Articles tagged with Pattern Formation
A new study reveals that the presence of older fish accelerates bar loss in young tomato anemonefish, a process linked to social hierarchy and environmental adaptability. The researchers suggest this may be an insurance policy against invasion, with younger fish losing their bars as they are accepted into the group.
Researchers identified small clusters of interacting components that act as amplifiers, triggering outsized reactions in complex systems. These clusters can control how strongly a system reacts after a disruption, and their presence can determine the stability of entire systems.
Scientists have developed a new mechanism for how animal patterns form and incorporated imperfections to mimic natural designs. The study, published in Matter, uses a combination of chemical agents and diffusing particles to create variations in pattern sizes and shapes.
Researchers from Poland, USA, and Slovenia found a mathematical description of stalagmite shapes, revealing that shape matters for climate science. The study provides an analytical solution for the growth of ideal stalagmites in constant cave conditions.
A research team at DGIST developed a Direct Optical Lithography (DOL) technology that patterns Quantum Dots (QDs) at ultra-high resolution, improving color reproduction and device performance. The technology achieved 2 μm patterning with excellent precision and stability.
A team of scientists from the University of Warsaw discovered that karstic solution pipes preserve a record of Earth's climatic history. The pipes evolve into an invariant shape as they deepen, encoding ancient rainfall patterns.
A new AI model developed by Uppsala University accurately diagnoses multiple sclerosis (MS) with an overall accuracy of 90%, identifying the transition from relapsing-remitting to secondary progressive MS in almost 87% of cases. This enables earlier diagnosis, reducing the risk of patients receiving ineffective medicines.
A new study maps the daily movement of cyanobacteria in Florida's largest freshwater lake, revealing how these harmful algal blooms form and behave. The research provides critical insights into managing the risks associated with cyanobacteria blooms.
Researchers used fossil data to predict the home range of Protemnodon, an extinct giant kangaroo, finding it had a smaller foraging range than expected. Climate change and habitat disruption led to local extinction when this small range could not find enough food.
A new study by Prof. Ariel Chipman provides a novel model for understanding the development and evolution of arthropod body plans, tracing patterns back to ancient embryonic processes. The research uncovers a deep evolutionary logic behind the segmented body plans that define the world's most diverse animal group.
Engineers at Duke University have demonstrated a method to create stable optical knots using laser beams, which could be used to transmit encoded information or measure turbulence in pockets of air. The team found that by adding more squiggles to the knot's features, they could make it stable for longer and resist degradation.
Researchers at the University of Missouri's Thompson Center for Autism and Neurodevelopment have found that behavior at 9 months old can indicate a 1-year-old's likelihood of being at risk for autism. Parent surveys reported fussiness, irritability, and difficulty calming down were associated with early signs of autism by 12 months.
A new study published in Newton uses artificial intelligence to identify complex quantum phases in materials, significantly speeding up research into quantum materials. The breakthrough applies machine-learning techniques to detect clear spectral signals, allowing for a fast and accurate snapshot of phase transitions.
Researchers discovered that normal pancreatic cells can temporarily retain 'memory' of cancer-linked epigenetic marks, even in the absence of genetic mutations. This finding suggests a key role for epigenetic memory in cancer development and may explain increasing cancer rates in young people.
Researchers found that Earth's first crust, formed 4.5 billion years ago, likely had chemical features similar to modern continental crust, rewriting the geological timeline. This suggests the distinctive chemical signature of continents was established at the beginning of Earth's history.
A mass mortality event occurred in Triassic Wyoming, where dozens of giant amphibians called metoposaurid temnospondyls died together on an ancient floodplain. The study provides a unique snapshot of a single population and doubles the known number of individuals of the species Buettnererpeton bakeri.
The study analyzed microbial communities on the China Space Station, revealing common characteristics of environmental microorganisms during long-term human residence. The findings provide a baseline for microbial safety measures and advance research consensus on microbial adaptation capabilities in space.
Researchers conducted a simulation on North Atlantic Oscillation (NAO) origins and evolution. The study found that NAO emerged around 80-60 Ma due to land-sea temperature contrast and Rocky Mountain uplift (~40 Ma). This understanding provides insights into past climate variability and improves climate prediction models.
Researchers have developed a new photopolymerisation reaction controlled by two different colours of light, enabling the creation of solid polymeric materials with resolutions below millimetres. This method allows for precise spatiotemporal control and could improve the performance of 3D printing processes.
Researchers discover Dscamb protein regulates spacing between color-detecting cells, ensuring perfect arrangement for optimal vision. The protein acts as a 'self-avoidance enforcer' to maintain proper distances between cone cells.
The device enables precise control over terahertz wave polarization, revolutionizing applications such as data transmission, imaging, and sensing. This innovation promises to transform fields like wireless communication and biomedical imaging.
Researchers have experimentally confirmed complex synchronisation patterns in oscillatory systems, including leaf-like structures and gaps representing unsynchronised states. This breakthrough builds on previous studies using breathing-soliton lasers to explore nonlinear dynamics.
Researchers developed a compact, solid-state laser system that generates 193-nm coherent light, marking the first 193-nm vortex beam produced from a solid-state laser. This innovation enhances semiconductor lithography efficiency and opens new avenues for advanced manufacturing techniques.
A team led by Dr. Marcus Botacin is creating a large language model (LLM) to automatically identify malware and write rules to defend against it. The LLM will use signatures to complement human analysts' skills, identifying malware faster and more accurately.
A new AI model developed by Tokyo University of Science's researchers predicts dendritic growth in thin films, offering a powerful pathway for optimizing thin-film fabrication. The model analyzes morphology using persistent homology and machine learning with energy analysis, revealing conditions that drive branching behavior.
Researchers at Osaka Metropolitan University developed new formulas to calculate key quantum informative quantities, including entanglement entropy and mutual information. These simplified expressions offer fresh perspectives into quantum behaviors in materials with different physical characteristics.
A recent study by Professor Mamas highlights the significant risk of cardiovascular diseases (CVD) in patients with cancer, particularly in aging populations. The review emphasizes the need for early diagnosis and regular monitoring to improve quality of life.
A recent study published in Nature Communications provides detailed data on the far-field spatial footprint of mining-induced plume dispersion and redeposition beyond the mining area. The research found that sediment concentrations were up to 10,000 times higher near the mining site and returned to normal levels after 14 hours.
Researchers at USC Dornsife College of Letters, Arts and Sciences have made a breakthrough discovery about how tiny protein clusters form in cells. These nanoclusters play a crucial role in mechanotransduction, a process that fails in people with Emery-Dreifuss muscular dystrophy, leading to muscle weakness and heart problems.
Researchers have found that similar patterns of cracks on planets Earth, Mars and Europa may indicate past water presence and potential life. The study uses a mathematical framework to analyze two-dimensional fracture networks across the solar system.
Researchers developed a new material inspired by the Venus' flower basket deep-sea sponge, showcasing remarkable compressive strength and stiffness. The double lattice design overcomes limitations of existing auxetic materials, offering potential applications in construction, sports gear, and medical devices.
Camille Bilodeau's project uses AI and molecular simulations to design peptide-covered surfaces for targeted applications, including new medicines, water desalination, and semiconductor manufacturing. Her research group aims to develop a rapid predictive tool to understand surface-water interactions of tethered peptides.
Researchers found that individual honeybee dance styles, rather than consistency, contribute to successful food foraging. Bees with diverse communication methods were more likely to recruit others who successfully found food.
Research advances higher-order networks to capture multi-agent interactions, enabling accurate modeling of biological, social, and physical systems. The Dirac-Bianconi operator provides a powerful generalization of the graph Laplacian, encoding local and global interactions across different topological dimensions.
A new study by the University of Birmingham found that everyday stress, loneliness, and childhood trauma are significant risk factors for dissociation in teenagers and young adults. The research identified four key risk factors, with everyday stress being the most significant.
Two studies led by Dr. García-Moreno reveal birds' unique brain evolution, showing convergent evolution of neural circuits without homologous ancestors. Birds retained inhibitory neurons for hundreds of millions of years, while excitatory neurons evolved in new ways, highlighting the evolutionary flexibility of brain development.
Researchers discovered that mantis shrimp's armored clubs selectively block high-frequency sound waves to prevent damage. The layered patterns act as a shield against vibrations, enabling the shrimp to preserve its striking ability over multiple impacts.
Lauren Berger, a Texas A&M University doctoral student, has been awarded a prestigious FINESST grant from NASA to study Martian dunes. She aims to analyze the shapes and patterns of compound dunes on Mars using high-resolution images, comparing them to similar dunes on Earth.
A team from Osaka Metropolitan University has developed a crystal patterning method that controls the position and orientation of photochromic crystals, known as diarylethenes. This breakthrough allows for the creation of convex structures with precise control over crystal shape and size.
A new computational model reveals how place cells in the hippocampus can store episodic memories, including those of events without a spatial component. The model proposes that grid cells form a scaffold that anchors memories and drives recall by connecting to sensory cortex.
Engineers developed a scalable method for creating topography-patterned aluminum surfaces with high-resolution wettability contrast. The surfaces exhibit distinct behaviors from superhydrophobic to hydrophilic, offering improved phase-change heat transfer applications.
The Nick Cobb Memorial Scholarship honors an exemplary graduate student in the field of lithography. Clay Klein, a PhD candidate at JILA and the University of Colorado, Boulder, will receive the $10,000 award for his research on EUV scatterometry and its applications.
A UVA professor has made new discoveries about electron kinetic behavior within plasma beams, potentially revealing the 'shape' of future space technology. The findings could lead to more efficient and reliable electric propulsion systems for long-duration space missions.
A study published in Chinese Medical Journal explores the use of artificial intelligence to identify potential medications for treating glaucoma. Researchers used AI models to predict the effectiveness of small-molecule compounds targeting RIPK3, a key signaling molecule involved in programmed cell death.
Researchers discover surface chemistry unlike other centaurs on Chiron, with carbon dioxide and methane gases in its coma. The findings provide insight into the creation of our Solar System's origins and the unique processes producing Chiron's surface composition.
Researchers create multilayered chip design that doesn't require silicon wafer substrates, allowing for better communication and computation between layers. This breakthrough enables the construction of fast and powerful AI hardware comparable to supercomputers.
Researchers created human stem cell models containing notochord, a tissue guiding spine and nervous system formation. The model's chemical signals organize surrounding tissue similarly to natural development, enabling studies of developmental conditions and disorders.
Researchers found that babies' first vocalizations and attempts at forming words coincide with fluctuations in their heart rate. This discovery may indicate that successful speech development depends on predictable ranges of autonomic activity during infancy.
Researchers use real-time neuroimaging and neurofeedback to modify brain activity patterns, enabling faster learning and treatment of psychiatric disorders. The study demonstrates the ability to inscribe new patterns into the brain without physical manipulation.
Renowned researcher Iain Couzin has received the 2024 Fyssen International Prize for his groundbreaking work on collective behaviour across species. His research, which explores how coordinated patterns emerge from individual behaviours in diverse animal systems, significantly advances our understanding of group dynamics.
Scientists at Lund University and Hokkaido University have successfully synthesized 2D gold monolayers with remarkable thermal stability and potential catalytic utility. The team used a novel bottom-up approach combined with high-performance computations to create macroscopically large gold monolayers with unique nanostructured patterns.
Scientists at MIT developed a fully integrated photonic processor that can perform all key computations of a deep neural network optically on the chip. The device completed machine-learning classification tasks in under half a nanosecond while achieving over 92% accuracy, similar to traditional hardware.
A study published in PLOS Biology found that great apes and adult humans alternate attention between two subjects when observing an event, similar to human language's agent-patient relationship. This suggests that the way brains order events evolved before language.
Researchers at ISTA used miniature 2D organs and rubbery silicone molds to study morphogen signaling dynamics during spinal cord development. The study found that BMP morphogen signaling gradients emerge quickly, then fade away, only to reappear again, shedding light on the complex process of tissue development.
Researchers create system to manipulate cell behavior using 'crowd control' technique, enabling predictable patterns and structures. Cell density plays key role in guiding cellular development, offering potential for medical applications such as tissue engineering and organ regeneration.
The Crab Pulsar features a unique zebra pattern due to diffraction in the electromagnetic pulses caused by its dense plasma. Researchers have proposed various emission mechanisms, but none have convincingly explained the observed patterns until now.
Scientists discovered that cyanobacteria align along inner edges of illuminated surfaces to create stable structures. This collective behavior arises from individual filament movement, enabling the formation of complex structures and curves.
Researchers developed wide-incident-angle radio-wave absorbers for mmW and THz frequencies, enhancing antenna beamforming and steering. The absorbers achieve high-performance absorption across broad bandwidths, supporting integration with advanced antenna technologies.
A new study reveals how decadal-scale climate fluctuations impact tropical cyclone frequency in response to ENSO events. The FGOALS-g3 large ensemble model shows improved performance in capturing the ENSO-affected cyclone activity, highlighting the importance of accounting for decadal variability.
Researchers analyzed data from 26 countries, revealing that Mondays have the highest suicide risk, while New Year's Day increases risk across all nations. Men are also more vulnerable to day-of-the-week and holiday-related variations in suicide risk.