Articles tagged with Animal Research
The new Neuropixels probes enable scientists to monitor neural activity at hundreds of sites within the brain, providing a clearer picture of how different parts work together. Researchers can collect more meaningful data in a single experiment than current technologies allow.
Researchers found that beta wave activity is not sustained but rather occurs in discrete bursts, and the timing of these bursts affects perception. The study's findings provide a better understanding of how beta waves help filter distractions to process sensations.
Researchers discovered that mild mitochondrial stress signals can prevent protein-folding quality control failure and suppress damaged proteins associated with degenerative diseases. This approach doubles the lifespan of C. elegans and may offer a strategy for increasing cellular health and delaying disease risk in humans.
A Penn State study found that glow sticks can greatly increase amphibian captures by up to six times, making it a more efficient and cost-effective method. The researchers used glow sticks to lure adult salamanders and frogs into traps set in vernal pools, resulting in a significant capture rate.
Researchers at the University of California, Davis, have identified 52 potential wildlife corridors in Tanzania, linking protected areas across the country. The study found that nearly a sixth of previously identified corridors may be separated by land conversion.
A new study led by University of Maryland neuroscientists found that subplate neurons, thought to have no role in transmitting sensory information, may conduct such signals after all. This discovery could enable early diagnosis of autism and other cognitive deficits.
New research has found that protecting high carbon stock forests can benefit mammal diversity and support biodiversity conservation. The study used camera-trap images and satellite imagery to show a clear correlation between high carbon areas and endangered mammals in Borneo.
Researchers at University of California San Diego have found a new pathway called Intracellular Pathogen Response (IPR) that helps animals cope with certain types of stress and attacks, including heat shock. The study reveals the IPR gene pals-22, which increases tolerance to heat shock when expressed in roundworms.
A recent study published in Systematic Biology reveals that piranhas and goldfish are more closely related to catfishes than previously thought. The researchers used ultraconserved elements to reconstruct a Tree of Life for Ostariophysi fishes, revealing surprising relationships among the Characiformes order.
Researchers found that activating programmed cell death (necroptosis) in white blood cells leads to inflammation and auto-antibody attachment, contributing to disease progression. Inhibiting necroptosis may offer a new treatment approach for ANCA vasculitis.
Researchers employed MultiMAP technology to monitor nerve cells' activity in zebrafish brains, linking each neuron to its specific cell type. This method revealed distinct neuronal circuits not previously suspected to be associated with alertness, shedding light on the forces driving this essential brain state.
A new study in Nicaraguan children pinpoints a narrow window of antibody levels that enhances reaction to severe dengue, shedding light on the long-standing phenomenon of antibody-dependent enhancement (ADE). The findings hold important implications for vaccine development against dengue and related flaviviruses like Zika.
Researchers found that male woolly mammoth specimens were more common in the fossil record due to their tendency to travel alone and fall into natural traps. The discovery highlights the utility of fossil remains for studying extinct animal behavior and social structures.
Researcher suggests a wide range of animal species exhibit executive control when making decisions, consciously considering their goals and ways to satisfy them. Studies have shown that elephants, chimpanzees, ravens, and lions engage in rational decision-making, remembering specific events, using tools, and solving problems.
Scientists from Moscow State University have discovered the evolutionary pathways of groups of invertebrates with specific tentacular apparatus - the lophophore. The study reveals that lophophorates are the closest relatives, with a common ancestral morphology.
A study published in the Journal of Human Evolution found that humans do not have uniquely expensive brains, challenging a major dogma in human evolution studies. Researchers measured the cross-sectional area of cranial arteries and brain glucose uptake to compare brain costs across 22 species.
A study found that captive bears fed a diet high in saturated fats and low in polyunsaturated fats did not develop insulin resistance or other diseases. However, mild inflammation and heart strain were observed, raising concerns about the long-term health of bears in the wild that feed on human refuse.
Scientists have developed a theory explaining how animals adjust their movement patterns in response to environmental cues such as food, predators and mating partners. The research reveals the complex interplay between an animal's force, drag, and behavioral response to environmental signals.
A recent study published in the journal Appetite found that marketing food as a 'meal' rather than a 'snack' can lead to reduced consumption and overeating. Researchers discovered that participants who consumed pasta labelled as a 'snack' ate more at a subsequent taste test compared to those who had eaten it as a 'meal'. This suggests ...
Artificial beta cells mimic the body's natural glucose-controllers and can be subcutaneously inserted into patients or delivered via a painless skin patch. In lab experiments and animal models, they demonstrated rapid responsiveness to excess glucose levels and normalized blood glucose levels in diabetic mice.
The publication of the buffalo genome provides essential reference point for studies on molecular genetics, helping breeders enhance desirable characteristics and researchers preserve diversity. A molecular tool, Buffalo SNP chip, has been developed to apply modern molecular breeding systems to water buffalo.
Parthenogenesis is favorable for appearance and further existence of groups when population density is low, allowing rapid reproduction. Phytophagous insects reproducing by thelytoky can cause significant harm to agriculture and forestry.
Margaret C. Crofoot receives a prestigious Alexander von Humboldt Professorship worth five million euros to further Collective Behaviour research at the University of Konstanz. The professorship aims to create a cutting-edge international research facility, bringing together experts from various fields.
A study identified 1,189 highly threatened vertebrate species on 1,288 islands with invasive species, which may endanger their survival. Conservation efforts, including biosecurity and funding strategies, are crucial to protect native animals on islands with invasive species.
Researchers found that a baking soda solution was the most effective at removing pesticide residues from organic Gala apples. After 12 and 15 minutes of washing, 80% of thiabendazole and 96% of phosmet were removed. The study suggests that this simple method could be an effective strategy for cleaning pesticides off produce.
A new species of mega-carnivore has been discovered in southern Africa with footprints measuring 57cm long and 50cm wide. The estimated body length of the dinosaur is around nine meters, four times that of a lion, making it one of the largest carnivores to roam the continent.
A new study reveals that bat wing prints can be used to identify individual bats with high accuracy, similar to fingerprint identification. The technique involves analyzing the unique patterns of collagen-elastin bundles in wing tissue, which remain intact even when wings are damaged.
The discovery of exceptionally well-preserved microfossils in Mongolia's Khesen Formation may confirm the existence of animal ecosystems earlier than previously thought. The cache, comprising eight genera and 17 species, represents a critical transition in life's history.
A recent study by Sjouke Kingma found that birds help other birds of the same species care for their offspring in exchange for future benefits, such as inheriting territory or creating an army of little helpers. This behavior challenges the traditional view that all creatures are selfish and maximizing their own reproductive success.
A new species of manakin bird was discovered in Peru by analyzing its distinct song. The newly identified species, Machaeropterus eckelberryi, differs from local subspecies and shares similarities with Venezuelan tepuis birds.
Researchers found genetic differences between UK and Dutch great tits linked to longer beaks in UK birds. The team suggests that natural selection is at work, with birds with genetic variants for longer beaks visiting feeders more frequently, leading to successful reproduction in the UK but not in the Netherlands.
Researchers identified a link between lower levels of defective viral RNA molecules and increased flu severity. The findings suggest that these molecules could serve as a general marker for predicting disease severity in influenza A virus-infected patients.
Researchers analyzed complete mitochondrial genomes from ancient saber-toothed cat samples, finding that the two species shared a common ancestor about 20 million years ago. The study suggests that saber-toothed cats continued to live in Europe much more recently than previously thought.
WPI scientists creating autonomous snake-like robots to navigate rubble and confined spaces, sending images and information to search-and-rescue teams. The robots will use integrated deformation sensors to control motion and make decisions autonomously.
Researchers found that even small exposures to oil caused hemolytic anemia in birds, affecting growth, organ function, and reproductive success. The study highlights the widespread impact of oil spills on avian health.
Research reveals a staggering 76% decline in insect biomass in German nature reserves, with average summer decline reaching 82%. The exact causes are unclear, but experts warn of potential ecological traps and call for increased monitoring and conservation efforts.
Researchers found that roundworms can prime a defense mechanism when exposed to the scent of a lethal bacterium, increasing cell survival. This discovery could lead to a non-pharmaceutical treatment for neurodegenerative diseases by stimulating the same sensory trigger in humans.
Researchers have developed a novel reagent to detect rare B cells indicating successful vaccination in veterinary animals. The method will be widely applicable for demonstrating immunity to other veterinary pathogens.
Researchers found that blocking IL-17A and IL-17F significantly reduces symptoms of severe allergic asthma in mice. The study suggests a new potential treatment for people with this condition, by preventing the production of pro-inflammatory molecules triggered by T-helper cells.
Researchers found that every captive orca examined had damaged teeth, with over 65% displaying moderate to extreme tooth wear. The study suggests that daily flushing of chemicals can lead to chronic antibiotic therapy compromising the whale's immune system. The findings raise serious concerns for the health and welfare of captive orcas.
Researchers found that herbivores, such as limpets, play a crucial role in maintaining ecosystem diversity and resilience. By controlling temperatures and promoting biodiversity, these species can mitigate the effects of climate change on intertidal ecosystems.
Researchers at the University of California, Irvine have been awarded a federal grant to develop a genetically engineered mouse model that more closely mirrors human Alzheimer's disease. The new mouse will enable superior testing of therapies designed to slow or prevent the disease, according to experts.
A new study reveals that mass extinctions have predictable consequences, leading to low diversity and the emergence of dominant species. The researchers analyzed nearly 900 animal species between 260-175 million years ago and found a global pattern of 'disaster faunas'.
A new study by the University of Exeter suggests that Quorn protein may be as effective as animal-based proteins in building muscle. The research compared Mycoprotein, a fungi-based protein source found in Quorn foods, to milk protein and found equivalent bioavailability.
An international team has produced a catalogue and atlas of the world's reptiles, linking it with existing maps for birds, mammals, and amphibians. The new data reveals urgent conservation concerns, including drylands and deserts, where conservation action is vital.
Researchers have developed a carbon monoxide-iron-based therapy that can inhibit the effects of rattlesnake and other venomous snakebites for up to an hour in animals. The therapy blocks hemotoxic venom enzymes, preventing destruction of blood's ability to clot and reducing the risk of internal bleeding and organ damage.
Researchers found that birds with related or familiar neighbors had better body condition and telomere length, indicating improved health and aging. The study suggests that keeping good neighbors is crucial for wild animals' well-being, particularly in densely populated areas.
Researchers developed a method to predict parasitism rates using interaction preferences, allowing for efficient prediction without extensive field data. The approach was tested in three countries and found consistent patterns, enabling the design of models that capture systematic shifts in interaction preferences.
A new test allows accurate, rapid testing for Salmonella, a leading cause of food-borne illness. The test detects the bacteria in environmental and clinical samples, reducing diagnosis time from five days to 24 hours.
Researchers used genetic sequencing to confirm that Ball's Pyramid stick insects are the same species as Lord Howe Island's, making them officially resurrected. The discovery provides hope for reintroducing the insect into its native home on Lord Howe Island.
The study found that neurons on the upper-layer cerebral cortex play a crucial role in gyrus formation, and that Cdk5 is an important gene involved in this process. This breakthrough could lead to a better understanding of brain evolution and development, as well as new treatments for diseases caused by gyrus impairment.
Researchers predict warming temperatures will alter forage growing season timing but have minimal effect on summer heat stress in dairy cattle. Poultry producers may benefit from lower energy costs, while beef cattle production could increase due to warmer conditions and more forage availability.
Researchers from Finland's Universities of Turku and Helsinki have identified dozens of prey species consumed by adult dragonflies using DNA analysis of faecal samples. The study provides unprecedented specificity on the position of dragonflies in natural food webs.
Researchers found that birds learned about object properties through exploration before using them to solve tasks. The study suggested that playful exploration enables animals to gather information about their physical world, leading to creative problem-solving.
Researchers observed that birds slowed down and increased vocal activity at the 'Tribute in Light Memorial' when illuminated by artificial light. The effects disappeared once the installation was extinguished, suggesting urban lighting may impact nocturnal bird migration patterns.
A new study reveals that internal physical states can serve as contexts that cue specific learned behaviors, such as seeking food. Researchers found that rats conditioned to associate fullness with receiving treats pressed the lever far more often when they were full than hungry, suggesting a relapse pattern.
Researchers found prairie strips increase insect and bird biodiversity and nutrient retention while reducing water runoff. Fields with prairie strips experienced minimal loss in crop production compared to fields without them.
A study investigated whether raccoons understand the principles of water displacement by solving an ancient Greek fable-inspired puzzle. Raccoons were trained to drop stones into a tube to retrieve floating marshmallows, showing innovative problem-solving abilities.
A study by Dr Alastair Harry found that nearly a third of shark populations had underestimated ages, with an average underestimation of 18 years. This could lead to inefficient management and research priorities, affecting the many disciplines relying on baseline life history data.
Global antimicrobial use in animals is projected to rise by 52% by 2030, threatening antibiotic efficacy. Implementing policies such as user fees and stricter regulation could mitigate this trend.