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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

Apple iPhone 17 Pro

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

Novel mechanism of action of corticosteroids in allergic diseases

Researchers discovered that corticosteroids reduce allergic inflammation by inhibiting the nuclear translocation of GATA-3, a key regulator of cytokine expression. This finding may lead to new treatments for allergic diseases, targeting interaction between phosphorylated GATA-3 and importin-α.

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.

Long-term use of popular inhalers increases risk of pneumonia for COPD patients

New research finds that long-term use of inhaled corticosteroid drugs increases the risk of pneumonia in patients with Chronic Obstructive Pulmonary Disease (COPD). Analysis of 18 randomized clinical trials showed a significant association between corticosteroid inhaler use and pneumonia, with nearly one in every 47 patients developing...

Inhaled corticosteroids raise pneumonia risk for lung disease sufferers

Researchers found that inhaled corticosteroid drugs increase the risk of pneumonia by a full third in people with chronic obstructive pulmonary disease (COPD). The study suggests that the treatment may be more harmful and pose a greater risk to some individuals, particularly those with weakened immune systems.

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.

Annals of Internal Medicine tip sheet for June 3, 2008

A database review of 101,832 critically ill patients found that ICU patients managed by critical care specialists had higher mortality rates. In contrast, a review of 66 trials on salmeterol added to inhaled corticosteroids for asthma did not alter the risk for asthma-related hospitalizations or deaths.

New patient satisfaction study with budesonide/formoterol combination therapy

A new study found that patients receiving budesonide/formoterol combination therapy reported significantly greater satisfaction with symptom relief, dosing management, and timeliness of medication effects. In contrast, patients treated with fluticasone/salmeterol combination therapy experienced lower levels of satisfaction in these areas.

Study analyzed SYMBICORT in children with persistent asthma

A new study analyzed SYMBICORT in children with persistent asthma, showing significant improvements in nighttime symptoms, rescue medication use, and lung function. The results indicate that SYMBICORT is effective for treating mild to moderate persistent asthma in children aged 6-15.

Celestron NexStar 8SE Computerized Telescope

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

Allergic-like reactions occur in premedicated patients

A recent study found that gadolinium-containing contrast agents can cause allergic-like reactions in premedicated patients, including children and adults. Pre-medication with corticosteroids and antihistamines may not completely eliminate the risk of breakthrough reactions.

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.

Inhaled steriods used as preventive treatment post-Sept. 11

A new study found that inhaled corticosteroids can significantly reduce respiratory symptoms and improve lung function in NYC firefighters two years after the World Trade Center collapse. The treatment was found to be effective in preventing asthma-like illnesses and improving quality of life among firefighters.

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.

Repeat steroids to premature infants linked to cerebral palsy

A multi-center study found that repeated courses of steroids given to premature babies may increase the risk of cerebral palsy. The study, led by Dr. Ronald Wapner, followed 556 infants and found that six out of 248 who received multiple steroid courses had been diagnosed with cerebral palsy.

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.

Combination therapy reduces exacerbations in severe COPD

A study published in the American Journal of Respiratory and Critical Care Medicine found that combining a long-acting bronchodilator with an inhaled corticosteroid reduced exacerbations by 35% in patients with severe chronic obstructive pulmonary disease (COPD). The treatment was well-tolerated, but raised concerns about potential sys...

Mayo Clinic finds effective test to determine treatment for chronic cough

The Mayo Clinic has discovered an asthma diagnostic test that can accurately predict a patient's response to inhaled corticosteroids for chronic cough. The exhaled nitric oxide test measures inflammation in the lungs' bronchial tubes, showing promise as a more accurate and efficient alternative to methacholine challenge testing.

Experts add to growing warnings about asthma drug

University of Iowa experts are warning that a commonly prescribed asthma medication combination can be deadly for certain patients. The long-acting asthma drug salmeterol used in combination with an inhaled corticosteroid can worsen asthma symptoms for those who do not need the combination, leading to life-threatening problems.

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.

Corticosteroid therapy may be associated with irregular heartbeat

A large cohort study found that patients taking high-dose corticosteroids are at increased risk of developing atrial fibrillation. Corticosteroids may affect heart function by altering potassium balance and causing fluid retention, leading to high blood pressure and congestive heart failure.

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.

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.

American Thoracic Society journal news tips for October 2005 (first issue)

A study in children with moderate to severe allergic asthma found that measuring nitric oxide levels in the breath can determine the most effective inhaled corticosteroid dose. The results showed a significant reduction in inflammation level compared to symptom-based treatment. Additionally, an increase in a specific stem cell subtype ...

Corticosteroids do not help head injuries

The CRASH trial found that corticosteroids increased the risk of death at two weeks compared to a placebo. The study also showed higher risks of death or severe disability in the corticosteroid group than in the placebo group. Corticosteroids are widely used to treat head injuries, but this practice may be harmful.

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.

American Thoracic Society Journal news tips for May 2005 (second issue)

A national population-based study of 16,036 lung cancer patients found that Hispanics with curable stage I lung cancer had poorer lung cancer specific survival rates and worse all-cause mortality than white persons. This disparity was largely explained by lower surgical resection rates among Hispanics and a higher probability of being ...

New treatment guidelines for pregnant women with asthma

The new guidelines recommend a stepwise approach to asthma care, monitoring medication intensity based on severity. Asthma exacerbations during pregnancy pose risks to both mother and fetus, highlighting the importance of asthma management.

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.

American Thoracic Society Journal news tips for December 2004 (second issue)

A study of high-risk asthma patients shows that hospitalization can lead to a rapid decrease in prescribed medication use. Another study finds that inhaled corticosteroids may contribute to reduced bone density, particularly in individuals with COPD. Researchers also identify occupational exposure to insecticides and moldy environments...

Widely used treatment for head injuries found to be harmful

A large international study has found that anti-inflammatory drugs commonly used to treat severe head injuries can increase the risk of death by up to 20% within two weeks. The CRASH trial recruited over 20,000 patients from 49 countries and concluded that these drugs should not be used routinely to treat head injury

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.

Doubling of steroid before severe asthma attack ineffective

A recent study published in The Lancet found that doubling the dose of inhaled corticosteroid before a severe asthma attack does not provide additional benefits. The research involved 390 patients who monitored their asthma for up to one year and received either an extra inhaler or placebo when control deteriorated.

Preliminary report suggests combination therapy may help treat SARS

Researchers found that patients treated with corticosteroids plus interferon alfacon-1 experienced faster resolution of chest x-ray abnormalities and improved oxygen saturation levels compared to those treated with corticosteroids alone. This suggests that combination therapy may be a promising approach for treating SARS.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

April 2003 JACI Highlights

A study published in the April 2003 Journal of Allergy and Clinical Immunology found that asthma hospital visits doubled between 1978 and 1990, but stabilized afterwards. Controller medication use increased, particularly inhaled corticosteroids, while reliever medication use decreased. The data suggests that asthma treatment is becomin...

Update on national asthma guidelines released

The new guidelines stress the importance of inhaled corticosteroids for controlling and preventing asthma symptoms. The update also highlights the need for further research on combination therapy, particularly in young children.

Meta Quest 3 512GB

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