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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

Exercise improves brain function in overweight and obese individuals

A study led by Dr. Stephanie Kullmann found that exercise improves brain function in overweight and obese individuals by normalizing brain functions important for metabolism and increasing regional blood flow in areas of the brain dependent on dopamine. Participants also reported improvements in mood and executive function.

The insulin under the influence of light

Scientists uncover how light influences insulin sensitivity and metabolic homeostasis, shedding light on the circadian rhythms' impact on diabetes. The study suggests that taking into account time of day can help patients better manage their treatment and reduce risks associated with daily insulin injections.

Sleeping in on the weekend won't repay your sleep debt

Research found that sleeping in on weekends doesn't lastingly improve health measures, and even short-term recovery is disrupted by returning to poor sleep habits. The study suggests that consistency matters for getting sufficient sleep and minimizing the risk of obesity and diabetes.

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.

Train harder, for less time

A six-week high-intensity resistance training program improved insulin sensitivity by 16% and increased muscle size and strength in overweight men. The study suggests that short sessions of exercise to exhaustion are equally effective as longer sessions, making it a time-efficient way to improve health outcomes.

Celestron NexStar 8SE Computerized Telescope

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

Natural sugar defends against metabolic syndrome, in mice

Researchers found that trehalose improves insulin sensitivity in mice by activating a gene called Aloxe3, which boosts calorie burning and reduces fat accumulation. Trehalose also has beneficial effects on the liver's metabolism, similar to fasting.

Breakthrough in battle against type 2 diabetes

Experts from the University of Stirling have made a breakthrough in understanding how people respond to lifestyle treatment for preventing Type 2 diabetes. A new genomic signature has been discovered that indicates improved insulin sensitivity in individuals whose Type 2 diabetes status improves following a treatment intervention.

A stimulating approach to the treatment of diabetes

Scientists used deep brain stimulation to regulate blood sugar metabolism and increase insulin sensitivity in patients with type 2 diabetes. The treatment showed promising results, reducing insulin requirements and boosting glucose tolerance.

Simplified method allows CGM users to leverage trend arrow data

Experts developed a streamlined approach to using Dexcom G5 Mobile Continuous Glucose Monitor (CGM) trend arrow data. The new tool helps individuals with diabetes adjust insulin doses more accurately, reducing dangerous fluctuations and long-term complications.

AMPK -- the enzyme that makes physical activity healthy

A new study reveals that AMPK plays a key role in enhancing insulin's ability to stimulate glucose uptake in muscles after physical activity. This discovery may lead to the development of an 'exercise pill' for people with limited mobility or those who struggle with physical activity.

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.

Natural compound reduces signs of aging in healthy mice

Researchers found that supplementing healthy mice with NMN reduced signs of aging such as weight gain, loss of insulin sensitivity, and declines in physical activity. Long-term effects showed improved energy metabolism, better liver function, and increased tear production.

Apple iPhone 17 Pro

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

More evidence that 'healthy obesity' may be a myth

A recent study challenges the concept of 'healthy obesity,' revealing nearly identical gene expression changes in obese individuals with varying levels of insulin sensitivity. The research suggests that vigorous health interventions may be necessary for all obese individuals, regardless of their metabolic health status.

Diabetes reversal after bypass surgery linked to changes in gut microorganisms

Research finds duodenum-jejunum gastric bypass surgery alters gut microorganisms, leading to improved glucose tolerance and insulin sensitivity, resulting in diabetes remission. Bypass surgery also reduces inflammation in liver and fat tissue without directly affecting brain-derived neurotrophic factor (Bdnf) expression.

Novel lipid lowering medication improves blood sugar control in type 2 diabetes

Volanesorsen, a novel lipid-lowering medication, significantly improved insulin sensitivity and glucose control in patients with type 2 diabetes and high triglycerides. The study found a 69% reduction in triglycerides and improved hemoglobin A1c levels, suggesting that lowering triglycerides can improve insulin sensitivity.

Fat tissue shows a robust circadian rhythm in a dish

Researchers found that subcutaneous fat has an intrinsic circadian rhythm in insulin sensitivity, peaking at noon and decreasing by midnight. This internal clock may contribute to daily rhythms in glucose tolerance observed in humans.

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.

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.

Meta Quest 3 512GB

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

Is diet or exercise the best way to reduce diabetes risk?

A new study published in Diabetes Care found that calorie restriction and exercise both improve insulin sensitivity, with combining the two approaches resulting in greater reductions. This suggests that both diet and exercise play important roles in managing Type 2 diabetes risk.

Insulin resistance linked to a human gene variant

A new study identifies N-acetyltransferase 2 as a key gene variant linked to insulin resistance, increasing the risk of type 2 diabetes and cardiovascular disease. Inhibition of NAT2 in a mouse model decreased insulin sensitivity, highlighting its role in complex diseases.

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.

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.

Insulin differs between ethnicities, study finds

A new study found that ethnic differences significantly impact insulin response, with East Asians showing improved insulin sensitivity but poorer insulin release. Healthy individuals of all ethnicities maintained normal glucose levels but did so differently, with some groups releasing more or less insulin in response to changes.

Getting enough sleep could help prevent type 2 diabetes

A study by LA BioMed found that men who get more sleep on the weekend can improve their insulin sensitivity, reducing their risk of developing type 2 diabetes. The research, conducted over six months, involved 19 non-diabetic men who slept an average of 6.2 hours per night during the week and caught up on sleep on weekends.

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.

Birth order linked to increased risk of diabetes, metabolic disorders

A study found a 21% drop in insulin sensitivity among first-born children, leading to higher daytime blood pressure and increased risk of conditions like type 2 diabetes. First-borns tend to be taller and slimmer than their later-born counterparts due to changes in the mother's uterus during pregnancy.

Resveratrol falls short in health benefits

A new study found that resveratrol supplementation did not improve metabolic function or prevent health problems in healthy, post-menopausal women. The study suggests that resveratrol may have a synergistic effect when combined with other compounds in red wine.

Embargoed news from Annals of Internal Medicine

A recent study found that short-term sleep deprivation significantly decreases insulin sensitivity in fat cells, a key finding with implications for metabolic disorders. The researchers also discovered that regular sleep deprivation may lead to metabolic problems such as diabetes and obesity over time.

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.

Single gene cause of insulin sensitivity may offer insight for treating diabetes

A study published in the New England Journal of Medicine reveals that mutations in the PTEN gene can improve metabolism and increase insulin sensitivity in people with Cowden syndrome. The researchers found that those with Cowden syndrome had higher levels of obesity, but the extra weight was caused by extra fat storage, not muscle mass.

JCI early table of contents for June 1, 2012

Researchers discovered that GPR21 inhibition improves insulin sensitivity and energy expenditure in mice with obesity. The absence of GPR21 also reduces inflammation and decreases body weight under normal diet conditions. Additionally, another study found that FOXO1 plays a critical role in regulating energy balance and glucose metabol...

Improving obesity-induced insulin sensitivity

Researchers found that deleting GPR21 improves insulin sensitivity in diet-induced obese mice by reducing inflammation. The study suggests that GPR21 inhibitors could be promising treatments for type 2 diabetes.

On the path to age-defying therapies

Researchers found that inhibiting only mTORC1, a protein complex regulating growth and differentiation, prolongs life in mice without adverse effects on glucose tolerance or insulin sensitivity. This discovery may lead to the development of a drug specifically targeting mTORC1 to promote longevity while preventing diabetes.

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.

Intermittent exercise improves blood glucose control for diabetics

A recent study published in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that intermittent exercise with low oxygen concentrations significantly improves glycemic control in patients with type 2 diabetes. Exercise under hypoxic conditions provides greater improvements than intermittent exercise alone.

Insulin resistance linked to brain health in elderly

Researchers found that elderly individuals with high insulin sensitivity had larger brains and better verbal fluency skills compared to those with low insulin sensitivity. Higher insulin sensitivity was also associated with more grey matter in regions important for language skills.

Knocking out key protein in mice boosts insulin sensitivity

Researchers at UC San Diego and EPFL found that removing a regulatory protein called NCoR dramatically improved insulin sensitivity in mice. The study reveals a new role for NCoR in regulating fatty acid storage and glucose metabolism, which could lead to the development of targeted treatments for type 2 diabetes.

A dose of safflower oil each day might help keep heart disease at bay

A daily dose of safflower oil improved health measures such as good cholesterol, blood sugar, and inflammation in obese postmenopausal women with Type 2 diabetes. The researchers found a significant association between safflower oil supplementation and reduced cardiovascular disease risk.

Garmin GPSMAP 67i with inReach

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

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.

Sleep apnea may increase insulin resistance

Research reveals that intermittent hypoxia associated with sleep apnea can cause distinct drops in insulin sensitivity in mice. This finding suggests that sleep apnea may increase the risk of developing metabolic disorders such as type 2 diabetes.

1 sleepless night can induce insulin resistance in healthy people

A new study found that just one night of short sleep duration can cause significant changes in metabolic regulation, leading to impaired glucose tolerance and insulin resistance in healthy individuals. Researchers used the hyperinsulinemic euglycemic clamp method to measure insulin sensitivity before and after a night of either normal ...

Unhealthy foods become less popular with increasing costs

A study of 5,115 young adults found that increased prices for unhealthy foods like soda and pizza led to decreased calorie consumption and weight loss. The researchers estimate that an 18% tax on these foods could result in a decline of roughly 56 calories per person per day.