Articles tagged with Morphology
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.
A team of biologists discovered a group of annelid worms that have remained largely unchanged for 275 million years, despite their distinct genetic makeup. The Stygocapitella worms' slow evolution is attributed to their adaptation to stable environments, with changes potentially linked to population crashes or developmental constraints.
Researchers have discovered a new species of goby, Larsonella pumilus, off the coast of Okinawa, revealing insights into its habitat and relationships with other deep-sea fish. The discovery was made at a depth of 214 meters, making it the deepest recorded finding of the species.
Researchers analyzed hundreds of hyolith fossils and discovered soft parts with tentaculate feeding organs, challenging the current phylogenetic placement. The findings suggest that hyoliths likely occupied a more basal position in the Lophophorata, contrary to previous assumptions.
A new software tool called Fungal Feature Tracker can analyze images of filamentous fungi to quantify their spores, branch networks and growth patterns, enabling faster data collection than traditional manual techniques. This advancement could improve our understanding of fungal biology and morphology.
A UCF team led by Veronica Urgiles has discovered and named two new frog species found in high-elevation ecosystems of Ecuador. The team's research highlights the vast diversity of species yet to be discovered in the region, which is critical for conservation efforts.
A new rat snake species, Elaphe urartica, has been identified in eastern Turkey and its range includes Turkey, Azerbaijan, Armenia, Georgia, Iraq, Iran, and Russia. The discovery sheds light on the biogeography of the Blotched Rat Snake and fills an important piece of the Eurasian biota evolutionary puzzle.
A tiny millipede measuring only 8.2 mm was discovered in 99-million-year-old amber in Myanmar, drastically deviating from its contemporary relatives. The species, Burmanopetalum inexpectatum, is the smallest amongst its order and has been classified into a new suborder, showcasing the diversity of ancient arthropods.
Researchers have achieved a remarkable power conversion efficiency of over 16 percent for single-junction organic solar cells. The breakthrough is attributed to the use of a newly designed wide-bandgap polymer P2F-EHp with an appropriate HOMO energy level, which enables optimal morphology and complementary absorption profile.
Researchers at Osaka University found that the angle of male flies' genitalia is crucial for successful reproduction, with males having ideal dorsoventral direction having greater copulation success. The study suggests a cooperative evolution between morphology and behavior in dipterans, with implications for pest control.
A new fossil discovery reveals defining characteristics of hagfish appeared before the Cretaceous period, resolving a longstanding debate on their evolutionary position. The study suggests that hagfish and lampreys form a distinct clade, implying that living jawless vertebrates may not be as primitive as initially thought.
Researchers are conducting a comprehensive study of the walking cavefish to better understand the 'fin-to-limb' transition that enabled the first vertebrates to walk on land. The project aims to identify the genomic, morphological and mechanical qualities that enable fish to walk on land.
The new solar cells, developed using a chlorinated polymer donor, achieved a power conversion efficiency (PCE) of 9.03% and enhanced build-in potential and morphology. This approach is an effective way to boost the PCE of all-polymer solar cells.
Ancient DNA analysis reveals extinct Jamaican monkey Xenothrix, which diverged from Cheracebus monkeys around 11 million years ago. The study suggests that adaptation can shape species morphology in novel environments, supporting primate colonization of the Caribbean islands.
A study using high-resolution MRI found that domesticated rabbits have reduced amygdala size and enlarged medial prefrontal cortex compared to wild rabbits. This led to a diminished flight response and slower reaction time, as the brain's white matter structure was also compromised.
Homo naledi had a small endocranial volume, suggesting a small brain compared to other Homo species. The study found occipital lobe asymmetry and lunate sulcus morphology similar to that seen in modern humans.
A new study reveals that thermal physiological differences allowed Greater Antillean anoles to occupy different microclimates, facilitating species coexistence. The research found that species diverged in thermal tolerance and sprint performance, with warmer environment species having higher maximum temperatures and optimal temperatures.
The American Association of Anatomists has awarded its Young Investigator Awards to Bhart-Anjan Bhullar, Elçin Ünal, Maksim Plikus, and Helen Bateup for their groundbreaking contributions to cell biology, neuroanatomy, and developmental biology. These young scientists have made significant advancements in understanding the structural f...
A Brazilian study found that silky anteaters are comprised of at least seven different species, contrary to the long-held assumption of a single species. Genetic analysis and geometric morphometrics revealed distinct differences in DNA and morphology among the six newly identified species.
The authors propose a scalable and cost-effective preparation protocol for low-dimensional polyion complex nanomaterials with tunable morphologies. The protocol, called PIESA, enables the synthesis of biorelevant nanostructures with controllable shape and charge state.
Researchers from Princeton University and Uppsala University report the origin of a new lineage of Darwin's finches through hybridization between two distinct species. The study reveals that reproductive isolation was established in just two generations, with the new lineage becoming ecologically competitive and unique.
Researchers analyzed over 260 wasp specimens to identify all species and determine their distribution. The study reveals three distinct species within the Polistes gallicus complex and a new species from Morocco, Polistes maroccanus.
DFNS has been used in various applications including photocatalysis, solar cells, energy storage, CO2 capture, biomedical applications and environmental remediation. Its unique fibrous morphology provides enhanced accessibility to active sites and improved light harvesting properties.
Researchers from the University of Zurich have identified a distinct third species of orangutans, Pongo tapanuliensis, through genomic and morphological analysis. The Tapanuli population is believed to be direct descendants of the first Sumatran population and has been isolated for at least 10,000 years.
Researchers analyzed nasal morphologies to infer Neanderthal soft tissue, finding that cold-adapted nasal configurations evolved independently in both species. Computational fluid dynamics simulations showed faster air warming and humidification rates in Neanderthals compared to modern humans.
A female Viking warrior was confirmed as a military leader through genetic analysis of her remains, challenging the long-held assumption that only men held high ranks in battle. The study used ancient DNA to identify the woman's sex and revealed a more complex understanding of Viking society.
A study using artificial intelligence has found that automated embryo assessment systems are more accurate than those of embryologists, with a 76% accuracy rate. The system uses mathematical variables from time-lapse images to classify embryos automatically, reducing human error and improving predictive value.
Scientists from Japan have made the first non-destructive morphological observations of the fleshy brittle star Asteronyx loveni using micro-computed tomography. The study, funded via crowdfunding, provides new insights into the species' skeletal ossicles and soft tissues.
New study suggests that ancient humans entered South America in at least two waves of population dispersals from Asia. The findings, published in Science Advances, rely on a pioneering method to analyze cranial morphology and contemporary genomic data, providing new insights into the complex narrative of human migration.
A new species of testate amoeba, Arcella gandalfi, has been identified in South America with a unique funnel-shaped carapace resembling Gandalf's hat. Its color ranges from light yellow to brown and is considered large for a single-celled organism.
A novel murine model reveals MTU1's importance in regulating mitochondrial protein translation and embryonic development. The study found a conditional knockout mouse line with liver-specific MTU1 deficiency exhibited signs of liver damage, altered metabolism, and increased FGF21 levels.
A study published in Avian Research has confirmed the Hen Harrier and Northern Harrier as two distinct species using genomics and molecular phylogenetics. The classification will aid national conservation efforts, particularly for the European Hen Harrier under threat from grouse hunts.
A study published in PLOS ONE identifies three new cryptic species within the Tegu lizard family, including subtle differences in leg scale morphology and substantial genetic divergence. The discovery may aid conservation efforts for these heavily exploited species.
A newly discovered fossil sea urchin has been found in Texas, pushing the evolution of this type of sea urchin back by 10 million years to the Roadian age. The discovery provides valuable insights into the processes that occur during major evolutionary changes.
Researchers at Oak Ridge National Laboratory have developed a new solvent-based method to manufacture ultrathin films used in organic bulk heterojunction solar cells. This method eliminates the need for thermal annealing, resulting in improved film morphology and increased photovoltaic performance.
The discovery of Tetrapodophis amplectus, a four-legged snake fossil from Brazil's Crato Formation, supports the idea that snakes evolved from burrowing ancestors. The species' unique features, including short snout and flexible jaw, suggest it was adapted for grasping prey or clasp during mating.
Stan Yavno's research on non-native pumpkinseed sunfish found high levels of morphological plasticity, facilitating their ecological adaptations in new areas. This finding is significant as it suggests that invasive species can outcompete native populations through phenotypic plasticity.
Scientists have identified two new iguanid lizard species from the Laja Lagoon in Chile, expanding our knowledge of the region's unique reptilian diversity. The study describes two new species within the Liolaemus elongatus-kriegi complex, highlighting the importance of continued research into Patagonian lizards.
A 2-year-old Neanderthal child's skeleton has yielded new insights into the species' anatomy, including a complete stapes ossicle. This finding highlights significant morphological differences between Neanderthals and humans, with the exact relation to hearing in Neanderthals still unknown.
The oldest known crab larva was recently discovered in a fossil, dating back 150 million years. The specimen's morphology is remarkably modern, resembling that of present-day crabs. This finding provides unique insights into the evolution of brachyurans and suggests early specialization of larvae within the crab lineage.
A new study on echinoids shows that evolutionary rates were lowest at the group's onset and increased over time through bursts associated with changes in feeding strategies. This challenges traditional views of evolution, suggesting a more complex history for many clades.
Researchers have discovered two new species of Palythoa anemones living in cracks and caves of coral reefs, lacking zooxanthellae. The species exhibit unique morphological features adapted to their dark habitats, providing insights into parallel evolution.
A study of rock sponges found that morphology-based taxonomies do not accurately reflect their genealogical relationships. Molecular genetic investigation combined with fossil analysis reveals that traditional classifications are often incorrect.
Researchers uncovered a third unknown species of freshwater shrimp, similar to Palaemon ivonicus, with genetic data revealing divergent lineages about 10 million years ago. This study highlights the importance of molecular tools for discovering new species in complex environments like Amazonia.
A new study found that eels' biting behavior led to remarkable diversification of skull shapes, whereas suction feeding constrains most fish. The research mapped out evolutionary relationships among eel species and their relatives to understand the factors promoting morphological diversity.
Scientists discovered a new land snail species, Aegista diversifamilia, in eastern Taiwan, confirming previous suggestions of cryptic species within the previously identified A. subchinensis. The new species is larger and has a different shell shape than A. subchinensis, highlighting the importance of biogeographic barriers.
The study found that the non-dominant hand played a vital role in shaping modern human hand morphology, particularly in stone tool production. The researchers discovered that the thumb on the non-dominant hand was stronger and more robust than the fingers, enabling early humans to securely manipulate stone cores.
GnRH neurons in rat preoptic area undergo morphological changes during puberty, including inverted Y distribution pattern and increased spine-like processes. These findings provide insight into reproductive maturation and GnRH regulation.
Researchers have successfully reproduced morphological changes in mice teeth that occurred over millions of years, mirroring those found in fossil records. The study used genetic modifications to induce changes in tooth development, providing insight into the mechanisms driving evolutionary transitions.
A new species of narrow-mouthed frog, Chiasmocleis quilombola, was discovered in the Atlantic Forest of Espírito Santo State, Brazil. The species is tiny, reaching only 14mm in length, and its heroic name refers to the quilombos communities that provided refuge for escaped slaves.
A study reports the occurrence of a synanthropic derived form of Chrysomya megacephala from Tamil Nadu, India, providing morphological and molecular characterization. This finding is significant for forensic investigations as it aids in determining post-mortem intervals.
Researchers found that 3-n-butylphthalide improved neuronal morphology in the cerebral cortex and hippocampus, reducing oxidative stress caused by chronic cerebral ischemia. The compound also inhibited amyloid beta accumulation and improved cholinergic function in rats with chronic cerebral ischemia.
A new study confirms three species of alligator snapping turtles, including two recently discovered, are threatened by conservation efforts. The turtles' restricted range and habitats make them vulnerable to catastrophic events such as chemical spills or river pollution.
A new species of horseshoe worm, Phoronis emigi, has been discovered in Japan after a 62-year gap, shedding light on the global diversity of the Phoronida phylum. The discovery is significant as it highlights the need for further investigations to reveal additional species.
A study published in PLOS ONE has clarified the number of moa species that existed, with researchers using a DNA barcoding technique to determine species status for the extinct Euryapteryx moa genus. The findings suggest that two species likely existed and possibly some subspecies, revealing complex species status.
A new study on cryptic worms reveals that their ancestors had a highly complex muscular body plan, which is lost in the adult stage. The findings suggest that the common ancestor of aplacophorans and polyplacophorans was similar in complexity, implying that the worm-like groups lost these traits over evolutionary time.
Researchers at NASA and the University of Florida create single fixation protocol to study plant growth in space, allowing analysis of both molecular and morphological features. The new method uses RNA later and low-temperature scanning electron microscopy to preserve tissues without damage.
Researchers developed a 3D digital visualization model of healthy human cervical nerves, overcoming milling limitations and providing realistic 3D images. The model reveals the morphology, distribution, and spatial relations of major nerves in the neck, aiding anatomical teaching and regeneration research.
A new species of white toothed shrew was discovered in Vietnam through molecular analysis, revealing the misinterpretations of previous morphological studies. The study also confirmed the existence of previously overlooked separate species within the genus Crocidura.
The 'cheetah-cub robot' boasts excellent auto-stabilization characteristics and can run nearly seven times its body length in one second. Its design is based on the meticulous observation of feline leg morphology, featuring springs to reproduce tendons and actuators to replace muscles.
A recent study uses DNA sequencing to identify five new species of lichen-forming fungi, highlighting the importance of recognizing cryptic diversity in various ecosystems. The research also provides a reference database for specimen identification, enabling more accurate and reliable species recognition.