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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

New recommendations link better sleep to improved concussion outcomes

A national group of sleep and brain injury specialists recommends specific steps to test and develop sleep-related treatments for improved concussion outcomes. The recommendations include data repositories, serial assessment, research targeting treatments, and increased access to sleep treatment services.

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Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Losing weight with a high-protein diet can help adults sleep better

A new study from Purdue University found that consuming a high-protein diet while losing weight improves sleep quality in middle-aged adults. The study, published in the American Journal of Clinical Nutrition, suggests that higher protein intake can lead to better sleep and reduced risk of metabolic and cardiovascular diseases.

Long naps, daytime sleepiness tied to greater risk of metabolic syndrome

Taking long naps or being excessively tired during the day is linked to a higher risk of developing metabolic syndrome, which includes high blood pressure, high cholesterol, and obesity. The study found that napping for 40 minutes or longer was associated with a significant increase in metabolic syndrome risk.

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Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Sleep suppresses brain rebalancing

A recent study published in Cell reveals that sleep suppresses brain rebalancing, a mechanism crucial for neural activity regulation. This finding contradicts previous theories on the role of sleep in memory consolidation and homeostatic plasticity.

Calcium controls sleep duration in mice

Researchers at the University of Tokyo discovered that calcium ions control sleep duration in mice by regulating the inflow and outflow of calcium ions into neurons. This finding has implications for understanding and treating neurodegenerative diseases associated with sleep disorders.

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.

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

Retirement is good for your health

A landmark study by the University of Sydney found that retirement leads to positive lifestyle changes, including increased physical activity levels, reduced sitting time, healthier sleep patterns, and lower rates of smoking. Retirees were more likely to engage in physical activity and pursue healthier habits after leaving work.

Changes in heart activity may signal epilepsy

Researchers discovered altered heart rate variability in children with epilepsy, suggesting a connection to the autonomic nervous system. The study suggests that changes in parasympathetic tone may precede epilepsy onset, offering potential biomarkers for diagnosis and new treatment avenues.

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Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Brain activity of nematodes seeking food offers new view on sleep

Researchers at University of Oregon discovered a connection between brain activity in nematode worms and human sleep disorders, finding similar fragmentation patterns. This study provides a framework to understand genetic and physiological underpinnings of neural circuitry involved in sleep.

Molecule induces lifesaving sleep in worms

A molecule has been identified that promotes a sleep-like state in nematode worms, which is similar to the sleep of humans and other mammals. The protein VAV-1 regulates this process and is also involved in maintaining normal amounts of EGFR in the neuron.

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

Link between sleep and social participation may be key to healthy aging

A study published in Journal of Social Science and Medicine found that older adults who participate in social activities, such as attending religious events, tend to get better sleep. This suggests that engaging in social connectedness can be an important factor for promoting healthy aging.

Can't sleep? Street lights may be keeping you awake

A study of 15,863 people found that nighttime light exposure was significantly associated with sleep duration and disturbances. People living in urban areas with intense street lights were six percent more likely to sleep less than six hours per night.

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.

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Research warns about the sleep disturbances in patients with cancer

A study of 105 cancer patients found significant sleep disturbances before radiotherapy treatment. These problems were associated with cancer progression, prior treatments like chemotherapy, and anxiety. Researchers warn that addressing these issues is crucial for improving patient quality of life.

Clock gene may connect mood and sleep

Researchers discovered a molecular link between mood disorders and circadian rhythms in a study on familial advanced sleep phase (FASP) and faulty PER3 gene variants. Mice carrying the faulty gene exhibited depression-like symptoms when exposed to short light periods, mirroring human seasonal affective disorder.

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Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Gene links sleep and seasonal affective disorder

Researchers have identified a specific gene mutation that appears to link unusual sleep patterns and Seasonal Affective Disorder (SAD). The PER3 gene mutation was found in family members with both conditions, suggesting a connection between circadian genes and mood disorders.

Getting the right amounts of sleep and regular exercise lower stroke risk

Research found that sleeping seven to eight hours per night reduces stroke risk by 25%, while excessive long sleep increases the risk by 146%. Regular exercise of 30-60 minutes, three to six times a week, also significantly decreases stroke risk. A computerized analysis of health data from 288,888 adults revealed these key findings.

Study of firefighters finds potential pathway between insomnia and depression

A new study of firefighters suggests that insomnia and nightmares may increase the risk of depression by impairing emotion regulation strategies. The study found that limited access to these strategies, such as problem-solving skills and negative emotions decrease, was the strongest indirect effect for both relationships.

Meta Quest 3 512GB

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

A new molecular alarm clock in vertebrates

Researchers discovered a gene, neuromedin U, that promotes wakefulness and suppresses sleep in zebrafish. The protein's function suggests it may be nature's alarm clock, helping to regulate the transition from nighttime sleep to daytime wakefulness.

Caltech biologists identify gene that helps regulate sleep

Researchers identified a gene, neuromedin U (Nmu), that regulates sleep in zebrafish. Overexpression of Nmu causes severe insomnia, while its absence leads to reduced activity during the day. The study improves understanding of sleep regulation and suggests Nmu as a potential candidate for new therapies to address sleep disorders.

Trouble sleeping associated with behavioral problems in children with autism

A recent study from the University of Missouri found a strong association between difficulty sleeping and behavioral problems in children with Autism Spectrum Disorder (ASD). The research, which surveyed parents of 81 children with ASD, revealed that sleep difficulties are highly related to daytime behavioral issues such as aggression,...

Study offers treatment hope for sleep disordered breathing

Scientists have gained insights into breathing signals during sleep, leading to potential new treatments for central sleep apnoea. Researchers used genetically modified mice to show that AMPK enzyme helps breathe faster in low oxygen environments.

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.

Circadian misalignment helps explain higher risk for cardiovascular disease

A new study from Brigham and Women's Hospital found that circadian misalignment increases blood pressure and inflammatory markers in healthy adults. Researchers measured these factors in 14 participants during two eight-day stays in the sleep laboratory, one with circadian alignment and the other with misalignment.

Stanford study finds possible new jet-lag treatment

Researchers at Stanford University School of Medicine developed a possible new method for preventing jet lag by exposing people to short flashes of light while they sleep. The study found that this method can speed up the brain's adjustment to time changes, reducing the delay in onset of sleepiness.

Where infants sleep may affect how long they are breastfed

A study of 678 women found that frequent bed-sharing with infants and a strong motivation to breastfeed were linked to longer breastfeeding durations. This challenges recommendations against bed-sharing due to SIDS fears, suggesting these practices may hinder some mothers from achieving their breastfeeding goals.

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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.

Women with sleeping problems far more likely to develop diabetes

Research published in Diabetologia found that women with one sleep disorder have a 47% increased risk of developing type 2 diabetes. The risk increases to four times for those with multiple sleep disorders. The study highlights the importance of good sleeping patterns for preventing diabetes.

Social media use in young adults linked to sleep disturbance

A recent study published by the University of Pittsburgh found a significant link between social media use and sleep disturbances in young adults. Participants who checked their accounts frequently or spent more time on social media had three times and twice the likelihood of sleep difficulties, respectively.

Medical society details Syrian health crisis and efforts to help

The Syrian-American Medical Society has helped over two million people with $25-million in aid, providing 24/7 telemedicine consulting and training on portable ultrasound. The healthcare situation in Syria is grim, with 75,000 civilians dying from war injuries and life expectancy plummeting by 20 years.

Fluke 87V Industrial Digital Multimeter

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

High drowsy driving crash risk on daytime commute after night work

New research from Brigham and Women's Hospital found that nearly 40% of shift workers who participated in a test drive after a night shift were involved in a near-crash event. The study demonstrated an increased risk of drowsy driving related motor vehicle crashes, especially during the daytime commute.

Road rumble strips are a wake-up call to pull over: QUT study

A QUT study reveals that rumble strips are effective in alerting sleepy drivers to pull over, reducing the risk of fatal crashes. The research found that drivers hit a rumble strip after 20 minutes of driving and that taking breaks and using countermeasures like napping or caffeine can increase driver alertness.

Long nights and lazy days could send you to an early grave

Research from the Sax Institute's 45 and Up Study reveals a 'triple whammy' effect of prolonged sleep, excessive sitting and lack of exercise on mortality risk. The study found that a combination of these factors increases the risk of early death by more than four times.

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.

How to wake a sleeping cancer cell -- and why you might want to

Researchers discovered that bone's dynamic process of building and breaking down can send signals to cancer cells to stay asleep or wake. The study showed that cancer cells are usually kept asleep by association with bone-lining cells, but can be woken by activating osteoclasts.

Children who take ADHD medicines have trouble sleeping, new study shows

A new study from the University of Nebraska-Lincoln found that children taking ADHD medications experience significant sleep problems, including delayed sleep onset and poor quality sleep. The researchers recommend frequent monitoring by pediatricians and consideration of behavioral treatments to minimize these adverse effects.

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

Want to remember new names? Sleep on it

Researchers at Brigham and Women's Hospital found that a full night of sleep significantly improved participants' ability to correctly identify the name associated with a face. The study suggests that sleep after new learning activities may help improve memory, regardless of age.

Weekday sleep changes may raise risk of diabetes, heart disease

A new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism has found that weekday sleep changes may raise the risk of developing metabolic problems such as diabetes and heart disease. Researchers discovered a link between social jetlag, which refers to the mismatch between an individual's biological...

Lead exposure impacts children's sleep

A new study found that lead exposure in early childhood is associated with an increased risk of sleep problems and excessive daytime sleepiness in later childhood. The research, published in the December issue of SLEEP, investigated the impact of lead exposure on children's sleep patterns over six years.

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

Insufficient sleep may impact kidney health

A new study suggests that shorter sleep duration is significantly linked with a more rapid decline in kidney function. Women who slept less than 5 hours per night had a 65% increased likelihood of experiencing a rapid decline in kidney function compared to those sleeping 7-8 hours.

Warning over online access to sleeping tablets

Experts warn that easily accessible online prescription sleeping tablets pose a significant risk of addiction and misuse, particularly for vulnerable individuals. The BMJ report highlights the need for regulatory authorities to ensure websites comply with medicines regulations.

GoPro HERO13 Black

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