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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

Could melatonin be the key to healthy aging?

Research suggests that melatonin treatments can improve sleep quality, physical health, and mental well-being in older adults. Melatonin deficiency is associated with decreased circadian system robustness and increased risks of age-related diseases.

Housework gender differences may affect health in elderly men and women

The study found that elderly men and women spent significant amounts of time on different types of housework activities. While engaging in some housework was beneficial to the health of older adults, long periods combined with too much or too little sleep were associated with poor health among elderly women. In contrast, elderly men wh...

General anesthetics do more than put you to sleep

Research reveals general anesthetics disrupt synaptic connectivity, affecting communication between neurons across the entire brain. This disruption allows for effective anesthesia while patients experience grogginess and disorientation after surgery.

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.

Sleeping for longer leads to a healthier diet

A King's College London study found that extending sleep hours by up to 1.5 hours per night resulted in a 10-gram reduction in reported free sugar intake. The researchers also noticed trends for reduced total carbohydrate intake among participants in the sleep extension group.

Study: Sleeping sickness not just a sleeping disorder

A study published in Nature Communications reveals that African trypanosomiasis, also known as sleeping sickness, is a circadian rhythm disorder caused by the acceleration of biological clocks. This understanding could lead to the development of new therapeutic alternatives to toxic treatments.

Apple iPhone 17 Pro

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

Scheduled feeding improves neurodegenerative symptoms in mice

Researchers found that restricting food availability to a set schedule improved motor activity and sleep quality in mice with Huntington's disease. These findings suggest that eating on a strict schedule could improve quality of life for patients with neurodegenerative diseases.

No rest for weary canola plants

Research found that high nighttime temperatures have a significant negative impact on canola plant production, particularly during the flowering and seed-forming stages. Temperatures between 68-73°F cause a decrease in yield, grain number, and final grain weight.

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.

Behavioral intervention improves sleep for hospitalized pregnant women

A hospital-based behavioral intervention protocol, including sleep hygiene and cognitive behavioral therapy, improved sleep in women hospitalized for a high-risk pregnancy. Women in the intervention group had significantly lower sleep disturbance scores and fewer symptoms that can interfere with sleep compared to controls.

Amber-tinted glasses may provide relief for insomnia

Researchers at Columbia University Irving Medical Center found that wearing amber-tinted lenses before bed can improve sleep quality in individuals with insomnia. Participants wore wrap-around frames with amber or clear lenses for seven consecutive nights, resulting in an average of 30 minutes extra sleep and improved insomnia severity.

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.

A complex genetic network controls whether fruit flies need to sleep in

Researchers identified 126 genetic variations in wild fruit flies that affect sleep duration, with some individuals needing more or less sleep than others. The study suggests that multiple signaling pathways contribute to sleep duration and may explain why a single purpose for sleep has been difficult to pin down.

Duration of sleep increases and sleeping difficulties decrease after retirement

After retiring from work life, people sleep approximately 20 minutes longer than before retirement and experience improved sleep quality. This is particularly true for individuals who had previously experienced sleep difficulties or were heavy alcohol users, with a notable decrease in early morning awakenings and nonrestorative sleep.

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.

Teens get more sleep when school starts later

Research by Penn State found that high school start times after 8:30 a.m. increased the likelihood of teens obtaining eight hours of sleep, benefiting their overall health. Earlier school start times were associated with decreased time in bed and morning wake-up times.

Opening windows and doors may improve sleep

A recent study found that opening windows or doors reduces carbon dioxide levels in bedrooms, correlating with improved subjective sleep assessments. Lower CO2 levels also associated with better objective sleep measures, including efficiency and awakenings.

Study examines which adolescents benefit most from sleep interventions

A recent study published in the Journal of Child Psychology and Psychiatry reveals that cognitive-behavioral sleep interventions are most effective for adolescents with higher levels of anxiety and depressive symptoms. These findings suggest that sleep improvement treatments can be a useful tool in addressing mental health issues.

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.

Sunrise and sunset guide daily activities of city-dwellers

Researchers used 'reality mining' to analyze mobile phone records of one million people, finding that the timing of sunrise and sunset still guides daily activities. The study also reveals sex differences in sleep duration, with women sleeping more than men as they age.

Researchers reveal new insights into why sleep is good for our memory

Researchers at the University of York found that sleep helps us use our memory in a flexible and adaptable manner by strengthening both old and new versions of an experience. This process allows for the adaptive updating of memories, but can also lead to distortions if incorrect information is incorporated.

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.

Removing digital devices from the bedroom can improve sleep for children, teens

Penn State researchers recommend removing electronic devices from bedrooms, establishing bedtime routines, and avoiding bright lights to improve sleep in children and adolescents. The study suggests screen-based media consumption leads to delayed bedtimes, reduced total sleep duration, and negative effects on sleep quality.

Youth uniquely vulnerable to sleep disruption from screens

A review of over five dozen studies reveals that excessive screen time in youths aged 5-17 is associated with delayed bedtimes, fewer hours of sleep and poorer sleep quality. Biological, neurological and environmental factors contribute to the negative impact of digital media on sleep patterns.

Research documents link between nightmares and self-harm

Researchers at Florida State University found a connection between nightmares and self-injurious behavior, such as cutting or burning oneself. The study suggests that nightmares can disrupt emotional regulation, leading to increased risk of self-injury.

Study shows how memories ripple through the brain

A recent NIH-funded study used innovative NeuroGrid technology to show that sleep boosts communication between the hippocampus and association neocortex, crucial for memory formation. The research suggests that neural dialogue between these regions helps retain information 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.

Smell sensitivity varies with circadian rhythm, study suggests

Researchers found that smell sensitivity peaks in the late evening and varies over the course of a day, influenced by internal circadian rhythms. This discovery has implications for assessing a patient's sense of smell and may affect food choices and eating behaviors among teens.

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.

Sleepwalkers are better at automatic walking

Research reveals sleepwalkers have improved automation in movement control compared to non-sleepwalkers. They maintain speed and accuracy during tasks requiring conscious attention, indicating potential daytime markers for sleepwalking diagnosis.

Physical inactivity and restless sleep exacerbate genetic risk of obesity

A large-scale study found that low physical activity and inefficient sleep patterns intensify genetic risk factors for obesity, confirming previous findings with new, more objective measurements. The study also showed a gene-activity interaction between physical activity levels and genetic variants associated with obesity.

More teens than ever aren't getting enough sleep

A new study by San Diego State University finds that adolescents are sleeping fewer hours per night than older generations, with 40% of teenagers in 2015 sleeping less than 7 hours a night. Young people's increased smartphone use is linked to decreased sleep, with teens who spend more time online being more likely to not get enough sleep.

Skimping on sleep may contribute to gestational diabetes

A new study found that pregnant women who get less than 6 hours of sleep per night have a higher risk of developing gestational diabetes. Average sleep duration of less than 6 hours was associated with a 1.7 fold increase in the risk of being diagnosed with gestational diabetes.

Sleep duration may affect the integrity of sperm DNA

A study of 796 male volunteers found that shorter or longer sleep durations were associated with lower High DNA Stainability in sperm. Volunteers sleeping 6.5 hours or less had 30% lower DNA stainability compared to those sleeping 7-7.5 hours.

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.

AASM releases position statement on home sleep apnea testing

The American Academy of Sleep Medicine (AASM) has released a position statement on home sleep apnea testing, emphasizing the importance of a physician's involvement in diagnosing and treating obstructive sleep apnea. The guideline outlines conditions under which a home sleep apnea test can be used for diagnosis.

Sleep on your side, not your back in late pregnancy

A new study published in The Journal of Physiology found that pregnant women who sleep on their backs during late pregnancy may be at increased risk of late stillbirth. Fetal activity levels were lower when mothers slept on their backs, suggesting a potential link between maternal position and fetal wellbeing.

New NIH grant will study alcohol's effects on the nervous system

The study aims to determine whether evening binge drinking causes sleep apnea, neural disregulation and abnormal rhythms in blood pressure. Researchers will also examine how menstrual phases affect women's bodies and explore the impact of CPAP on negative effects.

A hard lesson -- the way poor sleep impacts on schooling

Research found that over a third of primary school children are getting less than ten hours of sleep per night, with poor sleep associated with difficulties in paying attention in class and keeping up with school work. Removing technology from the bedroom may help improve sleep outcomes.

Celestron NexStar 8SE Computerized Telescope

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

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.

New tool demonstrates high cost of lack of sleep in the workplace

A new fatigue cost calculator reveals that US employers can lose up to $1.4 million annually due to employee sleep deficiency. The calculator estimates costs for absenteeism, productivity loss, healthcare expenses, accidents, and other occupational costs associated with exhausted employees.

Signs of sleep seen in jellyfish

Researchers observed reduced pulsing activity at night and delayed responses to stimulation in the upside-down jellyfish Cassiopea. The findings suggest that jellyfish do indeed sleep, but the study also raises more questions about the origin of sleep and its relationship with neural systems.

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.

Brain activity may buffer against insomnia-related depression

Research suggests that higher reward-related ventral striatum activity may protect against depressive symptoms associated with poor sleep quality. The study found that students with higher VS activity were less likely to report symptoms of depression when experiencing poor sleep quality.

Why bad sleep doesn't always lead to depression

A new study found that individuals with higher reward-related ventral striatum activity are less likely to experience depressive symptoms when they have poor quality sleep. This finding may help identify individuals for whom sleep hygiene is more effective or important.

Meta Quest 3 512GB

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

Impaired sleep may have serious health consequences for kidney disease patients

A study found that individuals with chronic kidney disease who experienced high sleep fragmentation were at elevated risk of developing kidney failure. Higher sleep fragmentation and shorter sleep duration were also linked to steeper declines in kidney function over time. Subjectively measured daytime sleepiness was associated with an ...

Poor sleep hastens progression of kidney disease

Chronic kidney disease is characterized by gradual loss of kidney function over time. Poor sleep duration and quality are associated with steeper declines in kidney function and increased risk of developing kidney 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.

Are you barking up the wrong tree by sleeping with your dog?

A new Mayo Clinic study found that sleeping with dogs can help people sleep better, but only if they're in the bedroom, not in bed. The study of 40 healthy adults and their dogs over five months showed that having pets nearby can provide comfort and security.