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

Elephants, giraffes and rhinos go where the salt is

A new study reveals that elephants, giraffes, and rhinos are unable to get enough salt from their habitats, leading to sodium deficiency. The researchers found that larger-bodied species are more affected by sodium scarcity, which influences their habitat selection and behavior.

Do we need to reassess chemicals?

A team of Chinese researchers found that chlorinated volatile organic compounds on mineral dust particles can be converted into highly toxic polychlorinated dibenzo-p-dioxins and dibenzofurans by sunlight. The study highlights the need to reassess the toxicity of commercial chemicals and their atmospheric conversions.

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.

Rice lab finds faster, cleaner way to extract lithium from battery waste

A new process by Rice University researchers recovers up to 50% of lithium in spent LIB cathodes in just 30 seconds, overcoming a significant bottleneck in LIB recycling technology. The microwave-based method uses a readily biodegradable solvent and achieves efficiencies similar to conventional heating methods but much faster.

Enhancing solid-state phosphorescence in π-electronic molecules

Researchers at Ritsumeikan University enhance solid-state phosphorescence in organoplatinum(II) complexes by 75 times through anion binding and ion-pairing with countercations. The strategy isolates π-electronic molecules, improving luminescent properties and extending emission lifetime.

Apple iPhone 17 Pro

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

And then there were 6 — kinds of taste, that is

Scientists at USC Dornsife College of Letters, Arts and Sciences have found evidence of a sixth basic taste detected through ammonium chloride detection. They discovered that the tongue responds to ammonium chloride through the same protein receptor that signals sour taste.

A novel method to obtain acetone more simply, safely and cheaply

A novel method to obtain acetone has been developed by a scientific collaboration between researchers in Brazil and Germany, using only light and photoactive iron chloride. The process is direct, safer, and cheaper than traditional methods, with fewer stages and no high temperatures or flammable intermediaries.

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.

Breathing supercapacitor

Researchers have created a supercapacitor that combines high power and energy density using a 'breathing' electrode with chlorine gas. The new device achieves rapid charge separation and mass transfer, increasing its energy storage capacity.

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.

Are new antiseptics safer than their antimicrobial predecessors?

A new study assesses the environmental safety of three topical antiseptic compounds, finding high margins of safety for two of them. Researchers conclude that these substances are unlikely to cause ecological harm, providing a sound basis for interpreting future environmental data.

Study explores what food sector needs to know about how to reduce sodium

A comprehensive review of scientific literature on sodium reduction strategies in food production identifies five main approaches: salt reduction, salt replacers, flavor modification, physical modification, and functional modification. These methods can help food companies reduce sodium content while maintaining palatability.

Fluke 87V Industrial Digital Multimeter

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

Non-toxic technology extracts more gold from ore

Researchers at Aalto University have developed a non-toxic alternative to traditional cyanide-based gold extraction processes. The new chloride-based method, called EDRR, achieves an impressive 84% gold recovery rate, surpassing the 64% recovered with traditional cyanide methods.

Deaths rising in workers using methylene chloride paint strippers

A comprehensive review of US fatalities linked to methylene chloride paint strippers reveals more deaths than expected, with 85 reported between 1980 and 2018, most in occupational settings. Safer alternatives are available, and experts urge the EPA to limit use and prevent further deaths.

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.

Making molecular movies of a biological process of energy conversion

Researchers use time-resolved serial femtosecond crystallography to capture dynamic changes in chloride ion-pumping rhodopsin, an atomic 'pump' driven by sunlight. The study reveals the mechanisms of energy conversion and has implications for designing light-sensitive molecular pumps.

Modulating cells' chloride channels

Scientists have discovered how a key protein channel regulates ion transport across cell membranes, with implications for developing treatments for diseases such as cancer, cystic fibrosis, and neurological pain. The research found that the channel's function depends on its variant and is regulated by PIP2 binding and phosphorylation.

Near-atomic 'maps' reveal structure for maintaining pH balance in cells

Researchers have visualized a new class of molecular gates, called proton-activated chloride channels (PAC), which regulate the passage of small molecules into and out of cells. These gates are critical for maintaining pH balance within brain cells, allowing them to sense and respond to their environment.

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.

What membrane can do in dealing with radiation

Researchers developed a novel γ-radiation intensity sensor using polymethylmethacrylate and polyvinyl chloride membranes. The sensor changes color in response to increasing radiation intensity, allowing for quick and easy measurement.

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.

Disease-causing protein in cystic fibrosis has ancient roots in sea lamprey

Researchers have identified the oldest known ortholog of the ion channel defective in cystic fibrosis, found in ancient sea lampreys approximately 450 million years ago. The protein diverges significantly from its human counterpart and has unique functional properties, suggesting a distinct evolutionary history.

The secrets behind a creepy photographic technique

Mordanñage is a 19th-century photographic process that creates dramatic black-and-white images with veiling effects. Researchers have determined the chemical details behind the process, revealing how hydrogen peroxide and acetic acid soften the photographic paper, allowing copper to oxidize and form veils.

Gene mutation in the chloride channel triggers rare high blood pressure syndrome

Researchers have discovered that a gene mutation in the chloride channel causes hyperaldosteronism, leading to abnormally high blood pressure and kidney damage. The study used a mouse model to investigate the pathological mechanisms of the disease, providing insights into the effects of an open chloride channel on aldosterone production.

New drug could help treat neonatal seizures

Researchers have identified a small organic compound called gluconate that acts as an anticonvulsant, inhibiting seizures by targeting chloride ion channels. The study found that gluconate suppresses seizure activity more effectively in neonatal animals than adults.

Using bacteria to protect roads from deicer deterioration

Drexel University researchers have found that mixing a certain type of bacteria into concrete can prevent potholes caused by road salt. The bacteria produce calcite, which interacts with the calcium chloride in road salts and prevents their negative effects on concrete.

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.

Researchers uncover hidden deicer risks affecting bridge health

Researchers found that magnesium chloride deicers can cause significant degradation of concrete strength and micro-hardness, even without visible signs of damage. The study's findings have important implications for transportation officials and the use of magnesium chloride as a winter road treatment.

Individual silver nanoparticles observed in real time

Researchers at Ruhr-University Bochum have created a new technique to study the chemical reactions of individual silver nanoparticles in real-time. They found that under certain conditions, these particles transform into poorly soluble silver chloride, which can be toxic for many organisms.

Cellular valve structure opens up potential novel therapies

Researchers at the University of Zurich have discovered the molecular structure of a cellular valve, which plays a crucial role in regulating cell volume. The study reveals potential approaches for treating conditions such as cerebral ischemia, stroke, and cancer by targeting this protein.

Protein structure could unlock new treatments for cystic fibrosis

The structure of chloride channel TMEM16A has been determined, revealing a unique activation mechanism that could restore hydration of the mucus layer in cystic fibrosis patients. Researchers believe that activating this channel could compensate for the defect in chloride ion secretion, paving the way for novel therapies.

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 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.

North America's freshwater lakes are getting saltier

A study of 371 lakes found that proximity to roads and road salt predicts escalating salinization in North American freshwater lakes. Chloride trends were analyzed, revealing that 70% of lakes with high impervious land cover had increasing chloride concentrations, putting 7,770 lakes at risk of rising salinity.

Researchers obtain Bose-Einstein condensate with nickel chloride

The creation of a Bose-Einstein condensate in nickel chloride enables the calculation of macroscopic properties, such as magnetic moments, by treating atoms as waves. This breakthrough uses a single wave function to describe the behavior of a large group of atoms.

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.

How plants can grow on salt-affected soils

Researchers study how plants distinguish between essential nitrate and harmful chloride ions, finding a functional complex of two anion channels SLAH1 and SLAH3. This discovery could lead to optimizing crop salt tolerance in the future.

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.

Research findings reveal potential to reverse cancer-related nerve pain

A study by researchers at the University of Texas M. D. Anderson Cancer Center found that gene therapy may be able to reverse cancer-related nerve pain. The treatment, which involves transferring a gene called KCC2 into the spinal canal, restored chloride levels and eliminated pain hypersensitivity in rats.

Gene therapy: A promising candidate for cystic fibrosis treatment

Researchers have made encouraging results using gene therapy to treat cystic fibrosis by inserting a healthy copy of the CFTR gene into affected cells. The approach restored chloride and fluid transport in both mouse models and human-derived cell cultures, suggesting a potential cure for the genetic disorder.

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.