A study published in BioScience reveals that 61 percent of the world's 356 turtle species are threatened or extinct, which could have ecological consequences. Turtles play a crucial role in maintaining healthy food webs and dispersing seeds, making their decline a concern for ecosystems around the globe.
A beetle that tricks bees into carrying it into their nests has adapted its deceptions to local hosts, according to research. The larvae of the beetle lure male digger bees with chemical signals mimicking female sex pheromones, allowing them to feed on bee eggs and provisions.
The University of California, Davis, is targeting underrepresented students in geoscience fields through a five-year project funded by the National Science Foundation. The initiative aims to increase diversity in these areas by providing scholarships and field experiences for eligible students. It will also test a research question abo...
Researchers at UC Davis have created artificial cells that can sense, react, and interact with bacteria, as well as detect and kill them. These artificially engineered cells mimic the essential features of live cells but are short-lived and cannot reproduce themselves.
A new study found that a parental training program improved toddlers' physiological regulation and sensitivity towards their children, which can lead to better emotional and social development. The study showed that the program reduced foster care placements and improved parents' behavior.
The discovery of the Bombali virus in Sierra Leone's bats marks a significant breakthrough for the PREDICT project, which aims to find viruses before they spillover into humans. The finding suggests that bats are likely hosts of ebolaviruses and underscores the importance of understanding their role in preventing Ebola outbreaks.
A UC Davis study found significant variation in how water managers engage with climate information, with perspectives clustering by cultural terms. The researchers identified three types of manager's temporalities, from those who closely model futures to those who disregard climate change.
A UC Davis study found that countries with high women's labor force participation support equal rights, while liberal Western nations endorse individualism. Former socialist states maintain patriarchal views, despite strong maternity provisions.
Researchers found that lichen communities in severely burned areas showed significantly lower abundance and diversity, even 16 years after the fire. The loss of tree canopy and hot, dry microclimate left in the forest post-fire hindered lichen growth, suggesting that recolonization may not occur until mature trees regrow.
Researchers re-analyzed genetic data from diverse humans and Neanderthals, revealing no evidence of recent human-specific selection on the FOXP2 gene. This challenges previous theories on the origin of human language and highlights the importance of using diverse datasets in population genetics.
A study found that natural habitat surrounding farm fields is not always effective in controlling pests, with benefits varying widely across the globe. The analysis, published in PNAS, compiled data from over 6,700 sites in 31 countries, revealing no one-size-fits-all recommendations for farmers.
Researchers discovered that snipefish use an elastic-boosted head flick to capture prey at unprecedented speed, with the fastest recorded events occurring in just two milliseconds. This mechanism allows the fish to pivot their heads rapidly and bring their mouth up close to the prey.
Researchers found that experienced animals form memories using different plasticity mechanisms than naive subjects, suggesting the way our neurons form new connections depends on their prior history. Previously activated neurons were more excitable, making them capable of different kinds of plasticity.
Scientists aim to create a DNA-based read-only memory (ROM) with applications in electronic devices, leveraging the unique electrical properties of DNA molecules. The proposed technology could lead to more efficient and compact devices.
A University of California, Davis study found that grasslands are more resilient carbon sinks than forests in 21st century California, especially when considering the impacts of droughts and wildfires. Grasslands store most of their carbon underground, making them a viable option for carbon offset efforts.
Researchers at UC Davis will investigate human brain's attention systems with higher resolution than ever attempted, aiming to understand and treat attention disorders. They plan to use combined fMRI and EEG methods to measure brain activity in volunteers.
Research suggests that Zika virus can cause more miscarriages and stillbirths in pregnant women without showing symptoms. A recent study found 26% of infected monkeys experienced fetal loss despite few signs of infection.
Researchers at UC Davis discover that photorespiration, thought to waste energy, actually enhances nitrate assimilation, a critical process for sustaining food quality under climate change. The study suggests a new biochemical pathway that generates energy for protein synthesis and promotes plant resilience.
The University of California, Davis, is leading a $2.5 million USDA-funded project to develop a cow genomics program. This initiative aims to unlock the secrets of the bovine genome, enabling more efficient genetic selection for improved growth and disease resistance in cattle.
Researchers have developed a rhesus macaque model to study Zika brain pathology, revealing similar brain lesions as in human infants with congenital Zika syndrome. The findings suggest that therapies can be tested using fewer animals, providing hope for the development of new treatments.
Researchers found that expert poker players maximize information without revealing too much themselves, using public and private information sources to inform their wagering behavior. The study, published in Cognitive Science, offers insights into strategic uncertainty and information processing complexity.
A study by University of California - Davis researchers finds that psychedelic drugs increase dendritic branches and spines, promoting neural plasticity. This structural change mirrors the effects of ketamine, a treatment-resistant antidepressant.
A recent study found that supplementing breastfed infants with Bifidobacterium infantis bacteria significantly improves gut microbiome health and prevents immune-related diseases like asthma and allergy. The beneficial effects of the supplement lasted for up to a year in primarily breastfed babies.
Scientists at UC Davis have identified molecular markers that influence the onset of Pierce's disease in grapevines. These markers can help diagnose the disease early and increase plant health, providing a more sustainable alternative to insecticides.
Scientists have discovered how brain regions activate during memory recall in two-year-olds using functional MRI. The hippocampus plays a key role in forming and recalling memories, especially episodic memory, which involves remembering events and contexts.
A study by UC Davis researchers explores how citizen science activities support youth learning and agency in environmental science. Youth participants collected data on bird populations, butterfly life cycles, water quality, and land use, developing skills in data analysis, evaluation, and communication.
A consensus among 22 nutrition researchers is that sugar-sweetened beverages increase cardiometabolic risk factors compared to equal amounts of starch. The paper also suggests that aspartame does not promote weight gain and consumption of polyunsaturated fats lowers disease risk when compared to saturated fats.
A new program aims to provide early career teachers in the Sacramento region with effective strategies for classroom communication, including using student videos and avatars. The project, led by UC Davis professor Steven Z. Athanases, will focus on high school English and elementary science teaching.
A study finds that doubling the frequency of El Niño events may lead to higher population numbers and a lower chance of extinction for Brandt's cormorants. The birds' ability to cope with environmental changes is improved when El Niños are interspersed with favorable La Niña phases.
Researchers discovered that rhesus macaques and children with autism spectrum disorder have lower vasopressin levels, linked to reduced sociability. The study suggests vasopressin as a potential biomarker for social deficits in autism.
Researchers at UC Davis developed a new technique using conventional digital camera technology to measure brain blood flow. The method, called interferometric diffusing wave spectroscopy, boosts the signal to detect fluctuations in blood motion, providing valuable information about blood flow.
Research suggests that cities like Portland and Copenhagen benefit from high-rugosity layouts, with diverse uses and green spaces supporting resilience and growth. By integrating farms and greenways, developers can accommodate more population while reducing the urban heat island effect and improving stormwater management.
The project seeks to understand the evolution and organization of life by sequencing and functionally annotating the genomes of 1.5 million eukaryotic species, including plants, animals, fungi, and single-cell organisms. This initiative aims to reveal unknown species and provide a freely available resource for scientific discovery.
Researchers found that up to 26 percent of natural ecosystems' nitrogen comes from rocks, not the atmosphere. This discovery could help forests and grasslands sequester more fossil fuel CO2 emissions.
A 7-year follow-up study found that intensive meditation training maintains cognitive gains in sustained attention, with potential implications for human cognition and brain function. Regular meditators who practiced an hour a day on average maintained cognitive gains and resisted age-related decline.
A study published in the Canadian Journal of Fisheries and Aquatic Sciences found that walleye production in Wisconsin lakes decreased by 27% between 1990 and 2012. Climate change, habitat degradation, and harvest rates are likely contributing factors to the decline.
A new study found that antibiotics used to treat Chlamydia in koalas can alter the balance of gut microbes necessary for digestion, according to researchers at UC Davis. The study suggests a need to develop antibiotic-free treatments, such as a vaccine, to address this issue.
A study found that 90% of coastal freshwater turtle species will be affected by sea level rise by 2100, with some species losing up to 30% of their range. Researchers warn that turtles may not be able to adapt quickly enough to changing environments, threatening their survival.
Researchers at UC Davis discovered a piezomagnetic material that alters its magnetic properties when subjected to mechanical stress. This finding has potential applications in detecting strain within materials, such as aircraft components, and could lead to new ways of investigating superconducting properties.
A study found that restoring Putah Creek in California increased the bird population by twice as much, with more common riparian birds visiting in increasing numbers. The restoration also improved the ecosystem's function and had benefits beyond the water's edge.
A recent study found that polar regions are experiencing earlier springs, with advances of up to 16 days earlier than a decade ago. This is attributed to rapid springtime warming at higher latitudes, which has significant implications for migratory bird species and their habitats.
A recent UC Davis study suggests that local ordinances for backyard poultry are inadequate, with laws not keeping pace with those for commercial growers. The study recommends stronger regulations on vaccinations, manure management, and general animal welfare in urban settings.
A University of California study found native wildflowers stored up to 201% more seeds underground during a drought, compared to exotic grasses which decreased by 52%. This adaptive strategy helps them survive in variable climates.
A new explanation for the Moon's origin proposes it formed inside a rapidly spinning, vaporized rock cloud called a synestia. The model resolves several problems in lunar formation and matches the pattern of the Moon's composition.
Researchers at UC Davis identified SynDIG4 protein as a crucial regulator of synaptic plasticity, enabling the formation and consolidation of new memories. The discovery sheds light on the molecular mechanisms underlying memory formation and could lead to novel therapeutic strategies for cognitive disorders.
A study published in Conservation Genetics found that about a third of fish samples were misidentified as native delta smelt when using visual identification. Genetic analysis revealed 27% of the fish thought to be native delta smelt were actually non-native wakasagi.
Researchers at UC Davis develop a culture system that efficiently derives embryonic stem cells from cattle on nearly every attempt. This breakthrough could revolutionize the way genetics is done by orders of magnitude, enabling faster breeding of genetically superior cows with desirable traits.
A UC Davis study suggests that Neanderthals' inability to draw may be related to their hunting techniques, which required more precise eye-hand coordination. This could have contributed to the evolution of Homo sapiens' larger brains and advanced cognitive abilities.
Researchers found that prenatal stress can promote developmental plasticity in babies, making them more likely to benefit from good parenting. However, this effect only manifests when they are reared in supportive environments.
A team of scientists from UC Davis used the ising model to study pistachio tree synchronization, finding that magnetic connections between trees can explain their synchronized behavior. The study, published in PNAS, provides new insights into ecological systems and their effects in natural and managed environments.