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 85% of seeds were buried in caches by agoutis, which moved seeds up to 749 meters and sometimes even retrieved them after years. This behavior may have saved tropical trees from extinction.
A US Department of Agriculture study found that using lights on aircraft makes them more visible to birds, reducing the risk of collisions. Researchers tested Canada geese's response to radio-controlled model aircraft with different lighting conditions, finding that geese respond more quickly to aircraft with lights on.
Scientists have developed a new way to test chemical safety using fish spheroids, which behave like normal animal tissue and can be maintained for over a month. This technique could reduce the number of fish needed for toxicology testing, providing a more accurate picture of how chemicals affect animals and ecosystems.
Researchers discovered that lizards swing their tails to rotate their bodies while falling, and replicated this motion in a robot. The study could help engineers design more stable robots for complex environments.
Hyrax vocalizations encode information on identity, age, hormone levels, and social rank. Singing promotes self-presentation and facilitates communication among the group.
Researchers at U of A have found fossilized tracks of a primitive bilaterian animal from 585 million years ago, indicating the presence of soft-bodied animals on Earth 30 million years earlier than previously thought. The discovery provides new insights into the evolution of animal life and its adaptation to environmental conditions.
Research found that consuming more dietary vitamin B12 and animal protein lowered arsenic levels in toenails, while eating more vegetable and animal fat also had a protective effect. However, omega-3 fatty acids were associated with increased arsenic levels.
Weill Cornell researchers develop a novel vaccine that protects mice against nicotine addiction, using the liver to continuously produce antibodies. The vaccine is designed to prevent nicotine chemicals from reaching the brain and heart, offering hope for smokers who struggle with addiction.
Researchers at Tufts University have developed two surveys, FETCH and CATCH, to evaluate the quality of life for dogs and cats with heart disease. The tools ask owners to rank aspects of their pet's health on a scale of 0-5, allowing veterinarians to assess the animal's perceived quality of life.
Researchers found that male blue tits make fewer hunting trips to feed their brood if their mates have UV-reflecting crowns smeared with chemicals. However, they continue to protect and defend their chicks equally well as males with non-UV-treated females.
Researchers discover 9 new genera of ants in the Philippines, bringing the total to 474 known species. Habitat destruction threatens these unique communities and many more remain unexplored.
A new study found that a plant's toxic 'mustard oil bomb' makes mice spit out its seeds when eating the fruit, aiding seed dispersal. This discovery illustrates the first known case of directed deterrence in a single species.
Researchers found that high doses of nicotinamide riboside (NR) in mice fed a fatty diet led to significant weight loss, improved energy expenditure, and enhanced muscle performance. NR also prevented diabetes development and improved insulin sensitivity, all without toxicity.
The new website at www.naturaltransfats.ca explores the differences between industrial and natural trans fats, providing key information on nutrition labels and food choices. Key findings suggest that natural trans fats found in meat and milk from ruminant animals are not harmful and may have health-enhancing potential.
Researchers propose using longer focal lengths (100mm) for mobile device photos and shorter lengths (50mm) for larger screens. The study found that people tend to view small pictures from closer distances, resulting in distorted images.
Researchers analyzed fossilized primate skulls and CT scans of living primates to determine how extinct animals moved, focusing on the bony labyrinth of the inner ear. The study found that ancient primates were relatively agile, with some species moving faster than their Old World ancestors.
Distorted music triggers strong emotional responses by tapping into distress calls of animals, according to UCLA researchers. Listeners rate music with distortion as more exciting and charged with negative emotion than neutral compositions.
Researchers at the University of Zurich found Epo increases oxygen transport in blood shortly after injection, improving exercise performance. The hormone also boosts motivation, which could be useful in treating depression and schizophrenia.
A global research team led by Canadian scientists presents findings that natural ruminant trans fats have no negative impact on cardiovascular risk factors. These 'good fats,' produced by dairy and beef cattle, may even enhance health when consumed as part of a balanced diet.
Researchers at Oregon State University have developed an AI-powered system to monitor bird sounds, identifying species and changes in habitat loss or climate change. The technology uses a multi-instance machine learning approach, allowing for efficient ecological monitoring, and can be applied to other forest noises and animal species.
Researchers discover that decreasing Lhx2 activity triggers glial reactivity, while increasing its activity is key to producing protective proteins. This finding holds promise for developing novel therapies for neurodegenerative diseases.
A study by Queen's University researcher Troy Murphy found female birds with more colourful bills have higher antibody levels, indicating greater strength and ability to fight off invaders. The colour of a female bird's bill is strongly correlated with immunoglobulin antibodies, a component of the immune system in birds.
A Northwestern University study reveals that female shift workers and women with circadian rhythm sleep disorders experience fertility and menstrual issues due to disrupted circadian clocks. The researchers found that mice subjected to advances of the light-dark cycle had greater circadian clock disruption and lower reproductive success.
A parasitic flatworm called Fasciola hepatica hinders the diagnosis of bovine tuberculosis (TB) in cattle by reducing the sensitivity of skin tests. This study found that liver fluke infection can create false negatives for TB, allowing infected cattle to continue transmitting the disease.
Research by the University of Exeter finds that light pollution is transforming communities of insects, with more predators and scavengers found near artificial lights. This could have a knock-on effect on entire ecosystems, including birds and mammals that rely on these species for food.
A new bright yellow frog species, Diasporus citrinobapheus, has been found in western Panama with a unique characteristic of dyeing its captor's fingers yellow when handled. The researchers studied the frog's body structure, coloration, and vocalizations to confirm its validity as a new species.
Researchers from Sichuan Agricultural University and BGI reported the atlas of DNA methylomes in porcine adipose and muscle tissues, providing a valuable epigenomic source for obesity prediction and prevention. The study found that different methylated regions in promoters play a more important role in regulating gene expression and ar...
A special issue of the EMBO Journal marks three decades of Wnt/beta-catenin signaling research, revealing its crucial role in development and human disease. The pathway's importance is also highlighted in cancer biology.
A new study by University of Notre Dame biologist Beth Archie and colleagues reveals that high-ranking male baboons have better wound healing rates. The researchers found that factors associated with high rank, such as chronic stress and age, suppress immune function in low-ranking males, making them more susceptible to illness.
Researchers found that rats exposed to vinclozolin as fetuses showed increased anxiety, sensitivity to stress, and altered brain activity in their third-generation offspring. This study suggests epigenetic transgenerational inheritance may play a role in the development of post-traumatic stress syndrome and other mental disorders.
A study by Johns Hopkins University and The National Aquarium found that captive dolphins have lower levels of mercury in their systems compared to wild dolphins. This difference was attributed to the diet of the captive animals, which consisted mainly of small fish from North Atlantic waters with lower mercury pollution levels.
Researchers are investigating whether chickens' vocalizations can provide clues to their health and comfort. The study aims to identify specific vocalization features that can be used to detect stress and optimize living conditions.
Researchers describe a new extinct giant turtle species found near the world's largest snake, providing insights into climate change impacts. The study reveals that tropical ecosystems are crucial for understanding regional biodiversity and conservation.
Critically endangered leatherback turtles show distinct travel modes in the North Atlantic and Eastern Pacific, with varying speeds associated with foraging and transit. The study suggests that Pacific turtles struggle to achieve high foraging success, hindering their population recovery compared to Atlantic turtles.
Anthropologists have uncovered the earliest form of wall art, a 1.5-ton block of engraved limestone found in Abri Castanet, southern France. The piece is approximately 37,000 years old and provides evidence of the role art played in the daily lives of Early Aurignacian humans.
Researchers have identified a new way to predict the risk of sudden cardiac arrest by imaging nerve function in the heart. A study involving 204 patients with advanced heart disease found that those with at least 38% denervated myocardium were at highest risk of sudden cardiac arrest.
The Map of Life project demonstrates a Web-based endeavor to show the distribution of all living plants and animals on the planet. The database contains hundreds of millions of records on species abundance and distribution, enhancing knowledge of biodiversity.
Researchers at OHSU and ONPRC have created a new animal model for attention deficit hyperactivity disorder (ADHD), which displays human-like symptoms in mice. The model uses a mutated form of the SynCAM1 gene, found in glial cells, to mimic the condition.
Chinese officials are set to approve a new non-animal test method for cosmetics ingredients, allowing companies like Avon and Esté Lauder to market products in China without animal testing. The move follows guidance from scientists funded by PETA, who helped facilitate the adoption of the 3T3 Neutral Red Uptake Phototoxicity Assay.
Researchers found a genetic trade-off between female sexual maturation and longevity, where delayed reproduction is associated with longer life. Mice with lower IGF1 levels reached sexual maturity later and lived longer.
Recent LSU research has found that orangutans are host to ancient Alu jumping genes more than 16 million years old, which can copy themselves using a method similar to retroviruses. This discovery represents only the second study to identify a driver Alu element and provides promising new evidence for Alu propagation in orangutans.
Researchers used rare earth element analysis to determine that human remains found at Vero Beach dated back to the late Pleistocene epoch around 13,000 years ago. This discovery sheds light on the lives of early North Americans, who likely co-existed with extinct giant mammals like mammoths and mastodons.
Researchers at MIT and NUS have developed a microfluidic system that uses natural margination to separate red blood cells from unwanted cellular components. The system demonstrates highly efficient removal of bacteria and inflammatory cells, with potential applications in treating sepsis.
A study published in Nature shows that relatively few amino acid mutations enable avian H5N1 influenza virus to transmit in mammals. This breakthrough has significant public health benefits and contributes to understanding the pathogen's transmission dynamics.
Researchers at UCLA have developed a novel screening technology to rapidly test metal-oxide nanomaterials for potential health hazards. The method uses high-throughput screening and predicts which materials are most likely to cause oxidative damage based on their electronic properties.
A study of monitor lizards found that midsize lizards are the fastest, suggesting that larger size can create biomechanical constraints. The researchers discovered that above a certain size, lizards change their running style, making them slower.
A recent study has identified 24 new species of skinks, a type of lizard, on Caribbean islands. The newly discovered species are threatened with extinction due to the introduction of invasive mongooses that have been responsible for their decline.
Researchers have successfully converted scar tissue into heart muscle cells using microRNA, a breakthrough that could lead to new treatments for heart attacks and heart failure. The study uses microRNAs as master switches to regulate gene expression, converting fibroblasts into functional heart muscle cells.
Scientists from the University of Bonn found over 60 new paramyxovirus species in bats and rodents, revealing that bats are the original hosts of these viruses. The study suggests that bats may be a reservoir for dangerous viruses, making it challenging to eradicate them.
Researchers found that larger, younger, and more fertile females increase the chances of successful fertilization for males. Monogamous behavior, where males mate with one female, is favored in early morning mating, while bigynous males opt for second mates if they cannot secure a first mate.
Researchers found male bowerbirds growing fruit-bearing plants around their bowers to attract females, using these fruits for decoration. The birds' preferred color of the fruit led to changes in plant selection over time.
Scientists at UNC have developed a new method for delivering long-lasting pain relief through PAPuncture, which mimics the molecular mechanism behind acupuncture. The treatment has been shown to provide up to six-day pain relief in animal models and may be applicable to any area where regional anesthesia is performed.
A new study model has found that cerebral vessel function is altered in just 30 days of obstructive sleep apnea exposure, increasing the risk of stroke. The model developed by researchers at Baylor College of Medicine reveals a link between OSA and stroke, highlighting the need for early diagnosis and treatment.
A study published in Cell Transplantation found that human umbilical cord-derived mesenchymal cells effectively reduced clinical and pathological severity of induced colitis in test mice. The treatment inhibited pro-inflammatory cytokine expression, indicating its potential for treating inflammatory bowel diseases.
Researchers at the University of Vienna found that ravens can distinguish between familiar and unfamiliar individuals, altering their calls to reflect relationship quality. For three years or more, ravens can recall positive interactions with friends and exhibit distinct vocal patterns.
Researchers traced the evolution of mammalian diets across all species, including omnivores, and found that while some groups maintained steady diets, others changed their feeding strategies over time. Today's omnivores originated from ancestors primarily eating plants or animals but not both.
A new study has traced the evolutionary history of mammal diets, revealing that omnivores, including primates, bears, and dogs, came from ancestors that primarily ate plants. The study found that diet is linked to species diversification, with plant-eaters proliferating faster than meat-eaters.
Researchers have identified a previously unknown cellular system that triggers immune and detoxification responses in animals when exposed to toxins or pathogens. This discovery could lead to the development of new treatments for diseases such as sepsis and toxic shock.
The study used DNA sequencing to analyze 15 samples of traditional Chinese medicines, revealing potentially toxic plant ingredients, allergens, and endangered animals. The results highlight the need for regulation and enforcement in the industry.
Researchers found that manatees can hear within the frequency range where boats operate, with good hearing between 8-32kHz and even ultrasonic frequencies. However, their ability to focus on these sounds in nature is uncertain due to environmental factors.