Articles tagged with Animal Research
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 quantify the combined contributions of animals to cacao yields and explore how distance to forests and shading affect productivity. The study's key findings suggest that certain animal species can increase crop yields through pollination or biological pest control, while others reduce yields by stealing seeds.
New research finds that most tokay geckos sold in Hong Kong's TCM shops originated from Southeast Asia, not locally. The study highlights the need for stricter control of pet trade releases to protect this vulnerable species.
Research at Abu Hureyra, Syria, suggests that hunter-gatherers may have tended small numbers of animals outside their dwellings between 12,800 and 12,300 years ago. This finding challenges the widely held view that crop cultivation began first.
A recent study found a significant decline in pet neuter surgeries nationwide due to the COVID-19 pandemic, leading to increased shelter overcrowding and euthanasia. The study, which analyzed data from 212 clinics, showed a shortage of veterinarians and staffing issues exacerbated the problem.
A new study reveals that bats' diets are more similar than previously thought, with both species eating a variety of insects and agricultural pests. The research found that the northern long-eared bat tends to pick up larger prey items due to its gleaning strategy.
A study by MIT and WHOI scientists found that shy albatross males are more likely to divorce their mates, while bold males are more likely to stay together. This is the first study to link personality and divorce in a wild animal species.
Researchers found that male rock hyraxes with more precise courtship songs had higher reproductive success, while those who sang less frequently also performed better in terms of rhythm and song quality. This study suggests that high rhythmic stability may serve as an indicator of male quality for females.
Researchers found that insects have a weak ability to acclimate to high temperatures, with only small compensations of 10-15°C. Juvenile insects show greater resilience, but this may be limited to specific critical periods. The study highlights the need for further research on insect responses to climate change.
A study found that male Rock Hyraxes with stable isochronous rhythms in their courtship songs have higher reproductive success and more surviving offspring. Genetic analysis revealed that song rhythms are related to individual quality and potentially indicate health and suitability as mates.
A new standard will help identify critical areas for shark conservation using criteria that consider biological and ecological needs. The framework aims to support the protection of apex predators facing extinction due to human threats.
In southern Sydney, cockatoos have developed a unique behavior of opening garbage bins to eat food waste. Humans have responded by using various inventive methods to secure the bins, sparking an 'arms race' between the two species.
A new study from Aarhus University highlights the imbalance in AMD research using young male mice, despite the disease affecting the elderly. The review of 380 scientific articles emphasizes the need for better reporting and guidelines to improve animal testing quality.
A study on wild geladas reveals maternal effects on the gut microbiome both before and after weaning, influencing infant development and health. The research found that infants of first-time moms had slower gut microbiota development, potentially leading to a developmental disadvantage.
A new study by UC Berkeley neuroscientists simulated food insecurity in juvenile mice, finding lasting changes in learning, decision-making, and dopamine neurons. The stability of the food supply during young age affects cognitive flexibility in adulthood.
Researchers discovered that tetrapods had more complex connections between skull bones than fish, limiting their evolution for millions of years. This complexity resulted in a single, consolidated skull unit, whereas fish ancestors had multiple distinct sections.
A new study reconstructs the skeletal structure of Coelurosauravus elivensis, a Late Permian reptile that likely used tree canopy changes to facilitate its evolution. The research reveals the gliding apparatus was supported by either the gastralia or musculature of the trunk.
A research group from Nagoya University found that large-scale flowering and seeding of dwarf bamboo boosts Japanese field mouse populations, especially in mast years. The team's study showed an increase in both large and small mouse populations two years after the event, indicating good breeding conditions.
Scientists discovered the rarest North American snake, Tantilla oolitica, locked in fatal combat with a giant centipede it swallowed. The CT scan revealed that the centipede's size was the final blow, cutting off the snake's air supply.
A recent study by the University of Exeter reveals that honeybees rely on both color and pattern to identify flowers. The researchers found that bees can effectively distinguish between different flowers using a combination of these elements, suggesting that flowers don't need to evolve many different petal colors.
A recent study published in Science Advances reveals a correlation between genomic attributes and life history traits in Neoavian birds. The researchers found that generation time and body mass are associated with the length of orthologous microsatellites, transposable elements, and DNA deletions.
A Tel Aviv University study challenges the widely-held assumption that COVID-19 originated from bats, instead highlighting their highly effective immune system. The researchers found that many reported findings on bat-borne viruses are based on antibody presence or PCR tests rather than actual virus isolation.
Native Australian rodents have been mapped using DNA analysis, providing a clearer picture of their evolutionary history and spread across the Pacific. The study reveals that mountain formation in New Guinea five million years ago triggered the spread of native rodents across the region.
New research from the University of Ottawa finds that climate change is waking bumblebees earlier from winter hibernation, putting the species at risk. The study found that this early emergence timing puts bees out of sync with their food sources, leading to smaller colonies and lower survival rates.
Researchers have used state-of-the-art technology to study the prehistoric Trilophosuchus rackhami, a tiny crocodile found in north-west Queensland. The analysis reveals distinctive ridges on its skull and brain cavity similarities with distantly related terrestrial extinct crocs from Africa and South America.
A team of researchers from Kyoto University and Cameroon used camera trap surveys to predict the total biomass of large rodents and duikers in southeast Cameroon. They developed six candidate indicators, including the ratio of red duikers to blue duikers, which showed positive linear correlations with total bushmeat biomass.
A new model developed by MSU researchers uses low-cost data about abundant species to generate insights on harder-to-find neighbors, helping monitor and preserve biodiversity. The model can be particularly helpful for rare and elusive species, providing valuable information with minimal data.
Horses with long-term relationships with owners are less stressed when encountering novel objects and surfaces. Research suggests that exclusive ownership and positive human interactions shape the horse's behavior, particularly in new or stressful situations.
Computer simulations reveal that animals rearing up to smell the air is part of an efficient strategy for locating scent sources. Animals use physics to navigate turbulent environments, pausing and standing on hind legs to catch distant scents in the air.
Researchers observed Swainson's Hawks hunting a dense colony of Mexican Free-tailed Bats using cameras to reconstruct 3D flight trajectories. The study found that hawks steer towards a fixed point within the swarm instead of targeting individual bats, suggesting a new mechanism for efficient prey capture.
Rice University researchers have developed a treatment combining drug factory implants producing interleukin-2 with checkpoint inhibitors to eradicate advanced-stage mesothelioma tumors in mice. The treatment resulted in complete tumor destruction in all seven treated mice, offering a promising approach to this aggressive lung cancer.
Researchers explored the global spread of misinformation on spiders, finding that sensationalism and misinformation decrease when experts are consulted. Local events can quickly become international news, emphasizing the need for improved information quality at local nodes to reverberate globally.
A study published in Current Biology found that dogs shed tears associated with positive emotions, such as reuniting with their owners, suggesting a stronger bond between humans and dogs. Oxytocin may play a role in this emotional response, with researchers also noting that people tend to respond more positively to teary-eyed dog faces.
A team of scientists has created the first detailed map of embryonic movements in C. elegans, showing a slow-wave twitch phase before hatching that depends on neuronal activity. The study used innovative imaging techniques and computational tools to track the embryo's movements, revealing new insights into neurodevelopment.
A new study analyzing 157 mammal species found that those living a long time and having few offspring are less vulnerable to climate-driven population fluctuations. In contrast, short-lived rodents experience more extreme population changes due to their limited fat reserves and ability to quickly adapt.
Researchers found that mosquitoes have co-expressed receptors in their neurons, allowing them to detect multiple types of human odors. This redundancy makes it difficult to eliminate mosquito attraction to humans using repellents or other methods.
Scientists analyzed UK bumblebee populations and found evidence of increasing stress due to climate change, with higher asymmetry in wing shapes linked to hotter and wetter years. The study used ancient DNA methods to determine genetic diversity loss and adaptability of bee genomes over time.
A large international team has reexamined the Saccorhytus microfossil and determined that it is actually a protostome, not a deuterostome as previously believed. This finding contradicts current understanding of animal evolution, suggesting a significant gap in the fossil record.
A study by Japanese researchers from Fujita Health University sheds light on the molecular mechanisms of contact dermatitis, revealing that neutrophil extracellular traps play a key role in the condition. The team's findings suggest that inhibiting NET formation could be a new therapeutic strategy for treating contact dermatitis.
A Rutgers scientist has developed a highly sensitive DNA test that can detect Lyme disease in horses, a condition that can cause long-term complications. The test, called genomic hybrid capture assay, was tested on a sick horse and successfully identified the pathogen, allowing for early diagnosis and treatment.
A study by Hoi-Lam Jim and colleagues found that neither dogs nor wolves formed reputations of humans as generous or selfish after indirect or direct interactions. However, some animals showed preference for the generous human after combined experiences.
Researchers deployed video cameras on Navy dolphins to study their hunting behaviors in San Diego Bay and the Pacific Ocean. The footage revealed the dolphins' prey preferences, hunting strategies, and even encounters with a sea snake.
Researchers discovered a rare genetic mutation that may lead to better diabetes treatments for patients, regardless of whether they inherited the mutation. The study found that carriers of the mutation had lower levels of adiponectin and higher levels of ceramides in their blood.
A new study published in the Journal of Dairy Science finds that feeding transition milk to neonatal Holstein calves instead of milk replacer improves health scores and stimulates intestinal development. The researchers found increased weight gain and improved gut health, with benefits seen in all sections of the small intestine.
A new study led by Marc Veldhoen found that tissue resident white blood cells use glucose as an energy source and have a faster metabolism than circulating lymphocytes. This discovery highlights the importance of having a balanced diet for a healthy immune response.
A new University of Washington study found that bird behavior was not significantly affected by the reduced human activity during COVID-19 lockdowns. In fact, many birds were observed in highly developed urban areas, suggesting that green spaces may serve as important refuges for urban birds.
Researchers at HKUMed & CityU discover that transcorneal electrical stimulation can alleviate depression-like symptoms and improve cognitive function in animal models. The technique also induced the expression of genes involved in brain cell growth, offering a potential new treatment for Alzheimer's disease.
University of Cincinnati researchers are studying whether targeting an inflammation pathway can improve patient results for soldiers with burn injuries combined with traumatic brain injuries. The research focuses on a specific protein that causes inflammation, which can lead to complications such as anemia and death.
Climate change is driving the expansion of invasive insect species, such as the oak gall wasp, into more northerly oak savannas. This can lead to an imbalance in the ecosystem, as these insects can overwhelm native species without natural predators or competitors.
The US FDA is reassessing its need for animal tests in product development, exploring alternative methods that could improve efficacy and safety predictions. New technologies like microphysiological systems may replace traditional animal studies, enabling faster product approval.
A WVU researcher is studying corollary discharge circuits in fruit flies to better understand how the brain integrates sensory information and coordinate movement. The goal of this research is to shed light on human disease and human performance, with potential applications for improving fighter pilot safety.
Researchers have developed an ultrasound method that can screen for bucked shin in young horses, a condition that occurs in about 70% of animals during training. The technique uses axial transmission to detect irregularities in bone formation, allowing for early diagnosis and treatment.
Researchers have found that spinosaurid dinosaurs had rapid tooth replacement, with up to three generations of teeth developing simultaneously. This trait likely contributed to their overabundance in Cretaceous sites.
Researchers at Aston University have developed a new approach to tackle one of the underlying causes of asthma, not just its symptoms. The treatment, which targets the structural changes made by asthmatic airways, shows promising results in mice, reducing symptoms within two weeks and returning airways to near normal.
A study led by UMD researchers found that hibernating big brown bats experience slower epigenetic aging, with their biological clock extending by nearly a year. The study established the link between hibernation and longer lifespans in small mammals.
The study investigated the effects of combined endocrine-disrupting chemicals (EDCs) on liver function and metabolic homeostasis in mice models. Significant changes were observed at high EDC exposure levels, including liver weight increase, lipid buildup, and elevated blood glucose levels.
Researchers generated rat sperm cells inside sterile mice using blastocyst complementation, achieving a proof-of-principle for producing gametes from one animal species in another. This breakthrough may speed up the production of transgenic rats for biomedical research and potentially support animal species conservation efforts.
Researchers at the University of Tokyo have made a groundbreaking discovery about the development of the visual system in mice. By studying the neural networks in cortical and thalamic regions, they found that parallel pathways from the retinas form earlier than connections within cortical areas, challenging current understanding of co...
A new study used artificial intelligence to create the largest global map of insect diversity, highlighting areas with high ant biodiversity and potential conservation priorities. The researchers also found that only a low percentage of these areas are protected.
A novel subset of CD8+ regulatory-like T cells (CD8+TRLs) has been identified as 'first responders' to stroke, providing fast-acting and lasting protection. These cells reach the brain within 24 hours after stroke onset, releasing molecules that provide direct neuroprotective effects.
A new study from the University of Illinois found that dog gut bacteria can change rapidly after introducing a new diet, with microbial turnover occurring in under a week. The research also confirmed previous findings on the health benefits of high-fiber diets over high-fat and high-protein diets.