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

Apple iPhone 17 Pro

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

Race and short sleep duration increase the risk for obesity

A study by American Academy of Sleep Medicine finds that short sleep duration significantly increases the risk of obesity, particularly in black Americans, who have a 35% greater risk than whites. The study analyzed data from over 29,000 individuals and found that black Americans had a higher prevalence of both short sleep and obesity.

Problem solving and coping styles related to CPAP adherence

A study presented at SLEEP 2009 found that active problem-solving strategies and goal-oriented schedules are associated with successful CPAP use for obstructive sleep apnea. Individuals who use these styles are more likely to adhere to therapy, especially when defined by frequent nightly usage.

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.

Television watching before bedtime can lead to sleep debt

A large study found that television viewing is a dominant pre-sleep activity, accounting for nearly 50% of pre-bedtime. This can lead to reduced sleep time and increased health risks. Experts suggest limiting TV viewing before bedtime as a behavioral change to promote adequate sleep.

More than a bad night's sleep

A recent study published in Diabetes Care found that nearly 87 percent of obese individuals with type 2 diabetes were undiagnosed with sleep apnea, despite reporting symptoms. This association is alarming as untreated sleep apnea can increase the risk of heart disease and stroke.

Meta Quest 3 512GB

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

Sleep apnea may not be closely linked to heart failure severity

A study published in Journal of Cardiac Failure found that obstructive sleep apnea and central sleep apnea are prevalent in heart failure patients, with 47% experiencing moderate to severe breathing disorders. The prevalence was not decreased by beta-blockers and spironolactone treatment.

Sleep apnea thickens blood vessels, increases heart disease risk

Researchers found that obstructive sleep apnea thickens blood vessels due to NADPH oxidase enzyme activation, increasing the risk of pulmonary hypertension and other heart diseases. In mice, inhibiting NADPH oxidase reduced hypoxia-induced pulmonary hypertension, suggesting potential treatment strategies.

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.

Poor sleep quality leads to poorer prognosis after stroke

A study by Latha Stead found that patients with diagnosed or undiagnosed obstructive sleep apnea had a higher risk of death and poor outcomes after a stroke. The research suggests that regular screening for sleep apnea in emergency department settings could improve patient outcomes.

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.

Obesity linked to dangerous sleep apnea in truck drivers

A new study confirms obesity-driven testing strategies can identify commercial truck drivers with high likelihood of obstructive sleep apnea, suggesting mandatory screenings could reduce truck crashes. The study also highlights the need for prohibition of 'doctor shopping' to ensure drivers receive treatment.

Computerized mobile health support systems

Researchers at Fraunhofer Institute developed mobile sleep lab for home use, recording vital functions while sleeping. The device provides objective feedback on physical exercise levels, helping patients with heart problems and cardiovascular disease manage their conditions.

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.

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.

Celestron NexStar 8SE Computerized Telescope

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

Treating sleep apnea in Alzheimer's patients helps cognition

A randomized clinical trial found that CPAP treatment improved cognitive functioning in patients with mild to moderate Alzheimer's disease and obstructive sleep apnea. The study showed significant improvement in neurological test scores after treatment, suggesting clinicians should consider implementing CPAP treatment for these patients.

Eye conditions linked with obstructive sleep apnea

Researchers at Mayo Clinic have identified associations between obstructive sleep apnea (OSA) and various eye diseases, including primary open-angle glaucoma, normal-tension glaucoma, flopsy eyelid syndrome, nonarteritic anterior ischemic optic neuropathy, and papilledema. Early diagnosis and treatment are crucial for patients with OSA.

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.

New sleep medicine research presented at CHEST 2008

Researchers found that difficulty falling asleep was associated with a lower risk of hypertension in men who were not African-American. Omega-3 fatty acid levels may affect sleep apnea severity, while sedative-hypnotic medication could improve CPAP compliance. BMI may predict sleep apnea diagnosis in children.

Even mild sleep apnea increases cardiovascular risk

People with mild sleep apnea may be at increased risk for cardiovascular disease due to impaired endothelial function and increased arterial stiffness. A recent study found that minimally symptomatic obstructive sleep apnea can significantly increase cardiovascular risk, even in those without daytime sleepiness.

New light on link between snoring and cognitive deficits in children

A new study published in the American Journal of Respiratory and Critical Care Medicine found that children with sleep-disordered breathing (SDB) experience cognitive deficits, but the severity is difficult to correlate. Researchers measured regional cerebral oxygen concentration and blood pressure during sleep to understand the comple...

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.

Surgery may help, but not cure, obese children with sleep disorders

New research suggests that surgical interventions for obese children with obstructive sleep apnea may alleviate symptoms but not eliminate the condition. The study found that removing tonsils and adenoids can reduce sleep apnea, but persistent cases require careful evaluation and treatment to prevent further complications.

Erectile dysfunction related to sleep apnea may persist, but is treatable

Research suggests that sleep apnea can lead to erectile dysfunction due to chronic intermittent hypoxia. However, treatment with tadalafil can reverse the effects and improve sexual function in mice exposed to CIH for extended periods. Further studies are needed to explore alternative interventions.

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.

Sleep apnea linked to increased risk of death

A new study found that sleep-disordered breathing is associated with a two- to three-fold increase in the risk of death among adults aged 30 to 60. The severity of breathing issues was linked to an increased risk, with severe cases doubling mortality risk.

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.

Primary snoring in children impacts cardiovascular functioning

A study by Angela Jackman and colleagues found significant differences in heart rate and heart rate variability among children with primary snoring compared to controls. The results suggest that primary snoring may impact cardiovascular functioning equivalent to that of moderate obstructive sleep apnea.

Memory loss linked to common sleep disorder

Researchers at UCLA have discovered a link between sleep apnea and memory loss, finding nearly 20% smaller mammillary bodies in patients with the disorder. This suggests a long-lasting brain injury from repeated drops in oxygen, leading to cell death and inflammation.

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.

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.

Link between migranes and sleep disorders in children

Research finds a strong correlation between migraines and sleep disorders in children, including obstructive sleep apnea (OSA) and tooth grinding. Children with migraines are twice as likely to have OSA and experience shorter REM sleep, highlighting the importance of addressing sleep issues in pediatric headache management.

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.

Sleepy driving highly prevalent among college students

A study of 263 college students found that 17% reported falling asleep behind the wheel, while 2.2% had accidents due to sleepiness. The study highlights the increased risk of driving among those with significant daytime sleepiness.

Socioeconomic factors predict CPAP adherence

A study found that higher neighborhood socioeconomic factors and social support are associated with better continuous positive airway pressure (CPAP) adherence. Patients from disadvantaged neighborhoods spent less time using their CPAP machines, highlighting the need to address challenges in accessing effective treatment.

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.