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 found that polarized light reflected from dark surfaces like roads, windows, and oil spills can overwhelm natural cues for animals. This can lead to insects laying eggs on the wrong surface, disrupting food webs and causing population crashes, as well as predators following misdirected prey into danger.
Researchers have found that Viagra amplifies the effects of a protective protein called RGS2, which shields the heart from damage caused by high blood pressure. The study, published in the Journal of Clinical Investigation, provides insights into the biology of RGS2 and its potential as a therapeutic target for heart failure.
Researchers found that grazing animals like deer and rabbits increase the prevalence of a viral plant disease by promoting the growth of aphid-preferred annual grasses. This study challenges previous theories suggesting that herbivores help contain or reduce disease, highlighting the complexity of natural ecosystems.
Researchers link polygamy and paternal care in modern birds to their dinosaur ancestors. Studies found that male dinosaurs in nests had large egg clutches, suggesting multiple females contributed eggs and the males guarded them.
Researchers found that quiet bison bulls sire more calves than their louder counterparts, challenging conventional wisdom on animal vocalizations. By monitoring 325 wild bison over two summers, the team discovered a correlation between lower volume and increased reproductive success.
Researchers at Albert Einstein College of Medicine found that a brain enzyme, p70 S6 Kinase 1, plays a key role in regulating feeding behavior and metabolism. Increasing the enzyme's activity reduces food intake and body weight, while lowering it has the opposite effect.
New research from University of Toronto breaks long-held assumption that larger animals have an advantage in mating and offspring production. Smaller Redback spiders actually outperform larger ones due to their faster maturation rate.
Researchers have found that snowy owls spend most of winter on Arctic sea ice, where they may prey on seabirds and face potential climate change implications. The birds' long-distance migrations, tracked by satellite technology, suggest they are vulnerable to climate change.
The American College of Toxicology partnered with SAGE to publish the International Journal of Toxicology, a peer-reviewed bi-monthly journal covering current research in toxicology. The journal will increase visibility globally and provide access to full-text articles through SAGE Journals Online.
Researchers discovered two new extinct species of coral, Isopora ginsburgi and Isopora curacaoensis, found on the Island of Curaçao six million years ago. The findings provide insight into coral evolution and biogeographic separation between Caribbean and Indo-Pacific regions.
Purdue researchers found that lab mice can relieve stress by controlling their environment through behaviors such as selecting preferred temperatures and building nests. This suggests that allowing lab animals to express natural behaviors may improve research data reliability.
Dinosaurs had more air cavities in their heads than expected, which may have helped lighten the load of their heads and enabled them to move their heads quickly. These sinus cavities also played a biomechanical role by making bones hollow, similar to hollow beams used in construction.
Scientists have visualized individual neurons in rat brains that are activated during associative learning tasks, providing direct evidence of convergent activation. This finding sheds light on how the brain changes as a result of experience and has implications for understanding plasticity.
Researchers at VIB and NeuroNova are conducting the first trial of a potential ALS treatment, which involves administering VEGF protein directly into the cerebrospinal fluid. This innovative approach has shown promising results in animal models, with treated rats manifesting the disease later and living longer than untreated animals.
Researchers develop integrative models for movement of diverse organisms, integrating when, where, how, and why they move. These models accurately predict real events, such as tree seed dispersal by wind under various conditions.
A new methodology developed by Pedro Álvarez Lloret found that exposure to organochlorate pollutants and lead causes bone weakening and fracture in wild birds. The study also reveals that polychloro-biphenyl (PCB) increases bone maturity, making them more fragile.
Humpback whales use a high-speed diving technique called lunge-feeding to catch prey, but this method comes with significant energy costs. The study found that lunge-feeding requires more energy and time than other behaviors, such as singing.
Researchers discovered a molecule called NAPE that signals the brain when the stomach is full, reducing hunger. In studies with mice and rats, NAPE treatment led to significant weight loss and reduced appetite, suggesting potential for new obesity treatments.
Dolphins produce more force than previously thought to overcome drag, contradicting Sir James Gray's hypothesis. Researchers use cutting-edge technology to measure dolphin tail forces, finding an average of 200 pounds of force.
Researchers using robotic lizards in Puerto Rico's forests showed that animals can use visual displays to grab their neighbors' attention before initiating more information-rich performances. Pushups and rapid dewlap extensions prompted neighboring lizards to orient themselves more quickly, confirming a nearly 30-year-old hypothesis.
Females may mate with multiple partners to avoid passing on sperm-damaging genes, boosting offspring health and sex ratio. This adaptive strategy could explain why many species have polyandrous females.
John O'Keefe received the Gruber Foundation Neuroscience Prize for his groundbreaking 'place cell' research, which enabled animals to map and remember locations. His work has influenced recent studies on memory loss and Alzheimer's disease.
A new study suggests that vigabatrin may prevent human methamphetamine addicts from relapsing by blocking reinstatement of drug-seeking behavior. The research found that rats pre-treated with vigabatrin lost interest in spending time in a location where they had previously been given methamphetamine.
Researchers found that cockroaches choose between four primary escape routes at fixed angles from threats, avoiding predictability and allowing them to stay one step ahead of predators. This study challenges the idea that 'unpredictable' behavior is random, suggesting instead that animals may be choosing between multiple strategies.
Researchers successfully inseminated a female rhinoceros with frozen and thawed semen, resulting in the first live birth of this kind. The achievement holds great promise for preserving endangered species populations.
Research on small skink lizards reveals extensive body shape changes over brief geological periods, with species evolving an elongate, limbless body form. The study found rapid evolution of this snake-like body form, without reversals, and estimated the loss of limbs to have occurred within 3.6 million years.
Researchers have generated a comprehensive genetic blueprint of a forming mammalian organ, shedding light on the genetic and molecular dynamics of kidney development. The study found overlapping gene expression between different structures, revealing a more complex picture than previously thought.
Researchers studied glucose tolerance in two species of Peromyscus mice, finding that males from a calmer, more monogamous species had superior blood sugar regulation. A genetic variance linked to the Y chromosome is responsible for this response.
New UGA research sheds light on the important role of the Foxn1 gene in maintaining T cell production in the thymus. The study suggests that understanding how this gene works could lead to new therapies for various illnesses, including age-related immunodeficiency disorders.
Research reveals sea snakes dehydrate in saltwater and prefer freshwater or diluted brackish water. The findings may help explain the patchy distribution of sea snakes and their vulnerability to climate change.
A new model demonstrates that functional hierarchy in the brain is linked to both time and space, contradicting previous literature. The study uses humanoid robots to show how neural activity can self-organize through multiple timescales, shedding light on the underlying mechanisms of neural systems.
A recent study by Purdue University researchers found that commercial chicken breeds have lost up to 90% of their native genetic diversity, leaving them vulnerable to new diseases. Interbreeding with native or non-commercial bird species may help restore genetic diversity and improve disease resistance.
The rapid spread of West Nile virus in North America has had significant effects on wildlife, with many bird species still recovering from large population declines. Research is ongoing to understand the factors influencing species vulnerability and mosquito transmission, which could lead to better predictions and public warnings.
A new study published in PLOS Medicine found that at least 421,000 envenomings and 20,000 deaths from snakebites occur annually worldwide. The countries with the highest estimated annual envenomings and deaths are India, followed by sub-Saharan Africa.
Researchers used a novel technique to conclude that Smilodon fatalis was likely a social animal, living and hunting like lions. The study found large social species made up a far larger proportion of attracted animals than expected.
Researchers at NIST have developed an electronic nose that can recognize hundreds of chemical compounds with high accuracy and robustness. The device mimics the biological approach used by animals to detect odors, allowing it to generalize knowledge from familiar smells to unknown ones.
Researchers found that environmental changes affect amphibian and bird communities rapidly, especially in mountainous regions like the Andes and Himalayas. Amphibians are more sensitive to environmental conditions due to their narrow distributions.
A new study by Purdue University researchers found that inbreeding is not responsible for the high incidence of malformation among salamanders. The study of 2,000 adult and juvenile salamanders revealed an 8% rate of deformities, including missing or extra digits, similar to those seen in frog species.
Researchers found that a high-fat diet rich in animal fat and poor in omega-3s can exacerbate neurological markers for Alzheimer's disease in mice. The study suggests that diets typical of most industrialized countries may promote the development of Alzheimer's.
Better designed rodent trials could reduce the cost and time required for cancer drug development. A well-designed rodent study should include an appropriate animal model, correct statistical evaluation of data, proper randomization, and a sufficient number of animals.
Researchers created a first-ever genetic animal model to study anesthetic agents' effects on individuals genetically predisposed to arrhythmia and sudden cardiac death. The study found that some anesthetics trigger arrhythmias, particularly in models with long QT syndrome.
A new study found that nearly half of low pathogenic avian influenza viruses in northern pintail ducks in Alaska contained genes more closely related to Asian strains. This research validates surveillance sampling processes and demonstrates the effectiveness of genetic analysis in understanding virus exchange between continents.
Researchers found that ants living more than 60 miles inland preferred a 1% salt solution over a sugar solution 10 times more concentrated. This preference was true for plant-eating ants, but not carnivorous ones.
A recent study found that some endangered Pacific salmon stocks are surviving as well as or better in rivers with hydroelectric dams as in those without. Researchers used acoustic telemetry technology to track juvenile salmon migration and survival rates in the Fraser and Columbia Rivers, revealing a surprising similarity between damme...
Researchers found a greater diversity of animals in areas with deer populations than without. Higher deer activity creates nutrient-rich soil, attracting insects and larger predators like salamanders and snakes. This complex food web is often overlooked in traditional wildlife management practices.
Researchers have discovered primary developmental defects in the lens of moles, leading to a disrupted epithelium and disorganized mass of immature fibre cells. Genetic information reveals abnormal gene expression central to eye development, causing incomplete lens fibre completion.
A single molecule in the intestinal wall, activated by gut bacteria waste products, slows food movement and allows nutrient absorption, leading to weight gain. This discovery points to a potential method for controlling obesity by regulating energy intake.
Researchers have identified eight free-living red squirrels that are immune to the squirrelpox viral disease, a significant finding in the struggle to save the species from extinction. The discovery suggests that immunity to the virus could give red squirrels an edge against grey squirrels, which harbor the virus but are immune.
Researchers at Michigan State University are developing a cost-effective technology to turn animal waste into usable heat, electricity, and other valuable products. The Anaerobic Digestion Research and Education Center aims to provide scalable, modular systems for smaller farms to convert waste into resources.
A new study published in Nature sheds light on the complex changes that occurred during the transition from aquatic to terrestrial lifestyles, including the evolution of limbs and internal head skeleton. The research reveals that Tiktaalik roseae, a transitional fossil, exhibits features of both fish-like and tetrapod characteristics.
Mice conditioned for safety display reduced anxiety in stressful situations, comparable to antidepressant medications. The study reveals learned safety influences brain development, including increased expression of brain-derived neurotrophic factor and dopamine neurotransmitters.
Researchers at Ohio State University have developed an in-vitro method to test the digestion and absorption of arsenic-laden soil. This simulation can help determine the amount of arsenic that dissolves during digestion, allowing for more efficient assessment of contaminated sites.
Researchers at Stanford University School of Medicine discovered ultraconserved DNA regions that have been highly conserved throughout evolution. Despite being deleted in laboratory animals, these regions are less likely to be lost in primates and rodents, suggesting a possible role in fundamental biological processes.
A new study found that wind turbines do not significantly affect the distribution of seed-eating birds and corvids. However, common pheasants were the only species whose distribution was impacted by the turbines. This research is crucial for reconciling EU energy targets with biodiversity conservation efforts.
Researchers found that froghoppers store energy in a composite structure made of hard cuticle and resilin, flexing it like an archery bow before releasing the energy for a powerful jump. This technique allows them to achieve remarkable heights, over 100 times their body length.
A study published in Aging Cell found that calorie restriction did not lower IGF-1 levels in humans, unlike in animals. However, strict vegans had significantly less circulating IGF-1, suggesting a correlation between protein intake and longevity.
A study found associations between human NPY receptor genes and a more severe subtype of alcohol dependence, characterized by withdrawal symptoms or coexisting alcohol and cocaine dependence. The research suggests that certain genetic variants may be associated with increased risk of AD and seizures in humans.
Research at Purdue University suggests buckyballs can accumulate in animal tissue, particularly fatty tissues, with a greater chance than the banned pesticide DDT. However, their breakdown in the environment or by animals is not yet known.
Researchers at Georgia Institute of Technology have developed a prosthetic vein valve to replace damaged valves in people with chronic venous insufficiency. The valve has shown promise in preclinical trials, demonstrating biocompatibility and performance similar to natural body tissue.
Research shows that female fallow deer are attracted to deep calls from dominant males, who also have higher mating success. The study found a link between the depth of the call and body size, suggesting size exaggeration may be an evolutionary trait.