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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

Breakthrough in converting CO2 into fuel using solar energy

Researchers at Lund University have developed a way to convert carbon dioxide into fuel using solar energy, creating a potential solution for reducing greenhouse gas emissions. The process uses advanced materials and ultra-fast laser spectroscopy, allowing for the conversion of CO2 to carbon monoxide.

Rare earth elements await in waste

Rice University scientists have developed a method to extract rare earth elements from fly ash, bauxite residue, and electronic waste using flash Joule heating. This process improves yields and reduces the use of strong acids, making it a more sustainable solution for recycling these materials.

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Remote sensing technology reduces urban air pollution

A new study found that Hong Kong's remote sensing enforcement program significantly reduced harmful chemicals at the roadside and in the atmosphere. The program led to a 22-39% reduction in total hydrocarbons, carbon monoxide, and nitric oxide emissions from high-emitting vehicles.

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Machine learning fine-tunes flash graphene

Rice University scientists employ machine-learning techniques to streamline the process of synthesizing graphene from waste through flash Joule heating. The lab used its custom optimization model to improve graphene crystallization from four starting materials over 173 trials.

University of Delaware professors elected AAAS Fellows

University of Delaware professors Wei-Jun Cai and David Kirchman have been named AAAS Fellows for their important contributions to STEM fields. Cai was recognized for his work on the global carbon cycle and ocean acidification, while Kirchman was honored for his research on marine biosciences and microbial ecology.

Overcoming a bottleneck in carbon dioxide conversion

A team of researchers at MIT has identified and modeled a major reason for poor performance in electrochemical carbon dioxide conversion systems, which is caused by a local depletion of CO2 gas near the electrodes. By pulsing the current off and on, they can replenish the gas levels, allowing the process to continue efficiently.

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.

Reshaping the plastic lifecycle into a circle

A new study led by the University of Pittsburgh reveals that 360 million metric tonnes of new plastic were produced in 2018, with only 9% being recycled. The research found that the greenhouse gas emissions associated with plastic production are staggering, accounting for 350 million metric tonnes of CO2 equivalent.

New technique improves conversion of carbon dioxide into liquid fuels

Researchers at Lawrence Berkeley National Laboratory have developed a new approach to modify the surface of copper catalysts, improving the conversion of carbon dioxide into useful fuels. The technique involves coating the copper with thin films of ionomers, which steer the reaction towards generating carbon-rich products.

Finding the missing piece in global oil life-cycle assessment

A new study by University of Pittsburgh researchers links econometric models with production profitability to predict the impact of demand shocks on carbon intensity. Small shocks are predicted to displace heavy crudes with higher carbon intensity, but the relation may be counterintuitive.

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Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Microorganisms produce elemental carbon

Researchers discovered that certain microorganisms can form elemental carbon without high temperatures and pressures, challenging current scientific understanding. The formation of this carbon is believed to be linked to the symbiotic relationship between archaea and their partners.

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Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

New theories and materials aid the transition to clean energy

Researchers at Arizona State University explore alternative approaches to catalysis, a chemical process crucial for industrial applications. The study aims to develop synthetic catalysts that can improve on nature's designs, leading to the production of carbon-neutral fuels.

New tool for energy sector models carbon capture incentives

A new model, developed by Carnegie Mellon University researchers, identifies coal- and natural gas-fired electricity generation plants suitable for carbon capture technologies. The tool takes into account various factors like plant age, efficiency, location, and technology to explore optimal CO2 reduction strategies at an affordable cost.

An X-ray view of carbon

A team of scientists has developed a new X-ray measurement method that can analyze the chemical properties of warm dense matter, a state found in planetary interiors. The method uses the strongest X-ray laser to probe carbon's bonding states, providing new insights into planetary formation and potential applications in materials science.

Simple method for converting carbon dioxide into useful compounds

Scientists at Kyoto University have created a simple method to convert CO2 into metal-organic frameworks (MOFs), offering a promising approach to dispose of the greenhouse gas. The new technique, which requires lower temperatures and pressures, demonstrates potential for widespread adoption and could help mitigate global warming.

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Carbon dioxide reactor makes Martian fuel

Engineers at the University of Cincinnati have developed a carbon dioxide reactor that can convert CO2 into methane, a potential fuel source for Mars. The process, known as the Sabatier reaction, could reduce fuel needs by half for astronauts returning to Earth, making it a promising solution for future Mars missions.

ALMA reveals carbon-rich, organic birth environments of planets

A study using ALMA revealed that protoplanetary disks around five young stars are factories of organic molecules, including nitriles implicated in the origins of life. The discovery provides insights into planetary system formation and whether these systems have what it takes to host life.

Efficiency leap in separating para-xylene using new carbon membranes

Researchers at Georgia Institute of Technology developed improved carbon membranes that can efficiently separate para-xylene from its siblings, reducing energy consumption by up to three times. The breakthrough could lower energy costs in producing commodity chemicals and fuels.

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

NTU Singapore scientists develop ‘greener’ way to make fertiliser

Researchers at Nanyang Technological University (NTU) Singapore have devised a new method for producing urea, a key compound in fertilisers, through electrocatalysis. This approach produces urea five times more efficiently than previous methods and has the potential to contribute to sustainable agricultural practices.

Rice expert: Using carbon is key to decarbonizing economy

Pasquali proposes splitting hydrocarbons to produce clean hydrogen energy and solid carbon materials, which could replace materials with large carbon footprints. This transition would generate robust growth in manufacturing jobs and improve production efficiency.

World’s first “green” synthesis of plastics from CO2

A team of researchers has successfully synthesized polycarbonate diols from carbon dioxide and diol at atmospheric pressure using a CeO2 catalyst. This process eliminates the need for dehydrating agents, producing only water as a by-product, making it an attractive alternative to existing methods.

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Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Artificial sweeteners enable delivery of carbon monoxide to treat organ injury

Researchers at Georgia State University have developed an oral prodrug that delivers carbon monoxide via artificial sweeteners, showing promise in treating acute kidney injury. The study demonstrates the protective effects of CO against organ damage and suggests potential applications for transplantation and other conditions.

Three grants for biofuels research

Researchers at UC Davis have received three ARPA-E grants totaling $4.5 million to improve biofuel production efficiency. The grants focus on using microbes, metal catalysts, and enzymes to minimize waste and carbon dioxide emissions.

Fluke 87V Industrial Digital Multimeter

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

2D materials offer unique stretching properties

Three carbon-based materials have been predicted to exhibit omnidirectional auxetic behavior due to their negative Poisson's ratio. The findings suggest that these materials could be useful in photovoltaic devices or as light-powered catalysts.

Reading between the diamonds

Researchers used lab tools to mimic extreme conditions, redefining the conditions under which carbonates can exist in the Earth's lower mantle. The study expands our understanding of the deep carbon cycle and the Earth's evolution.

Better batteries start with basics -- and a big computer

Researchers used quantum simulations to understand glycerol carbonate, a compound that could improve lithium-ion battery efficiency and reduce environmental impact. The study revealed new details about hydrogen bonding and its effects on solvent properties.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Drones used to locate dangerous, unplugged oil wells

Using drones equipped with magnetometers, researchers can detect magnetic anomalies and pinpoint the location of unplugged oil wells. By locating these wells, the equivalent of nearly 750,000 metric tons of carbon dioxide could be removed from the atmosphere.

A controllable membrane to pull carbon dioxide out of exhaust streams

A team of MIT chemical engineers has developed a system to continuously remove carbon dioxide from waste gases using an electrochemically assisted membrane. The membrane's permeability can be switched on and off at will, allowing for continuous operation without moving parts or wasted space.

Advancing carbon dioxide catalysis

Feng Jiao, a renowned chemical engineering expert, is leading research on transforming carbon dioxide into valuable chemicals using catalysis. His projects aim to produce formic acid and ethylene from CO2 without purification, with the goal of commercializing this technology.

Cascades with carbon dioxide

Researchers develop a conceptually new process to produce cyclic carbonates from CO2 and basic building blocks, offering potential for biodegradable plastics and pharmaceutical intermediates. The process yields six-membered rings with great potential for creating new CO2-based polycarbonates.

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Turning carbon dioxide into liquid fuel

A team led by Argonne National Laboratory has discovered a new electrocatalyst that converts carbon dioxide (CO2) and water into ethanol with very high energy efficiency, selectivity for the desired final product, and low cost. This process could contribute to the circular carbon economy by reusing CO2 from industrial processes.

Study: Dying stars breathe life into Earth

A new study published in Nature Astronomy sheds light on the origin of carbon in the Milky Way, revealing that dying stars play a crucial role in its synthesis. The research team found that low-mass stars shed more massive remnants than previously thought, breaking a linear trend in star formation and planetary evolution.

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Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Breaking the limit

Scientists have synthesized brand-new transition metal carbonyl complexes, including Ta2(CO)12 and M(CO)7+, which transcend new chemical frontiers. These substances go beyond current compound limits, offering new possibilities for practical use and basic science research.

Building a circular chemical economy

McKone's project aims to convert carbon dioxide into useful fuels and chemicals, addressing the environmental impact of excess CO2. He is developing new catalysts and reactors to mimic biological enzymes and improve efficiency.

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.

Scientists finally crack nature's most common chemical bond

UC Berkeley researchers develop a new catalyst to add functional groups to the strongest carbon-hydrogen bonds, opening doors to novel molecule synthesis. The breakthrough could lead to rapid production of complex structures for drugs, plastics, and other chemicals.

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.

A possible end to 'forever' chemicals

Excess electrons can shatter carbon-fluorine bonds in PFAS, breaking them down into by-products that may accelerate the process. The discovery offers a potential method to tackle widespread contamination of water supplies across America.

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.

Looking at tropical forests through new eyes

A University of Arizona-led team used air-based maps of plant chemistry to better understand tropical forest responses to climate change. By combining traditional on-the-ground measurements with aerial data, researchers improved carbon cycling models and gained insights into the role of forests in the global carbon cycle.

The good side of carbon monoxide

At low concentrations, carbon monoxide has a beneficial effect by interacting with signaling proteins, suppressing inflammation and protecting tissues from oxidative stress. Researchers are exploring safe and effective delivery methods to harness its therapeutic potential for diseases such as sepsis and cancer.