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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

Researchers discover link between common sleep disorder and high blood pressure

A study by Emory University researchers has found a significant association between restless legs syndrome and high blood pressure. People with moderate to severe RLS are at increased risk for developing hypertension, with the likelihood of hypertension increasing by 50 percent in those who experienced over 30 PLMs per hour of sleep.

Apple iPhone 17 Pro

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

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.

OSA symptoms more common among African-American women than Caucasians

Middle-aged African-American women are more likely to experience obstructive sleep apnea (OSA) symptoms than their Caucasian counterparts, according to a study. Menopausal status was not a significant predictor of OSA symptoms, but race remained a significant factor after adjusting for BMI and menopausal status.

Sleep problems may affect a person's diet

Research suggests that individuals with sleep problems are less likely to cook at home and opt for restaurant-prepared meals, leading to a diet lacking in nutritional value. The study also found that prolonged sleep deprivation can contribute to weight and health issues related to nutrition.

Low libido in menopause linked to trouble sleeping

Research from Group Health finds a link between low libido during menopause and disrupted sleep patterns. Women experiencing reduced sexual desire are also more likely to report poor sleep quality and depression symptoms.

Fluke 87V Industrial Digital Multimeter

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

Journal Sleep: Longer CPAP use at night can normalize one's daytime functioning

A recent study published in the SLEEP journal found that patients with severe obstructive sleep apnea (OSA) who used continuous positive airway pressure (CPAP) for longer periods at night experienced improved daytime functioning and reduced sleepiness. The study, conducted by Dr. Terri E. Weaver, suggests that a greater percentage of p...

Approved medical resident hours still resulting in sleepy doctors

A new study found that medical residents who worked within the mandated 80-hour per week limit still experienced severe sleepiness, affecting their judgment and concentration. The researchers assessed objective and subjective sleepiness using multiple tests and found significant abnormalities on post-call days.

Smoking and sleep top the list of lifestyle factors impacting oral health

A study by the American Academy of Periodontology identifies smoking and lack of sleep as significant lifestyle factors impacting periodontal health. The study found that current smokers were at high risk for periodontal disease progression, while getting seven to eight hours of sleep can help prevent it.

New research helps overcome major CPAP problem

A cognitive behavioural therapy (CBT) intervention has been demonstrated to increase CPAP use among OSA sufferers, with 77% using the device for at least four hours a night. The study found major positive health implications, with improved adherence and reduced refusal rates compared to treatment as usual.

Celestron NexStar 8SE Computerized Telescope

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

Government fails sleepy Judge Dodd

Research Australia's Woolcock Institute study highlights occupational sleepiness in white-collar workplaces, including courts and hospitals. The report emphasizes the need for active monitoring and screening to treat sleep disorders, preventing situations like Judge Dodd's cancelled driver's licence.

Sleep strengthens your memory

Research found that sleep strengthens memory by protecting and consolidating information, leading to improved recall rates compared to wakefulness without interference. Sleep also helped individuals handle competing information more effectively.

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.

To understand the big picture, give it time -- and sleep

Researchers found that taking breaks from studies, including getting a good night's sleep, enhances relational memory and 'big picture' inferences. This 'off-line' processing period allows the brain to unconsciously mull over information, leading to improved performance on complex tasks.

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.

Sleep enforces the temporal sequence in memory

Researchers found that sleep enforces the temporal sequence in memories by replaying experiences in a forward direction. This process enhances word recall when students were asked to reproduce learned words in the correct order.

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.

'Night owls' report more insomnia-related symptoms

A study published in JCSM found that 'night owls' experience more sleep/wake irregularities and waking distress due to insomnia. Insomnia affects 30% of adults, leading to serious health problems like depression, obesity, and cardiovascular disease.

Mild head injuries increase risk of sleep disorders

Researchers found that up to 36% of people with mild traumatic brain injury suffer from circadian rhythm sleep disorder, which can worsen other symptoms. The study highlights the need for improved diagnosis and treatment of sleep disorders in these patients.

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.

Sleep quantity affects morning testosterone levels in older men

A recent study published in the journal SLEEP found that healthy older men who get less nighttime sleep have lower morning testosterone levels. The study, conducted by Plamen Penev, MD, PhD, used polysomnography and wrist activity monitoring to measure sleep duration and its impact on testosterone levels.

Actigraphy is a useful way to assess and manage sleep disorders

Actigraphy is a reliable tool for evaluating sleep disorders, including advanced sleep phase syndrome, delayed sleep phase syndrome, and shift work disorder. It also helps characterize circadian rhythms and sleep patterns in patients with insomnia and hypersomnia.

Repeated long haul flights cause problems for air crew

Air crew who work repeated long haul routes are at risk of menstrual cycle problems, transient psychotic disorders, and major affective disorders due to the effects of jet lag. The symptoms can last for several days and include disrupted sleep patterns, mood changes, and gastrointestinal difficulties.

Study shows many mental health needs go unmet

A large-scale assessment of the general population found that nearly 30% need mental health care, with major depression and alcohol dependence being the top concerns. The study suggests that societal pressures, stigma, and lack of comprehensive insurance coverage are significant barriers to accessing care.

Laying sleeping sickness to rest

Researchers have identified a novel pathway in Trypanosoma brucei parasites that can be triggered to shut down the synthesis of a crucial RNA molecule, leading to parasite death. This discovery has implications for eradicating other parasitic diseases such as Leishmania and Chagas disease.

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.

Human pubic lice acquired from gorillas gives evolutionary clues

A University of Florida study reveals that humans acquired pubic lice from gorillas around 3.3 million years ago, providing insights into human evolution and the history of parasites. The research suggests that lice can be transmitted through non-sexual means, such as sleeping in close proximity or feeding on prey.

Neuroscientist records surprising brain 'dialogue' during sleep

Researchers recorded activity in two brain regions during deep sleep, finding a complex 'dialogue' between the hippocampus and neocortex. The findings suggest that the neocortex drives communication during sleep, contradicting previous theories of hippocampal control.

Children with sleep disorders can impair parents' functioning

A study found a link between children's and parents' sleep problems, with mothers more susceptible to daytime sleepiness due to their greater responsibility for responding to child sleep issues at night. Parents need to recognize that their children's sleep disorders can take a toll on them, affecting quality of life.

Patients with type 1 diabetes don't wake in response to hypoglycemia

A study of patients with type 1 diabetes and healthy individuals found that only one patient with T1DM woke up in response to hypoglycemia, compared to ten healthy control participants. The researchers also discovered that increases in plasma epinephrine concentration preceded polysomnographic signs of wakefulness.

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.

Monitoring with minimum power

A new communication protocol, SCP-MAC, has been developed to optimize energy efficiency for wireless sensor networks, reducing monitoring time from 2-3% to under 2 minutes per day. This improvement enables sensornets to watch wildlife or oilfields with longer-lasting batteries.

Sleep disturbances affect classroom performance

A study published in the Journal of Clinical Sleep Medicine finds that adolescents with sleep disturbances are more likely to receive bad grades, experiencing symptoms such as restless legs, difficulty concentrating, and snoring. Parents and teens can improve school performance by following recommended sleep habits.

Children who sleep less more likely to be overweight

A Northwestern University study found that getting inadequate sleep increases the risk of being overweight in children. The five-year study, conducted on a nationally representative sample of 2,182 children aged 3-18, suggests that even an extra hour of sleep can reduce a child's chance of being overweight.

Children's sleep problems can lead to school problems

A new study reveals that African-American and poor children are more vulnerable to the effects of sleep disruption on their cognitive function, with poorer performance on school-related tests. The study suggests that health-related disparities between different groups of American children have important consequences.

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.

Children who sleep more weigh less

A new study published in Child Development found that children who sleep more have lower BMI measures and are less likely to be overweight five years later. Sleeping an additional hour reduced young children's chance of being overweight from 36% to 30%, while it reduced older children's risk from 34% to 30%.

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.

Take fatigue seriously, says University of Alberta researcher

Researchers investigate fatigue in various populations, finding distinct definitions for tiredness, fatigue, and exhaustion. The study aims to prevent progression from tiredness to exhaustion, emphasizing the importance of recognizing changes consistent with fatigue and exhaustion.

Gene that makes people 'early to bed and early to rise' demystified

Researchers discover a mutant gene that affects the body's natural wake-up time, shedding light on the genetic basis of sleep in humans. The study provides new insights into the circadian clock's regulation and may lead to therapies for conditions like jet lag and shift work sleep disorder.

Journal Sleep: Narcolepsy may be caused by environmental exposures

A comprehensive review published in the journal SLEEP found that environmental exposures before the age of onset in genetically susceptible individuals may contribute to the development of narcolepsy. The study suggests intensifying the search for these exposures and focusing on the first two decades of life to prevent the disease.

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.

MIT team reports new insights on animal dreams

MIT researchers report that replayed memories in rats' brains contain visual images, reinforcing the idea that animal dreams mimic human experiences. The study reveals simultaneous reactivation of memory traces in both the visual cortex and hippocampus during sleep.

Learning during sleep?

Scientists at the Max Planck Institute for Medical Research have found that the cerebral cortex actively controls memory transfer during sleep. The researchers developed a new technique to investigate this largely under-researched field, discovering a link between interneurones and the cerebral cortex.

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.

Sleep problems in overweight children appear fairly common

Research published in Obesity shows that one-fourth of overweight, inactive children tested positive for sleep-disordered breathing. After three months of vigorous exercise, the number of children with sleep disorders was cut in half, and even those who exercised less saw an improvement on a pediatric sleep questionnaire.

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.

Children's sleep difficulties: Reports differ from children to parents

A new study published in Child Development found that children report more frequent sleep problems than their parents acknowledge. The researchers suggest that genetic and environmental influences play a role in most sleep problems. Parents may be unaware of night waking or delayed sleeping patterns, leading to overestimation by children.

Speak, memory: Research challenges theory of memory storage

Researchers challenge long-held theory of memory storage by discovering the neocortex drives dialogue between old and new brain regions during deep sleep. The study uses single-cell recordings to show synchronized communication, suggesting a reversal in traditional understanding of memory consolidation.