Researchers say COVID-19 restrictions can be used to increase access to clinical trials for rural populations, who face significant health disparities and limited internet access. By using digital technology and community partnerships, researchers can include more people in studies and promote rural health equity.
Researchers at UC Davis studied the role of oxytocin in alleviating social withdrawal symptoms in mice, finding that blocking brain pathways affected by stress can reduce social avoidance behaviors. The study suggests potential for pharmacotherapies to effectively treat anxiety disorders.
A new study by UC Davis finds that California cannabis safety testing costs growers around 10% of the average wholesale price, mainly due to rejected product disposal. Higher testing costs translate into higher prices for the licensed market, posing a risk to unlicensed alternatives.
A UC Davis study found that promoting e-cigarettes as a healthier alternative to combustible cigarettes backfired, resulting in increased social valuations of e-cigarettes as bad or worse than cigarettes. The study analyzed over 1,200 documents and conducted interviews with policymakers, public health advocates, and industry leaders.
Researchers at UC Davis cleared a major obstacle to using CRISPR-Cas9 gene drive technology to control mosquito-borne diseases. A study found that 90% of protein-coding genes in mosquito populations have suitable target sequences for the gene drive, making it effective against disease-causing viruses and parasites.
A new study suggests that heavier iron isotopes migrate towards lower temperatures and into the mantle, while lighter isotopes remain in the core. This phenomenon could be causing core material to infiltrate the lowermost mantle, enriching it in heavy iron isotopes.
The review emphasizes the importance of natural daylight and air circulation in reducing disease transmission. Opening windows to improve airflow and admitting natural light can help prevent the spread of COVID-19.
Researchers at UC Davis have developed a new web application to track COVID-19 cases and testing globally, offering user-friendly data visualization and interactive maps. The app uses publicly available data from reputable sources, including the COVID Tracking Project and Johns Hopkins University.
A new study reveals a direct link between virus spillover and environmental change, which threatens wildlife populations. The research highlights how human activities such as hunting, trade, and urbanization increase the risk of virus transmission to humans.
Research suggests that asymptomatic individuals infected with coronavirus can produce aerosolized particles during normal speech, potentially transmitting the infection. The study highlights the importance of collaboration among aerosol scientists, virologists, and engineers to understand respiratory diseases like COVID-19.
A study found that nonvegetarians are most motivated by health concerns, while those committed to vegetarianism cite environmental or animal rights motives. This disparity poses a challenge for advocacy efforts, as targeting specific groups based on their motivations could lead to increased adoption rates.
The PREDICT Project has received a 6-month extension from the US Agency for International Development to provide emergency support for COVID-19 outbreak response, including early detection of SARS CoV-2. The project will also investigate the animal source of SARS CoV-2 using data and samples collected over 10 years.
A study from the University of California, Davis found that whole orchard recycling can sequester 5 tons of carbon per hectare, increase water-use efficiency by 20 percent and boost crop yields by 19 percent. This practice also builds soil nutrients and water retention, mitigating climate change.
Research from UC Davis found that preschoolers' self-regulation skills are lower when they use screen media devices, which can impact academic success, social functioning, and mental health. The study recommends delaying screen introduction and limiting mobile device use to promote optimal development.
A post-fire survey at Stebbins Cold Canyon Reserve found that roughly a third of hikers felt energized and awed by the changes they saw. The study suggests people understand and appreciate the role of fire in natural landscapes, but may need education on local ecosystems to fully grasp its impact. Survey participants were highly famili...
The University of California, Davis, has received a $1 million innovation grant to develop and distribute an adaptive learning platform that complements its existing LibreTexts resource. The platform aims to foster inclusivity in STEM fields, address equity gaps, and reduce STEM attrition rates among disadvantaged students.
Researchers at UC Davis have discovered that changes in surface sugarlike molecules, or glycans, on cancer cells help them metastasize. The study found that cancer cells with high levels of mannose glycan were more likely to spread into surrounding tissues.
Concrete production contributes to both global greenhouse gas emissions and local air pollution, but a study from the University of California, Davis, found that using cleaner-burning kiln fuel, more renewable energy, and replacing cement with lower-carbon alternatives can reduce climate and health damage costs by up to 44 percent.
Researchers found a parasite from opossums infecting sea otters along the West Coast, with infected otters in British Columbia's northern Vancouver Island. The study suggests pathogens can travel long distances via water runoff and prey species like clams.
Researchers at UC Davis found a 50% reduction in greenhouse gases to produce the same quantity and quality of milk between 1964 and 2014. The study also revealed significant reductions in water use and land requirements, saving an amount of land equal to the size of Connecticut.
A new study reveals that conserving natural habitat around strawberry fields can decrease crop damage costs by up to 23% and increase yields, without compromising food safety. Removing natural habitat, on the other hand, can lead to significant cost increases of up to 76%.
A new study from the University of California, Davis found that ibuprofen causes significant changes in liver enzymes in laboratory mice. The research highlights marked differences in how males and females metabolize the drug, with potential implications for human health.
A new study finds that sequential hermaphroditism in reef fish evolves when larger males dominate mating territories, controlling mates and resources. This theory is supported by comparative analysis of 89 species of wrasses and parrotfishes with different mating systems.
Researchers developed a new genome editing strategy using CRISPR to precisely target genes for desirable traits, such as high beta-carotene levels and disease resistance. This approach reduces the need for marker genes and allows for more complex trait clusters.
Researchers studied 51 cats injured in California wildfires and found a high incidence of heart problems, including thickening of the heart muscle and blood clot formation. The study suggests that wildfires may be a harbinger of human health effects, with severe burns increasing cardiovascular changes.
A new study from UC Davis warns that extreme weather risk is too often ignored in financial markets, putting investors at risk of severe losses. The research highlights the need for better climate risk assessment and pricing to mitigate potential economic consequences.
A new study from UC Davis finds significant disparities between employers' and employees' approaches to wildfire smoke concerns. Many farmworkers prioritize work over safety, while some employers lack clear plans or protocols for managing air quality.
Researchers discovered bumblebees use two modes of flight to optimize energy usage, including the 'economy mode' that allows heavier loads with minimal extra flapping frequency. This behavioral choice reveals flexibility in bee behavior and challenges previous assumptions about insect physiology.
Researchers have developed anti-solar cells that can harness power from infrared radiation at night, offering a potential solution for balancing the power grid around the day-night cycle. The devices work by emitting light instead of absorbing it, using different materials and physics.
Scientists detected Marburg virus in Egyptian rousette fruit bats in Sierra Leone, highlighting the risk of human exposure. The presence of Marburg virus means people living nearby could be at risk for becoming infected without reported cases of illness.
Scientists have developed a method to reduce noise and reconstruct images from raw data, capturing ultrafast whole-body dynamic tracer imaging with improved image quality at a timescale of 100 milliseconds.
Researchers at the University of California, Davis used gravitational lensing to study dark matter's properties. They found that dark matter particles could be lighter and more rapidly-moving, which may affect galaxy formation.
A newly discovered genetic element on dog chromosome 15 influences coat color intensity by affecting pigment distribution along the hair. Dogs with higher copy numbers of this region have more intense coat colors.
A study in Nature Communications reveals that the unique perfume chemistry of two species of orchid bees, Euglossa viridissima and Euglossa dilemma, is driven by a single olfactory receptor gene. The researchers found that the two species can be distinguished by their distinct perfume compounds, which are mediated by the OR41 gene.
An experimental Zika DNA vaccine VRC5283 reduced virus levels and improved fetal outcomes in pregnant rhesus macaques. The results suggest the vaccine may prevent transmission to humans as well.
Researchers at UC Davis discovered that rectal microbes can impact HIV vaccine efficacy, with Lactobacillus supplements boosting antibody production and Prevotella bacteria hindering immune responses. The study suggests targeting specific gut bacteria may improve vaccine performance.
A review of recent research in personality science suggests that personality traits can change through persistent intervention and major life events. Researchers identify neuroticism, extraversion, openness to experience, agreeableness, and conscientiousness as key targets for policy interventions.
The virus causes red veins and blotches on grape leaves, reducing fruit size, ripening time, and sugar colors. Researchers aim to understand the disease's spread, potential vectors, and economic impact on grape production and wine quality.
Researchers found that juvenile Coho salmon grew fastest and survived longest when exposed to natural temperature gradients and plenty of food. However, there is a catch: while food can help offset the effects of rising temperatures, it cannot completely compensate for the impacts of climate change.
Scientists have discovered that the unique tiger stripes on Enceladus are caused by tidal forces from Saturn's gravity, which release pressure and prevent the cracks from freezing shut. This allows water to erupt from the fissures, creating a regular spacing pattern.
A study found that bats in the Sierra Nevada appear to be well-adapted to wildfire, with overall species richness increasing in burned forests. This suggests that prescribed burns and managed wildfire may benefit these species by creating diverse habitat conditions, including openings for roosting and insect-foraging.
A new study reveals the Arctic has warmed by 0.75 degrees C in the last decade alone, with potential consequences including up to 7 degrees C warming for the Arctic and increased risk of extreme weather. The authors emphasize the need for near-term measures to reduce carbon emissions to slow high latitude warming.
A study from the University of California, Davis found a link between high levels of DDT and increased risk of obesity, insulin resistance, and metabolic disease in Asian Indian immigrants. Prior exposure to the pollutant may contribute to their higher rate of diabetes, even after migration to the US.
A study by University of California - Davis researchers found that giant kelp populations from different regions have distinct responses to climate change, with those from Southern California being more resilient to heat stress. The research also showed that ocean acidification did not negatively impact reproduction in some populations.
A 15-year study links Arctic sea ice decline to the emergence of a deadly phocine distemper virus in northern sea otters and other marine mammals. The loss of sea ice facilitates disease transmission among species, highlighting the need for understanding PDV transmission in rapidly changing environments.
A new study finds that nutrient supplements rich in vitamins, minerals and essential fatty acids significantly reduce child mortality among children 6-24 months old. The supplements may decrease mortality by up to 27 percent in these countries.
A recent study found that only 15% of California K-12 classrooms met the recommended ventilation standard, leading to high CO2 levels and thermal discomfort. The researchers recommend improvements such as commissioning, fan operation, filter replacement, and CO2 monitoring to ensure adequate air quality.
Biologists at UC Davis propose that species pay attention to each other, especially if they share predators, leading to new insights into population dynamics and cooperation. Advances in technology have made it easier to study short-lived interactions between species in the wild.
A new method uses detection dogs and genetic species identification to survey lizard populations without direct contact. The technique was successfully used to identify 78% of 327 samples collected over four years, with most being from blunt-nosed leopard lizards.
A new measurement of the Hubble constant has been made using light from extremely distant galaxies, estimating a value of 76.8 kilometers per second per megaparsec. The result is comparable to previous estimates but differs significantly from other methods, sparking debate about potential new physics beyond our current understanding.