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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

Gut hormone has 'remote control' on blood sugar

Researchers found that a gut hormone called cholecystokinin (CCK) activates receptors to regulate glucose levels via a gut-brain-liver neuronal axis. CCK's effects depend on activation of CCK-A receptors, which slow down glucose production in the liver.

Polycystic ovarian syndrome: New light on its causes and its effect on brothers

Researchers found that mothers with elevated blood pressure during pregnancy increased the risk of PCOS in their daughters, while a family history of cardiovascular disease in either parent was also linked to an increased risk. Brothers of women with PCOS are also at greater risk of developing insulin resistance or diabetes.

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.

Apple iPhone 17 Pro

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

Too much protein, eaten along with fat, may lead to insulin resistance

A new study from Duke University Medical Center suggests that high protein intake with fat consumption may contribute to insulin resistance in obese individuals. The research found that the combination of branched-chain amino acids and high-fat diets caused changes at the cellular level that can lead to insulin resistance.

High-fat diets plus extra protein make for bad mix

A new study reveals that high-fat diets supplemented with extra branched chain amino acids can lead to insulin resistance and diabetes in rats. The researchers found that BCAA tend to climb along with insulin resistance, and its effects are exacerbated when combined with high fat consumption.

Fat-derived inflammatory factor may explain diseases that come with obesity

A new study published in Cell Metabolism suggests that a fat-derived inflammatory factor, CXCL5, plays a key role in insulin resistance and obesity-related diseases. The researchers found that CXCL5 is produced by fat tissue and is linked to the development of various conditions, including pulmonary disease, lung cancer, and arthritis.

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.

Scientists closer to understanding how to control high blood sugar

Researchers at the University of Michigan discovered that protein TBC1D1 plays a crucial role in glucose transport into muscle cells after exercise. This finding could lead to new drug therapies or more effective exercise protocols for preventing Type 2 diabetes and other health problems associated with high blood sugar.

JCI online early table of contents: March 9, 2009

Two studies found that SOX9 renders melanomas sensitive to retinoic acid, stopping tumor growth and offering new hope for effective treatment. Additionally, researchers identified two enzymes crucial for ureter-bladder connection during development, which may hold key to treating congenital anomalies.

Is telmisartan effective in treating nonalcoholic steatohepatitis?

A study published in the World Journal of Gastroenterology found that telmisartan significantly improved insulin resistance, reduced liver inflammation and fibrosis, and showed promise as a treatment for nonalcoholic steatohepatitis. In contrast, valsartan had no effect on liver histology or plasma lipids.

Missing link between fructose, insulin resistance found

A new study in mice reveals that a gene called PGC-1b plays a key role in the development of insulin resistance caused by high fructose intake. The researchers found that blocking PGC-1b activity improved metabolic profiles and reversed fructose-induced insulin resistance.

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.

Ethnic differences found for fatty liver disease and insulin resistance

A new study published in Hepatology found that African-Americans are more resistant to fatty liver disease and insulin resistance, particularly when it comes to triglyceride levels. The research suggests an 'insulin resistance paradox' where African-Americans exhibit lower insulin sensitivity despite similar body fat distributions.

New cause of critical illness hypeglycemia identified

Researchers have identified two causes of critical illness hypeglycemia in children: peripheral insulin resistance and primary beta-cell dysfunction. The study found that those with respiratory failure only had CIH caused by elevated insulin resistance, while those with both respiratory and cardiovascular failure had CIH caused by prim...

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.

JCI online early table of contents: Feb. 2, 2009

Researchers found a genetic variation in the HGF gene that increases breast cancer risk, suggesting shortening of a DNA region called DATE could be a useful marker. A study also revealed that high-fat diets can lead to insulin resistance by damaging mitochondria and increasing oxidative stress, but antioxidants may mitigate this effect.

JCI table of contents: Jan. 26, 2009

A study by Wajahat Mehal and colleagues found that aspirin reduces liver damage caused by acetaminophen overdose. In contrast, glucocorticoid therapy may cause varying levels of brain injury in neonates, depending on the type of steroid used. These findings have important implications for treatment strategies.

Study compares exercise regimens for obese older adults

A randomized clinical trial involving sedentary obese older adults found that a combination of resistance and aerobic exercises improved insulin resistance and functional limitations. The study showed greater improvements with combined exercise compared to individual types of exercise.

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.

On a high-fat diet, protective gene variant becomes bad actor

A gene variant that protects against weight gain and insulin resistance becomes a bad actor on high-fat diets, new research suggests. Mice with the Ala12 variant show improved insulin sensitivity and better plasma lipid profiles on balanced diets but worsen these outcomes when fed a diet high in fat.

Apple or pear shape is not main culprit to heart woes -- it's liver fat

New research suggests that excess liver fat is a key contributor to metabolic problems, including high blood pressure and cardiovascular disease. The study found that children with fatty liver disease had abnormalities in glucose and fat metabolism, including lower levels of HDL cholesterol.

Vitamin K linked to insulin resistance in older men

A three-year study found that vitamin K supplementation improved insulin resistance in elderly men, while worsening it in women and those not given supplements. Vitamin K may help regulate glucose metabolism by storing in fat tissue.

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.

Fructose sets table for weight gain without warning

A new study reveals that fructose consumption can induce leptin resistance, leading to weight gain when combined with a high-fat diet. Leptin resistance developed silently, without obesity, and was associated with higher triglyceride levels in the blood.

Don't forget the vitamin A when working with its carrier protein

A study found that vitamin A's carrier protein, retinol-binding protein (RBP), was significantly lower in obese subjects than nonobese subjects. This suggests a potential link between RBP and insulin resistance in obesity. Further research is needed to determine the role of apo-RBP, an unbound form of RBP, in mediating insulin signaling.

Young type-2 diabetic men suffer low testosterone levels, study shows

A study published in Diabetes Care found that young men with type-2 diabetes have significantly lower levels of testosterone, which can impact fertility, muscle development, and increase the risk of heart disease. The study also highlights the potential clinical implications of low testosterone in these individuals.

A mechanism for the development of obesity-associated conditions

A new study found that targeting liver CB1 receptor may treat obesity-related conditions without brain-side effects, reversing severe insulin resistance and fatty liver in mice fed high-fat diets. The research indicates liver-specific CB1 is necessary for high-fat diet-induced fatty liver and related hormonal changes.

Fluke 87V Industrial Digital Multimeter

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

Trans-fatty acids and insulin sensitivity

Researchers found that rats on diets enriched with industrial or natural trans-fats showed no significant changes in insulin or glucose responses. The study also confirmed these findings in cell culture studies, indicating that muscles can utilize trans-fatty acids without increasing the risk of insulin resistance and diabetes.

Liver protein associated with type 2 diabetes in older adults

A study found that higher levels of liver protein fetuin-A are associated with an increased risk of developing type 2 diabetes in older adults. The researchers measured fetuin-A levels in 519 diabetes-free individuals aged 70-79 years and found a significant association between fetuin-A and the development of diabetes.

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.

Lifestyle can alter gene activity, lead to insulin resistance

A Finnish study of identical twins found that physical inactivity and acquired obesity impair the expression of genes involved in energy production, contributing to insulin resistance. The study suggests that lifestyle factors play a significant role in developing diabetes and heart disease.

Diabetes drug slows early-onset puberty in girls

A study found that metformin treatment delayed menstruation and decreased insulin resistance in young girls at risk of early puberty. The treatment also reduced abdominal fat and improved cholesterol levels, lowering the risk of future heart disease.

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.

Life without TORC is 1 big struggle

A team of researchers found that the protein TORC2 is crucial for glucose production and fat storage in Drosophila, a genetic switch that regulates metabolism in both flies and human livers. Without functional TORC, fly lifespan was cut in half and their ability to store energy was impaired.

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.

JCI online early table of contents: May 1, 2008

Researchers have found that tricyclic antidepressants can restore vagal function and reduce intestinal inflammation in individuals with inflammatory bowel disease, particularly those who are also depressed. Genetic mutations linked to permanent neonatal diabetes mellitus have been identified, and bacteria can blunt the responses of inv...

Dietary oil may need help in avoiding any side effects of weight loss

A new study from Ohio State University found that conjugated linoleic acid (CLA) may need to be paired with the hormone leptin to prevent side effects of rapid weight loss. The study used mice genetically engineered to have no leptin, finding that CLA diets can result in weight loss but also insulin resistance.

Joslin researchers discover new effect for insulin

Researchers at Joslin Diabetes Center have found that insulin inhibits a master gene regulator protein, SKN-1, which controls the Phase 2 detoxification pathway. Increased SKN-1 activity increases lifespan, providing potential insights into increasing resistance to chronic diseases and influencing longevity.

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.

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.

Overweight Hispanic children shown to have vascular inflammation

A new study found elevated markers of blood vessel inflammation in overweight Hispanic children with normal blood glucose levels, increasing their risk for type 2 diabetes and cardiovascular disease. The research highlights the need for obesity prevention strategies tailored to this high-risk population.

Novel link between excessive nutrient levels and insulin resistance

Researchers at the Salk Institute have discovered a novel link between excessive nutrient levels and insulin resistance. The enzyme OGT plays a crucial role in regulating insulin signaling by slamming the brake on glucose uptake, leading to the development of insulin resistance and type 2 diabetes.

Impaired fat-burning gene worsens diabetes

A study discovered a 'fat-burning' gene that plays a crucial role in insulin sensitivity. When this gene is impaired, it can lead to increased risk of obesity and worsening diabetes.

Celestron NexStar 8SE Computerized Telescope

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

'Weight training' muscles reduce fat, improve metabolism in mice

Researchers at Boston University found that increasing type II muscle mass reduces body fat and improves metabolic parameters in genetically engineered mice. This study suggests that strength training may be beneficial for overweight individuals and could lead to new treatments for obesity and diabetes.

How does insulin influence resistin?

Research suggests that insulin inhibits resistin expression and secretion in adipocytes, but resistin induces cellular insulin resistance in hepatocytes and myoblasts. Serum resistin levels correlate negatively with insulin sensitivity in diet-induced obesity rats.

Linking players in blood pressure control to metabolic syndrome

Researchers found that mice lacking the renin enzyme are lean and resistant to diet-induced obesity, even without exercise. The study suggests that renin-blocking drugs could improve obesity and insulin sensitivity, providing new insights into the metabolic syndrome.

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.