Articles tagged with Animals
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.
Researchers found that mild mitochondrial depolarization minimizes damage from reactive oxygen species and serves an anti-aging function in naked mole rats and bats. This process involves the shuttle of ATP and ADP through the mitochondrial membrane to certain kinase metabolic sites.
A new study by University of Arizona researchers estimates that one in three plant and animal species may face extinction by 2070 due to climate change. The study analyzed data from hundreds of plant and animal species surveyed around the globe, finding that maximum annual temperatures are the key variable driving local extinctions.
Praying mantises use stereoscopic vision to track objects, but also rely on second-order motion detection for prey capture. This ability helps them locate camouflaged prey and enables target tracking.
Researchers discovered that natural loss of foot muscles in rodents shares similarities with skeletal muscle atrophy, a condition typically associated with injury or disease. The study found that cells in the foot muscles disassemble proteins responsible for contraction and increase gene expression degrading these proteins.
Commercially available prebiotic supplements can break down in horses' stomachs, leading to inflammation. However, feeding a specific type of prebiotic, Jerusalem artichoke meal, increased bacterial diversity in the entire digestive tract.
Researchers used mathematical models and computer simulations to explain why multipartite viruses predominantly infect plants, rather than animals. The studies found that these viruses can colonize structured populations with less resistance, making them more advantageous for plant hosts.
Researchers found that background noise inhibits parasitoid flies' ability to locate cricket calls, suggesting a potential fitness cost for males trying to find mates. This altered soundscapes may influence the evolution of host-parasitoid relationships.
A new study reveals that early humans crafted tiny flint tools from recycled materials to perform delicate tasks such as tendon separation and meat carving. These tools played a vital role in ancient human survival strategies, showcasing a refined and thoughtful approach to animal butchery.
Researchers believe that studying animal brains can improve AI's ability to tackle complex tasks like dish-washing. By understanding how biological neural networks work, AI systems may be able to overcome barriers and achieve superhuman performance.
The project aims to determine the forces that dictate underwater walking, shedding light on the colonization of land by animals. By studying Spanish ribbed newts, researchers hope to gain insight into the biomechanics of animal movement.
Researchers found that brain activity patterns encode prior beliefs, which bias behavioral responses towards the middle of expected time intervals. This warping effect provides insight into how experience alters synaptic connections and embeds knowledge.
A team of researchers at the University of Queensland has challenged the long-held theory that multi-celled animals evolved from a single-celled ancestor resembling a modern sponge cell. Using new technology, they found that the first multicellular animals were more like a collection of convertible cells, contradicting years of tradition.
Analyzing data from 3,000 devices on 62 species in 167 projects worldwide reveals that satellite telemetry performance has improved over time. Despite 48% premature unit deployments, the study provides recommendations for users and manufacturers to enhance conservation efforts
In a study on Egyptian fruit bats, researchers found that females consistently take food from male peers and eventually mate with them. The findings support the 'food-for-sex' hypothesis in this species.
Researchers have identified a single gene, Lsdia1, responsible for snail shell coiling in a species of freshwater snail. The study reveals that this gene controls left-right asymmetry from the earliest stages of development.
A study of autistic adults reveals that traits associated with autism can be both beneficial and burdensome. The research found that autistic individuals often possess exceptional memory, attention to detail, and creative abilities, making them highly focused and tenacious. However, these same traits can also cause anxiety or exhaustion.
Researchers have unearthed a treasure trove of Cambrian secrets along the Danshui River in China, containing over 50 previously undescribed animal species. The Qingjiang biota fossil assemblage rivals that of the Burgess Shale and Chengjiang localities in terms of quality and taxonomic diversity.
Researchers suggest that bursts of evolutionary activity occurred earlier and were more frequent than previously thought, giving rise to a longer timeline for complex life on Earth. This challenges the traditional view of the Cambrian Explosion as a single, rapid surge of evolution.
In a new study, researchers found that female spotted hyenas who form strong coalitions with other females can overthrow their superiors and improve their fitness. The study revealed that these alliances play a crucial role in maintaining stable social hierarchies and improving the overall rank of coalition members.
Researchers introduce a new approach to analyzing genome content in animals, resolving long-standing debates about the origin and development of tissues and organ systems. The method yields consistent results with classical views of animal phylogeny, shedding light on early evolutionary history.
Researchers have found that great apes and ravens develop planning capacities through associative learning, rather than human-like mental simulations. The new model shows how animals can learn to make decisions that lack immediate benefits but lead to meaningful outcomes in the future.
Researchers at German Primate Center found that MERS virus mutations make it more resistant to the human immune system. This could lead to a rise in severe cases and potentially trigger a pandemic.
A new study suggests that our brains can rewire and change in response to new experiences, even when we're not consciously forming new memories. This process of plasticity enables us to better perceive and interpret the world, with potential implications for brain disorders such as autism and schizophrenia.
The study reveals that animal biodiversity has expanded episodically to the present day, contrary to theories of a single Cambrian explosion. The development of life until the Cambrian period included a wide range of designs, with regulatory genes playing a key role in increasing diversity.
A new study in mice, rats, and humans reveals that longer waiting periods for rewards strengthen a sunk cost bias, causing individuals to be less willing to give up pursuit of the reward. The researchers discuss three possible explanations for this phenomenon, which may help improve decision-making.
Scientists have uncovered a new species of chancelloriid, an ancient group of spiny tube-shaped animals that lived during the Cambrian Period. The discovery provides fresh insights into the evolution of early animals, with the fossil resembling modern sponges in pattern of body growth.
Research by the University of the Basque Country found that children as young as eight can correctly associate plants with animals in their drawings. This suggests that they are developing an understanding of ecological connections and natural phenomena from a young age.
Researchers analyzed genetic material from organisms to assess dark diversity of sharks and found three times more species in wilderness areas than traditional visual methods. The results suggest a lower estimated dark diversity of sharks in the region, potentially impacting IUCN Red List classifications and aiding conservation efforts.
A multi-university study is mapping the repeated evolution of similar head shapes among animals using their heads to dig into the ground. The researchers aim to understand how anatomy, development, relationships, and ancestry influence body shape, examining over 400 million years of evolution.
Computer-generated chimpanzee simulations become more accurate thanks to simple changes in machine learning algorithms. The research also reveals that all primates walk with a unique 'curious' gait, which may be linked to stability while moving through trees.
A new study found that hummingbirds' muscle capacity is associated with better deacceleration, accelerating on a dime, and upward rotations. Wing loading was also linked to rotational movement and turns in general, suggesting that evolved changes in muscle capacity may compensate for relatively small wing size.
Researchers discovered a subset of neurons in bat and rat hippocampi that specifically encode the spatial position of other members of the same species. These findings provide insights into how social animals navigate and interact with each other.
A new study by researchers at LMU Munich confirms that sponges are the oldest animal group, contradicting previous findings that suggested comb jellies were the first. The team used a refined method to analyze genetic data and found that sponges' simple multicellular structure is more primitive than initially thought.
A new review examines veterinary antibiotic use and its impact on soil resistance, highlighting the need for tighter controls. Recent studies show increased concentrations of antibiotics and diversity of resistant genes in animal manure and treated soils.
Researcher suggests a wide range of animal species exhibit executive control when making decisions, consciously considering their goals and ways to satisfy them. Studies have shown that elephants, chimpanzees, ravens, and lions engage in rational decision-making, remembering specific events, using tools, and solving problems.
The discovery of exceptionally well-preserved microfossils in Mongolia's Khesen Formation may confirm the existence of animal ecosystems earlier than previously thought. The cache, comprising eight genera and 17 species, represents a critical transition in life's history.
Recent study in Journal of Wildlife Management suggests trophy hunting doesn't drive artificial selection, altering horn and antler sizes. Researchers argue that numerous obstacles counteract hunter selection, minimizing population-level changes.
A University of Guelph study reveals that early-born squirrels have a better chance at survival, as they can find vacant spots to store their food for the winter. The researchers found that birth date is a key factor in survival, with earlier births being more advantageous in densely populated neighborhoods.
Research on ostriches reveals a counter-intuitive effect of their double-kneecap, decreasing mechanical advantage in knee extensor muscles. The true purpose of this unique structure is still unknown, with potential roles including tendon protection and joint function improvement.
The study suggests that animal phyla emerged rapidly around 700 million years ago, prior to the global Ice Age. The earliest known animal fossils exhibit complex morphologies, indicating animals originated before the Cambrian Period. New molecular-clock analysis produces a new estimate for the ages of the oldest animal groups.
Researchers from the University of Bristol found that a recently developed molecular clock method called RelTime failed to relax the clock, sparking debate on the age of animals. The team's findings suggest that animals are unlikely to be older than approximately 850 million years, in agreement with previous studies.
A KAIST research team developed a hybrid animal-robot interaction system that attaches to a turtle and induces its object-tracking behavior through training sessions. The parasitic robot successfully controls the direction of movement in a water tank, offering an alternative solution to conventional mobile robot limitations.
Leading scientists argue that animal testing is essential for medical breakthroughs, yet protocols can be improved to increase their credibility and usefulness. The authors propose four ways to enhance animal experiments, including intensifying studies and incorporating clinical trial rules.
A new study found that gut bacteria in fruit flies can reprogram the body's nutritional needs to safeguard against nutrient deficiencies. The bacteria induce a metabolic change that mimics protein satiety, altering appetite and fertility.
An international team of neuroscientists has discovered that neurons coordinate their activity to improve motor control, shedding light on the brain's mechanisms. The findings may lead to better brain-machine interfaces for paralyzed patients.
A 3.5-billion-year-old phosphorus surplus coincided with the emergence of complex life on Earth, suggesting a key role in animal evolution. The discovery was made by analyzing sedimentary rock records from ancient coastal zones.
A Norwegian ground-breaking study reveals that the mouth and anus do not originate from a common blastopore as previously thought. The research suggests that the formation of either organ is a consequence of how each embryo is organized during early development.
A study on rhesus macaques found that low-status animals exhibit greater antibacterial responses, while high-status animals have stronger antiviral responses. Social subordination stress influences immune-related gene expression in low-status individuals.
A random mutation in a single-celled organism created a new family of proteins that are essential for the evolution of animals. The mutation altered the protein's flexibility, allowing it to advance to a new function and play a key role in multicellular life.
Researchers at the University of Utah have discovered that vocal cords can be stretched and stiffened to predict an animal's pitch range, revealing evolutionary roots of voice. The study suggests that singers can increase their ranges by stretching their vocal cords or engaging in exercises that affect fiber spacing and cord stiffness.
A novel theory of animal evolution suggests that a biochemical oscillator named Life's Timekeeper controls cell maintenance and repair, determining cell longevity. This mechanism is believed to have driven the extension of cell longevity in animals, leading to the development of complex organisms.
A new study in Cell Reports found that macaques have a third set of neurons in their sensory cortex that respond optimally to curved motion. This discovery provides insights into how animals navigate through three-dimensional spaces and could have implications for human balance and movement.
Scientists discovered that wapitis produce two mechanisms to create their eerie calls: a low-pitched roar matching their size and a high-pitched whistle using nasal cavities. This unusual adaptation allows wapitis to communicate accurately despite their large size.
Researchers found that bats exposed to prolonged loud noise showed minimal sensitivity loss, with only a slight decrease of 0.6 decibels over 24 hours. This natural resiliency may hold clues for developing devices or implants to help humans cope with loud noises.
Researchers have captured a snapshot of how coronaviruses enter cells using high-resolution cryo-electron microscopy. The atomic model suggests specific vaccine strategies against SARS-CoV and MERS-CoV. A fusion peptide on the outer edge of the spike protein may be an ideal target for neutralizing coronaviruses.
Researchers estimate that 69 out of 100 male lions will die from age-independent causes, mostly killed by trophy hunters or local farmers. This puts the entire lion population at risk, disrupting social structures and leading to increased mortality rates.
MIT neuroscientists identify the brain region responsible for feelings of loneliness and increased sociability after isolation. This discovery provides a starting point for studying loneliness-like states and their neural mechanisms.
Researchers have discovered significant differences in the number of neurons in nematode ventral cords across various species, suggesting that neuron number and anatomy may have evolved multiple times. This variation could lead to the development of more targeted nematicides to control plant-parasitic nematodes.
Scientists report a new detection method for identifying aromatase inhibitor use in horses, increasing chances of catching cheaters by 2-2.5 times longer than conventional methods.
Researchers suggest that a single mutation in protein interactions was crucial for the transition from single-celled to multi-cellular organisms. This discovery has implications for understanding disease states, such as cancer, where damaged cells can revert to a unicellular state.