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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

Anti-anxiety drugs and sleeping pills linked to risk of death

A large study published in BMJ reveals that anti-anxiety drugs and sleeping pills are associated with a doubling in the risk of mortality. The researchers emphasize the need for careful use of these medications, recommending alternative options such as cognitive behavioral therapy to minimize their side effects.

Poor sleep quality linked to cognitive decline in older men

A new study of older men found that poor sleep quality is associated with a 40-50% increase in the odds of clinically significant decline in executive function. Sleep fragmentation and lower sleep efficiency were key predictors of cognitive decline.

Celestron NexStar 8SE Computerized Telescope

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

Erectile dysfunction can be reversed without medication

A new study published in the Journal of Sexual Medicine found that 29% of men with erectile dysfunction were able to reverse their condition through lifestyle changes. The study highlights the importance of addressing risk factors such as obesity, alcohol intake, and sleep disorders to improve sexual health.

Sleep may stop chronic pain sufferers from becoming 'zombies'

A study by the University of Warwick found that sleep quality is a key driver of daytime physical activity in chronic pain patients. Engaging in physical activity can be a crucial treatment process for managing chronic pain. By improving sleep quality, sufferers may overcome their motivation to stay inactive due to pain.

Specialized care improves treatment outcomes in patients with sleep apnea

A new study found that patients with obstructive sleep apnea who received care from board-certified sleep medicine physicians and accredited sleep centers were two times more likely to be adherent to positive airway pressure (PAP) therapy. Patient satisfaction was also associated with physician certification.

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.

Sleep disturbance following acute fractures not related to injury

Researchers assessed 1,095 patients following acute fractures and found poor sleep independently associated with poor emotional status. Orthopaedic surgeons should monitor patient mental health and counsel patients on sleep expectations to provide highest level of care after fracture treatment.

Researchers identify gene that helps fruit flies go to sleep

Scientists have identified a mutant gene in fruit flies that disrupts their ability to sleep, leading them to discover a protein that regulates sleep patterns and cycles. The discovery could lead to new treatments for insomnia and sleep disorders in humans.

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.

Obese adolescents not getting enough sleep?

A study found that low sleep duration in obese adolescents significantly increases their risk of cardiometabolic diseases. Researchers used physical activity monitors to measure typical patterns of physical activity and sleep, and found a strong association between sleep duration and cardiometabolic risk score.

Effects of meth use on brain metabolism, sleep studied

Chronic methamphetamine use is linked to excessive glucose utilization in the brain, paired with daytime sleepiness. The paradox of these symptoms can be explained by a biochemical process that occurs during sleep, cleaning up unnecessary connections between brain cells.

Study links poor sleep quality to reduced brain gray matter in Gulf War vets

A new study found an association between poor sleep quality and reduced gray matter volume in the brain's frontal lobe of Gulf War veterans. The study controlled for comorbid psychiatric conditions and found that poorer subjective sleep quality was associated with reduced total cortical and regional frontal lobe gray matter volumes.

Apple iPhone 17 Pro

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

Study examines correctional officer stress

A new study by Sam Houston State University found that conflicts between work and family life were the most significant issues affecting correctional officers' stress and job satisfaction. The study identified demands from work, incompatibility between work and home roles, and family circumstances as major contributors to job stress.

Why does the brain remember dreams?

Researchers found that high dream recallers show stronger brain activity in areas involved in attention and memory, suggesting increased ability to encode dreams in memory. This study provides insights into the neural mechanisms behind dream recall and has implications for understanding the mysteries of dreaming.

Study suggests sleep apnea may contribute to fatigue in multiple sclerosis

A new study reveals that obstructive sleep apnea (OSA) is highly prevalent among people with multiple sclerosis (MS), and OSA risk is a significant predictor of fatigue severity. OSA may contribute to the debilitating fatigue experienced by MS patients, and clinicians should evaluate for underlying sleep disturbances.

Meta Quest 3 512GB

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

Could restless sleep cause widespread pain in older folks?

Researchers found that non-restorative sleep is a strong predictor of widespread pain onset among adults over 50. Anxiety and poor physical health also increase the risk of developing widespread pain. The study suggests combined interventions for both site-specific and widespread pain are needed for older adults.

WSU research study supports new safety rule for truck drivers

A revised provision in new hours-of-service regulations for truck drivers has been shown to combat fatigue more effectively than the previous version. After a 2-night break, drivers with two or more nighttime periods in their restart breaks reported fewer lapses of attention and less sleepiness.

Nighttime smartphone use zaps workers' energy

A Michigan State University study found that nighttime smartphone usage for work purposes leads to decreased productivity and increased fatigue the next day. The research suggests that smartphones' blue light emission disrupts melatonin production, hindering sleep recovery.

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.

New study finds mistimed sleep disrupts rhythms of genes in humans

A study from the University of Surrey found that mistimed sleep can lead to a six-fold reduction in genes displaying circadian rhythms. This disruption affects many biological processes, including those regulated by central body clocks. The research provides new insights into the relationship between sleep and gene expression.

Patients with spinal cord injuries should be assessed for sleep apnea

A study finds that 77 percent of spinal cord injury survivors have symptomatic sleep-disordered breathing, while 92 percent experience poor sleep quality. The nature of sleep apnea in these patients is complex, with a high occurrence of both obstructive and central sleep apnea events.

Study of Nepalese pilgrims challenges diagnosis of acute mountain sickness

A University of British Columbia study challenges the Lake Louise Score Questionnaire's reliability in diagnosing acute mountain sickness. Removing sleep quality from the questionnaire increased its accuracy, suggesting that unnecessary treatments may be administered to some individuals and others may not receive necessary treatment.

Fluke 87V Industrial Digital Multimeter

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

Bedtime for toddlers: Timing is everything, says CU-Boulder study

A new CU-Boulder study found that toddlers who go to bed later than their melatonin increase have difficulty settling down at night. Toddlers with longer intervals between melatonin release and bedtime take longer to fall asleep and experience increased bedtime resistance.

Silencing signals sent by parasite could aid sleeping sickness fight

Scientists at the University of Edinburgh made a groundbreaking discovery that could help combat the spread of sleeping sickness. By understanding how parasites communicate with each other, researchers may be able to develop new drugs to disrupt these messages and limit the disease's transmission.

CPAP therapy improves golf performance in men with sleep apnea

A new study found that CPAP therapy improves golf performance in middle-aged men with sleep apnea, leading to significant reductions in self-reported excessive daytime sleepiness and improved concentration. The treatment also resulted in a notable drop of 11% in average handicap index, especially among skilled golfers.

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.

Quadriplegics at risk for serious sleep breathing disorder

Researchers investigated sleep breathing in quadriplegic patients and found a significant correlation between spinal cord injury level and sleep-disordered breathing. Those with cervical SCI were more likely to have central sleep apnea, which can be life-threatening if left untreated.

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.

Study links sleep to mood disturbance and poor quality of life in obese

A study found that 74.8% of obese patients were poor sleepers, with significant associations between sleep quality and mood disturbance, as well as anxiety and depression. The study highlights the importance of screening for sleep problems in individuals with severe obesity to improve quality of life.

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.

Insomnia linked to mortality risk

Researchers at Brigham and Women's Hospital found a link between insomnia symptoms and higher mortality risk in men, particularly those with difficulty falling asleep and non-restorative sleep. The study, published online in Circulation, followed over 23,000 men for six years and found modest increases in cardiovascular-related death.

Consistent bed time and wake time linked to healthier weight

Research by Brigham Young University suggests that a consistent bedtime and wake time can lead to lower body fat. The study found that those with the best sleeping habits had healthier weights, with quality sleep being an important factor in body composition.

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.

Teen night owls likely to perform worse academically, emotionally

A new study from the University of California, Berkeley found that teenagers who go to bed late during the school year are more prone to academic and emotional difficulties. The study analyzed data from over 2,700 U.S. adolescents and found that school-year night owls had lower GPA scores and were more vulnerable to emotional problems.

How sleep aids visual task learning

New research reveals that sleep plays a crucial role in consolidating visual task learning through specific brain frequencies. Brainwaves of 15 volunteers were measured during sleep and training to demonstrate increased sigma power in the visual cortical area, leading to improved performance on the task.

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.

Blocking the active site of thiolase

Researchers at the University of Oulu, Finland, and the Helmholtz Center Berlin have shed light on the structure of thiolase, an enzyme crucial for lipid metabolism in parasites. By blocking the active site, lipid-like substances can be developed to inhibit parasitic metabolism.

Kids who sleep more, may eat less, new study finds

A new study published in Pediatrics found that children who slept more for a week consumed an average of 134 fewer calories per day and weighed half a pound less compared to those who slept less. The study suggests that enhancing school-age children's sleep at night could have important implications for preventing and treating obesity.

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.

To sleep, perchance to clean

A recent study published in Science shows that the brain's unique glymphatic system, responsible for removing waste, is highly active during sleep. This process clears away toxic proteins associated with Alzheimer's disease, suggesting a vital function of sleep in maintaining brain health.

Brain may flush out toxins during sleep

A new study funded by NIH suggests that sleep plays a crucial role in removing toxic molecules from the brain, which can contribute to neurodegenerative disorders such as Alzheimer's disease. The glymphatic system, a plumbing system in the brain, is found to open during sleep, allowing fluid to flow rapidly and clearing out toxins.

Drowsy Drosophila shed light on sleep and hunger

Scientists discovered a function of sNPF, a neuropeptide, in regulating both sleep and food intake in Drosophila. Activating sNPF led to rapid sleep induction, with flies sleeping on food sources for days. This study provides insight into the interaction between sleep and metabolism.

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.