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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

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.

New space image reveals cosmic 'candy cane'

A new image of the Milky Way's center captures a colorful composite of giant molecular clouds, with details on radio filaments and star factories. Scientists use GISMO data to observe microwaves at large scales, making detailed observations for the first time.

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.

The coldest reaction

Researchers at Harvard University have achieved the coldest chemical reaction in history, slowing down molecules to capture the critical act of bond formation. By utilizing ultracold temperatures, they observed the intermediate stage of the reaction for microseconds, enabling direct measurement and validation of theories.

Scientists inch closer than ever to signal from cosmic dawn

Researchers analyzed data from the Murchison Widefield Array radio telescope to set a new limit for the strength of neutral hydrogen's ultra-faint signature. The analysis may reveal critical information about the first stars and galaxies in the universe.

Gamma-ray bursts with record energy

Scientists have detected gamma-rays from two gamma-ray bursts with ground-based telescopes, producing energies up to 100 billion times that of visible light. The observations provide insights into the gigantic explosions and their physical mechanisms.

Celestron NexStar 8SE Computerized Telescope

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

Galactic fountains and carousels: order emerging from chaos

A new cosmological simulation, TNG50, has revealed that the geometry of cosmic gas flows determines galaxies' structures. The study finds that galaxies form into disc-like shapes with rapid rotation, eventually becoming spiral galaxies through a process known as galactic fountains.

Hubble captures a dozen galaxy doppelgangers

The Hubble Space Telescope reveals a remote galaxy split into multiple images by gravitational lensing, allowing astronomers to study its structure and environment. The Sunburst Arc, 11 billion light-years away, resembles galaxies from an earlier time in the universe's history.

New measurement of Hubble constant adds to cosmic mystery

A new measurement of the Hubble constant has been made using light from extremely distant galaxies, estimating a value of 76.8 kilometers per second per megaparsec. The result is comparable to previous estimates but differs significantly from other methods, sparking debate about potential new physics beyond our current understanding.

Apple iPhone 17 Pro

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

How do the strongest magnets in the universe form?

A German-British team used computer simulations to demonstrate how the merger of two stars creates strong magnetic fields. This process could result in the formation of magnetars, which are thought to have the strongest magnetic fields in the universe.

Researchers home in on extremely rare nuclear process

The EXO-200 collaboration has established some of the strongest limits yet for neutrinoless double beta decay and two-neutrino double beta decay of xenon-136. This research sets the stage for future experiments that will search for the hypothetical process, which would confirm that neutrinos are their own antiparticles.

Artificial intelligence probes dark matter in the universe

Researchers used machine learning algorithms to analyze dark matter maps, achieving 30% more accurate results than traditional methods. The AI was trained on simulated data and applied to actual KiDS-450 dataset, showing promising potential for future cosmological applications.

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.

Hello, world! A new approach for physics in de sitter space

A team at OIST Graduate University reports a new approach to quantum gravity using a model that more closely matches our reality, including accelerating expansion. The free S-matrix predicts interactions between particles in de Sitter space, which may help explain realistic scenarios.

KATRIN cuts the mass estimate for the elusive neutrino in half

The KATRIN experiment has narrowed the estimated mass range of the elusive neutrino to 1 electron volt (eV), cutting it in half from a previous upper limit of 2 eV. This breakthrough allows scientists to answer fundamental questions about the universe's evolution and physics beyond the Standard Model.

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.

And then there was light: Looking for the first stars in the universe

Researchers have detected a 10-fold improvement in data gathered by the Murchison Widefield Array, bringing them closer to understanding the life and death of the earliest stars. The signal is more than 12 billion years old and was refined using new techniques to exclude sources of contamination.

Providing a solution to the worst-ever prediction in physics

Physicist Lucas Lombriser proposes a new mathematical manipulation of general relativity equations to harmonize theory and observation on the cosmological constant. Theoretical value is 0.704%, close to the best experimental estimate, resolving a 10121-year discrepancy.

Meta Quest 3 512GB

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

Pair of supermassive black holes discovered on a collision course

A team of astronomers has discovered a pair of titanic supermassive black holes on a collision course, which will soon emit powerful gravitational waves dwarfing those from smaller black hole mergers. The discovery can aid in estimating the number of nearby supermassive black holes emitting detectable gravitational waves.

Holes in the universe sharpen cosmic measurements

A new study has developed a method to measure the cosmic expansion with greater precision, utilizing galaxy voids and accounting for distortions caused by dark energy and curvature. The results agree with the simplest model of a flat universe and tighten constraints on alternative theories.

Exactly how fast is the universe expanding?

Researchers pin down Hubble constant value between 65.3 and 75.6 km/s/Mpc using gravitational wave signals and radio images. This method relies on a single merger event, which is remarkable given the cosmological models' limitations.

New method may resolve difficulty in measuring universe's expansion

Astronomers have developed a new method to measure the expansion of the Universe by analyzing neutron star mergers and gravitational waves. This technique uses the orientation of the gravitational wave signal to determine the distance, providing a new 'cosmic ruler' for measuring the Hubble Constant.

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.

Scientists weigh the balance of matter in galaxy clusters

A team of researchers has found a balance between hot gas, stars, and other materials in galaxy clusters. The study validates the prevailing cold dark matter theory and provides insight into the relationship between ordinary matter and dark matter.

Algorithm designed to map universe, solve mysteries

Cornell researchers develop algorithm to visualize models of the universe, unlocking secrets of cosmology and dark matter. The algorithm uses intensive principal component analysis to extract patterns from large datasets, providing new insights into the nature of our universe.

Apple iPad Pro 11-inch (M4)

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

Astronomers uncover first polarized radio signals from gamma-ray burst

An international team of astronomers has captured the first-ever polarized radio waves from a distant cosmic explosion, known as gamma-ray burst GRB 190114C. The discovery provides new insights into how jets are formed in gamma-ray bursts and could shed light on the role of magnetic fields in powering these energetic events.

The science and technology of FAST

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) has enabled groundbreaking discoveries in pulsar and neutral hydrogen observations. With its ultra-wideband capabilities, FAST allows for the study of rotating radio transients in greater detail than ever before.

Physics tip sheet: APS April Meeting

The 2019 APS April Meeting features talks on Event Horizon Telescope project's first results, nucleosynthesis in neutron star mergers, and the proposed AMEGO mission. These discoveries shed light on black holes, dark matter, and the universe's evolution.

Researchers discover CP violation in charm meson decays

Scientists from HSE and Yandex collaborate on LHCb experiment, discovering CP violation in charm meson decays with statistical significance of 5.3 standard deviations. AI tools improve data selection and analysis, enabling correct interpretation of physical results.

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.

Dark matter experiment finds no evidence of axions

The ABRACADABRA experiment, led by MIT physicists, detected no evidence of axions within a specific mass range. The team reported that axions in this mass range do not exist or have an even smaller effect on electricity and magnetism than previously thought.

Syracuse University physicist discovers new class of pentaquarks

Tomasz Skwarnicki and his team have analyzed data from the Large Hadron Collider beauty experiment at CERN, discovering three never-before-seen pentaquarks. The findings suggest that pentaquarks are built in a similar way to protons and neutrons, potentially affecting models of matter in other parts of the universe.

Ultra-sharp images make old stars look absolutely marvelous!

Astronomers have uncovered one of the oldest star clusters in the Milky Way Galaxy using high-resolution adaptive optics imaging from the Gemini Observatory. The study reveals that the cluster is approximately 12.8 billion years old and provides new insights into galaxy formation.

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.

Putting data privacy in the hands of users

A new platform called Riverbed ensures that web services adhere to users' preferences on how their data are stored and shared in the cloud. Users can select predefined restrictions on data storage and sharing, and the platform monitors server-side code to ensure compliance.

First evidence discovered of a gigantic remnant around an exploding star

Astronomers have discovered evidence of a gigantic remnant surrounding an exploding star, indicating that it erupts regularly on a massive scale for millions of years. The team found a super-remnant measuring almost 400 light years across, which is unusually large compared to other known nova systems.

Gravitational waves will settle cosmic conundrum

Measurements of gravitational waves from binary neutron stars will definitively resolve the debate on the universe's expansion rate. By observing 50 binary neutron stars over the next decade, scientists can calculate the Hubble constant accurately, resolving the conflict between conflicting measurements.

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.

The 'stuff' of the universe keeps changing

Researchers reveal how stars contribute to the creation of elements, from hydrogen to heavier elements like lawrencium. The study highlights the dynamic nature of the periodic table, which has grown as new elements have been discovered or created in laboratories.

POLAR experiment reveals orderly chaos of black holes

A recent study using high-precision polarization measurements of five gamma-ray bursts has found that GRBs oscillate in the same direction within short time slices, with the oscillation direction changing over time. The results challenge previous theoretical models and provide new insights into the physics of GRB prompt emissions.

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.

Our universe: An expanding bubble in an extra dimension

Researchers propose a new structural concept for the Universe, including dark energy, which rides on an expanding bubble in an additional dimension. This model may solve the enigma of dark energy and provide insight into the creation and future fate of the Universe.

Narrowing the universe in the search for life

Astrophysicist Wendy Panero proposes a new approach to determining a planet's habitability by analyzing its mass, radius, and star composition. This method could help scientists identify the most promising candidates for supporting life in the universe, saving time and resources.

NASA's Fermi traces the history of starlight across cosmos

Scientists used data from NASA's Fermi Gamma-ray Space Telescope to measure all starlight produced over 90% of the universe's history. This analysis provides a reference for future missions exploring stellar evolution and confirms previous measurements of star-formation rates.

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.

Historian tells new story about England's venerated 'Domesday book'

A historian challenges the traditional view of the Domesday Book, a famous document created by William the Conqueror in 11th-century England. New research suggests that the final version of the book was compiled years after its initial publication, and that it was not the top-down, orderly bureaucratic enterprise previously thought to ...

Laser blasting antimatter into existence

Researchers blast trapped electrons with laser pulses to generate a cascade of particles, shedding light on astrophysical plasmas and potential industrial applications.

Scientists refine the search for dark matter

Researchers from Lund University have developed a more effective technique to search for dark matter in the universe. By analyzing larger amounts of data generated at CERN, they hope to find signs of new particles that could connect visible and dark matter.

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.

Scientific research will help to understand the origin of life in the universe

Scientists from Samara University have discovered new chemical mechanisms for polycyclic aromatic hydrocarbon (PAH) synthesis at very low temperatures, including -183 C. These findings challenge the prevailing view that PAHs can only form at high temperatures and suggest a possible link to the origin of life in the universe.

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.

Supermassive black holes and supercomputers

Researchers used supercomputers to simulate early universe, revealing formation of first stars and galaxies. Metal-enriched gas enabled rapid star formation, leading to smaller, more numerous stars and galaxy evolution.