Researchers found that venomous rattlesnakes are slightly more vulnerable to threats in colder temperatures, but not significantly so. The snakes were able to strike quickly even at low temperatures, suggesting they may be using a mechanism beyond muscle contraction.
A study published in Journal of Cereal Science found that buckwheat enhances the production of SIRT1, a protein linked to increased life expectancy. The experiment involved adding 30% buckwheat to rats' diets, resulting in higher SIRT1 levels without weight loss.
Scientists have found that brown-throated three-toed sloths adapt to a primarily diurnal schedule in highly disturbed environments where predators are extinct and food is more accessible. The study suggests that the animals developed a more synchronous pattern of activity to thrive in the challenging environment.
Researchers at the University of New Hampshire have identified a quicker and less expensive way to count sperm in lobsters using DNA technology. This new method could help scientists better understand mating and population sustainability in various species.
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Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.
St Petersburg University scientists analyzed microgastropods in the eastern sector of the Arctic, discovering at least 66 species. The study helps understand biological diversity, ecosystem responses to climate change and environmental pollution.
The PETA International Science Consortium Ltd. has co-launched a six-part webinar series focusing on the applications and benefits of animal-free recombinant antibodies for COVID-19 treatment and research. Experts from industry, government, and academia will share their work on human-relevant, non-animal testing strategies.
Researchers found a unique arrangement of pigment-packed granules in the skin of certain deep-sea fish, enabling them to absorb nearly all light. This discovery may lead to the development of more efficient ultra-black materials for optical technology and camouflage.
Researchers found that addressing habitat loss, snowpack variation, and other factors are crucial to saving the endangered species. The study suggests that a renewed emphasis on securing habitat is necessary to protect mountain caribou from extinction.
Neurobiologists at Ludwig-Maximilians-Universität München found the brain requires disproportionate amounts of oxygen for energy consumption. The study directly correlates oxygen consumption with nerve cell activity, showing that only about 50% of oxygen is used for nerve cell function.
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Scientists at WFIRM have successfully engineered uterine tissue that supports fertilization, fetal development, and live birth. The study's findings suggest a regenerative medicine solution to treat uterine defects, avoiding organ rejection and the need for antirejection drugs.
Scientists developed a software tool called halSynteny to quickly find similar parts in the genomes of different animals. The program uses an alignment method and is more efficient than other tools, allowing for accurate comparisons and understanding of species' evolutionary relationships.
A new study reveals that global forest loss is amplifying both gains and losses in species diversity, leading to changes in ecosystems. The research found that some tropical areas experience significant declines in animal species due to forest loss.
New international research reveals that forest cover loss amplifies both gains and losses in global biodiversity. The study, spanning 150 years and over 6,000 locations, finds that forests support around 80% of all land species, with some species declining rapidly after forest loss.
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Researchers found that thorns in citrus plants arise from stem cells, which undergo a programmed arrest to create the sharp pointy end. This discovery may lead to safer fruit harvesting and more fruitful orchards.
A giant, soft-shell egg from about 66 million years ago has been discovered in Antarctica, challenging prevailing thought that such creatures did not lay eggs. The egg is the largest soft-shell egg ever found and may have belonged to an extinct sea lizard or mosasaur.
Two new tanaid species were discovered by NUS researchers in the eastern Pacific Ocean, providing insights into biodiversity in the Clarion-Clipperton Zone. The discovery is significant for environmental management, as it sheds light on the ecosystems and potential resource areas of this understudied region.
Monk parakeets seem to understand where they fit in a dominance hierarchy and pick their fights accordingly, improving or maintaining their status. This ability helps animals make aggression decisions by processing different types of information.
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Palaeontologists from St Petersburg University have created the most detailed virtual 3D-model of the endocranial cast and blood vessels of the head of an ankylosaurian. They found that ankylosaurs had a unique cooling system, an extremely developed sense of smell, and could hear low-frequency sounds.
An international team recommends integrating biological variability into experimental design to produce more generally valid results. This approach, called systematic heterogenisation, aims to reduce the number of experiments needed while increasing their reproducibility.
Researchers from St Petersburg University have deciphered the Intoshia variabili gene, revealing a genome size of 15.3 million base pairs and 5,120 genes, including orphan genes unique to orthonectids. The study provides genetic evidence that orthonectids belong to Annelida, a type of animal with no real intraorganism parasites.
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Scientists analyzed extinct and living lions' genomes to determine when species diverged, finding modern Indian lions lack genetic diversity due to inbreeding. This reduction threatens the species' survival, making conservation efforts crucial.
A new study from the University of Sheffield reveals that bird species' development time is influenced by their lifestyle, environment, and evolutionary history. The research found that 'live fast die young' strategies allow birds to maximize offspring production in short periods.
A novel neural circuit has been discovered in rats that responds to the sound of silence, triggering defense responses. The study found that a specific combination of brain regions, including those involved in sound processing and emotional responses, are necessary for rats to freeze in response to silent danger.
Scientists found a correlation between pack hunting and dietary diversity, which is rare in animals that hunt in groups. The study suggests raptors likely only hunted solo or with limited cooperation.
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A new wireless biologging network enables high-resolution tracking of small animals, even in closed habitats. The system allows for fully automated tracking and proximity-sensing at high spatial and temporal resolution.
Researchers found that copper hydroxychloride improves pigs' ability to utilize fat after absorption, leading to increased energy utilization. The element enhances lipid metabolism in the liver, adipose tissue, and muscle, enabling better feed conversion rates and economic savings.
The PETA International Science Consortium Ltd. has contributed to the development of EpiAlveolar, a human cell-based alveolar model that can simulate the effects of inhaling different substances on the human lung. This breakthrough technology allows for the testing of chemicals and other respirable materials without animal testing.
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Researchers found that rats prioritize providing food assistance to those in need, as indicated by the 'smell of hunger'. Seven volatile organic chemicals differed significantly between hungry and satiated rats, serving as a reliable cue for reciprocal cooperation.
Researchers have found that squid edit their genetic instructions outside the nucleus, in the axon, allowing for localized protein function adjustments. This discovery has implications for understanding neurological disorders and potentially harnessing natural RNA editing processes for therapeutic benefits.
A recent study found that rates of climatic-niche evolution are similarly slow in both plants and animals, with only slight variations across different clades. This research highlights the importance of understanding climate change impacts on species distribution and evolution.
The team discovered a tiny, wormlike creature named Ikaria wariootia, the earliest bilaterian ancestor of modern animals, including humans. The creature lived over 555 million years ago and had a distinct head and tail, with rudimentary sensory organs.
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Researchers studied vampire bat social dynamics in captivity and found that trust builds over time through grooming and smaller mutual investments. Almost 15% of unfamiliar female adult bats formed food-sharing relationships after 15 months together, suggesting that even strangers can develop strong bonds.
Researchers have developed a mini movie theater to measure the color spectrum visible to fiddler crabs, revealing their ability to discriminate between different wavelengths of light. The device uses blue and green light-emitting diodes and tilted screens to stimulate the crabs' reaction.
Researchers at NCBS discovered that dopamine released by nerve cells activates faster motor neurons, allowing zebrafish to swim faster. This finding suggests motor neuron plasticity can be exploited for rehabilitation after spinal cord injury or stroke.
A team of researchers led by Dr. Matthew Knope found that ecologically diverse animal groups are more resistant to extinction and dominate the modern ocean's biodiversity. The study analyzed fossil and living marine animals over 500 million years, showing a link between diversity and resistance to mass extinctions.
Researchers found that mantis shrimp's hammer blows are significantly weaker in air compared to water, with forces averaging only 18 km/h. The crustaceans may be downgrading their attacks to avoid joint damage and injury.
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Researchers at Yale University found a unique brain signature associated with pro-social and anti-social decisions in monkeys. Monkeys prefer to drink alone when faced with the option of sharing fruit juice with another monkey.
Researchers identified a new genus and species of salamander from the Middle Jurassic period, approximately 166-168 million years ago. The fossil discovery provides insight into the evolution of stem salamanders and their ecological niches.
Biologists from Bayreuth investigate the role of Mauthner cells in fish and amphibian species, revealing a strong hierarchical dependence on these cells for essential functions. The researchers discovered that Mauthner cells remain functional without their cell bodies, contradicting widespread assumptions about nervous system hierarchies.
The white-lipped peccary population in Central America has declined by up to 87%, with current IUCN estimates severely underestimating the actual decline. The species plays a critical ecological role and is highly vulnerable to human influence and forest loss.
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Biology student Jenny Yi-Ti Sung studies how Beijing operas convey details about motivation and character through colorful masks. Her research reveals recurring archetypes and facial features, similar to those found in jumping spiders, which use pattern and color to communicate species, sex, and romantic intentions.
Researchers found that jewel beetles' bright colors can act as a form of camouflage, outperforming dull-colored counterparts in detection avoidance. The ability to remain hidden became even more pronounced when the iridescent wing cases were placed against a glossy leaf background.
Researchers have identified a genetic signaling pathway that limits tissue growth in planarian flatworms, allowing for precise regeneration and repair. The mob4 gene suppresses tissue growth by preventing the production of Wnt, a protein involved in cancer cell regeneration.
A new Stanford study finds that analyzing DNA in soil can identify nearly every animal present in an area, including rare species, with high accuracy. The technique also distinguishes between similar-looking animals and has potential to reveal previously unknown species diversity.
Researchers found a 550-million-year-old fossilized digestive tract that challenges our understanding of early animal evolution. The discovery resolves the debate over the evolutionary positioning of cloudinid fossils from the Ediacaran Period.
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African grey parrots exhibit prosocial behavior by helping others obtain food rewards, even when it's not in their immediate interest. They also reciprocate favors and are tolerant of unequal treatment due to their long-term monogamous nature.
A team of scientists found that whale body size is limited by the availability of their prey, with filter-feeding whales achieving the largest body sizes due to a high-energy payoff. Toothed whales, on the other hand, are limited by the energy spent chasing large prey in deep-sea environments.
Researchers have identified a new species of bobtail squid in Okinawa's waters, named Euprymna brenneri, which is the eleventh known in the Euprymna genus. The discovery highlights the rich biodiversity of cephalopods off the coast of Okinawa and may shed light on their genes, behavior, and development.
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Human screams share specific acoustic characteristics, including higher pitch and roughness, variability in frequency, and a wider range of sound waves. Listeners can readily distinguish screams from other human calls, highlighting the unique properties of this primal human call.
The Quantitative Colour Pattern Analysis (QCPA) framework uses digital image processing techniques to analyze complex visual information in animals. This enables researchers to understand how animals see the world, including color patterns and behavior, which drives their behavior.
Researchers found that harbor porpoise calves carry a more neurotoxic mixture of PCBs than their mothers, who detoxify themselves by transferring the chemicals through lactation. The study highlights the need to monitor individual chemical composition to better understand the risk posed by these chemicals.
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Researchers describe an extremely well-preserved pterosaur specimen from the Afro-Arabian continent, shedding light on the evolutionary history of these creatures. The study suggests that this type of pterosaur likely fed on crustaceans and lived in shallow marine waters during the Late Cretaceous period.
During diving, blue whales exhibit extreme bradycardia, with heart rates as low as 2 beats per minute. This contrasts with their normal resting heart rate of 15 beats per minute, highlighting the circulatory system's adaptability to accommodate deep dives.
Researchers discovered that an extract from ginseng can induce Enterococcus faecalis, which produces myristoleic acid to activate brown adipose tissue and reduce adiposity. Increasing BAT activity could be a novel therapeutic approach for obesity and related diseases.
Researchers at ETH Zurich have created a protective membrane made of cellulose that significantly reduces fibrotic tissue formation around cardiac pacemaker implants. The membrane's unique surface structure impedes protein deposition and cell adhesion, leading to reduced tissue growth and improved surgical outcomes.
Researchers found that clay can improve the degradability of feedstuffs in lactating cows, reducing aflatoxin and subacute ruminal acidosis symptoms. Clay was added to six different feedstuffs at varying percentages, showing improved digestibility and fat utilization.
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Researchers from Yale School of Forestry & Environmental Studies propose a new framework for understanding same-sex behavior in animals, arguing that these behaviors are not costly but rather neutral and advantageous. They suggest that these tendencies likely evolved in the earliest forms of sexual behavior and may be more common than ...
Researchers studied Drosophila and Chymomyza flies, revealing two possible explanations for arrhythmic behavior in high-latitude species. The study suggests that strong behavioral rhythms may be a disadvantage in polar regions, but certain characteristics could aid survival.
Scientists have identified a new subspecies of fin whale in the northern Pacific Ocean using genetic research, highlighting the diversity of marine mammals. The finding reveals that fin whales have been separated for hundreds of thousands of years and can be assigned to their ocean of origin using genetic data.
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Researchers have identified two types of dinosaur footprints in Switzerland, Portugal, Spain, and Morocco that suggest large predators strolled between the two continents. The footprints belong to carnivorous theropods similar to Tyrannosaurus rex.