?

A new study by Loyola University Health System researchers highlights the limitations of hospital report cards, particularly in neurosurgery. The mortality index used in these reports fails to account for factors such as patient mix, complex cases, and treatment of lower-risk elective versus high-risk non-elective cases.

17 million US children live more than an hour away from trauma care

A new study reveals that over 17 million US children lack access to specialized trauma care within an hour, with the largest gaps in rural areas. Establishing guidelines and maintaining an inventory of pediatric trauma centers could improve fragmented access to life-saving care.

Many US children have inadequate access to pediatric trauma care

A study by Michael L. Nance and colleagues identified 170 verified pediatric trauma centers in the US, with estimated access ranging from 22.9% in rural areas to 93.5% in urban areas. The authors estimate that 17.4 million children would not have access to a center within 60 minutes.

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.

Young adult stroke patients may be misdiagnosed in ER

A study found that 14% of young adults (16-50 years old) with stroke symptoms were misdiagnosed in ERs, leading to delayed treatment and potential paralysis and speech problems. Accurate diagnosis is critical to reduce disability and improve outcomes.

More children need medical help for RSV than previously known

A study published in New England Journal of Medicine found that most children with RSV infections between 1 and 5 years old were previously healthy and had no other risk factors. The study estimates that about 1 in 334 hospitalizations, 1 in 38 emergency department visits, and 1 in 13 primary care office visits occur due to RSV infection.

New research projects shortage of general surgeons by 2010

A new study predicts a severe shortage of general surgeons in US hospitals by 2010, with the number of available surgeons failing to keep pace with public demand. The shortage is expected to worsen over time, leading to longer wait times for emergency treatment and elective surgeries.

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.

Embargoed news from Annals of Internal Medicine

Researchers found that hospitalist interventions can significantly reduce emergency room crowding, with a 6% decrease in ambulance diversion. Additionally, the study highlights the importance of physician communication through apology laws, which may improve doctor-patient relationships and increase patient satisfaction.

Traumatic aortic injury -- New England Journal of Medicine review

The minimally invasive endograft procedure enables doctors to fix the artery without making an incision, reducing blood loss and recovery time. This innovative approach has evolved treatment options for blunt aortic injury, stabilizing the injured artery and offering a life-saving option for patients with multiple traumatic injuries.

Fluke 87V Industrial Digital Multimeter

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

After ER visit, many patients in a fog, U-M study finds

A U-M study found that three-quarters of ER patients leave with a misunderstanding of their diagnosis, treatment, and post-visit instructions. Patients often reported feeling confident despite lacking understanding, highlighting the need for improved communication between ER teams and patients.

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.

Studies examine triage guidelines for emergency heart patients

Two studies examine triage guidelines for emergency heart patients and find that those who followed the guidelines had similar outcomes to those who did not. However, low-risk patients who were discharged after receiving standard treatment had a small risk of developing acute coronary syndrome in the long term.