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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

Celestron NexStar 8SE Computerized Telescope

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

People sleep the least from early 30s to early 50s

A recent study published in Nature Communications found that people's sleep duration follows three distinct phases across the lifespan. The study, which analyzed data from 730,187 participants, reveals a decline in sleep duration during mid-adulthood until age 33, followed by a plateau until early 50s.

Evening hot spring soaks lower cases of hypertension in older Japanese adults

Researchers from Kyushu University found that evening hot spring bathing is associated with a lower prevalence of hypertension among Japanese older adults. The study analyzed data from over 11,000 residents over 65 and discovered that those who bathed in onsen after 19:00 were 15% less likely to have hypertension.

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.

Casting light on, and through, your eyelids

Researchers at Osaka Metropolitan University found that closed-eye perception of brightness is remarkably stronger than previously reported, with values up to 10 times higher. The color of the light also affects perception, with red being perceived as brighter and blue as darker.

Highlights from the journal CHEST®, December 2022

The December issue of CHEST journal features articles on COVID-19 lessons learned and future pandemic preparedness. The journal also explores various topics in chest medicine, including asthma, critical care, and sleep medicine.

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.

Researchers uncover factors linked to optimal aging

A study followed over 7,000 Canadians for three years to find that being female, physically active, and not obese were key to maintaining excellent health. Factors such as high income and social support also played a crucial role in optimal aging.

Unravelling the secrets of a good night's sleep

A new study from the University of Tsukuba identifies a critical signaling pathway within brain cells that regulates both the length and depth of sleep. By manipulating enzymes and proteins, researchers found that altering this pathway can significantly impact sleep duration and quality.

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.

Light therapy relieves fatigue syndrome in Multiple Sclerosis

A recent study led by Stefan Seidel found that light therapy significantly improves fatigue symptoms in Multiple Sclerosis patients, with measurable improvements observed after just 14 days of use. The study used objective measurements to rule out sleep disorders, which are common comorbidities with fatigue in MS patients.

Could a nasal spray treat sleep apnea?

A nasal spray has shown promising results in treating obstructive sleep apnea by preventing airway narrowing during sleep. The treatment, which targets specific receptors on the upper airways, improved airway stability and was well-tolerated in a small clinical trial.

Apple iPhone 17 Pro

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

School children who meet movement guidelines report better health

A Japanese research collaboration found associations between elementary and junior high school students' self-reported health and adherence to 24-hour movement guidelines. Meeting the guidelines for 'screen time and sleep' was associated with good self-reported health in elementary school students, while junior high school students ben...

Trouble sleeping? You could be at risk of type 2 diabetes

A study of over 1000 Australian adults found that people with trouble sleeping were more likely to have indicators of poor cardiometabolic health, including inflammatory markers, cholesterol, and body weight. Prioritizing a good night's sleep is crucial for maintaining good health, according to researcher Dr Lisa Matricciani.

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.

Having trouble sleeping? Try exercise!

A recent study published in Mayo Clinic Proceedings found that people who are physically fit have a lower risk of needing prescription sleeping pills. The research, based on data from Norway's HUNT study, suggests that being in good physical shape can help improve sleep quality.

Too many – or too few – job demands can spoil a good night’s sleep

A new study reveals that having too few job demands can disrupt sleep, while moderate demands with adequate control lead to a regular sleep schedule and shorter time to fall asleep. The researchers also found that individuals who have more control over their work environment tend to sleep better.

Scientists discover secret to waking up alert and refreshed

Researchers found that substantial exercise, sleeping longer and later, and eating a low sugar, high carb breakfast can increase alertness. A high carbohydrate breakfast was linked to individuals revving up their alertness quickly in the morning.

For memory formation, organization matters

Small cell clusters in hippocampus are vital for fear-based memories, while sleep helps stabilize these clusters to improve memory. The study uses immediate early gene imaging to visualize active cells throughout the entire rat hippocampus.

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.

Fireworks have long-lasting effects on wild birds

Wild geese in Germany, Denmark, and the Netherlands experience significant changes in their behavior after fireworks, including flying further and foraging more, even after the disturbances end. The effects persist for up to two weeks, with birds leaving their sleeping sites and flying hundreds of kilometers non-stop.

Transgender youth, teens more likely to have sleep disorders

A Michigan Medicine-led study reveals that transgender youth are 5.4 times more likely to experience insomnia and three times more likely to suffer from sleep apnea compared to cisgender youth. Gender-affirming therapies may offer a protective effect against worsening sleep health, according to the researchers.

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.

Researchers uncover cellular signature to detect pediatric sleep apnea

Pediatric sleep apnea can be detected with high precision using a unique gene signature that distinguishes children with OSA from healthy children. A recent study found that obstructive sleep apnea induces changes in immune cell diversity, leading to elevated levels of certain white blood cells.

Highlights from the journal CHEST®, November 2022

The November issue of CHEST journal features new guidelines for perioperative management, studies on COVID-19 treatment and COPD treatment, as well as research on sleep apnea and long COVID. These findings have significant implications for patient care and healthcare resource use.

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.

Rice, Baylor to study how screen use affects young children

A team of researchers from Rice University, Baylor College of Medicine, and Northern Illinois University are developing an open source system called FLASH to objectively measure children's screen-viewing behaviors. The five-year grant includes funding for three long-term studies on the impacts of screen use on young children.

New research suggests political events impact sleep

A study by Beth Israel Deaconess Medical Center found that divisive political events negatively influence factors related to public mood, well-being, and alcohol consumption. Participants reported reduced sleep quality, increased stress, negative mood, and higher alcohol use in the days leading up to the election.

The early bird may just get the worm

A new study from the University of Ottawa reveals that morning types tend to have superior verbal ability, contrary to previous research suggesting that evening types have an advantage. The study found that accounting for factors like bedtime and age, morning individuals outperformed their evening counterparts in verbal intelligence.

Daytime sleep enhance fear memories of emotional trauma and anxiety

A study by Ural Federal University found that daytime naps and wakefulness both reinforce the formation of fear memories in response to emotional trauma. This research has significant implications for developing strategies for rehabilitating individuals with anxiety disorders.

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.

Good sleep can increase women’s work ambitions

A Washington State University-led study found that sleep quality impacts women's mood and aspirations for career advancement. Women who get a good night's sleep are more likely to be oriented towards achieving status and responsibility at work.

Study identifies potential new treatment target for sleep apnea

Researchers at Johns Hopkins Medicine have identified TRPM7, a cation channel in carotid bodies and bloodstream, as a promising therapeutic target for sleep apnea. Blocking or eliminating this channel may offer a new treatment option for obesity-related breathing disorders.

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.

Study looks inside the brain during sleep to show how memory is stored

Researchers found that reactivating memories during sleep improves memory storage by triggering electrical activity in the brain. The study, led by Northwestern University, used implanted electrodes to record brain activity in five patients while they slept and presented sounds associated with learned objects.

Meta Quest 3 512GB

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

What happens if your circadian rhythms are out of whack?

Researchers discovered a molecular link between disrupted circadian rhythms and lung tumor growth, implicating a cancer-signature gene known as HSF1. Disrupted clocks may trigger lung tumors in individuals with irregular sleep patterns or night shifts.

Why late-night eating leads to weight gain, diabetes

Research at Northwestern University finds that eating during the daytime is ideal for dissipating energy as heat, while nighttime eating disrupts this process. This study's findings have broad implications for dieting, sleep loss, and patient nutrition, particularly in cases of Type II Diabetes.

Sleep as a new 8th measure of cardiovascular health

A new study using the American Heart Association framework provides evidence that sleep is integral to preserving heart health. Sleep metrics add independent predictive value for CVD events over and above the original 7 CVH metrics.

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.

Featured articles from the journal CHEST, October 2022

The October issue of CHEST journal showcases 43 clinically relevant articles on topics such as asthma, COPD, critical care, and sleep medicine. The journal also offers web and multimedia activities, including visual abstracts, to expand its reach.

Does a history of migraines mean you're more likely to be a poor sleeper?

A history of migraines is associated with poor sleep in premenopausal women, but the relationship changes in perimenopausal women due to factors like body mass index, anxiety, and hot flashes. Poor sleep quality significantly impacts work productivity and quality of life, costing the US economy approximately $411 billion annually.

How do tired animals stay awake?

Researchers studying fruit flies found that brain neurons adapt to help the flies stay awake despite tiredness in dangerous situations, and fall asleep after an intense day. Time-restricted feeding also improved sleep quality in the flies, suggesting a potential therapeutic approach for humans.

Home sensors can detect opioid withdrawal signs at night

A Washington State University pilot study showed that home sensors can accurately monitor overnight restlessness and sleep problems in people recovering from opioid use disorder. The sensors matched other monitoring methods about 89% of the time, validating patients' concerns about their disturbed sleep.

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.

Brain cells identified for regulation of sleep-wake rhythm

A research team has identified a specific cell group in the brain that regulates shifts in the sleep-wake rhythm caused by psychostimulants. The hypothalamic dopamine locus is responsible for modulating circadian rhythms and gates the effect of psychostimulants, leading to increased alertness and activity.

Promising medication for sleep apnoea

A new study from Flinders University has shown that reboxetine, previously used to treat depression, can reduce obstructive sleep apnoea (OSA) severity. The study found that reboxetine alone reduces the number of sleep apnoea events per hour and improves oxygen levels.

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.

Hot summer nights bad for health

Researchers found that warmer nighttime temperatures increase sleep disturbance, comparable to the impact of heatstroke, in Japan's residents. The study suggests that measures like air conditioner use or reducing outdoor temperatures may help mitigate this issue.

Weighted blanket increases melatonin

A new study from Uppsala University found that using a weighted blanket at bedtime increases melatonin production by about 30 percent. The researchers also discovered that the weight of the blanket (12% of participant's body weight) reduced stress system activity, but had no effect on oxytocin and cortisol levels.