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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

Weight cycling linked to increased sleep problems in women

Women with a history of weight cycling experience shorter sleep duration, poorer sleep quality, and increased risk of insomnia. The study also found that weight cycling is associated with an increased risk of obstructive sleep apnea, a serious health problem linked to heart disease and stroke.

Pandemic significantly increases insomnia in health care workers

The COVID-19 pandemic has triggered a 44% increase in insomnia disorder among health care workers, with the highest rates among those who spent less time in direct patient care. Surprisingly, about 10% of faculty physicians and nurses reported their insomnia improving after the onset of the pandemic.

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.

A good night's sleep could do wonders for your sex life

A new study published in Menopause suggests that poor sleep quality is associated with female sexual dysfunction, while good sleep quality is linked to increased sexual activity. The study of over 3,400 women found that insufficient sleep quality was a significant factor in female sexual problems during midlife.

Fluke 87V Industrial Digital Multimeter

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

Insomnia, disrupted sleep, and burnout linked to higher odds of severe COVID-19

An international study found that insomnia, disrupted sleep, and daily burnout are linked to a heightened risk of not only becoming infected with coronavirus but also having more severe disease and a longer recovery period. The study also revealed that every extra hour of sleep at night was associated with 12% lower odds of infection.

Effective treatment for insomnia delivered in a few short phone calls

Researchers at the University of Washington and Kaiser Permanente Washington Health Research Institute developed a phone-based therapy to combat insomnia in older adults with osteoarthritis. The study found that this treatment can be delivered in just a few short calls, improving sleep quality and reducing fatigue and pain symptoms.

Meta Quest 3 512GB

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

Nightmares linked with anxiety and insomnia in heart patients

Heart patients experiencing frequent nightmares are at a significantly higher risk of depression, anxiety, and insomnia, with women more likely to experience persistent bad dreams. The study found strong associations between nightmares, sleep disorders, and psychological problems in heart disease patients.

Apple iPhone 17 Pro

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

New guideline supports behavioral, psychological treatments for insomnia

The American Academy of Sleep Medicine has published a new clinical practice guideline supporting cognitive behavioral therapy for insomnia as the most effective treatment for chronic insomnia disorder. The guideline also recommends multi-component brief therapies and single-component therapies like stimulus control and relaxation ther...

Cognitive behavioral therapy reduces insomnia symptoms among young drinkers

A pilot study found that cognitive behavioral therapy (CBT) significantly reduced insomnia severity among young adult binge drinkers, leading to improved sleep efficiency and decreased alcohol use outcomes. CBT participants showed greater improvements in insomnia symptoms compared to those who received a single session on sleep hygiene.

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.

Insomnia treatment offers relief

A study of over 450 insomnia patients in Australia found that cognitive behavioural therapy for insomnia (CBTi) improves symptoms of insomnia, depression, anxiety, and stress. CBTi is recommended as the most effective treatment for insomnia and is available via face-to-face or telehealth options.

Study shows weighted blankets can decrease insomnia severity

A randomized, controlled trial found weighted blankets significantly reduced insomnia severity and improved sleep quality in participants with psychiatric disorders. Nearly 60% of users experienced a 50% or more decrease in insomnia severity compared to 5.4% in the control group.

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.

Reduction in insomnia symptoms associated with non-invasive neurotechnology

Researchers used closed-loop, acoustic stimulation neurotechnology to alleviate insomnia symptoms and improve autonomic nervous system function. Participants showed clinically meaningful reductions in insomnia symptoms and significant improvements in autonomic cardiovascular regulation after just three weeks of treatment.

The neurons that connect stress, insomnia, and the immune system

Researchers at CSHL and Stanford University found a direct connection between stress-sensitive neurons and insomnia-inducing neurons in mice. Stimulating this connection enabled mice to sleep peacefully, while disrupting it caused insomnia. The same connection also affects the immune system, weakening its defenses against threats.

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.

Hope for 500 000 insomniacs in Norway

A new study found that a fully automated digital version of cognitive behavioral therapy for insomnia was effective in improving sleep quality and reducing the need for sleeping pills. The treatment helped approximately 58% of participants experience substantial improvement, compared to 20% in the control group.

New alcohol genes uncovered

Researchers identify 29 genetic variants associated with problematic alcohol use, revealing a strong link to depression, insomnia, and other psychiatric diseases. The study provides new insights into the biological mechanisms underlying alcohol dependency and offers hope for developing new medicines to combat it.

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.

Low-dose methotrexate associated with small increase in some adverse events

A study found that low-dose methotrexate was associated with a small increase in adverse events, such as skin cancer and gastrointestinal problems. However, the risk for kidney-related side effects was decreased. The findings suggest that monitoring guidelines and safe prescribing of LD-MTX may need to be revised.

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.

Refined carbs may trigger insomnia, finds study

A new study by Columbia University researchers suggests that a diet high in refined carbohydrates, particularly added sugars, may be partly to blame for insomnia. Women who consumed more vegetables and whole fruits were less likely to develop problems with insomnia.

Skipping one night of sleep may leave insomniacs twice as impaired, study says

A new study published in Nature and Science of Sleep found that individuals with chronic sleep-onset insomnia who pulled an all-nighter performed up to twice as badly on a reaction time task as healthy normal sleepers. This impairment may be hidden during the normal day but exposed after pulling an all-nighter, increasing their risk of...

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.

Side effects of insomnia drugs

A recent study compared two insomnia treatments, brotizolam and suvorexant, finding they improved sleep efficiency but had varying impacts on balance. Orexin receptor antagonists like suvorexant may have fewer side effects than commonly prescribed hypnotics.

The science of mindfulness -- What do we really know and where do we go?

A special issue of Current Opinions in Psychology maps the state of mindfulness research, exploring its historical foundations, clinical applications, and social implications. The study reveals that mindfulness can be learned and applied uniquely across different contexts, with mobile apps emerging as a promising platform for deliverin...

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.

Disturbed childhood can lead to adult insomnia

A new study by Flinders University links moderate to severe childhood behavioral problems to insomnia in adults. The research suggests that early intervention can help manage children's externalized behaviors and reduce the risk of adult insomnia.

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.

Insomnia tied to higher risk of heart disease and stroke

Research reveals insomnia is tied to a higher risk of coronary artery disease, heart failure, and ischemic stroke. Genetic variants for insomnia were found to be associated with significantly higher odds of these conditions, emphasizing the importance of addressing sleep disorders.

Solutions for leading sleep woes

A new Australian study found that treating insomnia separately can significantly improve symptoms of both conditions. People with co-occurring insomnia and obstructive sleep apnea reported great improvement to their sleep and health after six months, with about 50% improvement in global insomnia severity.

Optimistic people sleep better, longer, study finds

A study of over 3,500 participants aged 32-51 found significant associations between optimism and various characteristics of self-reported sleep. Optimists were more likely to report very good sleep quality and adequate sleep duration. The research suggests that positivity may buffer the effects of stress by promoting adaptive coping.

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.

Study compares different strategies for treating insomnia

The study found that individualized therapy approaches such as stimulus control and sleep restriction are effective in treating insomnia, while a combination approach was minimally effective. The research used a strategy focused solely on sleep education and hygiene, which showed minimal impact on symptoms.

Association between benzodiazepine use in early pregnancy, miscarriage risk

An observational study of over 442,000 pregnancies in Canada found that benzodiazepine use in early pregnancy was associated with a higher risk of miscarriage. The study suggests that physicians should carefully evaluate the risks and benefits of prescribing benzodiazepines in early pregnancy due to alternative treatment options.

Chronic insomnia and memory problems: A direct link is established

A study examining sleep data from a pan-Canadian cohort of 28,485 participants found that chronic insomnia disorder is directly associated with cognitive problems in people aged 45 and over. The main type of memory affected was declarative memory, independent of other factors.

Haunted by the past

Research at the Netherlands Institute for Neuroscience reveals that insomnia may be caused by a failing neutralization of emotional distress. Good sleepers can settle past experiences as neutralized memories, but people with insomnia are unable to do so.

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.

Brain cells involved in insomnia identified

Researchers have identified specific brain cell types, areas and biological processes linked to the genetic risk of insomnia, a major step towards understanding its mechanisms. The study found that over 100 genes contribute to insomnia, with some influencing the functionality of axons and specific cell types in the frontal cortex.

Lack of sleep is not necessarily fatal for flies

In a study with thousands of fruit flies, researchers found that male flies denied sleep did not die earlier than those with regular sleep. Female flies died on average three days earlier, but the exact reason for this is unclear. The study suggests that sleep may not be essential for life in the same way food is.

Mice sleeping fitfully provide clues to insomnia

Researchers studied genetically modified mice with neurofibromatosis type 1 (NF1), a condition associated with sleep problems. The mice exhibited fragmented and irregular sleep patterns, similar to people with NF1. This study could help identify molecular mechanisms underlying sleep disturbances in humans.

Insomnia has many faces

Researchers identified five distinct subtypes of insomnia, each with unique characteristics and underlying brain mechanisms. These findings have significant implications for treatment effectiveness and the prevention of depression, offering a new direction in understanding this complex mental disorder.

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.

Drug used for PTSD may worsen nightmares, not reduce suicidal thoughts

A small pilot study found that prazosin, commonly used to treat high blood pressure and PTSD-related sleep problems, may actually worsen nightmares and insomnia in PTSD patients, rather than reducing suicidal thoughts. The study, led by Dr. W. Vaughn McCall, involved 20 seriously psychiatrically ill patients with active suicidal thoughts.

A new therapeutic avenue for treating insomnia

Scientists at the University of Tsukuba have identified a potential alternative strategy for treating insomnia by targeting adenosine A2A receptors. The study found that enhancing endogenous adenosine A2A receptor signaling induces slow-wave sleep without affecting body temperature and cardiovascular function.

Novel antidepressant may improve sleep in patients with depression

A novel antidepressant, vortioxetine, has been shown to improve subjective sleep quality and daytime sleepiness in patients with major depressive disorder. The treatment's multimodal effect on serotonin transport and reuptake may have important clinical implications for addressing sleep problems in depression.

Early sleep loss accelerates Alzheimer's pathology in mice

A study of male and female mice found that chronic short sleep and chronic fragmentation of sleep accelerate Alzheimer's disease-related tau pathology. Healthy sleep habits during adolescence and early adulthood may help prevent progression of neurodegenerative diseases.

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Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Insomnia symptoms, overall health improve with online insomnia program

A new study found that an online insomnia program using digital cognitive behavioral therapy (CBT) improved not only insomnia symptoms but also daytime functioning and overall health. The program, called Sleepio, was used by 1,711 participants and showed significant improvements in global health and mental wellbeing.