Articles tagged with Experimentation
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.
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.
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.
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.
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.
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.
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.
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.
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.
Carrying out scientific experiments in space enables faster drug discovery due to lower gravity, speeding up the development of complex medicines. Protein crystallization experiments have been instrumental in designing cancer drugs, while studying aging treatments could lead to breakthroughs in stem cell therapy.
Researchers develop a new way to manufacture high-efficiency diffraction gratings using reactive ion-plasma etching, achieving near-theoretical unpolarized diffraction efficiency of 94.3%. The process enables robust and durable gratings suitable for harsh environments.
Researchers have validated a new theory for molecular diffusion in polymer matrices, explaining how molecules move through complex media. The study found that temperature and molecule size significantly impact transport rates, enabling the design of more selective polymer membranes.
Researchers from the University of Kassel developed an approach to extend the limits of interferometric topography measurements for optical resolution below small structures. Microsphere assistance enables fast and label-free imaging without requiring extensive sample preparation.
The SwRI experiment helped predict the effects of NASA's DART impact on asteroid Dimorphos. The study assessed ejecta momentum enhancement created by the space probe's collision, measuring a 3.4-fold increase in momentum transfer.
Researchers at UNH tested state-of-the-art calculations of the strong force with an experiment probing proton spin, finding agreement with one but not the other. The findings provide a benchmark for testing the strong force and its applications in future technology.
Researchers at MIT have developed a new approach to identify topological materials using machine learning and X-ray absorption spectroscopy. The method is over 90% accurate in identifying known topological materials and can predict properties of unknown compounds.
A new study in Cell Systems explores the benefits of using multiple data types in drug discovery. Gene expression and cell morphology provide complementary information for drug prioritization, advancing drug discovery, functional genomics, and precision medicine.
Trinidadian killifish exhibit larger brain size in high-competition environments, increasing their ability to forage and survive. The study provides experimental evidence that brain size is an adaptive trait in dense populations.
Nuclear physicists have confirmed a bump in the data of proton structure measurements, revealing an unexplained spike in electric polarizability. The anomaly is puzzling experts, who believe it may indicate an unknown facet of the strong force at work.
Scientists at Swinburne University of Technology and FLEET collaborators observe and explain signatures of Fermi polaron interactions in atomically-thin WS2 using ultrafast spectroscopy. Repulsive forces arise from phase-space filling, while attractive forces lead to cooperatively bound exciton-exciton-electron states.
A team at Tampere University has demonstrated that quantum waves behave differently from classical counterparts, increasing the precision of distance measurements. Their findings also shed light on the physical origin of the Gouy phase anomaly in focused light fields.
Researchers have developed a phase diagram that predicts ecosystem stability based on the number of species and interaction strength. The study shows three states of ecological communities, with conditions for moving between them, allowing for the prediction of instability and fluctuations in populations. This work builds on previous f...
The study reveals that noise sources in the micro resonator can cause the lines to be narrower than previously thought, enabling more precise measurements. By understanding this phenomenon, researchers can develop even more accurate devices, such as instruments measuring signals at light-years distances.
A high-precision experiment reveals that protons and neutrons in small nuclei prefer to pair up with others of the same kind more often than expected. The study provides new details about short-distance interactions between particles and may impact results from experiments seeking to tease out further nuclear structure details.
A research group from Tokyo University of Science has discovered molecular features that govern the filling process at nanoscales, enabling finer resolutions in ultraviolet nanoimprint lithography. The findings provide valuable insights for guiding the selection and design of optimized resists for sub-10 nm resolution.
Researchers at Jefferson Lab have extracted the strength of the strong force, a quantity that supports theories accounting for 99% of ordinary mass. They found that strong force coupling grows quickly before leveling off and becoming constant with increasing distance between affected bodies.
The study compares the behavior of flat (1D), cylindrical (2D) and spherical (3D) micromirrors for free-space light coupling. Silicon micromirrors were fabricated and used to experimentally validate the coupling efficiency in visible and near infrared wavelengths.
A team of scholars at the University of Bologna revived and studied ancient alchemical texts, then put procedures into practice in the laboratory. The results revealed unexpected methods for mercury extraction and the use of substances like natron and iron in sublimation processes.
A team of researchers from Tokyo University of Science has developed an efficient integrated materials synthesis system for automatic discovery of new functional magnetic materials. Using artificial intelligence and computational science, they identified promising materials five times more efficiently than traditional trial-and-error a...
Researchers constructed a synthetic stub lattice in two coupled rings of different lengths, observing flat bands, band transitions and mode localization. This experimental demonstration enables dynamic control of light and may pave the way for future applications in optical communications.
Scientists have found that axisymmetric 'spike waves' can exceed previously thought limits on ocean wave height, leading to significant implications for maritime safety. The new research revealed the fundamental mechanisms behind highly directional and crossing waves becoming much larger than others.
The researchers successfully demonstrated attosecond-pump attosecond-probe spectroscopy to study non-linear multi-photon ionization of atoms. The experiment showed that the absorption of four photons from two attosecond pulse trains led to three electrons being removed from an argon atom.
Researchers at Boston College have discovered a new particle known as the axial Higgs mode, a magnetic relative of the mass-defining Higgs Boson particle. The detection was made possible by using light scattering and quantum simulator techniques in a tabletop experiment at room temperature.
Researchers at HZDR simulated liquid metal flow behavior and found that turbulence under certain conditions leads to reduced heat transport. This finding has implications for battery technology and our understanding of the Earth's core.
Researchers have developed a method to control the rotational states of chiral molecules, allowing for specific separation of enantiomers. By irradiating chiral molecules with UV radiation and microwaves, the team has gained more control over which 'hand' is in which state.
Researchers from MIT found that Oreo creme tends to stick consistently to one side of the cookie, regardless of twisting speed or milk exposure. The study used a custom-made 'Oreometer' instrument to investigate cookie mechanics and encourage further research on rheology.
Tel Aviv University researchers develop innovative model that explains wave formation, tested in complex experiments. The model takes into account all unstable harmonics and limitations of previous models, providing high reliability for describing physical situation.
Researchers have discovered that magnetic fluctuations can reduce heat load on fusion devices by propagating turbulence. This breakthrough enables a new method for controlling turbulence and maintaining high central temperatures in the plasma.
A self-contained experiment is being sent to the International Space Station to investigate stress and DNA damage caused by space travel. The goal is to determine if genomic damage experienced during space travel is linked to the silencing of a specific gene, beta-arrestin1.
Researchers assess development and performance of tailored approaches to fertilizer application in SSA, highlighting scalability and technical challenges. Solutions to overcome barriers to widespread adoption are outlined, including investment in soil capacity estimation and farmer-friendly digital tools.
Researchers found that stimulating a specific area of the auditory cortex improved speech perception in an epilepsy patient, allowing them to decipher spoken sentences with clarity. The study used invasive brain stimulation to enhance speech detection over background noise.
Researchers at Jacobs University have developed a novel method for drug delivery using boron clusters, enabling efficient transport of bioactive substances into cells. The breakthrough has potential applications in overcoming antibiotic resistance and delivering innovative therapeutics, such as peptides and protein-based drugs.
Researchers develop a method to leaven pizza dough without yeast by dissolving gas into the dough at high pressure. The team fine-tuned the pressure release rate through rheological analysis to create ideal rise, resulting in light and airy pizzas.
Researchers reexamined hundreds of experiments on neural activity and consciousness, finding that experiment parameters determine results. The study used artificial intelligence to predict which theory would be supported by each experiment with 80% success.
A new study at Tel Aviv University's Coller School of Management found that employees who use pictures and emojis are perceived as less powerful than those who use words. In various experiments, respondents attributed more power to verbal messages and rated those with visual profiles as less capable.
A WVU postdoctoral researcher has made a groundbreaking discovery in the field of magnetic reconnection, which can be used to predict space weather events that affect satellite and power grid systems. The study uses advanced laser diagnostics to measure electron speeds, providing new insights into plasma physics processes.
Researchers at UMass Amherst developed a new theory that allows for precise prediction of soft material failure. The breakthrough has major implications for polymer engineering and manufacturing, enabling the design of more efficient products.
A team led by Prof. PAN Jianwei from the University of Science and Technology of China has successfully measured second sound attenuation in a controlled experiment using ultra-cold lithium-6, verifying the dynamic scaling theory and paving the way for further research on quantum critical regions.
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.
A new approach to field research is emerging, prioritizing farmer-centric philosophy and on-farm engagement. This shift aims to tackle the challenges farmers face at relevant scales, leveraging digital technology for more effective solutions.
Researchers demonstrate that quantum networks' predictions differ when postulates are phrased in real numbers. The study proposes an experimental setup involving two sources and three measurement nodes, where complex quantum theory's predictions cannot be expressed by their real counterparts.
A team of international researchers challenged Einstein's theory of general relativity using pulsars as a cosmic laboratory. They detected new relativistic effects, including light deflection and time dilation, with unprecedented precision. The study provides significant insights into gravity theories and the fundamental forces of nature.
Researchers at Lawrence Berkeley National Laboratory's Advanced Quantum Testbed demonstrated a method to reduce error rates in quantum algorithms, leading to more accurate and stable computations. The technique, known as randomized compiling, can suppress one of the most severe types of errors: coherent errors.
A comprehensive review of similarity theory in PEMFC research reveals its potential to accelerate progress. The study highlights the benefits of using dimensionless analysis to compare results and reduce testing efforts. However, challenges remain in developing integrated performance criteria.
Researchers at Tel Aviv University conducted a cross-adoption experiment with fruit bat pups to determine whether boldness is genetic or learned. The findings indicate that the pups behave like their adoptive mothers, not biological mothers, suggesting that boldness is an acquired trait passed on through mother's milk.
Scientists confirm existence of sigma-hole, a phenomenon previously predicted but never directly observed. This breakthrough enables understanding of interactions between individual atoms or molecules, facilitating refinement of material and structural properties.
Researchers discovered a novel topological edge soliton that inherits topological protection from its linear counterpart, enabling robust and localized light beams. This breakthrough is achieved through nonlinear photorefractive lattices harnessing the valley Hall effect, without requiring an external magnetic field.
Research found that doctors often rely on 'mental shortcuts' in medical decisions, which can lead to flawed outcomes. The authors suggest acknowledging this phenomenon and promoting the use of decision aids to help physicians make better decisions.
Researchers at Jefferson Lab discovered a thinner neutron skin around calcium nuclei than expected, contrasting with lead measurements. This finding presents an opportunity for further exploration into the underlying reasons for this difference.
The PHAse Space MApping experiment, a complex plasma physics research project at WVU, aims to study the motion of ions and electrons in plasmas. The facility can measure three-dimensional motion at very small scales and is capable of performing detailed measurements.
Researchers found that dogs respond differently to food rewards withheld intentionally versus unintentionally. Dogs waited longer in the 'unwilling' condition, indicating they can differentiate between purposeful and accidental actions.
Researchers have developed a new model for micro-swimmer-based transport, which shows that a swarm of micro-swimmers can transport particles more efficiently than traditional methods. The study's findings suggest that this phenomenon could be useful in biological applications, such as delivering drugs to specific locations in the body.
The Dragonfly mission will investigate Titan's surface and atmosphere, searching for chemical biosignatures and exploring the moon's active methane cycle. By analyzing the prebiotic chemistry currently taking place in Titan's atmosphere and on its surface, scientists hope to gain insights into the potential for life on the moon.
Researchers at VCU found a clear preference for immediate revenge in six experiments with over 1,500 participants. Participants who ruminated on past provocations or had antagonistic traits showed a shift towards delayed-but-greater revenge.
Researchers found that startups using A/B testing are more successful, with improved performance by 30-100% and higher product innovation rates. The study also found that smaller firms without financing can benefit the most from A/B testing, but use it least.
Physicists investigated why beer mats behave strangely when thrown. The study found that the mat tips backwards due to gravity, creating an angle of attack that generates lift in the airflow. When rotated like a frisbee, the lifting force causes the mat to drift off to the side, rather than flying straight.
Researchers developed a new X-ray study method to understand correlated metals, promising for superconductors and quantum computers. The method, resonant inelastic X-ray scattering (RIXs), excites electrons, providing information about electronic structure.
Researchers from Tomsk Polytechnic University and Spanish universities have developed a simple method to boost the responsivity of terahertz radiation detectors by 3.5 times using a small Teflon cube. This enhancement enables more precise measurements without changing the detector's design.
Researchers demonstrate Slater mechanism using pyrochlore oxide, a compound with minimal other metal-insulator transition mechanisms. The study provides new insights into fundamental questions about material behavior and has potential applications in spintronics.