Articles tagged with Natural Patterns
Researchers have uncovered a gene responsible for the unusual patterning in Snowflake clownfish, which has provided key clues toward solving the mystery of biological organization. The study suggests that a universal framework for studying pattern formation across species exists.
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.
Actin filaments and a fast plant motor protein called Chara corallina myosin XI (Cc XI) were combined to observe spontaneous ring formation. The rings rotated continuously in one direction and remained fixed, even as individual filaments moved within them.
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.
Mortality trends among US adults ages 25-44 have increased significantly between 2011 and 2023, with excess mortality remaining higher than expected post-pandemic. Drug poisoning was a major contributor to the largest portion of 2023 excess mortality.
Researchers used synchrotron X-ray tomography to image growth rings in fossilized tooth roots, estimating lifespans and growth rates of early mammals. The study found that the modern mammal growth pattern emerged around 130 million years ago, with earlier animals growing more slowly and living longer.
A study discovers that traditional Chinese ice-ray lattice designs can provide unique stiffness and strength under asymmetric loads, offering an alternative to conventional gridshells. The research also explores the potential of integrating complex geometry into facade design and micro-scale material design.
A recent VCU-led study found that rising temperatures can make it harder for dragonfly nymphs to control mosquito larvae populations. As a result, there could be nearly twice as many mosquito larvae reaching adulthood in warmer temperature pools.
Researchers at the University of Colorado Boulder have found that diffusiophoresis, a mechanism used in laundry cleaning, may play a role in creating animal patterns. The study suggests that pigment-producing cells are dragged through tissue by chemical agents, forming sharp spots and stripes.
Researchers have identified that ancient quakes occurred in shallow faults on the Puget Lowlands in western Washington, which could lead to another devastating event. The study used tree rings to pinpoint the dates of these quakes and found a link between them, suggesting regional hazard models may need to be updated.
A Kyoto University team reveals the Dumpy protein as the key factor in controlling 3D tissue structures through external cues. This finding challenges traditional understanding of morphogenesis and opens up new avenues for manufacturing controllable 3D tissue folding with coordinated cell behaviors.
Researchers have discovered that convection of saline water beneath the surface is responsible for the formation of hexagonal honeycomb patterns in salt deserts. The consistent size and shape of these patterns can be attributed to the unique combination of temperature, salinity, and groundwater flow.
Researchers at Cornell University have found that severe drought, lasting three consecutive years, likely accelerated the collapse of the Hittite Empire in ancient Anatolia. The team analyzed tree ring and isotope records to pinpoint this period of severe dryness, which matches the timeline of the empire's disappearance.
Experimental physicists discovered that water impurities become entrapped within icicles, creating chevron patterns and ripple effects. The study reveals that internal patterns are connected to external shapes, leading to a deeper understanding of natural ice formations.
Researchers from University of Göttingen found that plant water stress, not termites, causes Namibia's fairy circles. The grasses within the circles died immediately after rainfall due to strong depletion of water, while surrounding grasses thrived.
Fossils of ostrich-like dinosaurs from Mississippi provide valuable insights into the diversity and distribution of North American ornithomimosaurs. The discovery reveals that these dinosaurs lived side-by-side with multiple species, including giant body sizes weighing over 800kg.
A Princeton team invented a way to observe bacteria in 3D environments, finding that colonies consistently form intricate, branching shapes resembling broccoli. They discovered two factors causing these shapes: nutrient and oxygen availability, and the colony's internal structure.
Researchers at Duke University developed a new AI message decoder based on simulated bacterial growth patterns, forming corresponding letters. The method uses specific initial conditions to create unique patterns for each letter, offering a novel encryption approach.
A University of Arizona-led study uses bacteria to understand how natural patterns form through mechanical interactions. The findings suggest that just four different adhesive molecules are sufficient to create any possible tiling pattern, with implications for understanding complex multicellular life and creating biodegradable materials.
A team of researchers at the University of Rhode Island found that different types of phytoplankton respond differently to warming ocean temperatures. The study suggests that their growth rates and distribution patterns will be dissimilar, resulting in significant implications for future marine communities.
Researchers discovered that ice needles growing on frozen ground can push up rocks into regular patterns through a combination of experiments and computer modeling. Over time, stones cluster together, leaving bare patches stone-free, as the size of the stones, soil moisture, and ice needle growth interact.
A study published in Nature Communications Earth & Environment reveals that ʻopihi age, growth, and longevity are influenced by the Hawaiian intertidal environment. The research team found that ʻopihi species grow rapidly, reaching maturity within 8-9 months, and can live up to 5 years old.
A study by Michigan State University found that horseweed's growth type is influenced by environmental cues, with rosette plants emerging in response to temperature and photoperiod variations. Upright plants, resistant to glyphosate, are three- to four-fold less sensitive than their rosette siblings, making them harder to control.
Children born through fertility treatment have different growth patterns than naturally-conceived children, but by age 17, they are similar in height, weight, and BMI. ART children grew more quickly in their first 18 months and showed a similar growth pattern as subfertile parents' children.
Scientists developed a comb-like etching regulated growth process to fabricate graphene nanoribbon arrays in a template-free CVD system. The approach allows for precisely controlling over width, edge structure, and orientation of graphene nanoribbons with high quality and uniformity.
Scientists studied giraffe and elephant foraging patterns in Kenyan savannas to understand how megaherbivores impact vegetation. They found that these animals prefer flat ground while feeding, leading to reduced damage on Acacia mellifera trees on steep slopes.
The study found that suburban expansion is the predominant pattern in cities worldwide, driving inefficient and unsustainable development. Notable exceptions exist in East and Southeast Asia, where high-rise construction is on the rise.
A study published in the American Journal of Roentgenology found that fluorodeoxyglucose PET, combined with high-resolution CT, can predict invasive histopathologic subtypes of early lung adenocarcinoma. The imaging technique also showed higher SUVmax values in invasive adenocarcinomas compared to non-invasive forms.
Researchers found that Majungasaurus grew new teeth roughly two to 13 times faster than other carnivorous dinosaurs, replacing them every couple of months. This rapid tooth growth may have been due to the need to gnaw on bones to ingest certain nutrients, requiring exceptionally strong teeth.
A new study using big data reveals that many fundamental features of life, such as metabolism and growth, follow consistent relationships with body size across all creatures. This challenges the Metabolic Theory of Ecology and suggests a deep understanding of universal laws governing life's diversity.
Researchers identify three patterns of CLL growth: exponential, logistic, and indeterminate, with the former often driven by a high number of genetic alterations. The study provides insights into the molecular mechanisms underlying these differences, potentially enabling prediction of disease course.
Scientists have discovered the largest dinosaur skeleton ever found in Canada, a 13-metre-long Tyrannosaurus rex named Scotty. The ancient predator is estimated to have weighed over 8,800 kg and lived around 66 million years ago.
Researchers found that adolescent adenoids and tonsils do not shrink significantly during teenage years, contradicting previous medical consensus. This challenges existing guidelines for respiratory complications like obstructive sleep apnea, potentially leading to changes in surgical procedures.
International research teams identify key regulatory networks controlling radial growth in plants, enabling the development of more efficient carbon sinks and increased vegetable crop yields. The study reveals complex mechanisms behind plant stem cell activity and vascular tissue formation.
A Mediterranean diet during pregnancy is associated with a lower risk of accelerated growth in early infancy. Pregnant women with higher adherence to the Mediterranean diet had a 32% lower risk of having children with an accelerated growth pattern compared to those who did not follow such diet.
Researchers found that individuals living at high altitude have shorter lower arm segments but relatively similar upper arm and hand lengths compared to those living at low altitudes. This suggests the human body prioritizes energy allocation for growth, particularly in essential areas like manual dexterity.
A recent study published in Acta Paediatrica reveals that Greenlandic children are growing taller than ever before, with average heights now comparable to those of Danish children. This shift is attributed to a combination of genetic factors and improved maternal health, particularly among mothers who are obese.
Researchers at Hokkaido University have created a precise method to determine past typhoon occurrences from giant clam shells, which could help predict future cyclone activity. The team found that the shell's microstructure and chemical composition reveal data about typhoons occurring before written records were available.
The Mississippi Delta has experienced high net land loss over the past century due to human activities and sea level rise. A new study reveals that only a small portion of the delta will be sustainable in the future, as growth rates were much lower than current land loss rates.
Researchers have developed a new method to precisely map brain folds in premature infants, which could lead to early detection of developmental disorders. The technique uses 3-D imaging and computer algorithms to identify subtle patterns of growth and folding, providing a unique fingerprint for each infant's brain development.
The study provides a quantitative picture of how surface conditions control the growth of palladium nanocrystals. Researchers designed experiments to assess energy barriers on various facets, using seeds with different surface configurations chosen to have only one type of facet.
Driftwood hoppers, also known as talitrids, have evolved to thrive in marine driftwood habitats. They are characterized by their small size and reliance on symbiotic microflora for digestive purposes. The species demonstrate dwarfism due to poor diet and slow metabolism, with the smallest species measuring less than 6 mm in length.
A global study reveals that urban trees have been growing faster than rural trees since the 1960s, with an average growth rate of 20% across all climate zones. The heat island effect is believed to be the primary driver of this acceleration, leading to increased photosynthetic activity and prolonged vegetation periods.
Researchers found that over broad regions of the South Atlantic, a combination of two or three nutrients was needed to stimulate phytoplankton growth. This study provides experimental evidence for widespread nutrient co-limitation, which has implications for global ocean models and predictions about nutrient limitation.
Scientists from Harvard SEAS develop a technique to grow any target shape from any starting shape using a bilayer of elastic materials. The researchers demonstrate the system by modeling the growth of various shapes, including a flower petal and the face of Max Planck.
Researchers found that saber-toothed kittens were born with more robust bones compared to other felines, contrary to expectations. The study suggests that the growth of feline species is tightly constrained, even among species with distinct bone structures.
A new analysis of a Neandertal child's skeleton suggests that Neandertals may have experienced an extended period of brain growth compared to modern humans. The study found that the 7-year-old Neandertal had a brain size similar to that of an adult, challenging previous theories on brain development.
Researchers at the University of Liverpool have created the first evidence-based growth standards chart for dogs, allowing veterinarians to assess and monitor growth in canine patients. The study used data from over six million dogs visiting Banfield Pet Hospitals, resulting in five weight ranges with separate male and female curves.
According to a new analysis, health spending is expected to increase rapidly in high-income countries, while low-income countries are projected to see relatively slow growth. This could lead to rising out-of-pocket costs for people in emerging economies, leaving the poorest unable to afford care.
Researchers found that young fish reared in eddies grew faster and had a survival advantage compared to those outside eddies. The study's findings suggest that eddies can act as pelagic nursery areas, providing a critical head start for larval fish growth.
Scientists studying ancient mammal relatives known as therapsids found that they had shorter life expectancies and bred at younger ages to survive the drastic climate change. This adaptation allowed them to thrive in the aftermath of the Permo-Triassic Mass Extinction, which pushed billions of tons of carbon into the atmosphere.
Researchers encase Arctic plants in ice to study climate change's effects on growth patterns. To their surprise, the frozen plants exhibited increased growth in remaining undamaged shoots.
Researchers have found that young stars in Serpens South form through distinct, episodic growth spurts. CARMA-7 experienced 22 episodes of gravitational push-pull during star formation, indicating a chaotic environment common for star birth.
Pediatric researchers have developed new growth charts for U.S. children with Down syndrome, providing a tool for pediatricians to evaluate growth patterns and nutritional status. The new charts show improvements in weight gain and height for children under age three, while also creating BMI charts to screen patients for excess body fat.
UCSB computer scientists create natural models of user behavior using anonymized clickstream data from popular apps and social media sites. They aim to identify abnormal behaviors that could indicate security risks.
The Lancet has published new international growth standards for fetal development, providing accurate measurements of ideal growth from conception to birth. These standards will help identify signs of under-nutrition, stunting, wasting, and overweight in newborns, enabling early intervention to reduce long-term health problems.
Apert syndrome is caused by FGFR2 mutations, leading to early bone fusion, mid-facial deformation, and cognitive impairment. Researchers found that 3D imaging can estimate growth patterns and anticipate surgical outcomes, potentially improving patient-centered care.
A new study found that tree growth rate increases with size, with older trees removing a larger share of carbon from the atmosphere. This means that massive, old trees can remove huge amounts of carbon through photosynthesis, playing a disproportionate role in the global carbon cycle.
Researchers found that engineered bacteria use time as a cue to form predictable ring patterns, contradicting established theories. This discovery has implications for understanding pattern formation in biology and could lead to the creation of biological scaffolds for new materials with energy applications.