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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

Chemists offer new hydrogen purification method

Researchers have created a new class of porous materials that effectively separate hydrogen from complex gas mixtures. The materials exhibit superior performance in separating hydrogen from carbon dioxide and methane, increasing the efficiency of producing pure hydrogen.

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Scientists find new way to produce hydrogen

Researchers at Penn State University have discovered a way to produce hydrogen by exposing aluminum clusters to water, leveraging their unique geometric structures. The process enables the production of hydrogen gas without heat or energy input, opening up new possibilities for clean energy applications.

Our microbes, ourselves

Researchers found significant differences in microbial composition among obese patients, gastric bypass surgery subjects, and normal-weight individuals. The study suggests that the gut microbiome plays a key role in energy harvesting, making people more susceptible to obesity.

More flexible method floated to produce biofuels, electricity

Researchers at Purdue University propose a flexible approach to producing alternative fuels, hydrogen, and electricity from waste materials. The new process could supply up to 20% of transportation fuels in the US annually, reducing greenhouse gas emissions by over 50%.

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Scientists grow 'nanonets' able to snare added energy transfer

Researchers have grown nanonets, a flexible webbing of nano-scale wires, using titanium disilicide to improve material performance. The nanonets multiply surface area, enhancing the material's ability to conduct electricity and potentially leading to breakthroughs in electronics and energy-harvesting applications.

Closing the hydrogen economic loop

Ovshinsky explains that we have the means to produce hydrogen from renewable resources in a sustainable way and store it effectively. This technology enables the entire loop of hydrogen generation, storage, and use to be carried out now.

Researchers generate hydrogen without the carbon footprint

Scientists have developed a new method to produce hydrogen from water and solar energy, reducing the carbon footprint of traditional production methods. The process uses nanotube diodes that can harness the entire spectrum of sunlight, producing hydrogen and oxygen.

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A promising step towards more effective hydrogen storage

A team of international researchers led by Professor Rajeev Ahuja has discovered an atomic-level mechanism for releasing hydrogen from magnesium nanoparticles, which could lead to more efficient hydrogen storage. The finding opens up new possibilities for fuel cells using hydrogen as a clean and environmentally friendly energy source.

Are microbes the answer to the energy crisis?

Researchers are discovering microbes that can efficiently produce inexpensive, environmentally friendly biofuels as alternatives to oil. These microorganisms can ferment biomass into ethanol and biodiesel, reducing our reliance on fossil fuels and mitigating climate change.

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Algae could one day be major hydrogen fuel source

Scientists at Argonne National Laboratory are exploring the use of algae to produce hydrogen gas through photosynthesis. This method could potentially create a large amount of hydrogen gas comparable to oxygen production, with benefits including reduced competition for food resources and easier harvesting.

Sewer-gas-induced suspended animation is rapid and reversible

Researchers at Massachusetts General Hospital found that low doses of hydrogen sulfide can safely depress metabolism and cardiovascular function in mice, producing a suspended-animation-like state. The effects are reversible and do not depend on reduced body temperature.

New aluminum-rich alloy produces hydrogen on-demand for large-scale uses

A new aluminum-rich alloy developed by Purdue University engineers can produce hydrogen on-demand for vehicles, power generation, and other applications, reducing costs and environmental impact. The technology is made possible by the controlled microscopic structure of the solid aluminum and gallium-indium-tin alloy mixture.

Solar cell directly splits water for hydrogen

Researchers at Penn State have developed a proof-of-concept device that can split water and produce recoverable hydrogen using sunlight. The system, which uses a catalyst complex to mimic natural photosynthesis, achieves an efficiency of about 0.3 percent but holds promise for future improvements.

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Project focuses on production of hydrogen from bacteria and sunlight

Researchers at Arizona State University aim to create an environmentally friendly energy source by harnessing the power of sunlight and bacteria to produce hydrogen. The project uses microbial photosynthesis to generate hydrogen, which can be converted into a clean fuel without releasing CO2 into the atmosphere.

Argonne breakthrough may revolutionize ethylene production

Scientists at Argonne National Laboratory have developed an environmentally friendly technology to produce ethylene from ethane streams by removing pure hydrogen, significantly reducing greenhouse gas emissions. The new membrane reactor enables the reaction to feed itself, making it a clean and energy-efficient way of producing ethylene.

Experiments reveal unexpected activity of fuel cell catalysts

Researchers at Brookhaven National Laboratory discovered that gold-cerium oxide and gold-titanium oxide nanocatalysts exhibit high activity in the water-gas shift reaction. The catalysts' oxides break apart water molecules, enabling the elimination of carbon monoxide and improving fuel cell efficiency.

Generating hydrogen from biodiesel waste

A new method to convert low-value glycerol from biodiesel production into a hydrogen-rich gas offers a promising solution for the transportation sector. The process, developed by Dr. Valerie Dupont and her team at the University of Leeds, produces a high-value product in demand for fertilisers, food production, and chemical plants.

Penn State leads DOE consortium on hydrogen energy research

Researchers at Penn State are investigating thermochemical hydrogen production using advanced nuclear energy systems to reduce greenhouse gas emissions and increase energy independence. The three-year, $2.4 million program aims to develop efficient technologies for hydrogen production compatible with nuclear-generated heat sources.

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Microbes churn out hydrogen at record rate

Researchers have developed a new method for bacterial hydrogen production, achieving high yields and efficiency. The process uses microbes to extract energy from organic matter, producing clean hydrogen gas with an overall efficiency better than 80 percent.

Clean, carbon-neutral hydrogen on the horizon

Researchers at Penn State have developed a method to convert cellulose and other biodegradable organic materials into hydrogen using microbial fuel cells. This process produces 288% more energy in hydrogen than the electrical energy added to it, making it a promising alternative to traditional methods.

Garlic boosts hydrogen sulfide to relax arteries

A new study from the University of Alabama at Birmingham found that garlic compounds can liberate hydrogen sulfide in red blood cells, leading to vessel relaxation. This effect is believed to be behind the protective effects of garlic on cardiovascular health.

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Engineers perfecting hydrogen-generating technology

The technology produces hydrogen by adding water to an alloy of aluminum and gallium, with the gallium component hindering the formation of an oxide skin that prevents oxygen from reacting with aluminum. This allows for the reaction to continue until all the aluminum is used to generate hydrogen on demand.

New catalysts may create more, cheaper hydrogen

Researchers at Argonne National Laboratory have developed new single-site catalysts that can increase hydrogen production at lower temperatures, potentially reducing costs. These catalysts offer improved thermal stability and protection from sulfur species, which are common byproducts in fuel reforming.

Better chemistry through living models

Scientists at PNNL will receive $1.98 million to study enzymes that convert chemicals to energy, potentially leading to new, affordable materials for hydrogen fuel cells. The goal is to replace expensive platinum with abundant, inexpensive metals like iron and molybdenum.

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Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Renewable hydrogen energy -- an answer to the energy crisis

A new £4.2 million research project at Imperial College London aims to develop renewable and cost-effective methods of producing hydrogen for fuel cells. The project will explore both biological and chemical solar-driven processes to achieve this goal.

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New 'biofuel cell' produces electricity from hydrogen in plain air

A pioneering biofuel cell has been developed that can generate electricity from low levels of hydrogen in air, offering an inexpensive and renewable alternative to platinum-based fuel cells. The cell uses enzymes from naturally occurring bacteria and can power electronic devices with minimal power requirements.

University of Nevada professor demonstrates new hydrogen fuel system

Researchers at the University of Nevada, Reno have developed a new hydrogen material with over a billion nanotubes that can produce hydrogen from water. The system uses photoactive material from the sun to generate hydrogen, promising a cleaner and more cost-effective energy source.

Russian capabilities benefit the hydrogen economy

A new partnership between a Russian Institute and a US firm has led to the development of improved hydrogen gas sensors with increased reliability and response time. This technology is expected to enhance safety, detection capability, and efficiency in various industrial applications.

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TU Delft and Shell jointly invest in sustainable mobility

A four-year, €4 million joint research programme between TU Delft and Shell aims to develop new technologies for sustainable mobility. The programme will focus on hydrogen production, traffic regulation models, Li-ion battery improvements, solar energy conversion, and methane extraction.

Using microbes to fuel the US hydrogen economy

Researchers have found that Thermatoga neapolitana bacteria can produce hydrogen efficiently in a moderately low-oxygen environment. This breakthrough could enable the large-scale production of hydrogen from agricultural resources, paving the way for a clean energy future.

Corn waste potentially more than ethanol

A Penn State researcher has developed a process that converts organic matter in corn waste into electricity, with a conversion rate of over 93 percent. This technology could provide a new, sustainable source of energy, reducing reliance on ethanol and other fossil fuels.

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Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Diamond by-product of hydrogen production and storage method

Lueking's group inadvertently stumbled upon a method that combines hydrogen production and storage, producing nanocrystalline diamonds as a by-product. The researchers used ball milling to mix anthracite coal with cyclohexene, resulting in the formation of Bucky diamonds.

High-tech sieve sifts for hydrogen

Engineers have developed a simpler and safer material that can separate hydrogen from impurities more efficiently than existing methods. The new material, similar to membranes in biomedical devices, has applications for isolating hydrogen and natural gas.

Fuel cells might get hydrogen from water, organic material

Purdue University researchers have discovered a catalyst that can produce hydrogen without extreme cold temperatures or high pressures. This method could offer solutions to fuel cell development, potentially replacing fossil fuels in automobiles.

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'Apollo Program' for hydrogen energy needed, Stanford researcher says

A study by Stanford researchers suggests that converting to hydrogen fuel cell vehicles powered by wind could prevent millions of cases of respiratory illness and tens of thousands of hospitalizations. The conversion could be done at a comparable cost to gasoline, with potential health benefits outweighing the costs.

Waste not, want not

A team of researchers from Penn State University has developed a bacteria-driven cell that produces hydrogen for fuel while simultaneously cleaning wastewater. The innovation utilizes a microbial fuel cell to harness the power of microorganisms to generate electricity and purify water.

Microbial fuel cell: High yield hydrogen source and wastewater cleaner

A new microbial fuel cell process can produce high yields of hydrogen from biodegradable organic matter in wastewater. This technology uses a small amount of electricity to boost bacterial fermentation, overcoming the 'fermentation barrier' and producing clean hydrogen gas while simultaneously cleaning the wastewater.

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Clemson research could help turn hydrogen hype into 'hy'ways

Clemson University has received a $856,000 grant to develop more efficient methods for producing hydrogen. The team proposes thermochemical processes that require heat and complex chemical reactions to split water into its two elements, hydrogen and oxygen. These processes could potentially replace the classic electrolysis method, whic...

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Oxygen sponge saves energy during the production of plastics

Researchers found a way to convert hydrogen into water using an oxygen sponge, allowing the reaction to continue until most of the starting materials are used up. This new process reduces the amount of energy needed for separation and makes the product less contaminated.

Following nature's lead, scientists seek better catalysts

Researchers isolated a highly reactive iron-sulfur complex from a bacterium, which outperforms current industrial catalysts in reactivity. The discovery could lead to the development of new, more efficient chemical processes and materials.

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AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

'Flower power' cars could be in your future

Researchers have developed a new hydrogen generator that uses sunflower oil, air, and water vapor to produce hydrogen intermittently. The process reduces dependence on foreign oil and generates fewer pollutants than traditional methods.