Researchers used a biomimetic model to study wound healing in burn and laceration wounds. Fibroblasts were found to clear away damaged tissue before depositing new material, but this process was slower in burn wounds due to more tissue damage. Therapies that promote wound clearance could accelerate healing.
A complex system economic model shows that inequality boosts intolerance, but redistribution of wealth can prevent its spread. Economically disfavored individuals from minority groups may prioritize helping wealthy individuals over their own group when discriminated against.
Stefano Pierini proposes a new paradigm to simplify the verification of the Milankovitch hypothesis, combining physics concepts to link orbital parameters and glacial cycles. The deterministic excitation paradigm correctly predicts the timing of recent glacial terminations, offering insights into climate predictability.
Scientists developed a sensitive nanostructured silver surface to detect arsenic in water, food and soil using surface-enhanced Raman spectroscopy (SERS). The new technique is more sensitive and easier to produce than existing methods, making it ideal for on-site field assays.
Researchers have designed a solar harvester with enhanced energy conversion capabilities using self-assembling nanoparticles. The device achieves high absorbance and suppressed thermal emissivity, enabling the transformation of sunlight into thermal energy.
Researchers measured noise levels at locations around the launch pad, finding maximum sound levels exceeded predicted values by nearly 20 decibels. The study's findings will help validate and improve existing noise prediction models to protect equipment and surrounding environments.
Researchers developed a multiphase solver to predict beer foam features, including patterns, heights, stability, and volume fractions. The study found that foam generation is sensitive to temperature and pressure, with higher temperatures producing more foam.
A team of researchers used computational fluid dynamics to simulate the 3D spatial transmission of COVID-19 within a hospital isolation room. They found that the area above a patient's bed at a height of 0.7 to 2 meters is the highest risk zone for infection.
Researchers from the University of Calabria used 3D printing to turn chaotic structures into unique jewelry, exploring the beauty of complex systems. The project combines art and science, allowing students to develop their knowledge and creativity by building and designing their own Chua circuit-inspired jewelry.
Researchers used computer modeling to simulate a nuclear explosion and found that high airspeeds remain a considerable hazard inside buildings. The tight spaces can increase airspeed, causing severe injuries or fatalities.
A new nanopore-based sensing device explores the aggregation of tau and tubulin proteins in neurodegenerative diseases such as Alzheimer's and Parkinson's. The device provides volume information about protein molecules and their states at the single-molecule level, offering insights into protein binding and aggregation.
Researchers developed an injectable hydrogel that inhibits common bacteria and promotes tissue regrowth, treating infections around prosthetics. The gel has a porous structure, excellent injectability, and rapid self-healing properties.
Researchers from Cornell University and Clemson University conducted droplet experiments on the ISS to investigate larger droplets due to lower gravity, expanding the parameter space of the Davis-Hocking model. The results confirmed and expanded the model, providing insights into droplet dynamics.
Researchers have developed a new way to time weak electrical pulses that can stop life-threatening arrhythmias like atrial and ventricular fibrillations. The approach, adaptive deceleration pacing, uses a series of weak pulses spaced farther apart over time.
Researchers developed a computational model of flying snakes' undulation to understand lift production. The snake's cross-sectional shape creates pressure differential across its body, lifting it and allowing it to glide through the air.
Researchers from Brazil and UCLA used computational fluid dynamics/discrete element method to study barchan dune formation, shedding light on grain-scale dynamics. The study enables investigation of forces within dunes and grain motion, paving the way for predicting future dune fields on Earth and Mars.
Researchers found that tumor cells directly interact with blood vessel cells, altering their normal clockwise orientation to a counterclockwise position. This interaction may play a role in cancer metastasis and could be targeted for prevention and treatment.
A new geometrical-shaped magnet structure enables deep brain stimulation to reach 11 centimeters below the scalp, 1.67 times deeper than conventional methods. This improved design offers more focused stimulation and increased treatment potential for psychiatric diseases like major depression.
Researchers found that optimizing solar panel spacing and direction can increase energy production by 2-3% through natural convection. The study's model improves estimates of solar plant efficiency, paving the way for more accurate cost predictions.
A new model examines the interplay between epidemic spreading and information diffusion to understand how reliable info can be better disseminated during epidemics. Effective prevention practices and mass media can increase the epidemic threshold, making it harder for infections to spread.
Radiation-tolerant photovoltaic cell designs could improve satellite performance by reducing radiation damage and increasing device longevity. The new ultra-thin solar cells outperform thicker devices in proton radiation tests, with nearly 3.5 times less cover glass needed for the same amount of power after 20 years.
Higher-quality violins produce more detectable objective combination tones, which are linked to air resonance and structural material. The study aims to analyze a greater number of violins to identify the origin of combination tones.
Researchers developed a model to simulate red blood cell destruction in high shear flows, revealing acceleration as a major factor. They recommend adding flow buffers to VADs to reduce hemolysis, aiming to improve hydraulic performance and patient outcomes.
Researchers from Pomona College developed an online undergraduate physics lab course using Hexbug Nanos to engage students in scientific research. Students designed experiments to investigate concepts in statistical mechanics and electrical conduction, with promising results.
Aneurysms occur when blood vessel thins and expands, leading to increased stress on walls and rising rupture probability. The new model uses computed tomography scans to reconstruct geometry and blood flow patterns.
Researchers found that shadows on single cells or parallel-connected cells result in similar output current decrease ratios to sunlight. However, series-connected cells experience excess power loss and temperature rise, leading to further degradation.
Digital health technology enables quality healthcare access regardless of location, monitoring individuals exposed to excessive noise or ototoxic medication. Researchers explore how telehealth can facilitate the prevention of permanent hearing loss and close the gap on hearing health disparities.
Researchers are using in vitro skeletal muscle models to study Type 2 diabetes and its treatment. These models enable the exploration of disease characteristics and discovery of new medicines tailored to individual patients' muscles.
A team of scientists developed a chip that simulates the human lung's breathing pattern, allowing them to visualize and analyze the flow of air and particulates through the alveoli. They found distinct flow patterns for different generations of the bronchial network, shedding light on respiratory diseases such as emphysema and COPD.
Researchers use human tissue models to study myocardial infarction, a leading cause of mortality worldwide. These models allow for early detection of discrepancies between animal and human responses, enabling faster and safer clinical trials.
Researchers simulated a superheated steam dishwasher, finding it kills 99% of bacteria on a plate in just 25 seconds. The technology could also effectively remove food debris with shock waves, making it ideal for restaurants, hotels, and hospitals.
Researchers developed a method to identify valve dysfunction using complex network analysis that is accurate, simple to use, and low-cost. The diagnostic tool works by analyzing the sounds produced by the heart, creating a graph of connected points, and identifying correlations between nodes.
Researchers used physics-based models and historical data to debunk internet claims about the Saturn V's acoustic power, finding levels of 203 decibels, comparable to commercial jet engines. The study also predicts sound levels for NASA's SLS Artemis 1 launch and provides educational tools for college-level physics classrooms.
Researchers from the University of Pennsylvania studied wind instrument aerosol dispersion to understand how far aerosols travel and decay. Aerosols emitted by wind instruments share a similar concentration and size distribution with normal speech and respiration events, suggesting that musicians should stay 6 feet apart.
A plasma-based approach may one day convert carbon dioxide into oxygen and produce fuels, fertilizers on the red planet. The system could play a critical role in life-support systems and future human settlement on Mars.
Scientists at UCLA developed a stretchable, inexpensive, and waterproof HMI that generates power from the wearer's movements. The device was tested in various real-world situations, including water spray, and worked well when wet.
A new study uses a biomimetic in-silico simulator to investigate the effect of body posture and stomach motility on oral drug bioavailability. The simulation reveals that stomach contractions can induce pressure, generating complex pill trajectories and affecting drug dissolution rates.
Researchers have developed an ultrasound method that can screen for bucked shin in young horses, a condition that occurs in about 70% of animals during training. The technique uses axial transmission to detect irregularities in bone formation, allowing for early diagnosis and treatment.
Researchers developed an on-chip spectrometer and silicon nanowires to extract light's angle, spectrum, and other aspects, enabling multimodal imaging. The advancements could enhance autonomous vehicles' vision, biomedical imaging, and telescopes' ability to see through interstellar dust.
Scientists explore how polarized light can create colorful artwork by manipulating transparent films between polarizers. This technique demonstrates key physics concepts, such as birefringence and retardance, in a visual and accessible way.
A large, all-season ozone hole has been detected over tropical regions, with an area seven times greater than the Antarctic ozone hole. The discovery highlights the need for further research on ozone depletion and its impact on human health and ecosystems.
Researchers develop speckle-based compressive imaging technique to improve deep-tissue imaging in Alzheimer's disease studies. The method reduces pixel measurements needed, producing high-resolution images up to 11 times faster and three times bigger than traditional raster-scan approach.
Researchers have developed a new type of prosthetic using microfluidics-enabled soft robotics that promises to greatly reduce skin ulcerations and pain in patients who have had an amputation between the ankle and knee. The prosthesis uses integrated pneumatic actuators to control fit, reducing volume changes and pressure ulcers.
Researchers have found a new approach to treat cancer by using plasma treatment, which induces apoptosis in cancer cells without harming normal cells. The equivalent total oxidation potential (ETOP) has been defined as a plasma dose, providing a dose-response relationship for different cell types.
Researchers showcase electrospun nanomaterials' advantages over conventional materials for wearables. They offer enhanced porosity, breathability, and biocompatibility, enabling rapid charging, high energy storage capacities, and comfortable wearability.
Scientists review recent experiments and find noise regulations may need to be changed to protect marine mammals from pile driving noise. The current guidance is 7 years old and may not provide sufficient protection for species like harbor porpoises and seals.
Numerical simulations show that sonic booms can be prolonged by the shape of cities, with narrower streets introducing more complex boom propagation. The researchers aim to investigate this phenomenon further to better understand its impact on noise levels in urban areas.
Researchers studied the sizzling sound of deep-frying, finding three types of bubble events: explosion cavity, elongated cavity, and oscillating cavity. These events produced distinct acoustic characteristics, which could lead to future applications like acoustic sensing of aerosol generation.
Computational fluid dynamics simulations reveal the formation of shock wave patterns during champagne cork popping. The study's findings could provide insight into supersonic flow behavior in various applications.
Researchers analyzed urban magnetic fields to understand city health and provide insights for preventative studies. They discovered differences between Berkeley and Brooklyn, with Berkeley reaching near-zero magnetic activity at night.