Bluesky Facebook Reddit Email

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

Meta Quest 3 512GB

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

Quantum interference in molecule-surface collisions

Researchers have developed a method to observe quantum interference in surface collisions of methane molecules, revealing clear patterns of wave-like behavior that amplify or cancel out different pathways. This discovery confirms the active role of quantum mechanics in controlling molecular interactions at surfaces.

Apple iPhone 17 Pro

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

How everyday activities inside your home can generate energy

Researchers are developing new ways to harvest and adapt energy from everyday home activities, such as turning a doorknob or opening a fridge door. This technology aims to create smart interfaces that can power appliances and assist people with disabilities, increasing energy efficiency and accessibility.

New discovery by Mizzou scientists redefines magnetism

Researchers Carsten Ullrich and Deepak Singh have discovered a new type of quasiparticle in all magnetic materials, challenging previous understanding of magnetism. This finding could lead to the development of faster, smarter, and more energy-efficient electronics.

Subcycle conservation law in strong-field ionization

Researchers have identified a subcycle conservation law between angular momentum and energy during strong-field ionization, as revealed by the analysis of correlated spectrum of angular momentum and energy. This law remains applicable down to the subcycle level, offering new understanding of light-matter interactions.

To find life in the universe, look to deadly Venus

A new paper argues that Venus, with its surface temperatures hot enough to melt lead and a toxic atmosphere, can provide valuable lessons about the potential for life on other planets. The study highlights the importance of understanding the conditions that make Earth habitable, as well as the risks of runaway greenhouse effects.

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.

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.

Bacteria as Blacksmiths

Researchers at ISTA use swimming bacteria to assemble materials, introducing a novel strategy for fabricating soft materials. The study demonstrates the potential sustainability benefits of harnessing energy from bacteria in material production.

Unwinding the world’s smallest biological rotary motor by degrees

Scientists studied F1-ATPase function in bacteria to clarify the angle of rotation during ATP hydrolysis. The study revealed three sets of short and long dwells associated with different intervals per revolution, resolving a long-term debate over the ATP-cleavage shaft angle.

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.

Light-driven molecular motors light up

Scientists have successfully created two types of light-driven molecular motors that can both rotate and fluoresce in the same molecule. This achievement demonstrates that these motors can be designed to control various functions using light energy, paving the way for potential applications in biomedical imaging and cellular processes.

Why is an empty shampoo bottle so easy to knock over?

A physics professor and first-year physics major demonstrate how the center-of-mass of a nearly empty shampoo bottle affects its stability when placed on a tilted surface. The study reveals that the altitude of the center of mass is a nonlinear function of the liquid level, with lower levels resulting in higher altitudes.

Colliding molecules and antiparticles

Researchers Marcos Barp and Felipe Arretche developed a model predicting rotational energy loss when positrons collide with molecules like CF4 and methane. The model agreed well with experimental results and could improve PET scanning techniques, providing new insights into matter-antimatter interactions.

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.

Molecular motor: Four states of rotation

The hemithioindigo-based molecular motor exhibits unidirectional rotational motion about a specific chemical bond when exposed to light. The team has characterized the dynamics of unidirectional rotation in the motor using ultrafast spectroscopic techniques and quantum mechanical calculations.

Remote jets are clearer now

Astrophysicists develop model to test hypothesis about supermassive black holes and their impact on galaxy jets. The study suggests that part of the jet's power comes from the rotating black hole, which loses angular momentum as it emits energy. By measuring magnetic fields in jets, scientists can estimate this rotational energy loss.

Measuring entropy

A team of scientists from Empa and PSU investigated the DBS molecule's rotation rates at different temperatures, finding a non-uniform energy landscape. The results suggest that entropy plays a crucial role in molecular mobility even at low temperatures.

The discovery of deceleration

Millisecond pulsars lose half of their rotational energy during mass-transfer process, explaining apparent age paradox and absence of sub-millisecond radio pulsars. This result is in agreement with current observations and helps resolve the 'turn-off' problem in stellar astrophysics.

Unexpected connection: Rotation reversal tied to energy confinement saturation

Researchers at MIT's Alcator C-Mod experiment have found a novel connection between spontaneous plasma rotation and global energy confinement. At low density, the two phenomena are positively correlated, but at higher densities, they become inversely related, with rotation reversal leading to saturated energy confinement.

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.

Short rotation energy crops could help meet UK's renewable energy targets

Short rotation energy crops on England's unused land could produce enough biomass to meet UK's renewable energy targets without disrupting the food industry or environment. This study found that efficient land use can generate approximately four percent of current UK electricity demand from these crops.

Animated movie of ice

Swedish researchers used a computer to simulate ice melting after heating with a short light pulse. The simulation showed that the energy causes OH bonds to oscillate and eventually breaks bridging hydrogen bonds, leading to crystal collapse.

New understanding of hydrogen combustion reaction

A Cornell University research team studied the fundamental step in hydrogen combustion, finding that energy is released when newly formed water molecules are produced in excited vibrational and rotational levels. The study's results support new theoretical predictions, providing a breakthrough in understanding chemical reactions.

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.

Physics of baseball

The physics of baseball involves understanding various phenomena such as the break of a curve ball, the flight of a home run, and the impact between bat and ball. The collision is highly inelastic, resulting in lost kinetic energy due to frictional heat and reaction forces that affect the bat's recoil.

Crusty Young Star Makes Its Presence Known

Astronomers detect powerful gamma rays from SGR 1900+14, confirming the existence of magnetars and linking three mysteries: what are Soft Gamma Repeaters (SGRs) and Anomalous X-ray Pulsars (AXPs)? The discovery provides insights into neutron star behavior and suggests a million old magnetars might be drifting through the Galaxy

New Technique Reveals Identity Of Near-Neighbor Atoms

Researchers at Berkeley Lab have developed a new technique called MARPE, which directly determines the identity of an atom and its neighbors. The method works by analyzing the energies of electrons emitted when excited by photons, revealing the presence and identity of neighboring atoms.

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.

Hopkins Study Reveals Key Details On How We Get Energy

Scientists at Johns Hopkins Medicine solved a major mystery surrounding energy production by determining the molecular structure of adenosine triphosphate synthase (ATP synthase). The discovery explains how cells produce ATP, the common currency of energy, and offers new insights into why people get less energetic with age.

New Optical Detector Could Revolutionize Astronomy

Physicists at Stanford University developed a new optical detector capable of measuring individual photons' energy, arrival time, and location throughout the spectrum. This breakthrough has potential applications in dark matter detection and improved astronomical observations.