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 at Tokyo University of Science developed menthyl esters with potent anti-inflammatory and anti-obesity effects. The compounds outperformed menthol in inflammatory assays and suppressed genes involved in immune responses. They also inhibited adipogenesis, showing promise for addressing metabolic disorders.
A team of researchers discovered a line of chickens bred for water conservation that can thrive under heat stress while consuming significantly less water than standard broiler lines. The high water-efficient chickens showed a 32-point improvement in water conversion and six-point improvement in feed conversion.
Researchers investigated molecular changes in aging mouse sweat glands, finding 171 mRNAs enriched in secretory cells. Altered mRNA and protein abundance were associated with age-related declines in sweat gland function.
Researchers have identified over 2000 protein-coding genes that change significantly between summer and winter in the starfish's reproductive process. This study provides a promising breakthrough in understanding how crown-of-thorns starfish communicate during reproduction, which could lead to the development of natural pest control me...
A University at Buffalo-led research team has found that the same genes whose mutations gave rise to a low functioning male gorilla reproductive system may also be responsible for human male infertility. Researchers identified 109 reproductive-related gorilla genes that are often mutated when present in infertile men.
A young sperm whale's long-range migration across the Mediterranean poses significant threats to its survival due to busy straits and pollution. The study demonstrates the need for targeted protection at key locations to safeguard marine life in the region.
Scientists have developed a functional model of thoracic aortic aneurysm using human cells in laboratory rats, offering new avenues for drug development and effective screening. The model successfully mimics dilation of the human aorta and has potential applications for treating this potentially fatal condition.
Researchers found that tiger beetles respond to bat echolocation by producing their own ultrasonic signal, which they believe is a defense mechanism. The beetles' defensive chemicals are not effective at deterring bats, but the sound itself may be used to trick bats into thinking they are noxious.
Researchers identified two distinct species of Giant Hummingbirds, differing in their migratory patterns and genomes. The northern population remains in the high Andes year-round, while the southern population migrates up to 14,000 feet for non-breeding months.
A new soft multi-electrode system for electroretinography has been developed to overcome the limitations of traditional devices. The system uses a commercially available soft disposable contact lens with gold mesh electrodes, allowing for simultaneous measurement of electrical potentials from different regions of the retina. This innov...
A recent study published in Proceedings of the Royal Society found that birds on islands are more evolutionarily similar and diverse than expected, with more species thriving in agricultural areas. The research suggests that there may be fundamental principles of ecology at play, influencing bird evolution on islands.
A team of scientists at the University of Ottawa has developed a novel peptide-based hydrogel that can be used for on-the-spot repair to damaged organs and tissues. The material shows great potential for closing skin wounds, delivering therapeutics to damaged heart muscle, and reshaping and healing injured corneas.
Researchers in South Korea have detected the first hepatitis E virus from urban Norway rats, raising concerns about potential human transmission. The study found that 4.4% of examined rats carried the virus, which is linked to symptoms like fever, fatigue, and jaundice in humans.
A new study reveals that neural activity related to sound detection and movement are temporally separated but share commonalities, with neurons adapting their activity based on experience. The findings shed light on the brain's complex processing of sensory information and behavioral choices.
Researchers Polina A. Loseva and Vadim N. Gladyshev challenge the existing definition of human life, suggesting a new meaning for the 14-day stage in organismal life grounded in recent mechanistic advances and insights from aging studies. This stage defines the separation of soma from the germline and marks the boundary between rejuven...
Researchers found a significant association between neighborhood deprivation and DNA methylation in brain tissue, which may be linked to immune response. The study identified one CpG site (cg26514961, PLXNC1 gene) significantly associated with neighborhood deprivation after controlling for covariates.
Residents in the UK have complex views on the introduced ring-necked parakeet, with acceptance of urban presence but resistance in rural areas. Concerns include competition with native birds and unknown impacts on local ecosystems. The study suggests a possible generational divide in perceptions.
New research reveals human activities alter marine organism preservation, improving or impairing the fossil record. Human actions can prevent useful information about ongoing changes and enhance the quality of the fossil record.
Scientists have discovered a previously unknown population of the Australian brook lamprey, an ancient and endangered species, in Queensland. The find expands the species' geographic range into truly tropical waters, highlighting the need for conservation efforts to protect this unusual fish.
A study by Duke University researchers found that combining a low-carb, high-fat keto diet with fluconazole significantly improved treatment outcomes against fungal meningitis. The keto diet increased the effectiveness of fluconazole by reducing fungal levels by up to ten thousandfold.
Scientists have found an effective treatment for spitting cobra snakebites by blocking one of the major dermonecrosis-causing toxins with varespladib. The study suggests that this repurposed drug can prevent tissue damage and may become a valuable treatment against black-necked and red spitting cobra venoms.
Researchers found associations between inflammatory and metabolic biomarkers and accelerated aging, with GlycA and GrimAge showing robust correlations. The study provides insight into the relationship between aging and cardiometabolic health, potentially informing vulnerable populations.
Desert isopods rigorously regulate their intake of macronutrients and calcium, preferring biological soil crust over plant litter. The research highlights the crucial role of ingested microorganisms in facilitating digestion and growth.
A new study by University of Colorado Boulder primatologist Michelle Sauther found that smaller animals like the lesser galago face extra challenges adapting to climate change. The research highlights the importance of protecting these small and nocturnal species, which are often overlooked in conservation efforts.
Recent technological breakthroughs enable global insect surveys using sound recordings, images, radar, laser beams, and DNA analysis. This allows for new insights into insect trends and species identification without relying on experts or killing insects.
A new study finds that birdwatching can improve subjective well-being and reduce psychological distress in college students compared to nature walks or a control group. Birdwatching was found to yield higher gains in well-being and more reduction in distress than nature exposure.
A study found that male baby chickens play more than females, with males engaging in social and object play. The researchers suggest that this difference may be due to the high degree of sexual dimorphism in adult junglefowl.
A new AI method developed by Swedish researchers can identify toxic substances based on their chemical structure, potentially replacing animal testing. The method has been shown to be more accurate and broadly applicable than existing computational tools, offering a promising alternative for environmental research and authorities.
Researchers at the University of Wisconsin-Madison have developed a novel approach to treating pancreatic cancer using nano-drugs delivered via bacteria. The treatment bypasses the dense collagen barrier surrounding tumors, allowing for more effective delivery of immunotherapies.
Research reveals giant otters are more nocturnal around their dens than sympatric neotropical otters, showcasing their complex carnivore coexistence. The study's findings highlight the importance of understanding these interactions in the Amazonian ecosystem.
Researchers used a novel deep proteomics approach to investigate the effects of aging and resistance training on skeletal muscle. The study found that aging predominantly affects non-contractile proteins, while resistance training has minimal effects on protein abundance.
A team of researchers has developed a hemostasis sponge that swiftly staunchs kidney bleeding and facilitates wound recovery. The material uses kidney-derived decellularized extracellular matrix to recreate the kidney's microenvironment, boasting high biocompatibility.
A comprehensive analysis of over 200 scientific articles reveals the fundamental importance of scavengers and carrion in wetlands, benefiting soil, plants, birds, and mammals. The study highlights five different functions performed by scavengers during carrion consumption, including nutrient recycling and pathogen control.
Researchers found widespread data gaps on environmental effects, emphasizing the need for updated information requirements in REACH legislation. They propose utilizing cross-species knowledge and grouping substances to increase understanding.
An experimental monoclonal antibody drug called mAb43 appears to prevent and reverse the onset of clinical type 1 diabetes in mice, lengthening their lifespan. The drug targets insulin-making beta cells directly and shields them from immune system attacks, raising the possibility of a new treatment for the autoimmune condition.
The study found that European bison prefer woody plants in autumn and winter, while red deer eat more woody plants than other species. Fallow deer have a higher consumption of legumes and herbaceous plants compared to the bison.
A Cornell University study found that foxes' sharp snouts penetrate the snow with little resistance, reducing potential tissue damage during a headfirst dive. The unique hunting behavior, known as mousing, allows foxes to reach their prey earlier and avoid injury.
A recent study published in Science Robotics found that robots struggle to outperform biological organisms in foot races. The researchers analyzed data from dozens of studies and concluded that the failure of robots to outrun animals is not due to shortfalls in individual components, but rather inefficiencies in system design.
Researchers at Lund University found that a specific cell type plays a key role in the joint evolution of these traits in the Mediterranean region. The study used field work and DNA analysis to investigate large, green, aggressive wall lizards and discovered genes responsible for their unique appearance.
A new study reveals mice think like babies, exhibiting exploratory and strategic behavior when learning tasks. Researchers found that mice adjust their strategy based on expectations and internal models, leading to improved performance without rewards.
Researchers at University of Florida discovered a Florida bottlenose dolphin infected with highly pathogenic avian influenza virus (HPAIV), the first reported case in a mammal in North America. The team analyzed tissue samples and confirmed the presence of HPAI A(H5N1) virus subtype 2.3.4.4b.
A new study reveals that dog owners experience significant emotional distress after their pet is stolen, similar to the grief of losing a child. The 'owner' role and relationship with dogs equate to familial relationships, leading to feelings of disenfranchised grief and ambiguous loss.
The lionfish species has significantly expanded its territory in the Mediterranean since its invasion began around ten years ago. Lionfish are generalist predators that impact ecosystems by preying extensively on local fishes, including endemics of high conservation value.
Researchers identified 35-63 proteins affecting severe COVID-19, hospitalization, SARS-COV2 infection, and 4-32 proteins for healthspan and lifespan. Novel proteins involved in inflammation, immunity, apoptosis and metabolism were also found.
A flexible microdisplay device can track and display neural activity in the brain, allowing neurosurgeons to visualize critical cortical boundaries and guide surgical interventions. The device reduces the need for a buffer zone, enabling more precise removal of harmful tissue.
A recent study sheds light on the genetic underpinnings behind color polymorphism in adult females of cuckoo birds, revealing a single mutation for female-only polychromatism over 1 million years ago. The study found that variations in gray or rufous coloration are associated with the full length of the female-limited W chromosome.
The study reveals that TM4SF19 protein inhibits a pump in lysosomes, impeding macrophage clearance of dead cells. Macrophages lacking TM4SF19 demonstrate enhanced efficacy in clearing dead adipocytes, reducing weight gain and metabolic dysfunction. The findings may open new avenues for treating obesity and related metabolic disorders.
A study by North Carolina State University found that rates of Salmonella in fecal and environmental samples were more prevalent on larger commercial farms than on smaller backyard farms. The researchers also discovered multidrug resistance in Salmonella samples from both types of production systems.
Research found that male spear squid's mating tactic is determined by their birthdate, with earlier-born squids adopting a 'consort' strategy and later-born squids using 'sneaking' tactics. This study suggests that environmental conditions at birth may impact growth trajectory and reproductive success.
Researchers found that public parks and backyard spaces host diverse bird species in summer, while backyards play a crucial role in supporting winter bird populations. The study highlights the importance of conservation efforts and habitat restoration in increasing bird diversity.
A team of Purdue researchers has developed a novel immunotherapy to combat glioblastoma, a type of brain tumor with limited treatment options. The treatment uses genetically engineered stem cell-derived natural killer cells that can target and eliminate tumors without the need for blood sourcing.
Researchers used a new integrated wireless system to record brain activity in frontal areas of macaques' brains while they foraged. The results indicate that foraging strategies are based on a cortical model of reward dynamics.
A study led by the University of Rhode Island found that the American woodcock, a migratory shorebird, overlaps its migration and reproductive periods. The bird was found to nest multiple times during migration, with some females nesting up to six times, allowing them to reduce energy costs.
Scientists at St. Jude Children's Research Hospital found that improving metabolic health in obese mice before flu vaccination but not after, protects against influenza virus. A healthy diet improved T-cell function and a robust anti-flu response during later exposure.
Researchers investigated how watching videos affects attitudes toward rattlesnakes, finding that younger people and those with more snake experience were less receptive to the change. The study revealed variations in response to different messaging styles, highlighting individual differences in perception.
Researchers found that ketogenic diets reduced plasma levels of total Tau in females, mitigated elevations in plasma lipids, and improved circulating lipids. However, neither continuous nor intermittent ketogenic diets improved measures of cognitive or motor behavior in the TgF344-AD rat model.
A newly described species of ichthyosaur, named Ichthyotitan severnensis, is believed to be the largest known marine reptile, with estimates suggesting it could have reached up to 82 feet in length. The discovery was made from fossilized jawbone fragments found in Somerset, UK.
Researchers studied rodent incisors and discovered tiny pockets of iron-rich materials that form a protective shield for teeth, but don't contribute to the orange-brown hue. This finding could lead to improved human dentistry by incorporating small amounts of iron minerals into dental care products.
Paleontologists have unearthed what may be the largest known marine reptile, a gigantic ichthyosaur measuring over 25 meters long. The fossilized remains of its second jawbone were found on a beach in Somerset, UK, and have been identified as belonging to a new species.
Researchers found that copper beads in pig feed reduced microbial pathogens, but unexpectedly increased Enterobacteriaceae levels, suggesting a more complex impact on the gut microbiome. The study aimed to improve animal health before slaughter by enhancing gut health through pre-harvest interventions.