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.
University of Alberta researchers discovered that individual animal movements can influence the entire group, producing complex collective behaviors such as swarm formation and zig-zag group movements. By analyzing communication patterns, they found simple rules could produce intricate designs.
Gary Gaufo's three-year, $225,000 grant will fund research on mechanisms controlling nerve cell growth and development of bodily functions. The study aims to provide insight into cranial-facial disorders and birth defects affecting the US population.
Researchers identified a dominant gene mutation in Dmc1 that causes male infertility in mice. The study provides insights into the genetic causes of infertility in humans and suggests potential applications for fertility treatments.
Researchers found humpback whales migrating up to 8,300 kilometers to warmer waters during winter, with the longest distance recorded at 5,100 miles from Central America to Antarctica. The study validates a long-held assumption about humpback whale migration patterns.
Researchers developed a tool to analyze brain folds using computer graphics techniques, providing insights into cortical development. The model may serve as a biomarker for early diagnosis of autism and other neurological diseases.
Researchers analyzed 24 years of data from a cooperative bird species, finding that delayed breeding was not costly to lifetime reproductive success for females. In contrast, males showed reduced reproductive success due to shorter breeding careers. The study challenges the long-held assumption that delayed breeding is always detrimental.
A gene mutation in mice results in enhanced long-term memory, pointing to a potential target for developing a drug to treat memory loss. The mutation affects the phosphorylation of a protein involved in regulating gene expression, leading to improved performance in memory tests.
Researchers have discovered two species of arthropods that use distinct methods to combat the cold: Onychiurus arcticus loses water through dehydration, while Cryptopygus antarcticus accumulates anti-freeze compounds to lower its freezing point. These findings provide insight into the evolutionary adaptations of these animals.
Elliott Garber, a third-year veterinary student at Tufts University, has been awarded the prestigious NIH Fogarty Fellowship to conduct research on cryptosporidium and rotavirus in India. The one-year fellowship will provide him with clinical research training experience in a resource-poor setting.
Researchers are developing alternative culture methods to reduce the use of live fish in safety testing, reducing animal experimentation. Dr Richard Handy's perfusion method allows for the controlled exposure of fish organs to toxins, providing insights into toxicity and organ function.
The partnership aims to promote high-quality scientific knowledge across disciplinary boundaries, addressing key questions on climate change and polar science. The journal will cover topics such as glacier mass balance, sea ice interactions, and palaeoclimate reconstruction.
A new study reveals that the mass extinction event that wiped out dinosaurs did not prompt the rapid diversification of modern mammal species. Instead, these early mammals evolved and radiated around 10 million years after the dinosaurs' demise, driven by a sudden increase in global temperature.
Researchers found that a combination of vitamins A, C, and E and magnesium effectively prevented permanent noise-induced hearing loss in guinea pigs. The study's lead author suggests that similar nutritional bars could provide adequate daily protection for people exposed to loud noises, such as soldiers or concertgoers.
A new synthetic molecule has been developed to deliver an imaging enhancer to cholesterol-filled cells, improving detection by 79 percent. The technique allows physicians to diagnose unstable plaques and identify high-risk patients for early treatment.
Xenotransplantation holds promise for replacing diseased organs, but immune rejection and pathogen transmission are major concerns. Genetic modifications in pigs have improved compatibility with humans, offering hope for this technique's success.
Researchers have discovered a deficiency of biopterin in rabies patients and are working on an animal model to test the effectiveness of the Milwaukee protocol. The treatment has already shown promise, with two children surviving twice as long as average for rabies patients.
Researchers discovered compounds in black raspberries, blueberries, grape seeds, high-fiber foods, and apple juice that show promise for preventing cancer. Studies found significant reductions in tumors of the esophagus, colon, skin, and prostate cancers.
Researchers at Rensselaer Polytechnic Institute found that carbon nanotubes inhibited growth in mammalian cells but sustained bacterial growth, highlighting the need for further research on nanotechnology's environmental impacts. The studies suggest different nanomaterials have varying effects on human health and the environment.
Research reveals that birds can live with higher doses of sex-related genes due to ineffective dosage compensation. This challenges current thinking about the role and mechanisms of dosage compensation in species with heteromorphic sex chromosomes.
Researchers at École Polytechnique de Montréal have successfully guided a microdevice inside an artery using computer control and a clinical MRI system. The breakthrough could enable interventional medicine to target inaccessible sites using nanorobots.
Researchers analyzed DNA data from mammal and bird species in the Americas to find speciation occurs faster in temperate zones than tropics. This is due to a higher turnover of species in temperate areas, resulting in more new species emerging.
Researchers found that rats can judge whether they have enough information to pass a test, opting out more frequently when the task is difficult. This ability broadens our understanding of cognitive skills in animals and may provide opportunities for studying metacognition's neuroanatomical mechanisms.
Researchers at UGA show rats can think about their own thinking, knowing when they don't know an answer. The study opens new areas of research on animal cognition and memory, challenging previous beliefs that only primates possess metacognition.
Researchers found that obese mice's brains don't detect critical fat hormone levels, but the rest of the metabolic pathway remains responsive. SOCS-3 may be responsible for this loss of sensitivity to leptin, a hormone regulating energy balance.
Researchers at UC Davis have created digital brain atlases with high-resolution whole-brain images, enabling virtual microscopy for comparison of healthy brains with those affected by neurological diseases. The online platform allows users to explore and analyze brain data using free downloadable tools.
A study found that anti-ribosomal P antibodies, associated with SLE, induce depressive behavior in mice by interacting with the limbic system. Fluoxetine treatment reversed this effect, but haloperidol had no significant impact.
David H. Baker, a renowned expert in animal and nutritional sciences, will be honored with the Charles A. Black Award for his outstanding achievements in the field. His research has led to significant discoveries about amino acid metabolism, toxicology, and nutrient needs of humans and animals.
Researchers at the University of Cambridge discovered that western scrub-jays store food items they believe will be scarce in the future, planning accordingly. This complex behavior suggests advanced thought processes, including a sophisticated concept of past, present, and future.
Researchers at the University of Cambridge have discovered that western scrub-jays plan for future food scarcity by caching food, anticipating potential shortages. This finding suggests that birds may also experience anxiety about the future, similar to humans.
Male anole lizards adjust their visual displays to overcome background noise, enabling clear communication with rivals. The findings provide insights into the evolution of signaling strategies in these species.
A study by University of New Hampshire professor Brett Gibson found that humans and pigeons primarily rely on corners of an object to recognize it, rather than shading and color. This similarity in visual processing could lead to future technological advancements, such as small visual prosthetics for the visually impaired.
Researchers have assembled a genetic portrait of birdlife in the U.S. and Canada, identifying 15 new species that are nearly indistinguishable from human eyes and ears. The team also successfully logged DNA attributes of 87 bat species of Guyana, revealing six new species.
Robert Reisz's lifelong passion for fossils led to groundbreaking discoveries, including the oldest known dinosaur embryos and two-legged reptile. He is being recognized by AAAS for his significant contributions to the field.
Research by G. Edgar Folk and colleagues found that Arctic animals, including rodents, maintained a 24-hour cycle of rest and activity despite living in continuous light. The study suggests that these animals may be conscious of the sun's position in the sky and use it as a cue to regulate their circadian rhythm.
Researchers identify neural and signaling mechanisms responsible for hallucinogen effects by studying the activation of 5-HT2A receptors in the brain. The findings may advance understanding of neuropsychiatric disorders treated with existing pharmacological treatments.
Jennifer Fewster, a UCF doctoral student, is studying giraffe excrement at Disney’s Animal Kingdom Lodge to understand what animals eat in the wild and improve captive nutrition. Her research could help conserve endangered herbivores by mimicking their natural landscape and food supply.
A new study suggests that artificial stimulation of CD28 on memory T cells can cause severe organ damage. Researchers found that activated memory T cells migrate to organs where there is no infection, leading to significant tissue harm.
Research found prenatal exposure to nicotine alters brain areas critical for learning and reward, programming the brain for relapse to nicotine addiction. Pregnant women who smoke may need tailored smoking cessation approaches due to increased risk of relapse after birth.
A new study by Oregon State University and the EPA found that over 600 rivers in the western US have widespread mercury contamination in fish. Piscivorous fish like bass and walleye show significantly higher levels of mercury than non-piscivore species like trout.
A recent study published in Science has found that the size of Amazon forest reserves is crucial for protecting bird species. The research, led by Gonçalo Ferraz, used a 13-year data set of over 40,000 bird captures to show that larger areas are more important than isolation in maintaining biodiversity.
A new study reveals that birds with larger brains relative to their body size have a lower mortality rate than those with smaller brains. The research supports the cognitive buffer hypothesis, which suggests that large brains enable animals to better cope with environmental challenges such as climate change and habitat destruction.
Scientists have discovered a new species of bat, Myzopoda schliemanni, in Madagascar with large flat adhesive organs on its thumbs and hind feet. The new species is found only in the dry western forests of Madagascar, and research suggests it has adapted well to degraded environments.
Repetitive motion speeds nanoparticle uptake through the skin, according to a study by researchers at Rice University. The team found that flexing the skin increases nanoparticle penetration and depth, with more buckyballs taken up after 24 hours.
Researchers at Johns Hopkins University have developed a hybrid molecule that combines a sugar with a short-chain fatty acid to kill cancer cells in lab tests. The molecule triggers cellular suicide and orchestrates the expression of genes responsible for halting uncontrolled growth.
Researchers at Vanderbilt University discovered that some mammals, such as star-nosed moles and water shrews, can detect objects underwater using their sense of smell. By blowing bubbles into the water, these animals can create a rapid exchange of air molecules that allows them to sniff out objects with high accuracy.
Researchers successfully regenerated tooth root and supporting periodontal ligaments using stem cells harvested from wisdom teeth. The technique shows promise for restoring tooth function in human patients.
Current UK agri-environment schemes have worked well for rare and localised species but struggled to reverse declines of more widespread bird species. A new study suggests that tailored habitat management to regional differences could be key to success.
A Cornell-built robot learns its own model of itself and can revise the model to adapt to injury, a process resembling human and animal babies discovering their bodies. The underlying algorithm could be applied to build more complex robots and allow them to adapt to changes in environment and repair themselves.
A significant increase in oxygen levels in the world's oceans 580 million years ago likely triggered the sudden emergence of large animal fossils, according to Queen's University researchers. This discovery confirms the importance of oxygen as a catalyst for the early evolution of animals.
Researchers at Rice University and The University of Texas M. D. Anderson Cancer Center found that carbon nanotubes injected into lab animals cause no immediate harm and circulate in the blood and liver for over an hour before being eliminated. The study provides promising results for biomedical applications of carbon nanotubes.
SUNY Downstate researchers develop a substance that inhibits the progress of multiple sclerosis in an animal model. The agent, a novel calpain inhibitor, can be administered orally and has shown promise in treating both acute and chronic phases of MS.
Researchers have discovered that female wasps release a potent gas when losing fights over larvae, which could help control crop-destroying pests. This finding has great potential for applied spin-offs in biological control.
Researchers discovered a pattern to Ebola's spread, linking it to wildlife populations and climate. The study found that the virus spreads both within and between species, with outbreaks more frequent than previously believed.
Researchers analyzed tooth enamel to determine early human relatives' diet, finding seasonal variations in leaves, fruit, seeds, roots, and possibly grazing animals. This study sheds light on the variability of human diets over time, suggesting that it has been a key factor in modern humans' ability to adapt to different environments.
Researchers develop an alternative to animal testing by tricking ticks into setting up home on faux-cow hides. This method measures leg tremblings of ticks to observe early signs of pesticide toxicity.
A study by the NIH/National Institute on Aging demonstrates that resveratrol, an activator of sirtuins, can improve health and survival in aged overweight male mice. Resveratrol supplementation improved insulin sensitivity, reduced liver size, and enhanced motor function in the mice compared to those without resveratrol.
Researchers at CReSA have made significant advances in tests using DNA vaccines on animal models, enabling a delay in symptom appearance and paving the way for human treatment. The vaccine induces a complete immune response, including humoral and cellular responses, overcoming the tolerance barrier faced by prions.
Researchers have discovered a key molecular mechanism allowing tiny flies to whirl their wings at high speeds, revealing new insights into heart disease and the evolution of flight. The findings provide a better understanding of how chemical energy is converted into muscle movements, including human heart muscle pumping blood.
A 3D ultrasound scanner developed by Duke University engineers successfully guides a surgical robot to pinpoint targets in real-time. The technology has the potential to enable surgeries to be performed without surgeons, especially in remote locations or space stations.
Recent test tube and animal experiments suggest that certain general anaesthetics could increase the risk of developing Alzheimer's disease and other memory problems in elderly patients. The studies also highlight the need for more careful recording of anaesthetic combinations and doses to assess potential risks.