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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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Study reports significant link between nightmares and suicidal behavior

A new study reveals a significant link between nightmares and suicidal behaviors, with nightmares acting as a stressor in individuals with post-traumatic stress disorder (PTSD). The study found that 62% of participants who experienced nightmares reported suicidal thoughts, plans, or attempts, compared to 20% without nightmares.

Study finds no link between insomnia and cholesterol levels

A recent study published in the journal SLEEP found that people with insomnia do not have higher levels of cholesterol than those without. However, insomniacs who take sleeping pills were found to have significantly higher levels of LDL cholesterol.

Better sleep and tai chi reduce inflammation and promote health

A new study published in Biological Psychiatry found that treatment for insomnia with cognitive behavioral therapy or tai chi reduces inflammation levels in older adults. These behavioral interventions also represent a third pillar, along with diet and physical activity, to promote health and reduce age-related morbidities.

Apple iPhone 17 Pro

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

More than one-third of perimenopausal women develop insomnia

A new study finds that perimenopausal women are at a higher risk of developing insomnia, with symptoms escalating over the transition period to menopause. The odds of having any one symptom of insomnia were 1.3 times greater for those in late stage versus early stage of perimenopause.

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Twin study suggests genetic factors contribute to insomnia in adults

A twin study found that genetic factors contribute significantly to insomnia in adults, with a higher heritability in females (59%) compared to males (38%). This study provides evidence for sex differences in insomnia development and may inform targeted sleep interventions for women.

Cognitive behavioral therapy for insomnia with psychiatric, medical conditions

A meta-analysis found that cognitive behavioral therapy for insomnia was associated with reduced insomnia symptoms and sleep disturbances in individuals with coexisting psychiatric and medical conditions. Patients who received cognitive behavioral therapy had twice the percentage of remission from insomnia compared to control groups.

Insomnia leads to decreased empathy in health care workers

A study published by the American Academy of Sleep Medicine found that insomnia decreases empathy in health care workers. The study, which included 97 subjects from various healthcare professions, used the Interpersonal Reactivity Index (IRI) to measure empathy across four subscales.

Drug-free sleep solution: CBT effective for chronic insomnia

Cognitive behavior therapy (CBT) is an evidence-based treatment for chronic insomnia that addresses the underlying causes of insomnia. Studies have shown that CBT improves sleep quality by reducing time spent awake after falling asleep, increasing sleep efficiency, and helping patients enter REM sleep faster.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Children's sleep and mental health are related

A comprehensive survey of nearly 1,000 toddlers reveals that serious sleep disorders can have long-term consequences for mental health. Four-year-olds with sleep disorders are at higher risk of developing psychiatric symptoms as six-year-olds, while those with psychiatric symptoms are more likely to develop a sleep disorder.

Impaired sleep linked to lower pain tolerance

A large Norwegian health study of over 10,400 adults found that people with insomnia have increased pain sensitivity. The effect was strongest in those with both insomnia and chronic pain, highlighting the need for treatments targeting both conditions.

Study links insomnia to impaired work performance in night shift workers

A new study links insomnia to occupational impairment in night shift workers, with alert insomniacs showing the highest level of impairment in work productivity and cognitive function. The study emphasizes the importance of treating insomnia in night shift workers to improve work-related outcomes.

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Brain waves predict our risk for insomnia

Researchers found that students with lower amounts of a particular pattern of brain waves called sleep spindles were more at risk for developing insomnia after stressful events. The study suggests that measuring spindle activity may help identify people at risk before the condition materializes.

Fear of terror may lead to job burnout over time

A Tel Aviv University study found that fear of terrorism can lead to anxiety-related insomnia, depleting vital resources and paving the way for occupational burnout. Workplace colleagues' emotional and technical support played a crucial role in reversing insomnia and job burnout.

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Study links suicide risk with insomnia, alcohol use

A new study reveals a significant association between alcohol use and suicide risk among women, with insomnia symptoms playing a mediating role. The study suggests that assessing and treating specific sleep problems may help reduce suicide risk in this population.

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.

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.

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.

Energy drinks cause insomnia and nervousness in athletes

A study found that energy drink consumption increased frequency of insomnia and nervousness in athletes, contradicting claims of improved sports performance. Energy drinks contain caffeine, which stimulates athletes but does not provide additional energy.

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.

Teen insomnia is linked with depression and anxiety

A study of high school students found that teen insomnia is independently linked with depression, generalized anxiety disorder, and panic disorder. Eveningness chronotype – being more active in the evenings – is also an independent risk factor for insomnia and depression among teens.

How you cope with stress may increase your risk for insomnia

A new study identifies maladaptive coping behaviors as mediating pathways between stress exposure and insomnia development. Cognitive intrusion, self-distraction, behavioral disengagement, and alcohol/drug use were found to significantly contribute to the relationship between stress and insomnia.

Immune response affects sleep and memory -- new study

A new study published in PeerJ found that fighting off illness rather than the illness itself causes sleep deprivation and affects memory. The research used flies to show that the immune system can cause problems with sleep and memory, even when there is no infection present.

Study finds that suicides are far more likely to occur after midnight

A new study reveals that suicidal deaths are more likely to occur between midnight and 4 a.m. than during the daytime or evening, peaking at 16.27 percent between 2 a.m. and 2:59 a.m. This finding suggests that circadian factors may contribute to suicidality and highlights the importance of addressing insomnia as a potential risk factor.

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 apnea is common after acute respiratory failure

A study found clinically important sleep apnea is common among survivors of acute respiratory failure, with 93% meeting criteria for sleep-disordered breathing. Evaluating and treating sleep apnea may significantly impact the health and well-being of these patients, particularly those taking central-acting medications.

Study: Tart cherry juice increases sleep time in adults with insomnia

A study found that drinking Montmorency tart cherry juice twice a day for two weeks increased sleep time by nearly 90 minutes among older adults with insomnia. The researchers also discovered that the natural polyphenolic compounds in tart cherries, such as proanthocyanidins and tryptophan, play a role in improving sleep efficiency.

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.

Researchers identify brain differences linked to insomnia

Chronic insomnia is characterized by increased brain plasticity and activity in the motor cortex, which distinguishes poor sleepers from good ones. The study suggests that TMS may be used to diagnose and potentially treat insomnia through reducing excitability.

Insomnia linked to mortality risk

Researchers at Brigham and Women's Hospital found a link between insomnia symptoms and higher mortality risk in men, particularly those with difficulty falling asleep and non-restorative sleep. The study, published online in Circulation, followed over 23,000 men for six years and found modest increases in cardiovascular-related death.

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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.

Taking stock of research on sleepless soldiers

Insomnia affects up to 54% of US military personnel and veterans since 2001, with deployment-related stressors contributing to chronic sleeplessness. Behavioral interventions like cognitive-behavioral therapy show promise in reducing insomnia's effects.

Brain imaging study reveals the wandering mind behind insomnia

Researchers found that people with primary insomnia have difficulty modulating brain regions used for working memory, leading to decreased efficiency during the day. The study provides a biological marker for treatment success and sheds light on the daytime problems associated with insomnia.

Exercise is no quick cure for insomnia

New Northwestern University research shows that aerobic exercise during the day does not result in improved sleep that same night for people with existing sleep problems. Regular exercise is a healthier way to address underlying insomnia issues, as it can lead to better sleep quality and reduced fatigue over time.

Helping SAD sufferers sleep soundly

Researchers found SAD participants have misconceptions about sleep habits similar to those of insomniacs, leading to incorrect reports of sleep duration. Cognitive behavioral therapy for insomnia may be effective in treating seasonal affective disorder by addressing unhelpful beliefs about sleep.

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CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

More sleep may decrease the risk of suicide in people with insomnia

A new study found that increased sleep duration is associated with a lower likelihood of moderate or high suicide risk versus low risk. Every one-hour increase in sleep duration was linked to a 72 percent decrease in the likelihood of moderate or high suicide risk, according to researchers.

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AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Insomnia is linked to increased risk of heart failure

A large study found that people with insomnia symptoms, including trouble falling asleep and waking up feeling unrefreshed, have a higher risk of developing heart failure. The study followed 54,279 participants for over 11 years and found those with all three insomnia symptoms had a more than three-fold increased risk.

Losing hope of a good night's sleep is risk factor for suicide

A new study finds that losing hope for a good night's sleep increases the risk of suicidal thoughts, independent of other types of hopelessness. The study suggests that addressing insomnia and negative thoughts about sleep can help prevent suicidal behavior.

Study of insomnia finds a new predictor for suicidal thoughts

A study by the American Academy of Sleep Medicine reveals that insomnia and nightmares can increase the risk of suicidal thoughts. The study suggests that targeted assessment and treatment of sleep problems may reduce this risk in people with depressive symptoms.

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.

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.

Drug may offer new approach to treating insomnia

A new study published in Neurology suggests that the drug suvorexant may be an effective alternative strategy for treating insomnia. Participants who took suvorexant experienced improved sleep efficiency and reduced awakenings, with significant improvements compared to those taking a placebo.

Music to the ears for a good night's sleep?

Researchers at Wake Forest Baptist Medical Center conducted a pilot study on a non-invasive approach using musical tones to balance brain activity and reduce insomnia. The study found that participants who received HIRREM therapy experienced a 10.3 point drop in Insomnia Severity Index scores, indicating improved insomnia symptoms.

Hot flashes can come back after SSRI

A recent study published in Menopause found that about one-third of women who stopped taking the SSRI antidepressant escitalopram experienced a relapse of hot flashes and night sweats. Women with insomnia and those who responded less well to the medication were more likely to experience a relapse.

Trained NHS therapists can help insomniacs

A training program for NHS therapists has been shown to be successful in treating insomnia. Insomnia sufferers may have greater access to this treatment, which is a more effective alternative to sleeping pills.

Efficacy of herbal remedies for managing insomnia

Studies have found that herbal remedies like valerian, hops, and kava-kava show promise in managing insomnia symptoms, improving sleep quality and duration. However, more research is needed to assess the safety and effectiveness of these natural therapies for insomnia management.

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