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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

Some nicotine pouch flavors much more addictive than others

A recent study investigated the effects of different flavor enhancers on nicotine preference and oral choice behavior in rats. The research found that sweeteners, particularly saccharin, increased nicotine consumption in female rats, while flavors like cinnamon had a greater impact on male rats.

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.

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.

Sugar-based catalyst upcycles carbon dioxide

A new sugar-based catalyst has successfully converted carbon dioxide into carbon monoxide, a building block for producing fuels that can replace gasoline. The catalyst, made from an inexpensive and abundant metal, offers a potential solution for disposing of captured carbon and reducing greenhouse gas emissions.

How a moth’s taste preferences change with age

Researchers discovered that cotton bollworm larvae use Gr10 to detect sucrose in low-sugar tissues, while adults primarily rely on Gr6 to sense a variety of sugars. This finding could lead to new approaches for pest control and increase crop yields.

Fondant: Where baking and thermodynamics mix

Researchers studied fondant creation using automated kneading machines and light microscopy, linking it to theoretical physics models. The team found that different preparation methods influence fondant structure and texture, enabling better prediction and control.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Apple iPhone 17 Pro

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

NIST finds a sweet new way to print microchip patterns on curvy surfaces

Researchers have found a way to transfer precise micro Patterns onto unconventional surfaces, including curved surfaces and fibers. This technique, called REFLEX, could open up new possibilities for the development of new materials and microstructures in fields such as electronics and biomedical engineering.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Researchers create biosensor by turning spider silk into optical fiber

A new light-based sensor harnesses the light-guiding properties of spider silk to detect and measure small changes in the refractive index of a biological solution, including glucose and other types of sugar solutions. The sensor is practical, compact, biocompatible, cost-effective, and highly sensitive.

Sweet spots in the sea: Mountains of sugar under seagrass meadows

Seagrasses release massive amounts of sugar into their soils, storing up to 35 times more carbon than forests. Microbes thrive on the sucrose despite phenolics inhibiting metabolism, and beneficial relationships between plants and rhizosphere microorganisms are found.

Study: Carbs, sugary foods may influence poor oral health

A recent study has found a link between high carbohydrate intake and the diversity of oral bacteria in postmenopausal women. The researchers also discovered associations between sugar consumption and certain types of gum disease, such as gingivitis. These findings suggest that diet may play a role in the development of periodontal dise...

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.

Both sucrose and high fructose corn syrup linked to increased health risks

A University of California, Davis study found that consuming sucrose and high fructose corn syrup can increase liver fat and decrease insulin sensitivity, highlighting the need for consumers to read labels carefully. The study also found no significant differences between the effects of sucrose and high fructose corn syrup.

Healthy sugar origin in stingless bee honey revealed

Researchers at the University of Queensland discovered that stingless bees produce a rare, healthy sugar called trehalulose, which is not found in other honey or as a major component in other food. Stingless bees convert sucrose to trehalulose and produce honey rich in trehalulose in their gut.

Sugar overload may be a recipe for long-term problems

A new study suggests that consuming high amounts of sugar from childhood can lead to significant weight gain, persistent hyperactivity, and learning impairments. Reducing sugar intake has been shown to prevent these issues, supporting World Health Organization recommendations.

Consumption of added sugar doubles fat production

Even moderate amounts of sugar increase fat synthesis in the liver, leading to a longer period of overactive fat production. Fructose and sucrose are found to have particularly detrimental effects, doubling fat production beyond food intake.

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.

Big bumblebees learn locations of best flowers

A new study shows that big bumblebees selectively remember the location of flowers with high nectar concentrations. In contrast, smaller bumblebees invest equally in learning the locations of artificial flowers regardless of sucrose concentration.

Different forms of sugar impact hunger-suppressing hormones in young adults

A recent study published by The Endocrine Society found that consuming drinks with sucrose can lead to lower levels of appetite-regulating hormones compared to glucose. The researchers discovered that individual characteristics, such as body weight and sex, also affect hormone responses to different types of sugar.

Sweet taste reduces appetite?

A study found that consuming lactisole-supplemented sucrose increased energy intake and reduced serotonin levels in male subjects, suggesting a role for the sweet taste receptor in satiety regulation. The effect was not observed with glucose supplementation.

Nucleus accumbens recruited by cocaine, sugar are different

Researchers found that the nucleus accumbens recruited by cocaine use are largely distinct from those recruited by sucrose, offering a potential solution for treating substance use disorders without affecting biologically adaptive seeking of reward. The study identified specific neuronal ensembles and cell types involved in each response.

Sweet-taste perception changes as children develop

Research found that children and adolescents need 40% more sucrose in a solution to detect the taste of sugar, with higher taste-detection thresholds and preferred sweeter levels. These age-related differences may result from distinct developmental trajectories with different underlying mechanisms.

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.

Low-calorie sweetener derived from lactose gets manufacturing boost from yeast

A new strain of yeast can produce tagatose in much larger quantities than traditional enzymatic manufacturing techniques, making it a cost-effective alternative to sugar or high-fructose corn syrup. The glycemic index of tagatose is lower than that of sucrose and fructose, carrying a lower risk for developing Type 2 diabetes.

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.

The sugar wars: Rhetoric or reason?

Researchers argue that sugar is not responsible for obesity and metabolic diseases, citing evidence from multiple domains. Experts also highlight the importance of physical activity in determining metabolic health. The debate raises questions about the role of sugar in modern diets and whether restrictive recommendations are effective.

Mediterranean diet boosts beneficial bacteria

A recent study published in Frontiers in Nutrition found that a Mediterranean-type diet enhances the good bacteria living in the gut, increasing diversity by up to 7% compared to a Western diet. The study used an animal model and analyzed fecal samples to confirm these findings.

Sweet route to greater yields

Researchers from Rothamsted Research introduce a rice gene that regulates sucrose accumulation in kernels, leading to increased productivity in maize even under drought conditions. The transgenic maize also improves rates of photosynthesis, resulting in more sucrose production for additional kernels.

Meta Quest 3 512GB

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

Sweet success: Nanocapsule perfectly binds sucrose in water

A Japanese team of researchers has successfully developed a synthetic receptor nanocapsule that can selectively bind sucrose in water. The capsule's unique recognition system is based on CH-π interactions between sucrose and the inner walls of the nanocapsule, allowing it to capture sucrose with high yield and stability.

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.

Diverse populations make rational collective decisions

Researchers at Hokkaido University discovered that individual ants with different preferences can lead to a collective rational decision when making binary choices. The team found that the middle group of ants, which preferred a higher sucrose concentration, was the key to the colony's decision-making process.

Association between sugary diet and coronary artery disease

A study from Lund University found that consuming high amounts of added sucrose increases the risk of myocardial infarction by about a third. The researchers analyzed data from over 26,000 participants and found no correlation between sugar intake and cardiovascular disease for those following general dietary recommendations.

New discovery may improve future mosquito control

A team of researchers has discovered a receptor on the legs of mosquitoes that, when activated, makes female mosquitoes fly away. This finding could lead to novel mosquito repellents and potentially disrupt the life cycle of disease-spreading mosquitoes.

Celestron NexStar 8SE Computerized Telescope

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

Digesting sweet taste

A study from the Monell Center found that gut enzymes sucrase and maltase are also expressed in sweet taste cells on the tongue, breaking down complex sugars into glucose and fructose. This discovery may lead to the development of non-caloric sweeteners with a better sweet taste.

Growing sweet on tomatoes

Researchers from Tohoku University created a modified DNA sequence that increases sucrose levels in tomatoes without limiting growth. The technology also affects amino acid metabolism, resulting in higher levels of several key compounds.

Study compares risk of anaphylaxis among marketed IV iron products

A study analyzed data from 688,183 recipients of IV iron products and identified a higher risk of anaphylaxis with certain formulations, including iron dextran. The researchers found that the cumulative risk of anaphylaxis was highest with iron dextran and lowest with iron sucrose.

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.

Added fructose is a principal driver of type 2 diabetes

Recent studies suggest that added sugars, particularly fructose, are a principal driver of type 2 diabetes. Clinical experts recommend drastic reductions in added sugar and especially fructose consumption to combat the growing epidemic.

Fructose more toxic than table sugar in mice

A new study reveals that fructose-glucose mixtures in high-fructose corn syrup are more toxic to female mice than sucrose, reducing reproduction and lifespan. In contrast, male mice showed no significant differences between the two diets.

Scientists track gene activity when honey bees do and don't eat honey

Researchers tracked changes in gene activity when Western honey bees eat different diets, finding significant differences between those eating honey and those consuming sucrose or high-fructose corn syrup. Gene expression changes support the potential role of diet in maintaining bee health.

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.

Nectar: A sweet reward from plants to attract pollinators

A team of scientists has identified the key player in plant nectar production, revealing that plants rely on SWEET9 to transport sugars into extracellular areas where nectar is secreted. The discovery suggests that this process evolved early in the formation of flowering plants and may have increased genetic diversity.

Nectar: A sweet reward from plants to attract pollinators

A team of scientists has identified the transport protein SWEET9 as a key player in three diverse flowering plant species, demonstrating its essential role in nectar production. By analyzing specially engineered plants lacking this transporter, they found that sugars accumulate in stems instead of being secreted into nectaries.

Do you have a sweet tooth? Honeybees have a sweet claw

A recent study reveals the unique way honeybees process information from both front tarsi to decide whether to feed, highlighting the importance of their sense of taste in finding nectar and pollen. The sensitivity of their claws and tarsomeres plays a crucial role in detecting sweet and salty substances.

Obese women alter diets in response to additional calories from soft drinks

A recent study published in the British Journal of Nutrition found that obese women voluntarily reduced their dietary intake by 378kcal in response to additional sugar-sweetened drinks. The researchers discovered that these women were able to compensate for most of the extra calories by decreasing energy intakes from other sources.

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.