Bluesky Facebook Reddit Email

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

Opening a channel for salt retention

Researchers have identified a small molecule that can reversibly activate the human epithelial sodium channel (ENaC), leading to increased sodium flow and improved salt balance. This breakthrough opens avenues for developing drugs to treat conditions like hypertension, neonatal pulmonary edema, and renal salt wasting disorders.

Sea salt worsens coastal air pollution: study

A new study finds that sea salt and urban/shipping pollution combine to create a highly toxic mixture of ground-level ozone and pollutants in coastal areas. Researchers detected unusually high levels of nitryl chloride, a key contributor to air pollution, where these two pollutants meet in the southeastern US.

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.

Salt-tolerant gene found in simple plant nothing to sneeze at

Researchers discovered a previously thought non-essential gene linked to salt tolerance in arabidopsis, which may aid in developing plants resistant to high salt levels. The finding clarifies the role of complex-N-glycan and could lead to improved crop yields in salt-affected areas.

Rare genetic mutations protect against hypertension

Researchers at Howard Hughes Medical Institute identified functional mutations in three genes that contribute to blood pressure variation in the general population. These mutations, present in approximately 2% of the population, are associated with a 60% reduction in the risk of hypertension.

For the paper trail of life on Mars or other planets, find cellulose

A team of scientists discovered cellulose microfibers in ancient salt deposits, estimated to be 253 million years old. This finding suggests that cellulose may have played a role in the development of life on Earth and could potentially serve as a 'paper trail' for searching for life on other planets.

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.

MIT applies engineering approach to studying biological pathways

By analyzing yeast cells' responses to periodic salt bursts, MIT researchers developed a simple model that captures the dynamics of a critical cellular pathway. This approach provides an alternative way to study intricate biological systems without requiring extensive computational simulations.

The devil in the dark chocolate

While flavanol-rich dark chocolate offers cardiovascular benefits, manufacturers often remove these compounds to balance calorie content, rendering the product less healthy than claimed. Flavanols have antioxidant properties but are not a guarantee of healthiness.

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.

The hills and valleys of Earth's largest salt 'flat'

Researchers mapped Bolivia's Salar de Uyuni to a resolution of a few centimeters, uncovering previously hidden features like hills, ridges, and valleys. These topographic features impact satellite-based ranging instruments' accuracy, revealing a correlation between subsurface density variations and surface gravity strength

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.

Scientists discover how gold eases pain of arthritis

Scientists at Duke University Medical Center discovered how gold eases pain of arthritis by blocking release of HMGB1 from the nucleus, weakening inflammatory response. Gold inhibits HMGB1 release using interferon beta and nitric oxide, a promising mechanism for new treatments.

MIT gel changes color on demand

The team developed a structured gel with tunable optical properties that can rapidly change color in fractions of a second. The gel's color shift is limited to one dimension due to its one-dimensional periodic stack structure, resulting in a dramatic improvement over earlier color-changing gels.

Aswan Obelisk Quarry more than meets the eye

Researchers at Penn State suggest a canal existed in the quarry, enabling stone transportation, and propose solutions to prevent water damage. Preservation efforts are crucial to protect the site's unique archaeological record.

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.

Improving plants' abilities to cope with saline conditions

Researchers at the Hebrew University of Jerusalem developed a method to increase plant tolerance to salt stress, preventing stunted growth and plant death. The technique uses genetic manipulation to reduce self-induced membrane damage and has significant consequences for dealing with soil salinization.

Sowing seed on salty ground

Researchers identified a sodium transporter gene that helps plants grow better in low-nutrient conditions. The OsHKT2;1 transporter allows plants to take up sodium, reducing the toxic effects of salt stress and even enhancing growth under nutrient-poor soils.

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.

Salt increases ulcer-bug virulence

High-salt diets may increase the risk of severe gastric disease by inducing gene activity in H. pylori, making it more virulent. The study found that bacterial cells exposed to high salt concentrations exhibited morphological changes and increased transcription of virulence genes.

Pimp my meatballs -- collagen injections safeguard nutrients

A new study by researchers from the Agricultural University of Poznan in Poland found that collagen injections can help retain important nutrients like iodine and thiamine in meatballs. Thiamine is essential for energy conversion, while iodine deficiency can lead to severe health issues such as goiter and impaired mental development.

Smart thin film membranes adopt properties of guest molecules

Researchers at Virginia Tech have created nanostructured membranes that can recognize and bind to diverse organic and inorganic molecules. These membranes adopt the properties of the guest molecules, enabling applications such as controlling ion flow through films.

Scientists develop method to find genetic basis for plant variation

Researchers at Purdue University have developed a new approach to rapidly identify the gene responsible for high sodium levels in plants, shedding light on the likely origin of such differences. The method combines DNA microarrays with genetic databases to pinpoint genetic variations, offering a tool to study diverse plant properties.

Apple iPhone 17 Pro

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

Microcapsules like it hot and salty

Scientists have developed a theoretical model to predict the properties of microcapsules based on salt content and temperature, enabling precise control over their permeability. This allows for intelligent transport systems that can release active substances at specific locations in the body.

Platinum cages

A team of researchers has successfully produced large, porous, hollow platinum spheres by using liposomes as blueprints. The spheres are made of continuous, branched platinum sheets and have potential applications in biomedical, catalytic, and optical fields.

Salt intake is strongly associated with obesity

A study published in Progress in Cardiovascular Diseases found a strong association between salt intake and obesity. Reducing salt intake was associated with a significant decrease in stroke and coronary heart disease mortality, as well as an increase in life expectancy.

Tastes great! Study shows brain's response to pleasing -- and changing -- tastes

Researchers tracked brain activity in rats while they tasted water, salt water, and sugar water, finding that a formerly disliked taste became pleasurable when the rats were deprived of salt. This study provides new insights into how the brain processes pleasure and has implications for understanding eating disorders and addiction.

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.

Sorting facts and opinions for homeland security

A new research program aims to teach computers to scan through text and sort opinion from fact, with the goal of improving national security. The project uses machine-learning algorithms to train computers on examples of text expressing both fact and opinion, enabling them to distinguish between the two.

Upgrading donor lung quality to improve availability

Researchers enhanced donor lungs using clinical maneuvers, increasing transplant procedures without compromising recipient function. The San Antonio Lung Transplant protocol improved lung procurement rates by up to 50%, reducing lengthy wait times and potentially eliminating deaths among patients awaiting lung transplantation.

Fuel cell membrane materials offer solution for removing salt from water

Researchers at Virginia Tech have developed a new polymer membrane for reverse osmosis that resists degradation by chlorine, allowing for efficient desalination. The membrane uses a similar structure to proton exchange membrane materials used in fuel cells, but with added salt treatment for improved chlorine resistance.

Cold shot

Scientists have developed a new technique to detect uranium in contaminated soil by freezing the sample and blasting it with an ultraviolet laser. This method, known as cryogenic fluorescence spectroscopy, allows for sharper resolution of spectral fingerprints and detection of different forms of uranium.

Celestron NexStar 8SE Computerized Telescope

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

Study looks for genetic predictors of hypertension

Researchers investigate sodium channel genes to identify genetic predictors of hypertension and develop screening methods for high blood pressure in the general population. A study involving 300 healthy youth will measure sodium handling after environmental stress and analyze their genes to correlate with impaired natriuresis.

Salt and dust help unravel past climate change

Researchers extracted a 3 km long ice core from Antarctica's plateau to study the Earth's climate over the last 740,000 years. The team found that as sea ice extent declined, salt levels rose due to brine expulsion, while dust levels increased in cold times, suggesting South America was drier or windier.

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.

Genetic test accurate for salt-related high blood pressure

A new genetic test has been developed with a 78% accuracy in predicting individuals with low renin levels and salt sensitivity. The test is based on the number of variations found in salt-regulating genes, with more gene variants associated with bigger health problems.

Experts find better way to scrub milking hardware

Researchers at Penn State found that electrolyzed oxidizing water can effectively clean milk pipes without the need for harsh chemicals. The new method is also less expensive and has no skin irritation risks, making it a promising solution for the dairy industry.

Salty taste preference linked to birth weight

Research found that infant birth weight is inversely related to salty taste acceptance, suggesting a lasting influence on flavor and food preferences. The study's results could inform programs aimed at reducing salt intake, which is linked to high blood pressure.

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.

Dust storms may carry bacteria to Japan from China

Researchers found halophilic bacteria in non-saline Japanese soil, suggesting they originated from salt lakes in Inner Mongolia, China. The study suggests dust storms can transport bacteria across geographical boundaries, posing health risks.

Life in deadly conditions

The study of Natronomonas pharaonis reveals its unique ability to thrive in extremely alkaline and salty environments. The organism's genome encodes the synthesis of 2,843 proteins, which are stable even at high salt concentrations.

Geoscientists and educators take on antievolutionists

Scientists and educators defend evolution against trained attackers by focusing on ID's weak points, using humor, and emphasizing irrefutable facts. Multiple levels of antievolutionism are being attacked in various fields, including geoscience and space science education.

Disaster lessons: What you don't know can kill you

The people of Simuelue island have a century-old oral tradition that warns of tsunamis, allowing them to evacuate quickly and save lives. In contrast, communities with less knowledge were devastated by tsunamis, highlighting the importance of planning and public education in disaster preparedness.

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.

Water management in cells

Researchers have identified key mechanisms for cell volume regulation, including water channels and organic particle efflux. Cells use these processes to manage salt concentrations and prevent osmotic disruption.

Fresh water affected by salt from deicing roads

Historical records show salinity concentrations increasing in groundwater and aquifers due to urbanization and deicer use. High chloride levels can induce mortality in aquatic animals and alter plant composition.

Giant optical telescope in Africa comes online

The SALT Telescope will provide unparalleled views of the southern Milky Way and nearby galaxies like the Magellanic Clouds. The telescope's Prime Focus Imaging Spectrograph will capture high-resolution pictures and spectra, enabling scientists to study star formation and galaxy evolution.

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.

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.

Living with salt

Researchers found a unique salt-tolerant enzyme in algae that shares structural similarities with human kidney enzymes. This discovery may lead to the development of new drugs targeting enzyme-based treatments.

Road salt affects mitigation wetlands

Researchers monitoring two PennDOT-installed data loggers measure high salt levels in runoff wetland, reaching half the salinity of seawater. The effects on species and soil quality are still unknown but may include decreased midge populations and increased algae growth.