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Urban sprawl stunts upward mobility, University of Utah study finds

A recent study by University of Utah professor Reid Ewing found that urban sprawl significantly reduces upward mobility, particularly for children born into low-income families. The study showed that compact areas tend to have higher rates of social mobility compared to sprawling areas.

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.

New SIR-Network Model helps predict dengue fever epidemic in urban areas

A new mathematical model helps researchers predict the spread of dengue fever in urban areas by analyzing neighborhood conditions and human travel patterns. The SIR-Network model reveals that central neighborhoods are crucial hubs for transmission, emphasizing the need for countermeasures before epidemics peak.

A mathematical model for animal stripes

Researchers assembled various models into a single equation to identify the variables controlling stripe formation. The integrated model predicts three main perturbations that can affect how stripes orient, including changes in production and parameter gradients.

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.

Mathematical model suggests select DCIS patients could delay treatment

A mathematical model developed by Duke researchers suggests that active surveillance could be a viable alternative to surgery and radiation for select patients with ductal carcinoma in situ (DCIS). The study found that older women and those with serious health problems may benefit from delayed treatment, while younger women may not. Th...

Biophysicists develop a model for arterial thrombus formation

Researchers created a one-dimensional model of thrombus formation, similar to Tetris, and later expanded to a two-dimensional model. This allows them to study the dynamics of thrombus growth under various conditions, including damage to the vascular wall.

An online game reveals something fishy about mathematical models

Researchers from Uppsala University implemented a Turing test to assess how good their mathematical models were at reproducing collective motion of real fish schools. Despite matching statistical properties, experts and public players could differentiate between simulated and real schools, highlighting areas for improvement.

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.

Control of blood vessel formation

Researchers from Kumamoto University and The University of Tokyo have elucidated the control of cellular movement during blood vessel formation, showing that tip cells and trailing cells move at different speeds and directions. This study provides new insights into the complex cellular motion involved in blood vessel proliferation.

How chickens walk holds clues to how they spread disease

A mathematical model of chicken walk patterns may help farmers predict and prevent the spread of disease in their flocks. By analyzing patterns of movement, researchers can identify high-risk areas and develop strategies to minimize losses.

Scientists refine model to predict dangerous errors in cell division

Researchers at Virginia Tech have refined a mathematical model that simulates genetic mutations and their impact on cell division. The model's accuracy has been improved through laboratory experiments and is expected to be useful in understanding how certain mutations thrive and reproduce, particularly in the context of cancer.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Insects passed 'the Turing Test'

Russian scientists confirm Turing reaction-diffusion model's predictions in insect corneas, revealing four main morphological patterns and their universal presence among arthropods. The findings demonstrate a promising future for designing artificial antireflective nanosurfaces.

Caught in a complex web

A new general consumer-resource model spans centuries of food web models, capturing underlying structure and providing a framework for new models. This concept has far-reaching implications for fields like resource management, conservation, and agriculture.

SIAM's Ralph E. Kleinman Prize goes to George Em Karniadakis

Brown University professor George Em Karniadakis has been awarded the Ralph E. Kleinman Prize by SIAM for his contributions to applied mathematics, specifically in computational fluid dynamics and stochastic modeling. The $5,000 prize recognizes his research bridging high-level mathematics with practical applications.

How to predict ICU bed occupancy and manage it effectively

A mathematical simulation model predicts ICU bed occupancy and optimizes resource allocation by considering patient admissions and length of stay data. This approach enables healthcare managers to make informed decisions about bed capacity and resource allocation.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Researchers find mass killings, school shootings are contagious

A study by Arizona State University researchers found that mass killings and school shootings in the US are contagious, with a contagion period of approximately 13 days. The analysis revealed that roughly 20-30% of such tragedies are inspired by previous events, highlighting the complex dynamics underlying these incidents.

Liquids on fibers -- slipping or flowing?

Researchers at Saarland University have found that liquid films on fibers can slip faster than flow along the fiber, leading to faster droplet formation. The team's study has important implications for designing novel fiber coatings for water harvesting applications.

Mathematical models with complicated dynamics for disease study

A new mathematical model investigates the impact of individual movement on infectious disease spread, finding that spatial dispersal can create up to nine stable equilibria. The study highlights the importance of considering both backward bifurcation and spatial mobility in epidemiology.

Meta Quest 3 512GB

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

Ants' movements hide mathematical patterns

Researchers have discovered that ants' movements follow Gaussian and Pareto distributions, dictating their turns and direction. These findings have implications for coordinating micro-robots and optimizing cleaning processes.

Simons Foundation honors UMass Amherst mathematician

HongKun Zhang will use the $100,000 award to work with colleagues in France and St. Louis on a mathematical conjecture arising in statistical mechanics. Her research aims to improve conceptual understanding of physical systems and predict their behavior.

Is blood really thicker than water?

Researcher David Queller and colleagues tested an alternative mathematical model to inclusive fitness theory, finding it equivalent in predictions. The model's assertions were disputed, with Queller arguing that varying relatedness undermines the Harvard authors' claims about eusociality.

The building blocks of the future defy logic

Researchers at University of Malta develop a mathematical model to explain the unusual behavior of auxetic materials, which grow wider when stretched. The model has potential applications in biomedicine, catalysis, and smart materials for healthcare and beyond.

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.

Making sense through order

A study by Ting Qian and Richard Aslin shows that our brains are wired to detect patterns in data, even if they don't lead to correct conclusions. This tendency is built into cognitive processes, providing information on possibilities that might not have been considered otherwise.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Adding uncertainty to improve mathematical models

Researchers from Brown University have introduced a new element of uncertainty into Burgers' equation to describe turbulence and shocks in fluid flows. This formulation aims to make mathematical models more realistic by accounting for external influences such as terrain, which was previously ignored in standard equations.

Mutations from Venus, mutations from Mars

Researchers at Weizmann Institute of Science discover that genetic mutations affecting only half the population, like those causing male sterility, occur twice as often as those affecting males and females equally. This finding has implications for understanding causes of genetic diseases and developing targeted treatments.

MIPT-based researcher models Titan's atmosphere

A researcher from Moscow Institute of Physics and Technology has developed a reliable mathematical model of Titan's atmosphere, which matches the latest data surprisingly well. The model takes into account various chemical reactions between neutral molecules and ions in the upper layers of Titan's atmosphere.

Apple iPhone 17 Pro

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

Mathematical model illustrates our online 'copycat' behavior

A new study reveals that users tend to be swayed by recent activity of their friends on Facebook, rather than relying on best-seller lists. The researchers developed a mathematical model to capture the dynamics at play, finding that the 'copycat' tendency plays a strong role in online behavior.

Using math to analyze movement of cells, organisms, and disease

Mathematicians develop models to describe cell migration and tumor invasion, as well as dispersal patterns in species. The studies reveal the existence and uniqueness of traveling waves in malignant tumor invasion and show how fitness-dependent dispersal conveys advantages towards ideal free distribution in populations.

Can we see the arrow of time?

A team of researchers has developed an algorithm that can determine whether a video is running forward or backward with 80% accuracy. The algorithm analyzes subtle visual cues and identifies regions of frames to make its judgments, potentially leading to more realistic graphics in gaming and film.

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.

Researchers take mathematical route to fighting viruses

Researchers at the University of York and University of Leeds have developed a mathematical model that explains the molecular mechanisms behind virus assembly. The discovery opens up possibilities for the development of anti-viral therapies and could help treat diseases such as HIV, Hepatitis B and C, Norovirus, and the Common Cold.

Optimizing donor kidney distribution in the United States

A mathematical model simulates and optimizes donor kidney distribution to ease regional inequities and potentially save hundreds of lives. The model identifies areas for policy changes, including sharing within states and transplanting lower-quality kidneys.

An earthquake or a snow avalanche has its own shape

Researchers studied computer simulations and found distinct forms of events, which were later confirmed through experiments. The study's findings show that the shape of an avalanche holds more information than traditional indices.

Traffic jams lend insight into emperor penguin huddle

A mathematical model recreated the positions and movements of individual emperor penguins in a huddle, showing that an individual penguin only needs to move 2 cm for its neighbor to react. The model revealed how travelling waves propagate through the entire huddle, keeping it dense and protecting the birds from the cold.

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.

Arresting model stops cars

Researchers in China have developed a mathematical model to design flexible vehicle-arrest systems that increase stopping distance and dissipate kinetic energy without destruction. The new system could lead to the development of intelligent vehicle-arrest systems with improved control at roadblocks and checkpoints.

How vegetation competes for rainfall in dry regions

Researchers use mathematical models to predict vegetation pattern formation in dry environments. The Klausmeier model determines the critical rainfall level needed for banded vegetation patterns to form. This study has significant implications for land management and environmental concerns.

Celestron NexStar 8SE Computerized Telescope

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

Fractions gain traction with concrete models

A study by Concordia University found that students grasp math more easily when real-world examples are used. Teachers should continually make connections between abstract numbers and models, making the concept of fractions clearer.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Dissecting the distinctive walk of disease

Researchers propose a new motion test that examines various walking features in healthy and clinical populations, identifying critical changes in mobility. The study uses advanced mathematical computations to extract data from accelerometer signals, showing significant differences between healthy and clinical groups.

Complex activity patterns emerge from simple underlying laws

A study using ant experiments and mathematical modeling reveals flexible resource management and characteristic responses by group-living animals. The findings suggest a regime of chaos offers more options for groups than following environmental cycles.

Mathematical models to better combat HIV

Theoretical mathematical models can help analyze viral dynamics in the early phase following exposure to HIV, providing insights into therapeutic and prevention strategies. The models suggest that reverse transcriptase inhibitors are more effective than protease inhibitors for PrEP, while fast initiation of treatment is crucial for PEP.

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.

A new mathematical model for how society becomes polarized

A new mathematical model, based on biased assimilation, shows that polarization stems from people's tendency to accept evidence supporting their opinions and discredit opposing views. The model, developed by Stanford researchers, aims to create Internet-based social systems that counteract polarization.

Ketchup turns somersaults

Researchers at Technical University of Munich created a numerical model to study complex fluids, such as ketchup, which exhibits unusual behavior when shaken. The model explains the effects of long-chained polymer molecules on flow resistance, providing new insights into the microscopic mechanisms driving these phenomena.

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.

Wars on editing Wikipedia articles, uncovered

A study by CSIC researchers reveals two main types of behaviors in collaborative Wikipedia editing: clashes with rapid agreement, and interactions between three groups with varying levels of consensus. Despite initial disagreement, opposing opinions tend to converge over time through the article's content.