Bluesky Facebook Reddit Email

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

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.

Children with migraine at increased risk of sleep disturbances

A recent study found that children with migraine are twice as likely to have sleep apnea and experience shorter total sleep time compared to their peers. This association was also observed in children with non-specific headache and those who were overweight.

Meta Quest 3 512GB

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

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.

Molecular biology of sleep apnea could lead to new treatments

Researchers have identified a link between protein misfolding and sleep apnea, finding that cells with healthy proteins may repair themselves, while unhealthy cells self-destruct. A drug called salubrinal shows promise in preventing cell death, but its toxicity limits its potential.

Surgery improves quality of life for children with sleep apnea

A tonsillectomy and adenoidectomy has been shown to provide dramatic relief from obstructive sleep apnea (OSA) in children, with 80-90 percent experiencing significant improvement. The surgery can lead to a profound positive effect on children's quality of life.

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.

AASM approves home sleep testing to detect sleep apnea

The American Academy of Sleep Medicine (AASM) has approved home sleep testing as a tool to detect moderate to severe obstructive sleep apnea (OSA) in select adults. Home sleep tests are recommended for adults between 18 and 65 with high pretest probability of OSA and no comorbid medical conditions.

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.

News briefs from the December issue of Chest

Researchers found that good continuous positive airway pressure (CPAP) treatment compliance significantly reduced blood pressure in patients with obstructive sleep apnea. Additionally, oral prednisolone was shown to be equally effective as intravenous administration for treating COPD exacerbations, with the latter being preferred due t...

Apple iPhone 17 Pro

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

Procedure helps to eliminate sleep apnea

Researchers found that uvulopalatopharyngoplasty (UPPP) eliminated obstructive sleep apnea (OSA) in approximately one quarter to one-third of patients. The procedure also reduced the mean apnea-hyponea index, with patients experiencing a more than half reduction in nonbreathing episodes.

New research about gender differences

Asthma diaries found to improve self-efficacy and reduce doctor visits in women with severe asthma. Research also links iron deficiency to increased coughing in women and neck size to sleep apnea severity, especially in women. Furthermore, a high prevalence of sexual dysfunction is found in pre-menopausal women with obstructive sleep a...

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 sleep medicine research

Research studies found that obstructive sleep apnea (OSA) patients experience poor bedtime behaviors, fragmented sleep affects cholesterol levels, and first-night comfort determines CPAP compliance. Additionally, nightshift nurses are more likely to experience sleepiness despite receiving the same amount of sleep as dayshift counterparts.

Infrared imaging for sleep apnea diagnosis shows promise

Researchers found that remote infrared imaging can accurately detect sleep disorders during sleep, with results comparable to conventional methods. The non-contact method has potential as a portable alternative for monitoring sleep patterns in natural environments.

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.

Pain patients at risk for sleep apnea

A recent study found that chronic pain patients taking opioid therapy are at a higher risk of developing sleep apnea. The research, published in Pain Medicine, suggests a direct dose-response relationship between central sleep apnea and methadone and benzodiazepines.

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.

Nasal cannula may be viable treatment for sufferers of sleep apnea

Researchers at Johns Hopkins University found that nasal insufflation using a nasal cannula significantly reduced symptoms in patients with obstructive sleep apnea and hypopnea. The treatment, known as TNI, delivered warm, humidified air at a high flow rate, showing marked improvements in patients with both mild and severe disorders.

Sleep deprivation can lead to smoking, drinking

A study of 1,362 Chinese adolescents found that sleep deprivation was significantly associated with increased risk of smoking and drinking. Sleeping less than eight hours at night, nightmares, and difficulty initiating sleep were key factors linked to these behaviors.

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.

OSA symptoms more common among African-American women than Caucasians

Middle-aged African-American women are more likely to experience obstructive sleep apnea (OSA) symptoms than their Caucasian counterparts, according to a study. Menopausal status was not a significant predictor of OSA symptoms, but race remained a significant factor after adjusting for BMI and menopausal status.

Longer treatment benefits sleep apnea patients

Adults with obstructive sleep apnea benefit significantly from prolonged CPAP use, with 7.5 hours shown to maximize daytime alertness and functioning. Most patients should use CPAP for at least 7.5 hours each night to realize the greatest possible benefits of therapy.

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.

Journal Sleep: Longer CPAP use at night can normalize one's daytime functioning

A recent study published in the SLEEP journal found that patients with severe obstructive sleep apnea (OSA) who used continuous positive airway pressure (CPAP) for longer periods at night experienced improved daytime functioning and reduced sleepiness. The study, conducted by Dr. Terri E. Weaver, suggests that a greater percentage of p...

Sleep apnea increases risk of diabetes and hypertension in pregnant women

A recent study has linked sleep apnea to a higher incidence of gestational diabetes and pregnancy-induced high blood pressure. The researchers analyzed data from over 4 million deliveries and found that women with sleep apnea were more likely to develop these conditions, particularly when their weight was taken into account.

Sleep apnea may increase risk of diabetes

Research finds patients with sleep apnea have a higher risk of developing diabetes, independent of other factors. The severity of sleep apnea is also associated with the risk, highlighting the need for further investigation into treatment options.

Sleep apnea increases risk of heart attack or death by 30 percent

A new study has found that sleep apnea significantly increases the risk of heart attack or death over a period of four to five years. Researchers followed 1,123 patients with sleep apnea for five years and found that those with more severe symptoms were at higher risk of developing heart disease.

Sleep apnea patients have greatly increased risk of severe car crashes

A recent study has found that people with sleep apnea are twice as likely to be involved in a car crash and three to five times more likely to have a serious crash involving personal injury. The study, which analyzed data from 800 patients with sleep apnea and 800 without the condition, highlights the severity of the risk.

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.

Anxiety hikes risk of heart attack, death

Research shows that highly anxious patients with heart disease face nearly double the risk of heart attack or death compared to those with a more serene outlook on life. Patients who started out highly anxious but later found inner calm markedly reduced their risk.

Government fails sleepy Judge Dodd

Research Australia's Woolcock Institute study highlights occupational sleepiness in white-collar workplaces, including courts and hospitals. The report emphasizes the need for active monitoring and screening to treat sleep disorders, preventing situations like Judge Dodd's cancelled driver's licence.

Actigraphy is a useful way to assess and manage sleep disorders

Actigraphy is a reliable tool for evaluating sleep disorders, including advanced sleep phase syndrome, delayed sleep phase syndrome, and shift work disorder. It also helps characterize circadian rhythms and sleep patterns in patients with insomnia and hypersomnia.

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.

Obstructive sleep apnea patients show silent brain infarction lesions

Research suggests that obstructive sleep apnea patients with moderate to severe disease are at higher risk for stroke due to silent brain infarction lesions. The use of continuous positive airway pressure therapy has been shown to lower markers of platelet activation and reduce the incidence of subsequent ischemic brain lesions.

Fluid displacement from legs to neck can lead to obstructive sleep apnea

Research found that fluid displacement from the legs to the neck can narrow soft tissue around the throat and increase airflow resistance in healthy individuals, predisposing them to obstructive sleep apnea. The study involved measuring leg fluid volume, neck circumference, and airflow resistance in 11 non-obese subjects, with results ...

Celestron NexStar 8SE Computerized Telescope

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

Sleep problems in overweight children appear fairly common

Research published in Obesity shows that one-fourth of overweight, inactive children tested positive for sleep-disordered breathing. After three months of vigorous exercise, the number of children with sleep disorders was cut in half, and even those who exercised less saw an improvement on a pediatric sleep questionnaire.

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.

High blood pressure in kids linked with sleep breathing problems

A recent study published by the American Heart Association found that children with high blood pressure are at risk for sleep breathing disorders. Researchers discovered that 60% of hypertensive children had sleep disordered breathing, which can lead to daytime fatigue, poor school performance, and increased blood pressure.

Updated sleep apnea screening recommended for commercial drivers

The American College of Chest Physicians, along with the American College of Occupational and Environmental Medicine and the National Sleep Foundation, has released updated recommendations for screening and managing obstructive sleep apnea (OSA) among commercial motor vehicle (CMV) operators. The guidelines aim to identify drivers at h...

Mayo clinic discovers new type of sleep apnea

Researchers at Mayo Clinic have identified a new type of sleep apnea called complex sleep apnea, which is a combination of obstructive and central sleep apneas. Complex sleep apnea patients often appear to have obstructive sleep apnea but do not fully respond to CPAP machines.

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.