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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

Housing type linked to cardiovascular death risk in older adults in Japan

A 6-year cohort study found that people living in rental flats and owner-occupied detached houses face higher risks of cardiovascular death compared to those in owner-occupied flats. Improving housing quality to address colder indoor temperatures could lower cardiovascular mortality, particularly among men.

Supercritical fluids once thought uniform found to contain liquid clusters

Researchers at Pohang University of Science & Technology experimentally demonstrated the existence of nanometer-sized liquid clusters in supercritical fluids, overturning the prevailing notion of a single phase. These clusters persisted for up to an hour and have significant implications for industrial processes and natural environments.

How secure is our energy supply?

The researchers developed a five-level pyramid model to assess energy supply security, taking into account dynamic effects and higher resolution. Switzerland can increase its energy security by diversifying its energy sources and increasing domestic production, with additional storage facilities also contributing.

How to manage cybersecurity risks in the energy sector?

A new handbook from the University of Vaasa provides a comprehensive toolkit for policymakers, energy companies, and cybersecurity professionals to improve cyber resilience. The handbook emphasizes socio-cyber-physical risk management, education, awareness, cooperation, and strategic investments to reduce threats in the energy sector.

Apple iPhone 17 Pro

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

Quantum cooling engine fueled by quantum measurements

Researchers developed a quantum cooling engine that manipulates energy flow without feedback control, relying solely on quantum measurements. The engine successfully reversed heat flow, with entanglement found to influence the energy exchange between the working substance and measurement apparatus.

Eddy-mean flow energy exchange depends on three variables

Researchers found that the eddy-mean kinetic energy exchange term is separated into three parts: one associated with cross-stream variation, one with along-stream variation, and one with mean flow direction. This new framework describes eddy-mean energy exchange without accounting for forces or physical properties.

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.

Graphite production gets a makeover

Researchers at Texas A&M University have developed a new catalytic graphitization technology to convert petroleum coke into graphite, reducing emissions and cost associated with conventional synthetic graphite production. The process uses lower temperatures and shorter times, making it more sustainable and efficient.

Celestron NexStar 8SE Computerized Telescope

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

Predicting the sustainability of a future hydrogen economy

A new study analyzes challenges in sustainably meeting different hydrogen demand scenarios on a country-by-country basis. The research finds that less than half of projected 2050 demand for hydrogen fuel could be produced locally using wind or solar power due to land and water scarcity.

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.

Revolutionizing optical control with topological edge states

Researchers have developed an innovative approach to efficiently manipulate topological edge states for optical channel switching. By exploiting the finite-size effect in a two-unit-cell optical lattice, they achieved dynamic control over topological modes and demonstrated robust device performance.

Vegetation regulates energy exchange in the arctic

A study led by the University of Zurich found that diverse Arctic vegetation affects the land surface energy budget. The researchers linked vegetation types to energy exchange data from 64 measuring stations, revealing a significant difference in heat flux between various vegetation types and glaciers/grasslands.

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.

Neutrino factories in deep outer space

An international research team has shed light on the origin of neutrinos, shedding new evidence that blazars can be confidently associated with astrophysical neutrinos. The study utilizes neutrino data from the IceCube Neutrino Observatory and BZCat catalogue to establish a connection between high-energy neutrinos and galactic nuclei.

Researchers show dynamic soaring isn’t just for albatrosses

A new study reveals that Manx shearwaters use dynamic soaring to harvest wind energy and travel efficiently across the ocean. The birds' ability to adapt their flight patterns to optimize energy gain suggests a potentially game-changing strategy for drones and other aerial vehicles.

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.

Humans run at the most energy-efficient speed, regardless of distance

Researchers found that humans' natural tendency is to run at a speed that conserves caloric loss, defying the common goal of racing to shave time off miles. By analyzing data from wearable fitness trackers and lab experiments, scientists discovered that most runners maintained a consistent speed for short and long distances.

Bat box design, placement matter for energy balance in endangered bats

Research finds that bat box design and landscape placement significantly impact the energetic balance of endangered Indiana bats. A study by University of Illinois researchers tested five bat box designs and four landscape placements to determine their effects on bat metabolism, development, and survival.

No rest for new elephant mothers

A new study published in Animal Behaviour found that newborn African savannah elephants can keep up with their mothers' daily movements, contrary to previous assumptions. This remarkable ability allows the calves to benefit from protection against predators and integration into the herd's social structure.

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.

Increasing efficiency in two-terminal tandem solar cells

Researchers demonstrate a two-terminal tandem solar cell with enhanced efficiency through spectrum splitting, achieving a 5-6% gain in absolute efficiency. The design uses planar and Lambertian spectral splitters to effectively distribute sunlight among the top and bottom cells.

Meta Quest 3 512GB

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

Time crystals leave the lab

Researchers at University of California - Riverside observe time crystals in a system not isolated from its environment, achieving a major breakthrough. The all-optical time crystal uses a disk-shaped magnesium fluoride glass resonator and has potential applications in accurate measurements and precision timekeeping.

Columns designed from nanographenes

Scientists from University of Würzburg create custom-made nanographene with cavities to hold smaller PAHs, forming two- and three-layer complexes in solution. They also isolate pairs as solids, leading to promising results for solar cells

Risky food-finding strategy could be the key to human success

A new study found that early human foragers and farmers adopted a high-risk, high-reward strategy to find food, spending more energy but bringing home nutritious meals that could be shared with their group. This allowed them to rest or engage in other activities while food was being acquired.

All in a day’s work

Researchers compared the energetic strategies of humans and great apes, finding that humans are less efficient at acquiring food due to their high-intensity activities. However, this inefficiency is compensated by a higher return rate on energy investment, making human subsistence strategies successful.

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.

Shaping a sustainable future for a common plastic

A comprehensive assessment of polyurethane in the US reveals complexities that affect its recovery and recycling. The study highlights opportunities to enhance circularity and increase bio-based content of polyurethanes.

Green transition creates new risks and rewards

The green transition is already underway, with countries facing unique risks and opportunities based on their degree of competitiveness in fossil fuel markets. Diversifying economies towards low-carbon exports can mitigate negative impacts, while supporting innovation and job creation are key to maintaining long-term competitiveness.

Gamma rays and neutrinos from mellow supermassive black holes

Researchers propose that low-activity supermassive black holes are major factories of high-energy cosmic particles. They can generate gamma rays in the megaelectron volt range through plasma heating and accelerate protons to energies thousands of times higher than the Large Hadron Collider.

Blowing up medieval gunpowder recipes

The study of medieval gunpowder recipes reveals that the evolution of the perfect powder was a slow trial-and-error process. Researchers analyzed energies released during combustion and found that certain additives made gunpowder stronger, while others had no energetic advantages but might have served other purposes.

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.

Switched on IR-active organic pigments

Researchers developed a modular organic molecular system with customizable properties, creating a potent dye that absorbs light in the near-infrared range. The pigments' electronic switchability makes them suitable for studying electron transfer in photosynthesis and as efficient electron-transporting materials.

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.

Stop-motion photons: Localized light particles on the road

Scientists at the University of Rostock have made a groundbreaking discovery in the field of quantum mechanics. Localized light particles have been observed on long optical fibers, transcending the mechanism previously considered by Phil Anderson's theory of Anderson localization. This new class of disorder allows for the abrupt transp...

Novel chirped pulses defy 'conventional wisdom'

University of Rochester researchers produce highly chirped pulses with relatively low-quality equipment, increasing possibilities for high-capacity telecommunication systems and astrophysical calibrations. The new method uses normal dispersion cavities, which are more common and can generate stable pulses despite high energy loss.

High energy telescopes dissect the afterglow of a gamma ray burst

Astronomers used High Energy Stereoscopic System to observe gamma ray burst GRB 190829A's afterglow, detecting emission at several tera-electronvolts. The results show similar spectral properties and decay profiles to x-ray emission, contradicting current emission models for gamma ray bursts.

Magnetized threads weave spectacular galactic tapestry

A new panorama of the Galactic Center builds on previous surveys, expanding Chandra's high-energy view. The image features X-ray and radio emission intertwined threads, bound by magnetic fields that may have formed through magnetic reconnection. This process drives galactic-scale outflows and affects cosmic rays and interstellar medium.

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.

Empowering citizens for successful energy transitions

A new IIASA-led study investigates the potential of polycentric governance in facilitating citizen participation in energy transition. The research found that providing citizens with options to make choices about services affecting their communities increases trust in decision makers, while also increasing awareness and willingness to ...

Artificial intelligence for space

Researchers at University of Würzburg are developing AI technology to analyze images from Mars and other planets, detecting previously unknown anomalies such as circular holes and geysers. The project aims to train AI on board a small satellite in space to learn independently and report discoveries back to Earth.

New research shows how immune response to TB differs in babies

New research reveals fundamental differences in how baby and adult immune cells respond to TB, with a greater ability of adult cells to shift their energy profile after infection. The study highlights the importance of understanding how the immune system uses energy to develop better treatments for vulnerable populations.

Bitcoin price boom 'locking in' vast energy consumption

The surging Bitcoin price is driving increasing energy consumption, with estimates suggesting the entire network could consume up to 184 TWh per year. This 'lock-in' effect means that even if the price crashes, energy consumption remains high, threatening international safety and exacerbating climate change.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Source of hazardous high-energy particles located in the Sun

Scientists at UCL and George Mason University have located the source of potentially hazardous solar particles for the first time, finding they originate from plasma confined close to the top of the Sun's chromosphere. This discovery aims to improve forecasts of solar storms and reduce risks to satellites and electronic infrastructure.

NRL physicist earns 2020 AAAS Newcomb Cleveland Prize

A team of astronomers and astrophysicists detected and localized a fast radio burst using the Australian Square Kilometre Array Pathfinder, providing vital information on its origins. The detection was part of an international effort that improved understanding of fast radio bursts in distant galaxies.

Tuning electrode surfaces to optimize solar fuel production

Researchers found that modifying the surface of electrodes with bismuth can significantly increase electrical current, driving the reactions that split water into oxygen and hydrogen. This process could lead to a clean and sustainable energy future.

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.

Energetic costs of human-induced risk in pumas

Pumas in California experienced significant energetic costs when navigating physically difficult terrain or high-risk human disturbance areas, resulting in reduced space use. This study found that male pumas were particularly affected, with a 68% decrease in daily distance traveled and total area traversed over two months.