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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

New role for cyanide in early Earth and search for extraterrestrial life

Chemists at Scripps Research have found that cyanide can drive metabolic reactions to create carbon-based compounds from carbon dioxide, expanding our understanding of the origins of life on Earth and its potential for existing elsewhere. This discovery opens up new avenues for searching for extraterrestrial life.

New lightweight material is stronger than steel

Researchers at MIT have developed a new material that is stronger than steel and as light as plastic, with potential applications in car parts, cell phones, bridges, and other structures. The material, called polyaramide, self-assembles into sheets and has unique properties, including high elastic modulus and impermeability to gases.

Apple iPhone 17 Pro

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

Study: 'Photosynthetic' algae can survive the dark

Researchers at Bigelow Laboratory found that some coccolithophore species can use organic compounds as carbon sources, allowing them to thrive in dark conditions. This discovery has significant implications for understanding global ocean processes and the role of algae in the carbon cycle.

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.

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.

‘Nanojars’ capture dissolved carbon dioxide, toxic ions from water

Researchers have developed tiny 'nanojars' that can split bicarbonate into carbonate and capture it, as well as certain toxic anions, making them suitable for recycling. The nanojars are made up of multiple repeating units of a copper ion and a pyrazole group, and can selectively bind to specific ions.

Survival strategy of starving spruces trees: The critical role of reserves

Trees continue to form reserves even during long periods of starvation, contrary to the assumption that they only form when photosynthetic conditions are favorable. As CO2 starvation progresses, trees stabilize their reserve levels and divert resources to storage, allowing them to survive climate extremes.

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.

Activation of carbon-fluorine bonds via cooperation of a photocatalyst and tin

Researchers from Osaka University have successfully developed an organic reaction that selectively converts a specific carbon-fluorine bond in perfluorinated compounds to other functional groups. This breakthrough enables the synthesis of high-value fluorine-containing drugs, addressing a significant challenge in pharmaceutical applica...

Diamonds need voltage

Researchers have found that tiny diamonds can form in the presence of small electric fields, which play a central role in their creation. The experiments conducted by the Russian research team showed that applying less than one volt triggers a chemical transformation process, resulting in pure carbon in the form of diamond.

Carbon dioxide converted to ethylene -- the 'rice of the industry'

A Korean research team has made a breakthrough in understanding the electrochemical conversion of CO2 to ethylene, a challenging process that could produce high-value-added chemicals. The study identified key intermediates and proposed copper hydroxide nanowire as a promising catalyst for enhancing selectivity.

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.

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.

Selective conversion of reactive lithium compounds made possible

Researchers at Ruhr-University Bochum have developed a new phosphine-palladium catalyst that selectively converts organolithium compounds into desired products, reducing unwanted side reactions. The catalyst's high activity and selectivity enable industrial-scale production of pharmaceuticals, chemicals for agriculture, and other fine ...

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Chemists discover unexpected enzyme structure

Researchers at MIT have discovered a unique aspect of the enzyme carbon monoxide dehydrogenase, which converts carbon dioxide to carbon monoxide. The C-cluster's structure can change its configuration in response to oxygen exposure, providing a safety net for the metal atoms.

Core electron topologies in chemical bonding

A new benchmark quantum chemical calculation reveals a qualitative difference in the topologies of core electron orbitals between organic molecules and their silicon analogues. This discovery suggests that core electrons play a more significant role than previously thought, particularly in unsaturated compounds.

New record set for carbon-carbon single bond length

Researchers at Hokkaido University have synthesized an organic compound with a record-long C-C bond of 1.806 angstroms, surpassing previously reported world records. The novel polycyclic hydrocarbon named 10c is stable and exhibits unique properties due to its extended C-C bond length.

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.

Rapid synthesis towards optically active α-aminocarbonyl therapeutics

A team of organic chemists developed a new reaction to directly install amines into carbonyl compounds, resulting in the rapid formation of optically active α-aminocarbonyls. This method enables access to chiral α-aminocarbonyls from readily available carbonyl compounds and hydroxylamines.

A breakthrough for organic reactions in water

Researchers at McGill University have discovered a catalytic system that enables direct metal-mediated reactions between aryl halides and carbonyl compounds in water. This breakthrough could streamline synthetic sequences and make chemical products safer and more efficient.

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.

Building new drugs just got easier

Scientists at Scripps Research Institute developed a method to modify organic molecules, expanding possibilities for new pharmaceuticals and improving old ones. The innovation makes it easier to attach biologically active functional groups to drug molecules.

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.

Edible carbon dioxide sponge

Researchers at Northwestern University have discovered edible compounds that efficiently detect, capture and store carbon dioxide. The porous crystals, made from sugar, salt and alcohol, are simple to prepare and turn red when full of CO2.

Purdue, NASA research provides blueprint for molecular basis of global warming

Researchers at Purdue University and NASA found that compounds containing fluorine atoms are more efficient at blocking radiation, contributing to global warming. These compounds, such as chlorofluorocarbons, hydrofluorocarbons, and sulfur and nitrogen fluorides, have the potential to quickly slam the atmospheric window shut, unlike ca...

Celestron NexStar 8SE Computerized Telescope

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

Snatched from the air

Researchers have created a novel reaction scheme to efficiently convert carbon dioxide into methanol with minimal energy input. The method utilizes an N-heterocyclic carbene catalyst and silane as the reducing agent, enabling the use of air-borne CO2 as a renewable resource.

Building blocks of life formed on Mars

A Carnegie Institution-led team finds organic compounds containing carbon and hydrogen in Martian meteorite Allan Hills 84001, suggesting that building blocks of life formed on Mars early in its history. The discovery was made by analyzing the rock's association with iron oxide mineral magnetite.

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.

Research to spotlight carbon monoxide benefits

Scientists at the University of York are investigating the potential uses of carbon monoxide in treating disease, particularly high blood pressure, heart disease, and cancer. The three-year study aims to develop molecules that release carbon monoxide slowly and tuneably for bioapplications.

Designing a better catalyst for 'artificial photosynthesis'

Researchers at Brookhaven National Laboratory have discovered an important intermediate step in the artificial photosynthesis process using robust transition metal complexes like rhenium. By studying these reactions over short and long timescales, they found that two energetic metal complexes are involved in activating one CO2 molecule.

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.

Well preserved meteorite yields clues to carbon evolution in space

A team of researchers analyzed a rare, well-preserved meteorite found in Canada, revealing organic compounds with similarities to other known carbonaceous chondrites. The study suggests that the Tagish Lake Meteorite may represent an early stage in the evolution of complex carbon compounds in space.