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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

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Fatigue is a common but underestimated symptom of endometriosis

Fatigue is a common symptom of endometriosis, affecting over half of diagnosed women, with links also found to childhood abuse and neglect. The study suggests that endometriosis may cause fatigue independently of other factors, possibly due to inflammation and immune system activation.

One in four Americans develop insomnia each year

A new study from the University of Pennsylvania School of Medicine found that about 25% of Americans experience acute insomnia annually, but 75% recover normal sleep within a year. The study tracked 1,435 adults nationwide and found no significant differences in recovery rates among racial, ethnic, or gender lines.

Insomnia is a likely long-term side effect of stroke

Researchers found stroke patients took longer to fall asleep, had poorer sleep efficiency, and were more prone to errors during the day. The study suggests sleep problems in stroke patients are due to psychological strain, pain, and reduced physical activity, highlighting the importance of good sleep for recovery.

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.

Can't sleep? Could be down to genetics

A large-scale genome-wide association study found that insomnia has a partially heritable basis and a strong genetic link to type 2 diabetes. The study also identified specific gene variants on chromosomes 7 and 9 associated with insomnia.

Sleepless in Japan: How insomnia kills

A recent study published in Open Medicine found a significant link between insomnia and depression among Japanese hospital workers. The survey revealed that chronic insomnia can lead to depression, with alarming rates of insomnia reported among medical professionals.

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

Pulling an all-nighter impairs working memory in women

A recent study from Uppsala University found that sleep loss affects women's working memory differently than men's. Women who pulled an all-nighter performed worse on a working memory task, remembering fewer digits after sleep deprivation.

Sixty-four percent of women suffer from insomnia in late pregnancy

A study published in the European Journal of Obstetrics & Gynecology and Reproductive Biology reveals that 64% of pregnant women experience insomnia in the third trimester, with symptoms worsening throughout pregnancy. The research highlights the importance of addressing this issue to prevent related health problems.

WSU study to test sleep technology in chronic insomnia

Researchers at Washington State University are testing a low-cost sleep measurement technology to improve sleep patterns in individuals with chronic insomnia. The technology, known as S+, measures timing, quantity and quality of sleep and provides personalized suggestions for improvement.

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.

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Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Insomnia linked with early death and kidney dysfunction

A study of over 900,000 US veterans found chronic insomnia to be associated with increased risks of early death, rapid kidney function decline, and kidney failure. The study suggests that attention to proper management of chronic insomnia could have long-ranging positive effects on overall health.

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Children's sleep quality linked to mothers' insomnia

A new study by the University of Warwick and the University of Basel found that children whose mothers suffer from insomnia symptoms fall asleep later, get less sleep, and spend less time in deep sleep. This may affect their mental wellbeing and development.

Chronic lack of sleep increases risk-seeking

A study by researchers at the University of Zurich found that chronic lack of sleep leads to increased risk-taking behavior in young adults. After sleeping only 5 hours a night for a week, participants displayed significantly riskier behavior, including taking greater financial risks.

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Sleep disorders linked to preterm birth in large California study

A large California study found that pregnant women with sleep disorders such as insomnia and sleep apnea are at a higher risk of delivering their babies before full term. The study also suggests that treating sleep disorders during pregnancy could be a way to reduce the preterm birth rate.

AmScope B120C-5M Compound Microscope

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Purpose in life by day linked to better sleep at night

A Northwestern University study finds that having a purpose in life is associated with improved sleep quality, reduced sleep apnea, and restless leg syndrome in older adults. The research suggests that cultivating purpose through mindfulness therapies could be an effective drug-free strategy to improve sleep.

Online cognitive behavioral therapy for insomnia is effective for military

A study conducted by University of North Texas professor Daniel Taylor found that online cognitive behavioral therapy for insomnia is effective in military personnel, with improved sleep quality and reduced use of sleep medication. However, the internet-delivered therapy was about half as effective as traditional methods.

Insomnia genes found

A team of international researchers has identified seven risk genes for insomnia, revealing the genetic basis of this common health complaint. The study found a strong genetic overlap with anxiety disorders, depression, and neuroticism, suggesting that shared biological mechanisms contribute to insomnia and these traits.

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Sleep apnea and insomnia combination linked with depression

A new study reveals that men with sleep apnoea and insomnia have a higher prevalence and severity of depressive symptoms than those with either condition alone. The study found that 43% of men with both conditions had depression, compared to 22% with insomnia alone and 8% with sleep apnoea alone.

Insomnia associated with increased risk of suicidality

Researchers found that insomnia is three times more likely to report thoughts of suicide and death among U.S. Army servicemembers compared to those without the condition. Insomnia was a significant predictor for suicidality, with wakefulness at night associated with increased suicidal ideation.

Celestron NexStar 8SE Computerized Telescope

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

Sleep apnea and insomnia in African-Americans goes undiagnosed

African Americans with sleep apnea and insomnia are rarely diagnosed, with only 2.1% of those with sleep apnea reporting a physician diagnosis. Higher body mass index, hypertension, diabetes, being male, and older age were associated with sleep apnea severity.

Tai chi relieves insomnia in breast cancer survivors

A study published in Journal of Clinical Oncology reveals that tai chi is an effective treatment for insomnia in breast cancer survivors, improving sleep health, depressive symptoms, and fatigue. The slow-moving meditation practice works just as well as cognitive behavioral therapy and better than medication.

American Sleep Medicine Foundation announces telemedicine research award recipients

The American Sleep Medicine Foundation has selected three researchers to receive Strategic Research Awards for their projects on telemedicine and cognitive behavioral therapy for insomnia (CBT-I). The studies aim to compare the effectiveness of CBT-I delivered through telemedicine versus in-person sessions. One project will evaluate th...

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GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Insomnia associated with increased risk of heart attack and stroke

A meta-analysis of 15 studies found significant associations between insomnia symptoms and the risk of heart disease and stroke. Insomnia symptoms such as difficulty initiating sleep, maintaining sleep, and non-restorative sleep were linked to increased risks of cardiovascular events.

Sleep-inducing herb: The key component identified

A study found that triethylene glycol (TEG), an active component of Ashwagandha, induces non-rapid eye movement sleep significantly and changes rapid eye movement sleep slightly. TEG's physiologically sound sleep is comparable to normal sleep, offering a potential natural solution for insomnia and related disorders.

The ultimate power nap

Researchers tracked elephant sleep using Fitbits and found they slept mostly in the early morning, with environmental conditions influencing timing. The study suggests elephants may not dream daily like humans do, but rather every few days.

Women may be at higher risk for sports-related concussion than men

A new study found that women athletes are 50% more likely to suffer a sports-related concussion than their male counterparts. The research, which analyzed data from 1,203 college athletes over a four-year period, also revealed that women take longer to recover from the injury, with an average return-to-play time of 10 days.

Successful insomnia treatment may require nothing more than a placebo

Researchers conducted a double-blind placebo-controlled study on 30 patients with primary insomnia, finding that both neurofeedback and placebo-feedback were equally effective in improving subjective sleep complaints. However, objective EEG-derived measures of sleep quality did not show significant improvement.

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Many physicians choose insomnia meds based on habit

Research from Harvard Medical School found that physicians' past prescribing patterns are a stronger predictor of chosen medication than patient characteristics. Habits play a significant role in clinical decision-making, even among well-intentioned doctors.

Insomnia linked to higher risk of developing asthma

A new study published in the European Respiratory Journal found that people experiencing insomnia symptoms have a higher risk of developing asthma. Participants who reported difficulty falling asleep or waking up early had a significantly increased risk of developing asthma over an 11-year period.

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.

How did web-based cognitive therapy work for insomnia?

A randomized clinical trial found that web-based cognitive behavior therapy for insomnia (CBT-I) improved sleep outcomes in adults. The fully automated and interactive SHUTi intervention was more effective than access to a patient education website alone, with participants showing significant improvements in sleep duration and quality.

Wearable device for sleep optimization could decrease new PTSD cases in military

A wearable neurotechnology device has been shown to improve sleep quality and lower the risk of developing post-traumatic stress disorder (PTSD) in military personnel. The study, published recently, found that sleep improvement may be a strategic approach to reducing new-onset cases of PTSD in service members deployed to combat zones.

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Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Insomnia? Oversleeping? Both may increase your risk of stroke

A recent literature review suggests that both sleep disorders and oversleeping may increase the risk of stroke. The review recommends screening for sleep disorders in people who have had a stroke or transient ischemic attack (TIA), as they may be more likely to experience negative outcomes. Additionally, treatment with continuous posit...

Shorter time in bed may protect against chronic insomnia

A Penn Medicine study found that individuals with acute insomnia who self-restrict their time in bed are less likely to develop chronic insomnia. This natural tendency can be an effective strategy for managing insomnia and even serves as part of cognitive behavioral therapy for chronic insomnia.

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.