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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

Renaissance of the iron-air battery

Researchers at Forschungszentrum Jülich observe deposits forming on iron electrodes during operation, revealing a key to improving battery performance. The findings enhance energy density and capacity, paving the way for widespread adoption in mobile applications.

Pulling iron out of waste printer toner

A team of researchers has created a process to transform residual toner powder from discarded printer cartridges into iron, offering an environmentally friendly way to reuse electronic waste. The method involves heating the toner powder to 1550 °C, resulting in a product with 98% pure iron.

Apple iPhone 17 Pro

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

When water met iron deep inside the Earth, did it create conditions for life?

Reservoirs of oxygen-rich iron between the Earth's core and mantle may have played a major role in shaping our planet's history. The discovery suggests that massive iron dioxide rocks could be generated annually above the core, releasing oxygen into the atmosphere, potentially triggering the Great Oxygenation Event.

Taking a tip from mussels to make materials both strong and flexible

Researchers created a polymer-based material with enhanced strength and elasticity by mimicking a mussel's adhesive qualities. The material, which is 770 times stiffer and 92 times tougher than its untreated precursor, offers potential applications in structural, biomedical, and aerospace materials.

Predictions by GSI scientists now confirmed

Researchers detect electromagnetic waves from neutron star merger, confirming predictions of heavy element production. The event is a milestone in understanding astrophysical processes and requires precise nuclear data to be fully understood.

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.

Role of microorganisms in the formation of unique iron ore caves

Researchers at University of Akron investigate high microbial communities in BIF caves, theorizing microbes use iron to respire and cause rust-like oxides to become soluble. This process could be responsible for voids forming within the cave walls, eventually leading to new cave formation.

Hints from hemoglobin lead to better carbon monoxide storage

Researchers have created a new material that can absorb carbon monoxide more effectively than other materials, with potential applications in syngas production and reactions where CO is an unwanted contaminant. The material uses less energy to capture and reuse CO compared to existing technologies.

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.

New study shows that Americans are not eating much bread

A new study published in the journal Nutrients shows that despite popular belief, Americans consume very little bread, with only less than 15% of total calories coming from grain foods. However, this small amount of grain food provides a disproportionately positive amount of critical nutrients, including dietary fiber, folate, and iron.

Multi-nutrient rice against malnutrition

Researchers have successfully created a multi-nutrient rice variety that produces iron, zinc, and beta-carotene, addressing micronutrient deficiencies. The new rice lines could provide a solution to hidden hunger in Asia and Africa if they are widely adopted.

New MRI contrast agent tested on big animals

Researchers developed a new non-toxic contrast agent for magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA), surpassing gadolinium's limitations. The agent, PEG-IONCs, demonstrated high biocompatibility in rabbits, beagle dogs, and macaque monkeys, showing promise as a next-generation diagnostic tool.

Meta Quest 3 512GB

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

Scientists shed light on carbon's descent into the deep Earth

Researchers studied iron carbonate under extreme conditions to understand the deep Earth's carbon cycle and its role in global warming. They found unprecedented structural stability of a tetracarbonate phase at high pressures, suggesting self-oxidation-reduction reactions can preserve carbonates in the lower mantle.

Nickel is crucial for the Earth's magnetic field

Researchers found that nickel is essential for creating the geodynamo effect that generates the Earth's magnetic field. Without nickel, convection currents cannot form, leading to a magnetic field. The study used advanced computer simulations to analyze the behavior of metals in the Earth's core.

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.

Quantum mechanics inside Earth's core

Researchers found that nickel exhibits a distinct anomaly at high temperatures, which may explain the origin of Earth's magnetic field. This discovery challenges conventional theories and provides new insights into the planet's core.

Treating nutritional iron-deficiency anemia in children

Researchers found that ferrous sulfate increased hemoglobin concentration more than iron polysaccharide complex, and had a higher complete resolution of IDA. The study suggests once daily low-dose ferrous sulfate as a treatment option for children with nutritional iron-deficiency anemia.

Nikon Monarch 5 8x42 Binoculars

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Cells pumping iron to prevent anemia

Researchers at Kyoto University identified a key gene that regulates iron uptake, revealing a functional defect in the duodenum and potentially leading to new treatment methods for anemia. The study found that Regnase-1 degrades iron-controlling genes, such as TfR1, which can help prevent debilitating disorders like hemochromatosis.

Helping plants pump iron

A recent study at Salk Institute found that genetic variants of a single gene, FRO2, play a crucial role in determining a plant's ability to grow and stay healthy in environments with limited iron. The research has the potential to improve crop yields and increase dietary sources of iron for animals and humans.

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.

Magnetic order in a two-dimensional molecular chessboard

In a breakthrough study, Uppsala researchers demonstrate magnetic order in a two-dimensional molecular chessboard lattice consisting of organometallic molecules. The researchers created long-range magnetic order at low temperatures through the transmission of Ruderman-Kittel-Kasuya-Yosida (RKKY) interactions and Kondo screening.

Iron deficiency restrains marine microbes

Marine microorganisms rely on iron to recycle dead matter and release nutrients such as phosphorus. This process is crucial in the tropical North Atlantic, where nitrogen limitation may be replaced by phosphorus limitation, influenced by human activities.

Compound corrects iron-delivery defects

Researchers discovered Hinokitiol's ability to transport iron across cell membranes, correcting anemia caused by genetic deficiencies. The compound also promotes iron gut absorption and hemoglobin creation, suggesting its potential for treating human diseases.

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.

'Molecular prosthetics' can replace missing proteins to treat disease

Scientists at the University of Illinois have discovered a small molecule called hinokitiol that can transport iron in human cells and animals when proteins are missing. This breakthrough could potentially treat diseases such as anemia, cystic fibrosis, and certain types of heart disease.

A novel form of iron for fortification of foods

A novel form of iron, combining protein fibers and iron nanoparticles, has been discovered to fortify food and drinks with iron. This new compound has been shown to cure iron deficiency in rats and is easily digested.

A rusty green early ocean?

Researchers suggest ancient ocean had green rusty mineral, green rust, which could have delivered substantial proportion of iron to early ocean sediments. Green rust forms under low oxygen conditions and can transform into iron oxides over time.

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.

Rock exposed in World War I trenches offers new fossil find

A 425-million-year-old fossil find from the Austrian Alps reveals juvenile crinoids were carried by objects floating in ancient oceans. The discovery sheds light on the behavior of early sea lilies, suggesting they spent part of their youth drifting across vast distances.

Modern alchemy creates luminescent iron molecules

A team of scientists from Lund University has successfully created an iron-based molecule capable of emitting light. The breakthrough could lead to the development of sustainable and environmentally friendly materials for solar cells, lighting, and displays.

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.

Discovery may help patients beat deadly pneumonia

Researchers have found that a hormone called hepcidin helps fight off bacterial pneumonia by limiting the spread of bacteria in the blood. Stimulating hepcidin production could be lifesaving for vulnerable patients, including those with iron overload or liver disease.

Research proposes new theories about nature of Earth's iron

The study suggests that Earth's unique iron isotopic signature may have developed later in its history, possibly due to a collision with another planetary body or churning of the mantle. Researchers recreated high-pressure conditions using a diamond anvil cell and found contradictory results.

Imaging the inner workings of a sodium-metal sulfide battery for first time

Researchers used a full-field transmission x-ray microscope to capture the structural and chemical evolution of a sodium-metal sulfide battery during its electrochemical reactions. The study reveals significant fractures and cracks in the material after the first cycle, leading to irreversibility and degraded performance.

Iron dissolved by air pollution may increase ocean potential to trap carbon

A new study suggests that air pollution can dissolve iron particles in airborne particles, increasing the amount of greenhouse gases that the world's oceans can absorb. Scientists have found thick sulphate coatings containing soluble iron on iron-rich particles from steel manufacturing and coal burning in the East China Sea.

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.

Cocaine addiction leads to build-up of iron in brain

A new study found that cocaine addiction disrupts iron regulation in the body, leading to a build-up of iron in the brain. This accumulation is directly linked to the duration of cocaine use and may be accompanied by mild iron deficiency elsewhere in the body.

Experiments call origin of Earth's iron into question

A team of researchers has found that the Earth's iron composition is not linked to its core formation, sparking alternative theories on why our planet has higher levels of heavy iron isotopes. The study suggests light iron isotopes may have been vaporized into space or incorporated into rock through slow mantle churning.

A new contrast agent for MRI

Researchers have developed new iron oxide nanoparticles with zwitterion coating that can produce similar MRI contrast to gadolinium-based agents without the risk of adverse effects. The particles are water-soluble, compact and biocompatible, making them a potential safer substitute for current contrast agents.

Pure iron grains are rare in the universe

New research suggests that pure iron grains are extremely rare in the universe, contrary to previously thought, and may be forming invisible metal particles. A study published in Science Advances used a rocket-based experiment to simulate the formation of pure iron grains in space, revealing grain formation is highly unlikely.

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.

Salicylic acid promotes nasal mucosa colonization

Regular consumption of salicylic acid can promote and prolong bacterial colonization by depriving the body of iron, which is essential for bacterial growth. This study found that increased biofilm formation allows bacteria to survive longer under unfavorable conditions.

A closer look at what caused the Flint water crisis

Researchers analyzed galvanized iron pipes from Flint, Michigan's 'ground zero' house and found that high lead concentrations correlated with cadmium, zinc, and tin levels. The study suggests that corrosion inhibitors were necessary to prevent lead contamination, highlighting the need for long-term pipe replacement.

Scientists develop first catalysed reaction using iron salts

Researchers at the University of Huddersfield have developed an efficient iron-catalysed C-C bond-forming spirocyclization cascade, providing access to new 3D heterocyclic frameworks. This breakthrough could lead to huge economic gains in pharmaceuticals and agrichemicals.

Iron-fortified nutrition bars combat anemia in India

Researchers at Duke University developed iron-fortified nutrition bars that effectively combat anemia in Indian women, offering a practical and well-tolerated solution. The study involved 179 participants who received the supplement bar for 90 days, resulting in increased hemoglobin and hematocrit levels.

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.

Delayed clamping prevents anemia

A new study from Uppsala University found that delaying umbilical cord clamping by more than three minutes can prevent iron deficiency and anemia in infants up to six months of age. This method resulted in a nine percent reduction in anaemia incidence at eight months and an eight percent decrease at twelve months.

What makes erionite carcinogenic?

New research suggests that erionite's carcinogenic effect may be caused by its fibrous structure, rather than iron present in accompanying minerals. The mineralogists' findings raise questions about the role of ferrous particles in erionite's toxicity.

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.

Anemia protects African children against malaria

Researchers found that iron deficiency anemia reduces the risk of malaria by 16% in African children, compared to sickle-cell trait, which only reduces it by 4%. Iron supplementation reverses this protection, increasing the risk of P. falciparum malaria.