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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

Measuring blood sugar with a wave of the arm

A new sensor, smaller than a dime, measures blood glucose levels by detecting changes in acidity and frequency. The device requires no internal power supply or connections outside the body, allowing users to wave their hand to get a reading.

Celestron NexStar 8SE Computerized Telescope

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

Continuous insulin monitoring does not raise hospital costs

A study published in Endocrine Practice found that continuous insulin monitoring and endocrinologist involvement did not increase the cost of treating diabetic patients undergoing CABG surgery. The protocol showed significantly better glycemic control, leading to shorter hospital stays and fewer deep sternal wound infections.

New device can help defend against novel biological agents

Researchers at Vanderbilt University have developed a four-channel microphysiometer to monitor cell metabolism in near real time. The device can chart variations in oxygen, glucose, and lactic acid levels, providing crucial clues about the impact of unknown biological agents on cells.

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.

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.

Experimental drugs reduce neuron death in rats following insulin shock

Researchers have found that PARP inhibitors can protect brain cells from damage caused by insulin shock, a common complication of severe hypoglycemia. The study shows significant reductions in brain cell death when rats received PARP inhibitors after being induced into a hypoglycemic coma.

Buckwheat may be beneficial for managing diabetes

Researchers found that buckwheat extract can reduce blood glucose concentrations in rats with chemically-induced diabetes by 12-19%, suggesting its potential as a management aid. The active component chiro-inositol may play a role in this effect, although further studies are needed to confirm the results.

New protein provides clue to diabetes

Researchers have discovered a new protein, TUG, that controls the movement of GLUT4, a glucose transporter in cells. This finding may lead to new drug targets for treating Type 2 diabetes.

A dangerous duo: Heart disease and diabetes

Researchers have discovered a potential therapeutic target for treating hyperglycemic damage in endothelial cells, which is linked to both diabetes and cardiovascular disease. Inhibiting GAPDH activity by poly(ADP-ribose) polymerase could activate three major pathways of damage, providing new avenues for treatment.

On the horizon of glucose monitoring: A review

Researchers review new glucose monitoring technologies, including non-invasive options that could lead to better compliance with testing recommendations. Continuous glucose monitoring systems also hold promise for early detection of hidden glucose trends.

Apple iPhone 17 Pro

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

From diagnostic tool to cancer therapy

A team of researchers has discovered that injecting radioactive glucose can selectively kill cancer cells without harming healthy tissues. The treatment exploits the fact that cancer cells use more glucose than normal tissue, allowing for targeted delivery of radioactivity.

Patients find answers about lab tests at Lab Tests Online

Lab Tests Online offers a comprehensive resource for patients seeking information on lab tests, including explanations of test results and personalized responses from clinical laboratory scientists. The site also integrates with other reputable sources like NIH's Medline Plus.

Protein holds promise as new diabetes drug target

Scientists at Vanderbilt University Medical Center have identified a new compound that activates glucokinase, an enzyme that regulates blood sugar levels. The compound has shown promise in improving insulin secretion and glucose usage in animals with diabetes, paving the way for potential clinical trials.

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.

Missing link detected in insulin mechanism

Researchers identify protein that bridges signaling and membrane movement, linking insulin's action to glucose uptake. This finding could provide clues for understanding type 2 diabetes, where muscle and fat tissues resist insulin.

Hyperglycemia may increase risk of eye disorder in premature infants

A new study by Johns Hopkins Medicine has found a link between hyperglycemia and retinopathy of prematurity (ROP) in premature infants. Infants with ROP had higher daily blood sugar levels compared to healthy peers, with increased risk almost doubling for each 10 mg/dl increase in average monthly glucose.

Pitt researchers develop non-invasive glucose sensor

Researchers at the University of Pittsburgh Medical Center have developed a thin plastic sensor that changes color based on glucose concentrations. The sensor, embedded in contact lenses, allows patients to monitor their glucose levels without drawing blood.

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.

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.

New advance in fuel cell technology may help power medical implants

Researchers at Brown University have developed a new microfluidic fuel cell that can generate electricity under pulsating conditions, mimicking the flow of blood. This design could help power medical implants and eliminate the need for frequent glucose level monitoring in diabetics.

Gold 'nanoplugs' wire up enzymes

Researchers have developed a technology that uses gold nanoparticles to attach enzymes to electrodes, improving the measurement of biological molecules. The technique enables more sensitive and specific glucose monitoring in diabetic patients, with higher flow rates detected than with traditional methods.

Fast food and 'the tube': a combo for heart disease risk

A recent study published by the American Heart Association found that eating fast food meals more than twice a week was associated with double the risk of abnormal glucose control and a 50% increase in obesity risk. Additionally, frequent TV viewing habits were linked to increased odds of obesity and abnormal glucose metabolism.

Short thighs linked to greater likelihood of diabetes

Researchers found an inverse relationship between upper leg length and diabetes, with shorter legs associated with higher risk. White women and Mexican-American women showed increased likelihood of diabetes for each centimeter less of ULL.

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.

Predicting the birth of big babies

Researchers found that plasma glucose levels were poorly correlated with birth weight, and factors like smoking, pregnancy weight, and weight gain during pregnancy were more important predictors. The authors also questioned the historic link between gestational diabetes and large-for-gestational-age (LGA) neonates.

Fasting forestalls Huntington's disease in mice

Researchers found that intermittent fasting reduced degeneration of nerve cells and improved glucose regulation in mice with mutant huntingtin. This suggests that fasting may forestall the development of Huntington's disease in humans.

High sugar blood levels linked to poor memory

A study published in the Proceedings of the National Academy of Sciences found an association between impaired glucose regulation and reduced hippocampal volume, leading to poorer memory performance. This suggests that improving glucose tolerance may have significant treatment implications for age-related cognitive decline.

Coffee addicts at reduced risk of type 2 diabetes?

A large study of over 17,000 Dutch adults found that those who drank seven or more cups of coffee a day were 50% less likely to develop type-2 diabetes. The study suggests that components of coffee other than caffeine may be beneficial for glucose metabolism, but long-term effects are unknown.

New clues to help diabetes and hypoglycemia

Researchers at the University of Melbourne discovered a key player in the brain's response to low glucose levels, shedding light on how diabetes and hypoglycemia are regulated. By studying Neuropeptide Y, scientists hope to develop new treatments for these conditions.

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.

Easier monitoring of diabetes is focus of symposium, Aug. 18

Researchers are developing innovative devices that promise to simplify blood glucose monitoring, reducing the risk of complications such as blindness and kidney disease. A symposium will showcase advancements in noninvasive and minimally invasive blood glucose monitoring, including a 'smart tattoo' that glows to reveal glucose levels.

Subtract a gene and feasting mice add no fat

Scientists have created mice that can eat rich, high-fat diets without accumulating fat or risking diabetes. The mice lack the SCD-1 gene, which produces an enzyme required for fat tissue production. Instead of storing excess fat, the mice metabolize it, increasing energy expenditure and oxygen consumption.

Detection of glucose intolerance after heart attack

A study of 181 patients with acute myocardial infarction found that nearly 40% had impaired glucose tolerance at discharge and 31% had undiagnosed diabetes. The risk factors were independent predictors of abnormal glucose tolerance, suggesting a need for screening tests after heart attacks.

Meta Quest 3 512GB

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

Caterpillar saliva beats plant defenses

Researchers found glucose oxidase in caterpillar saliva, which converts glucose to gluconic acid and hydrogen peroxide. The enzyme suppresses plant nicotine production by 26%, making caterpillars healthier.

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.

American Thoracic Society Journal news tips for March (first issue)

Chronic obstructive pulmonary disease (COPD) is associated with a 3.9% reduction in workforce participation rates, particularly among those with moderate to severe disease. Additionally, sleep-disordered breathing in mildly obese men is linked to glucose intolerance and insulin resistance.

Study shows how plant cells spin cotton

Researchers at UC Davis have identified a crucial role for sitosterol in starting the process of making cellulose. The study reveals how plant cells spin cotton fibers, providing valuable insights into the textile industry's most valuable crop.

Stress management can help control glucose in type 2 diabetes

A study published in Diabetes Care found that stress management techniques, when added to standard care, helped reduce glucose levels in patients with type 2 diabetes. On average, the stress management group showed a 0.5 percent reduction on the hemoglobin A1c test.

Obese women convert carbohydrate to fat faster than lean women

A study published in the American Journal of Clinical Nutrition found that obese women converted carbohydrates to fat at a faster rate than lean women. This increased conversion was observed even when both groups were overfed with carbohydrate-rich diets, suggesting an intrinsic genetic potential for de novo lipogenesis.

Fluke 87V Industrial Digital Multimeter

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

Foxo1 and the insulin resistance of cultured kidney cells

Researchers discovered that Foxo1 is involved in regulating glucose metabolism and promoting insulin resistance in cultured kidney cells. Increased Foxo1 activity was linked to decreased insulin sensitivity, highlighting its potential as a therapeutic target for treating related disorders.

'Imprinted' gels hold promise for future medical devices

Researchers develop biomimetic gel that binds to glucose molecules, potentially triggering insulin release in diabetics. The gel's sensing mechanism could be incorporated into implantable devices, providing therapy for type one diabetes.

GLUT4 in membrane ruffles

Researchers found GLUT4 inserted into plasma membranes at regions of membrane ruffling. High insulin and glucose levels impede this process, suggesting a novel explanation for muscle glucose homeostasis loss in diabetes. This study provides insight into the role of membrane-cytoskeletal interactions in regulating glucose uptake.

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.

Many diabetes cases may go undetected by afternoon tests

Current diagnostic criteria for diabetes are based on morning measurements, but patients tested in the afternoon may have higher fasting plasma glucose levels, leading to incorrect diagnoses. The study suggests that applying current criteria to afternoon patients could miss up to half of undiagnosed cases.

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.

Study suggests diabetics can use light to measure glucose

Researchers have developed a technique using infrared light to measure blood glucose, offering a painless alternative to current methods. A small clinical trial involving five people with Type I diabetes showed promising results, paving the way for future commercial development.

The glycemic index: Rethinking diet and cardiovascular risk

A new study found that a high glycemic load diet, which includes foods like rice and potatoes, increases the risk of coronary heart disease in US women. Women with higher glycemic load were 1.57 times more likely to have CVD than those with lower glycemic load.

New and painless way for diabetics to measure glucose levels

Researchers have developed a new and painless way to measure glucose levels in diabetics using low-frequency ultrasound. The method, described in a recent study, involves making the skin permeable with ultrasound waves, allowing glucose to cross the skin and be measured continuously for up to 12 hours.

Obese Black Teens At High Risk For Diabetes, Study Suggests

A recent study by Ohio State University researchers found that obese Black teenagers have a significantly higher risk of developing type II diabetes as adults compared to their white counterparts. The study highlights the need for early aggressive weight management in Black teens, given racial and ethnic differences in glucose metabolism.

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.