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

Anxiety linked to sleep disturbances

A five-year longitudinal observational cohort study found that anxiety is strongly associated with sleep disturbances. Those who experience severe life events are more likely to develop sleep disturbances, especially if they already have a predisposition to anxiety.

Apple iPhone 17 Pro

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

More reports of children having trouble falling asleep than maintaining sleep

A new study reveals that children have more difficulty initiating sleep than maintaining sleep, with parents often underestimating their child's sleep problems. The American Academy of Sleep Medicine offers tips to help children sleep better, including establishing a consistent bedtime routine and creating a relaxing environment.

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.

Women with severe PMS perceive their sleep quality to be poor

A study found that women with severe premenstrual syndrome (PMS) report poor sleep quality during the late luteal phase, while controls showed no significant differences. The researchers suggest that women with PMS may have underlying electroencephalogram trait markers.

Adolescents' use of cell phones after bedtime contributes to poor sleep

A study published in SLEEP found that adolescents who used their cell phones after bedtime were more likely to experience tiredness the next day. The researchers, led by Jan Van den Bulck, discovered that frequent phone use increased the risk of tiredness, with those using their phones daily being up to 5 times more likely to feel tired.

Work time is the largest influence to the duration of a person's sleep

A study published in the SLEEP journal found that work time has the largest reciprocal relationship to sleep time, with respondents working longer hours sleeping less. The study analyzed data from over 47,000 participants and found that travel time was also an unexpected factor affecting sleep.

MPH improves vigilance performance of ADHD children with poor sleep

A new study published in SLEEP journal shows that methylphenidate (MPH) significantly improves vigilance performance in children with ADHD who have poor sleep efficiency. The researchers tested 37 children aged 6-12 and found a moderate increase in arousal levels, facilitating improved performance.

Celestron NexStar 8SE Computerized Telescope

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

Violent behavior that occurs during disorders of arousal is provoked

A review of 32 cases finds violent behavior most frequently appears after direct provocation or close proximity, affecting 81% of sleep terror patients and 100% of confusional arousal patients. Sleepwalking episodes often follow minor provocation, with men displaying more aggressive behavior.

Rotating shift workers have lower levels of serotonin

A recent study published in SLEEP found that rotating shift workers have significantly lower levels of serotonin compared to day workers. This could have implications for the treatment of associated comorbidities and behavioral problems in rotating shift workers.

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.

Prenatal stress keeps infants, toddlers up at night, study says

Anxious or depressed mothers-to-be are at increased risk of having children who experience sleep problems in infancy and toddlerhood. Babies born to mothers classified as anxious or depressed during pregnancy exhibit more sleep problems, even after controlling for other factors.

Older women with memory problems at increased risk for restless nights

A study published in the American Academy of Neurology found that older women experiencing memory loss are more likely to have sleep disturbances. The nearly 25% of women who experienced cognitive decline were twice as likely to experience sleep disturbances as those without memory problems.

Reducing the cost of sleep disorders

The project aims to develop a cost-effective solution to reduce the financial burden of sleep disorders on the Australian healthcare system. The new web-based intelligent decision support system will enable more accurate diagnoses and help determine if a night at the sleep centre is necessary.

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.

Sleep deprivation can threaten competent decision-making

A study published in SLEEP found that sleep deprivation can adversely affect decision-making at a gambling table by elevating the expectation of gains and making light of losses. Brain imaging revealed selectively more active anticipation of reward in the nucleus accumbens, while attenuated response to losses in the insula.

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.

Promising treatment for post-traumatic stress disorder sleep disturbances

A recent study published in Biological Psychiatry found that prazosin significantly reduced trauma nightmares, improved sleep quality, and enhanced overall clinical condition in chronic PTSD patients. The study involved 40 veterans with PTSD, who showed a 71% improvement rate compared to those receiving placebo.

Study finds drug helps PTSD nightmares

A study found that a generic drug called prazosin improves sleep quality and reduces trauma nightmares in veterans with posttraumatic stress disorder (PTSD). The drug, already used for high blood pressure and prostate problems, was shown to improve overall well-being and functioning.

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 sleep gene discovery wakes up scientists

Researchers found that genetic mutations cause the PERIOD protein to degrade more quickly, contradicting previous thinking. This discovery could lead to new treatments for sleep disorders and depression by manipulating the circadian rhythm.

Passive TV viewing related to children's sleeping difficulties

A study of 321 Finnish parents found that both active and passive TV viewing were associated with shorter sleep duration and increased sleeping difficulties. High levels of passive exposure to TV, especially adult-targeted programs, were strongly linked to sleep disturbances.

Fluke 87V Industrial Digital Multimeter

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

Moderate to severe sleep-disordered breathing can lead to stroke

A long-term study found that individuals with moderate to severe sleep-disordered breathing have a significantly increased odds of suffering a stroke over the next four years. The study analyzed data from 1,475 participants and revealed that 21 people suffered their first-ever stroke at an average age of 53.

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.

Do the Europeans turn ill sitting up so late?

The EU-funded sleep restriction project aims to characterize the effects of sleep loss on performance, mood, and quality of life. Researchers from five countries are working together to provide funding for doctoral and post-doctoral researchers and a high-level research training program.

Employee with sleeping disorder has to work extra hard

Research psychologist Michel Varkevisser found that employees with chronic sleeping complaints perform less well under controlled laboratory conditions. However, when self-reliant in boring circumstances, they can maintain high performance levels but at a long-term cost to their physical well-being.

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.

Fruit fly study points to treatment for fragile X syndrome

Researchers found that lithium-based drugs restored normal courtship behavior in mutant fruit flies with Fragile X syndrome, suggesting a potential new approach to treating the condition. The study also identified metabotropic glutamate receptor hyperactivity as a key contributor to the disease's symptoms.

New research explores 'early bird' and 'night owl' sleep patterns

A study using three strains of inbred laboratory rats found significant variations in slow wave sleep, activity, and rest periods, suggesting a genetic link to the 'early bird' and 'night owl' phenomenon. The research aims to establish the genomic basis of normal and abnormal variation in sleep patterns.

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.

Tracing the neural circuitry of ‘second sight’

Researchers mapped the neural circuitry of a light-sensing system that governs the body's internal clock and regulates sleep-wake cycles, discoveries that could lead to new treatments for jet lag and depression. The study identified melanopsin as a key player in this system.

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.

Study shows sleep disruption to be arthritis sufferers' chief complaint

A new study reveals that sleep disruption is a primary reason older adults with arthritis seek medical care, outweighing other symptoms like reduced mobility. The research suggests addressing sleep issues can be crucial in managing arthritis, particularly for those who may not connect their pain with sleep disruptions.

Research uncovers new information about drivers in 'drowsy' accidents

Researchers found that drivers involved in sleep-related crashes were four to five times more likely to work night-shift jobs and had built up 'sleep debt' or gotten far too little sleep before driving. These drivers often relied on ineffective tactics like opening windows or turning up the radio, and put themselves and others at risk ...

Sleep debt affects metabolic functions

A study of 11 young men found that sleep debt increased glucose concentrations in the blood, while altering cortisol levels and thyroid hormone regulation. The research suggests that persistent sleep debt may exacerbate age-related chronic disorders.

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.

Researchers discover genetic basis of heritable sleep disorder

A team of researchers has identified a single gene that causes familial advanced sleep phase syndrome (FASPS), a rare sleep disorder. The study found that the disorder follows a simple Mendelian inheritance pattern, making it easier to find the responsible gene and potentially leading to new treatments for circadian rhythm disorders.

Sleep plays role in managing childhood chronic pain

Research highlights the importance of sleep in managing childhood chronic pain, including its effects on physical health and mental well-being. Behavioral treatments such as relaxation techniques and distraction methods can also help improve children's sleep and reduce pain symptoms.

How Do We Hear When We Sleep?

A Johns Hopkins University undergraduate has located the brain region that processes sounds while people sleep. The frontal lobe responds to both primary and secondary auditory activation, suggesting a role in vigilance functions during sleep.

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.

Natural Killer Cells Need A Good Night's Sleep

Researchers found that patients with bereavement-related depression had decreased natural killer cell counts after disrupted sleep. The study provides direct evidence of the stress-immune relationship and highlights the importance of good sleep for maintaining health in the elderly.

Predicting Accident Times On The Job

Researchers identified two critical periods of high error rates: before dawn and mid-afternoon. By understanding these patterns, workplaces can design jobs that exploit human strengths while protecting against attentional lapses caused by sleep deprivation.

Permissive Parenting May Be Hurting Kids' Sleep

Lax and permissive parenting styles are strongly associated with sleep disturbances in children. Children with intense negative temperament characteristics and behavioral problems during the day are more likely to experience sleep problems.

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.