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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

Who's going to win? The answer could change by the hour

A study published in Current Biology found that athletes' performance peaks at different times of day based on their natural sleep patterns. The researchers used a novel test to characterize over 120 athletes' circadian phenotypes and discovered a significant variation in individual performance throughout the day.

Flexible work schedules improve health, sleep

A study found that giving employees more control over their work schedules can improve sleep quantity and quality, reducing the risk of chronic disease and early mortality. Participants experienced an average gain of nearly an hour of sleep per week compared to those without flexible scheduling.

Reducing work-family conflicts in the workplace helps people to sleep better

A new report published in Sleep Health found that reducing work-family conflicts in the workplace can lead to better sleep outcomes. Workers who participated in an intervention aimed at reducing conflict slept an hour more each week and reported greater sleep sufficiency compared to those who did not participate.

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

Good bedtime habits equal better sleep for kids

The study found that well-established rules for getting good sleep, such as limited caffeine and a regular bedtime, led to sufficient sleep quantity and adequate sleep quality. Reducing the encroachment of technology into sleep time is crucial to support well-known sleep hygiene principles.

Sleeping after learning is important for infants' long-term memory

Infants who slept for at least half an hour within four hours of learning reproduced significantly more actions than those who did not sleep. Timely sleep facilitates declarative memory consolidation in infants, according to a study by Ruhr-University Bochum researchers.

Napping helps infants' memory development

A new study from the University of Sheffield found that daytime naps of 30 minutes or more help infants retain and remember new behaviors. Infants who did not nap showed no evidence of remembering the new information and behavior.

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.

How quality of sleep impacts academic performance in children

A study by researchers at McGill University and the Douglas Mental Health University Institute found that a good night's sleep is linked to better performance in math and languages, subjects critical for later learning and academic success. Higher sleep efficiency was associated with higher grades in these subjects.

Helping parents understand infant sleep patterns

Researchers highlight four areas of concern for parents and practitioners: normal sleep patterns, nightwakings, parental presence at bedtime, and safe sleep training. The study aims to educate nurse practitioners on sharing current knowledge with parents to promote healthy nighttime care choices.

Study finds eczema, short stature not associated overall

A study published in JAMA Dermatology analyzed data from nine population-based studies and found no overall association between eczema and short stature. However, a small group of children with severe eczema who experienced sleep disturbances showed potentially reversible growth impairment.

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Don't worry, be happy; just go to bed earlier

Researchers at Binghamton University found that individuals who sleep for shorter periods and go to bed later experience more repetitive negative thoughts. The study suggests that improving sleep timing may be an effective intervention for reducing symptoms of internalizing disorders.

Don't worry, be happy: Just go to bed earlier

A study published in Cognitive Therapy and Research found that individuals who sleep for shorter periods and go to bed later experience more repetitive negative thoughts. This association suggests that prioritizing regular sleep schedules may help mitigate anxiety symptoms.

Movements help measure child sleep problems

Researchers have developed a new measure to accurately group children into those with or without sleep-related breathing problems. The study found that movements during sleep are a key indicator of potential sleep problems, leading to improved diagnosis and treatment options.

Nearly 55 percent of US infants sleep with potentially unsafe bedding

A recent study found that nearly 55 percent of US infants sleep with potentially unsafe bedding, increasing the risk of sudden infant death syndrome. The researchers analyzed data from over 20,000 caregivers and reported a decline in safe sleep practices despite awareness campaigns.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Study links sleep apnea to impaired exercise capacity

A new study reveals that obstructive sleep apnea is associated with lower predicted peak oxygen uptake, a measure of aerobic physical fitness, in patients. Sleep apnea severity alone explained 16.1 percent of this variability, indicating a strong independent relationship between the two.

Important element in the fight against sleeping sickness found

Researchers from Aarhus University have discovered how a parasite in sleeping sickness disease recognizes human haemoglobin, a crucial step towards developing targeted treatments. This knowledge can lead to the development of new medicines that effectively combat the disease.

Sleep apnea linked to poor aerobic fitness

People with moderate to severe sleep apnea have a reduced aerobic fitness, even compared to those of similar body mass indices. The study found that sleep apnea patients had a lower peak oxygen uptake during aerobic activity than controls.

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.

Teens with earlier school start times have higher crash rates

A new study found that teen drivers who start class earlier in the morning are involved in significantly more motor vehicle accidents. The results suggest that early high school start times contribute to teens' reduced sleep and increased risk of drowsy driving accidents, including run-off-road crashes.

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.

Sleep starts later as teens age, but school still starts early

A new study tracked the changing sleep habits of children from ages 9 to 18, finding that sleep timing shifted later as they matured. Despite getting less sleep overall, teens' bodies resisted sleep signals longer, leading to groggier mornings and potential negative effects on academic performance and mental health.

High rate of insomnia during early recovery from addiction

A high rate of insomnia is reported in patients during early recovery from addiction, with evidence suggesting it can lead to increased risk of relapse. Behavioral treatments, such as cognitive-behavioral therapy (CBT), have been shown to be effective in reducing relapse risk.

Parents' work schedules may impact family members' sleep

A recent US study found that working mothers with nonstandard schedules experience insufficient sleep more often than those with standard hours. Working more than 35 hours per week was linked to increased difficulty in balancing work and family life for many mothers.

Insomnia increases risk of motor vehicle deaths, other fatal injuries

A new study suggests that insomnia is a major contributor to deaths caused by motor vehicle crashes and other unintentional fatal injuries. People with three insomnia symptoms were 2.8 times more likely to die from a fatal injury, highlighting the importance of healthy sleep for personal health and public safety.

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.

Could daylight saving time be a risk to diabetics?

Diabetic patients using insulin pumps are at risk of dosing errors if they forget to change the clock on their devices. This can lead to severe consequences, including hypoglycemia and hyperglycemia. Researchers call for increased awareness and education to ensure proper pump settings.

Clock gene dysregulation may explain overactive bladder

Scientists discovered a link between the body's circadian clock and bladder function, finding that disruptions to the daily cycle can cause overactive bladder. The study suggests that altering peripheral clock genes through receptor activators can regulate bladder contractions.

Accident prone eczema patients

Adults with eczema are more likely to experience accidental bone fractures and other injuries, according to a new Northwestern University study. The increased risk may be linked to the side effects of steroids and sedating antihistamines commonly prescribed for eczema.

Adult eczema may be unrecognized risk factor for fracture, other injuries

A nationwide study reveals that adults with eczema are more likely to suffer from fractures and bone or joint injuries. The prevalence of such limitations was found to be twice as high in adults with eczema compared to those without the condition, suggesting a previously unrecognized risk factor for injury.

The early chimp gets the fig

Researchers studied wild chimpanzee behavior in the Taí National Park, finding that they plan their breakfast time, type, and location to access limited figs. Chimpanzees depart earlier for distant fig sites, positioning their nests near these locations to maximize food acquisition.

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.

Chimps plan ahead for a good breakfast

Researchers found that chimpanzees strategically plan their breakfast time and location based on environmental factors and food availability, taking risks to secure desired fruits. The study reveals the complexity of chimpanzee cognitive behavior in complex environments.

New hope for drug discovery in African sleeping sickness

Researchers at Northeastern University have identified nearly 800 chemical compounds that could lead to a cure for African sleeping sickness, a deadly disease claiming thousands of lives annually. The discovery was made through screening and testing over 42,000 chemicals against the parasites that cause the disease.

Sleep duration affects risk for ulcerative colitis

A new study found that both short and long sleep durations are associated with an increased risk of developing ulcerative colitis. The study, published in Clinical Gastroenterology and Hepatology, followed over 90% of nurses for biennial questionnaires to examine the association between sleep duration and incident disease.

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.

VIDEO: The Internet sleeps -- in some parts of the world

Researchers tracked Internet usage across the globe, finding daily patterns and correlations between country GDP and Internet availability. This study helps scientists develop better systems to measure and track Internet outages, improving overall reliability.

Treating sleep apnea in cardiac patients reduces hospital readmission

A study of hospitalized cardiac patients found that effective treatment with positive airway pressure therapy reduces 30-day hospital readmission rates and emergency department visits. Patients who adhered to PAP therapy had a 30% lower risk of hospital readmission compared to those who used partial or no PAP therapy.

NASA sees newborn Tropical Storm Hudhud in Northern Indian Ocean

Tropical Storm Hudhud formed on Oct. 8 in the Northern Indian Ocean after a period of dormancy, with maximum sustained winds near 45 knots. The Joint Typhoon Warning Center predicts the storm will strengthen into a hurricane and make landfall near Visakhapatnam on Oct. 10.

Insomnia among older adults may be tied to sleep quality, not duration

A new study finds that insomnia symptoms in older adults may stem from poor sleep quality rather than long sleep hours. Discrepancies between self-reported insomnia and objective assessments using wrist actigraphy revealed that most older adults get sufficient sleep, but struggle with feeling rested.

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.

Sleeping in dentures doubles the risk of pneumonia in the elderly

A recent study published by the International Association for Dental Research found that sleeping in dentures doubles the risk of pneumonia in elderly individuals. The research, which followed over 500 seniors, identified that overnight denture wear was independently associated with a 2.3-fold higher risk of pneumonia incidence.

Falling asleep: Revealing the point of transition

Scientists developed a new statistical method to track the continuous changes in wakefulness during sleep onset, identifying healthy subjects who behave as though awake despite being clinically asleep. The study suggests that understanding how one falls asleep is crucial for improving sleep diagnosis and treatment.

Depression increasing across the country

A study by San Diego State University professor Jean M. Twenge found that Americans now report more psychosomatic symptoms of depression than their counterparts in the 1980s. These symptoms include trouble sleeping, concentration difficulties, memory problems, feeling overwhelmed, restless sleep, poor appetite, and lack of motivation.

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.

How plankton gets jet lagged

Researchers found that the hormone melatonin governs the nightly migration of a plankton species and may have evolved early in animal history. The study suggests that melatonin's role in controlling daily rhythms could be linked to the evolution of human sleep patterns.

After watching disturbing video, CPAP usage soars

A pilot study using emotional videos has led to a significant increase in CPAP machine usage among patients with sleep apnea, with some users reporting up to 2 hours of additional therapy per night. The approach, which uses personalized videos to create a sense of urgency, resulted in sustained improvement after three months.

Enzyme discovery paves way to tackling deadly parasite diseases

Researchers have discovered an enzyme that can be targeted to kill parasites causing deadly diseases such as sleeping sickness and Chagas disease. The study found that a small sugar molecule activates the enzyme, providing an opportunity to design drugs that block its activity in specific species.

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.

Study: Pain keeps surgery patients awake, extends hospital stay

A new study by Henry Ford Health reveals that pain can disrupt sleep in patients undergoing total hip replacement or knee replacement surgery, leading to longer hospital stays. The study found that better pain control could improve sleep duration for these patients.

Lack of sleep increases risk of failure in school

A Swedish study found that adolescents with sleep disturbance or short sleep duration are less likely to succeed academically. The research suggests that sleep may play a crucial role for adolescents' performance at school, with around 30% of participants reporting regular sleep problems.

Celestron NexStar 8SE Computerized Telescope

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

You can classify words in your sleep

Researchers found that parts of the brain continue to make word classifications even while asleep. This ability may help explain everyday experiences like being sensitive to one's name or alarm clock sounds during sleep. The study also suggests unconscious processing isn't limited by task complexity but rather by automation.

Brain damage caused by severe sleep apnea is reversible

A neuroimaging study reveals that severe obstructive sleep apnea causes significant damage to brain white matter integrity in multiple brain areas. However, continuous positive airway pressure (CPAP) therapy has been shown to reverse this damage and improve cognitive function, mood, and quality of life after just 12 months of treatment.

Sleeping on animal fur in infancy found to reduce risk of asthma

A new study found that sleeping on animal fur in the first three months of life may reduce the risk of asthma in later childhood. The research, presented at the European Respiratory Society International Congress, suggests that exposure to animal skin and fur could have a protective effect against asthma and allergies.

Study links healthy sleep duration to less sick time from work

A study published in the journal Sleep found that sleeping 7 to 8 hours per night is associated with the lowest risk of absence from work due to sickness. The optimal sleep duration was between 7 and 8 hours, with shorter or longer sleep durations increasing the risk of work absences.

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.