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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

Men at increased risk of death from pneumonia compared to women

A University of Pittsburgh School of Medicine study found that men with pneumonia are more likely to die than women, even after adjusting for health behaviors and chronic conditions. The researchers discovered differences in immune response between the sexes, which could explain the gender disparity in survival rates.

Gender disparity in community-acquired pneumonia

A study published by the American Thoracic Society found that men with community-acquired pneumonia are more likely to die within a year due to their sicker condition and increased risk of complications. Despite receiving more aggressive medical care, men still face a higher mortality rate compared to women.

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.

How much progress has there been in vaccinating against Hib in the Americas?

By the end of 2006, all countries in the Americas had included Hib vaccine in their immunization schedule. However, efforts are still needed to strengthen invasive bacterial disease surveillance and improve vaccination coverage. The successful introduction of Hib and pneumococcal vaccines could reduce global severe pneumonia burden by ...

Excess pneumonia deaths linked to engine exhaust

Research found a strong link between engine exhaust and pneumonia deaths, with 35 local authorities accounting for over 15,000 excess deaths, equivalent to the annual death toll from London smog. The study suggests that pollutants directly damage lung tissue, increasing risk of progressive lung diseases such as COPD.

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.

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.

Heart attacks/pneumonia falls short of national goals

A study by Johns Hopkins researchers found that only 40% of heart attack patients received recommended aspirin therapy, and 69% of pneumonia patients got recommended antibiotics, highlighting racial, geographic, and financial disparities in access to care.

Zinc may reduce pneumonia risk in nursing home elderly

A study published in the American Journal of Clinical Nutrition found that daily zinc intake can help reduce pneumonia risk in nursing home residents, especially those with low serum zinc concentrations. Participants with normal serum zinc levels had a 50% lower risk of developing pneumonia and reduced mortality rates by 39%.

Low hospital staff levels increase infection rates

A recent study published in Critical Care found that decreasing nurse staffing levels in intensive care units increases the risk of serious infections. Over a four-year period, researchers discovered that patients were more likely to develop ventilator-associated pneumonia six days or more after being placed on a ventilator when there ...

Celestron NexStar 8SE Computerized Telescope

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

Hib vaccine: A critical ally in Asia's effort to reduce child deaths

A new study from Bangladesh found that routine Hib vaccination prevented over one-third of life-threatening pneumonia cases and approximately 90% of Hib meningitis cases. The vaccine has been shown to be a feasible and highly effective way of preventing death related to Hib pneumonia and meningitis in Asian children.

Gender may play role in recovery from pneumonia after ozone exposure

Researchers found that mice exposed to ozone before infection died more often than those breathed filtered air. Female mice were also less likely to survive pneumonia exposure compared to males, regardless of genetic variation. The study suggests considering the impact of environmental pollutants on health by gender.

Apple iPhone 17 Pro

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

Atypical pathogen treatment vital in hospitalized CAP patients

Hospitalized patients treated with antimicrobials against atypical pathogens experienced reduced time to clinical stability, decreased hospital stays, and lower mortality rates. The study found that atypical treatment significantly improved patient outcomes in regions globally.

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.

The plague as a weapon?

Bubonic plague has a mortality rate of 50-90 ty, while pneumonic plague can be fatal in most cases. A Yersinia Pestis strain in Madagascar shows multiple antimicrobial resistance, making treatment challenging.

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.

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.

Reducing the high post-surgical pneumonia rate in alcoholics

Researchers found that infusing patients with low-dose ethanol, morphine or ketoconazole before and after surgery significantly reduced the incidence of pneumonia from 39% to 5.7%. The treatment also shortened ICU stay by 9 days in alcoholic patients undergoing aerodigestive tract surgery.

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.

Less expensive treatment for lung lining infection in kids

Researchers conclude that enzyme urokinase is the primary treatment against infection in the lung lining due to its cost-effectiveness. The study suggests a significant healthcare savings of $15 million if used as the first line of treatment for pediatric empyema.

Biomarker reduces length of antibiotic treatment

A biomarker named procalcitonin can reduce the length of antibiotic treatment for community-acquired pneumonia (CAP) patients. Studies found that lower procalcitonin levels could shorten antibiotic use by an average of seven days, but guidelines suggest shorter courses and caution against over-reliance on this marker.

Risk of ventilator-associated pneumonia cut significantly

Researchers found that treating intubated patients with chlorhexidine paste reduced the risk of ventilator-associated pneumonia by 65%, while a combination of chlorhexidine and colistin cut the risk by 55%. The study, published in the American Journal of Respiratory and Critical Care Medicine, suggests a cost-effective approach to prev...

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.

Alcohol abuse increases the risk of suffering from pneumonia

A study published in Chest Journal found that alcohol abuse increases the risk of pneumonia, with decreased immune system activity being a key factor. The consequences of this study could have a significant impact on a high number of people, particularly in Spain where alcohol is a major cause of death.

Experts urge industry and international donors to prepare pneumococcal vaccines

Routine childhood pneumococcal vaccination has the potential to save millions of lives, particularly children under five years old. The seven-valent vaccine is already licensed and in use in over 60 countries, and formulations with additional serotypes are being developed to target strains commonly causing death and disability.

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.

Vaccinated adults less likely to die from pneumonia

Researchers analyzed data from nearly 63,000 patients hospitalized for pneumonia between 1999 and 2003. Vaccination was associated with a 40-70% lower risk of death during hospitalization compared to unvaccinated or unknown status patients.

Tip sheet Annals of Internal Medicine, Feb. 21, 2006 issue

Researchers found patients with rheumatoid arthritis have a three-fold increase in carotid artery atherosclerosis compared to those without RA. Statins and b-blockers may also affect coronary heart disease severity, while hospital volume doesn't correlate with pneumonia care quality.

Study: Newer antibiotic more effective at treating elders' pneumonia

A study led by Dr. Antonio Anzueto found that the newer medication moxifloxacin HCI is more effective at treating community-acquired pneumonia (CAP) in elderly patients, with a recovery rate of 97.9%, compared to 90% for the standard medication levofloxacin. The study also assessed cardiac safety and found both treatments to be safe.

Flu not the only germ threat this time of year

Research by Ann Falsey and Edward Walsh finds that RSV affects elderly and high-risk adults as much as the flu, causing thousands of deaths annually. Hand washing remains ineffective in preventing RSV, despite its proven ability to prevent other infections.

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.

Pneumonia hospitalization rates on the rise for older adults

Researchers found a 20% increase in pneumonia hospitalization rates for patients aged 65-74 and 75-84 years between 1988-1990 and 2000-2002. The proportion of patients with underlying conditions, such as chronic cardiac disease or diabetes mellitus, increased significantly during this period.

The case for pneumococcal vaccination of infants

Rates of severe infections due to Streptococcus pneumoniae have dramatically fallen among children and adults over 65, thanks to pneumococcal vaccination of infants. The vaccine has shown spillover effects, reducing invasive infections among older adults.

Effects of bacterial pneumonia no worse for HIV-positive patients

A two-year study compared HIV-positive and HIV-negative patients with community-acquired pneumonia, finding no significant differences in hospitalization length or mortality rate. Treatment of HIV improves patient health and reduces infections like bacterial pneumonia.

Weekly zinc supplements can reduce deaths in young children

A study found that weekly zinc supplements significantly reduced mortality rates among children under five years old, with a 85% decrease observed worldwide. Additionally, these supplements also showed promise in reducing pneumonia and diarrhea cases among infants younger than six months.

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.

Statins protect from death from pneumonia

Patients taking statins prior to hospital admission with community-acquired pneumonia were 2.8 times less likely to die than those not on statins. Statins' impact on the immune system may contribute to their protective effect on patients suffering from pneumonia.

Efforts to improve hospital care

Two studies using standardized measures found that hospitals improved on 15 of 18 clinical performance measures, but didn't show significant reductions in early deaths from heart attacks and injuries during delivery. The findings suggest that higher levels of adherence with evidence-based guidelines are achievable, but may be somewhat ...

Meta Quest 3 512GB

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

Saving six million children each year is affordable

A new study estimates that an additional $5.1 billion annually will be needed to deliver universally available interventions in 42 countries, which will save the lives of 6 million children. The authors conclude that this cost is affordable and reflects a choice made by policy makers and donors.

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.

Measuring hormone cuts antibiotic use in half in pneumonia patients

A study by the American Thoracic Society found that measuring hormone levels can reduce antibiotic use in pneumonia patients. The study showed that patients with low procalcitonin levels were not given antibiotics and recovered similarly to those who received a full course of antibiotics.

New estimates for the causes of child deaths worldwide

The study found that communicable diseases are responsible for over 50% of child deaths, with pneumonia and diarrhea being major causes. Undernutrition is also a significant factor, accounting for 53% of all deaths in children under 5 years old.