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.
A study by Columbia University researchers found dramatic spatial and environmental variation in social behavior among birds globally. Environmental factors like temperature and rainfall influenced the incidence and distribution of family-living species.
Researchers at the University of Kentucky have discovered that plasminogen accelerates prion disease progression. The study identifies plasminogen as a potential therapeutic target for prion diseases, which could improve treatment options for patients.
A team of researchers from University of Missouri and Columbia University successfully regenerates complete shoulder joint surfaces in animals using the patient's own cells. The new technique eliminates the need for multiple surgeries to harvest and implant cells, making it a promising alternative to metal and plastic joints.
Researchers at MIT's Picower Institute for Learning and Memory found that some neural sequences in mice' brains that fired during a novel experience had already occurred before the animal rested. This phenomenon, called preplay, helps encode related experiences occurring in the future.
Research reveals that the mechanistic target of rapamycin complex 1 (mTORC1) pathway plays a crucial role in reducing ketone production, a hallmark of aging in mice. The study found that activating mTORC1 decreases ketogenesis, and suppressing it prevents the decline in ketone levels associated with aging.
New research reveals that children with autism are unable to search effectively for objects in real-life environments, contrary to previous findings. This skill is crucial for achieving independence in adulthood.
A new analysis by Field Museum scientists found that 44 theropod species distributed across six major lineages were eating plants, with the ancestor to modern birds likely losing its appetite for flesh alone. The study suggests that iconic predators like Velociraptor and T. rex should be viewed as exceptions rather than the rule.
A study by University of Sheffield found that food in early life influences fertility in both men and women. Men and women born into poor families with limited crop yields during critical periods had lower reproductive success.
Scientists confirm environmental limits to species diversity, extending the concept over a million years through lizard study in the Caribbean. Larger islands tend to support more distinct species of lizards.
Researchers discovered that humans share a method of sensing oxygen with the simplest known living animal, Trichoplax adhaerens. This finding suggests that the oxygen-sensing mechanism evolved around 550 million years ago, coinciding with the emergence of complex multicellular animal life.
Researchers at Scripps Institution of Oceanography have discovered a unique defense mechanism in the clusterwink snail, which uses its shell to scatter and spread bright green bioluminescent light. The study found that this diffused light may be used to create an illusion of a larger animal, deterring predators.
Researchers found that mechanical shaking was more effective than manual shaking in removing yellowjacket queens from Christmas trees. The study also showed that pre-harvest insecticide sprays can be 100% effective in killing yellowjacket queens, even after heavy rainfall.
Researchers at the University of Hawaii have developed a new mouse model that reveals how patterning and developmental proteins influence cervical vertebrae formation. The study, led by Dr. Jinzeng Yang, aims to improve understanding of congenital cervical vertebrae malformation in humans.
Researchers at Caltech, with support from the Air Force Office of Scientific Research, have found that flies follow horizontal edges to regulate altitude, unlike earlier studies suggesting they measure motion beneath them. This edge-following behavior is similar to their steering mechanism and relies heavily on vision.
A study published in BioScience found that nonindigenous insects are being detected at a rate of 2.5 per year, with high-impact insects and pathogens causing tree death and other effects every 2 to 2.5 years. The researchers advocate strengthening efforts to prevent arrivals of nonindigenous organisms.
A recent study found that most deep-sea animals at Monterey Bay whale falls are not unique to these sites, but rather common in other deep-sea environments. However, certain species, such as Osedax worms and snails, play a crucial role in controlling community development.
Research reveals that exposure to fine-particulate air pollution in early life increases abdominal fat and insulin resistance in mice, regardless of diet. The study suggests a potential mechanism for pollution's effects on health, highlighting the need for therapeutic options targeting specific genes.
A new study found that botulinum toxin A causes muscle weakness in muscles far removed from the injection site, even after repeated use. The study also reveals muscle atrophy and loss of contractile tissue in non-injected limbs.
Researchers at the University of Cambridge found that brain disruptions cause confusion between memories, leading to false remembering. This insight could lead to new treatments reducing memory confusion and improving daily functioning for patients.
Researchers identified top 100 known insect pests most likely to establish in the US and individual states, finding that many pests are missing from neighboring states. The study found significant negative relationships between state size, biodiversity, domestic air passengers, and GDP and absent pest species.
Boa constrictors use a unique concertina mode of locomotion to grip and climb ropes of different diameters, adapting their movement based on environmental conditions. The study provides insight into the animals' musculoskeletal design and its relation to their natural habitat.
Researchers at Tel Aviv University have made a groundbreaking discovery that mechanical stress is instrumental in several key phenomena in neuronal development. The team used insect cells, including those from the desert locust, to build an in vitro nervous system and observe how neurons form a network.
Researchers found that mammal body size patterns changed dramatically after the dinosaurs went extinct. The study, funded by NSF, reveals a thousand-fold increase in mammalian body size over time.
After the dinosaurs' demise, mammals grew significantly in size, from about ten kilograms to 17 tonnes, with consistent patterns across continents and time. The largest mammal, Indricotherium transouralicum, weighed around 17 tonnes.
The study analyzed an enormous database of information about the largest mammals, revealing a consistent pattern in their evolution globally. Mammals evolved to be much larger after dinosaurs went extinct, peaking in size around 34 million years ago.
After the dinosaurs disappeared, mammals grew dramatically in size, with some reaching 17 tonnes, and ecosystems reset relatively quickly. The study reveals that climate and space availability limit mammalian size, with no single group dominating the largest class.
Large predator species like tigers and polar bears are more vulnerable to environmental changes than smaller species due to their high energetic costs. They require more energy to find food, making them more susceptible to population declines.
Researchers at Stanford University School of Medicine have successfully transformed normal human tissue into three-dimensional cancers for the first time. The new technique allows for quick and cheap testing of anti-cancer drugs without laboratory animals, providing insights into how human cancers act in the body.
Researchers found fragments of viruses, including hepatitis B and Ebola, integrated into the genomes of insects and animals. The discovery could provide insights into the evolutionary history of viruses and inform approaches for controlling disease.
Researchers have discovered strikingly similar immune defense systems in plants and animals, including receptors that recognize and bind to specific molecules on invading organisms. This knowledge can lead to new drug targets for deadly bacteria with no effective treatments.
University of Alberta researchers found a mysterious link between an ancient African lizard and the Komodo dragon. The unique vertebrae shape suggests a shared ancestry, challenging prevailing theories about migration patterns.
Researchers have identified brain changes in people with Alzheimer's disease, suggesting new diagnostic markers and therapeutic targets. These findings may help identify individuals at risk and improve early detection, potentially leading to more treatable stages of the disease.
Research by University of Alberta graduate student Scott Persons reveals T.rex's long tail was a key factor in its exceptional speed. The dinosaur's caudofemoralis muscles, attached to upper leg bones, provided the power stroke for fast forward movement.
Studies show that prenatal drug exposure, maternal smoking, and early-life infections can alter brain development, increasing the risk of learning disabilities, behavioral problems, and mental disorders. The research highlights the importance of educating mothers on avoiding harmful substances during pregnancy.
Researchers track how brains navigate and remember settings using video game-inspired technologies. Studies show that speed of exploration alters memories, while exercise in virtual environments improves stroke patients' arm function.
Researchers found that Fat Sand Rats exhibit symptoms of depression when exposed to short light hours, similar to those experienced by humans with Seasonal Affective Disorder. The rats responded well to common SAD therapies, including bright light exposure and medications, suggesting a viable animal model for studying affective disorders.
Researchers found that gopher tortoises released earlier were three times more likely to produce offspring, suggesting a social hierarchy's impact on breeding patterns. Introducing females instead of males or increasing female numbers could lead to successful population augmentation.
Researchers found that plugged females mated just as often and were more attractive than unplugged ones. Plugging improved female fitness by increasing egg production, suggesting a male's act may be beneficial to its partner. The study reveals new insights into the reproductive behavior of nematode worms.
Researchers developed a new animal model that uniquely identifies genes associated with increased resistance to disease in high-runners, which could help explore mechanisms underlying complex diseases and develop effective diagnostics and therapies.
Ancient ocean sediments revealed phosphorus played a crucial role in establishing the first animals on Earth. Oxygen levels surged due to phosphorus, allowing complex life forms to emerge.
Researchers can now study the mouse brain in unprecedented detail, thanks to a new atlas that provides a 3D reference point for genetics, toxicology, and drug discovery. The atlas features images with resolutions up to 21 microns, eliminating variability issues associated with conventional histology.
Scientists found significant brain changes in response to drinking among dopamine receptor-deficient mice, suggesting genetic influence on alcohol's effects. This study supports the idea that genetic screening could help individuals understand risks associated with alcohol consumption.
Researchers developed a sensor that uses frog peptides to test for drug and medical device contamination, reducing the need for horseshoe crab blood. The new technology could help save endangered species like the red knot, which relies on horseshoe crabs for food.
Scientists have developed a new method to detect transmissible spongiform encephalopathies, progressive and fatal neurological diseases, in cattle and humans. The technique uses fluorescence technology to identify distinct differences in the fluorescence signatures of retinas from infected animals.
Researchers investigated wild cat flank markings to understand the evolution of patterns, finding that dense habitats and low light levels drive patterning. This suggests that complex patterns like leopard spots evolve for camouflage.
A study by Prof. David Eilam and his team found that group members display the same level of anxiety when exposed to a common threat, regardless of individual differences. This result has implications for helping clinicians better treat victims of trauma or terror, such as in the case of the 9/11 attacks.
Researchers at Brown University have developed a well-defined animal model of preeclampsia, allowing for experiments to shed light on the disease's cause. A potential lab test has also been developed to diagnose the disease in people, predicting problems as early as 12 weeks into pregnancy.
The US Department of Defense has awarded a $1.5 million grant to develop and test nanoemulsion technology against a wide range of wound infections, including drug-resistant forms. The project aims to create a broadly effective treatment that can prevent infection, increase survival and enable rapid healing in wounded military personnel.
A 55-million-year-old extinct mammal, Labidolemur kayi, has been found to share a common ancestor with rodents and primates. The study reveals minute details in the skull, including bone structures smaller than one-tenth of a millimeter, which provide valuable information for understanding the origin of primates.
Researchers have found that Labidolemur kayi shares similarities in bone features with other mammals, indicating its living relatives are rodents, rabbits, flying lemurs, tree shrews and primates. The study provides valuable information for understanding the origin of primates.
Researchers discovered that the North American comb jellyfish generates a hydrodynamically silent feeding current using microscopic cilia. This allows it to approach and capture copepod plankton with ease, despite their acute escape response.
Researchers at UT Southwestern Medical Center have created an experimental vaccine that stimulates more than 10 times as many antibodies against beta-amyloid as similar DNA vaccines. The new approach shows promise in generating enough antibodies to be useful clinically in treating patients.
In a breakthrough study, researchers found that female cichlid fish develop exceptionally large pelvic fins, differing from male fins in shape and color. Males prefer females with larger pelvic fins, leading to the growth of disproportionately sized fins.
The Entomological Society of America honored 17 professional and student award winners for their contributions to insect science. The awardees include Dr. George G. Kennedy, a renowned expert on insect management, and Dr. Sharron Quisenberry, who has made significant contributions to conservation and germplasm development.
Common frog populations across the UK are experiencing dramatic population crashes due to Ranavirus infection, with an average 81% decline in adult frogs over a 12-year period. The research also suggests that some frogs may have immunity to the disease, offering hope for their long-term future.
Researchers found that desert night lizards stay with their parents and siblings for several years after birth, forming family groups. The study suggests that viviparity provides the opportunity for prolonged interaction between mothers and offspring, predisposing animals to form cooperative behaviors.
Researchers used DNA analysis to identify the Passenger Pigeon's closest living relatives, revealing that it was most closely related to other North and South American pigeons, not the Mourning Dove. The study also sheds light on the bird's extinction, which was caused by human hunting and habitat destruction.
Researchers at University of Wisconsin-Madison have found rhesus macaques can recognize themselves in a mirror under specific conditions, contrary to previous assumptions. This discovery may refine the use of the mark test and challenge existing theories on self-awareness in primates.
A new study found that mice subjected to early weaning and maternal separation exhibited long-lasting hyperactivity and anxiety. The researchers hope to use this model to investigate the effects of childhood neglect on human behavior.
Research by Dr. Carlos Herrera found that withered petals form a protective barrier around seeds, preventing insect damage and increasing seed ripening rates in lavender. However, the role of petals in plant fertility is complex and requires further study.