A new study reveals that fish hovering in place consumes roughly twice the energy of resting, challenging the scientific community's long-held assumption. By analyzing fin movements and body shape, researchers found species with greater separation between their centers of mass and buoyancy use more energy when hovering.
A new study found that honey bees extract nearly 80% of available pollen in a day, leaving little for native bee species. This exploitation could lead to population declines and disruption of ecosystem balance.
Researchers developed a cutting-edge microscope to study coral photosynthesis and health in their natural habitat. The BUMP imaging system provides unprecedented insights into coral reefs, advancing efforts to understand coral bleaching.
A new study reveals that air pollution contributes to the development of lung cancer in people with no or hardly any history of smoking. The study found a strong association between air pollution and genetic mutations in lung tumors, particularly driver mutations that promote cancer development.
Researchers at the University of California San Diego have developed a new method for creating engineered living materials, enabling the use of a wider variety of polymers that were previously toxic to live cells. This breakthrough allows for the creation of sustainable materials powered by sunlight and living microbes.
A new study from UC San Diego reveals that even mild heat can significantly hinder team performance, while leaving individual productivity unaffected. Teams in warmer conditions experienced a notable decline in productivity due to communication and interaction breakdowns.
A controlled clinical trial found that two-thirds of participants showed behavioral improvements with CBD treatment, highlighting its potential benefits. However, the study also revealed a significant placebo effect, emphasizing the need for further research to fully understand CBD's therapeutic potential.
Researchers used time-restricted feeding to restore microbial rhythms in mice fed a high-fat diet, identifying bile salt hydrolase as a key enzyme protecting metabolic health. Engineered gut bacteria showed improved glucose control and reduced body fat in mice, suggesting potential targeted therapies for obesity and diabetes.
Researchers found a significant association between the big hike in California's tobacco tax and an increase in smoking cessation over the next three years. The study also reported differences in state tobacco spending and daily smoking rates.
Researchers at UC San Diego's Center for Wireless Communications have developed SenSync, a software-based innovation that enables real-time and accurate passive sensing using harvested radio frequency energy. The system delivers five times greater sensory resolution and eight times the data throughput compared to previous methods.
UC San Diego researchers have identified hundreds of new N-acyl lipids involved in immune and stress responses, shedding light on the biochemical language of cells. These findings suggest a potential link between the gut microbiome and neurological function, particularly in individuals with HIV.
Two medical centers at UC San Diego Health have been named Top 25 hospitals in the nation for exceptional sustainability efforts. The institutions are committed to advancing health care and leadership in environmental stewardship.
Researchers discovered that children with MS show signs of accelerated biological aging, even in their teenage years, which may lead to new treatment possibilities beyond immunosuppression. The study found that youth with MS had evidence of accelerated epigenetic age, a measurement of DNA chemical modifications associated with aging.
Avian embryos use modular, independent physical mechanisms to regulate their size and shape, shedding light on evolutionary plasticity of natural embryos. This discovery has implications for engineering synthetic ones, with potential applications in medicine and biomaterials.
Scientists have discovered that heparan sulfate in Bruch's membrane traps lipoproteins, leading to drusen formation and vision loss. Targeting this interaction may prevent or reverse early signs of AMD.
Researchers at University of California San Diego discover itaconate stimulates seedling development, enhancing crop growth and potentially offering a sustainable solution for increasing food production. The study provides new insights into the molecule's role in plant physiology and its connections to animal biology.
Researchers have developed a gene therapy that targets the root cause of Alzheimer's disease, influencing brain cell behavior to preserve cognitive function. Delivering the treatment at the symptomatic stage preserved hippocampal-dependent memory and altered gene expression in mice, suggesting potential to restore brain health.
Researchers discovered that a ligase called Lig3 inhibits base editing, while the mismatch repair pathway helps cytosine base editing. The study sheds light on the complex mechanisms behind base editing and its potential applications in treating genetic diseases.
A study found that over 90% of popular freshwater game fish in Southern California contain invasive parasitic worms, which can cause gastrointestinal problems and other issues. Proper cooking or freezing fish before consumption kills the parasites, but chronic infection poses a greater health risk.
The new residency program will train 16 psychiatry residents to strengthen mental health resources in Imperial County, addressing a significant shortage of mental health professionals. The program is designed to provide high-quality behavioral health treatment, innovation, and research, with medical leadership from UC San Diego Health.
Old neurons exhibit unique defects resulting from molecular stress, making them more vulnerable to neurodegeneration. The study sheds light on the molecular mechanisms behind brain cell deterioration, which could lead to new therapies for preventing neurodegenerative diseases.
A new study reveals that pollutants from the Tijuana River are transmitted to both water and air through coastal aerosols, affecting public health and environment. The study found high levels of illicit drugs, personal care products, and chemicals in aerosols, posing risks to residents living near the border.
A new study from UC San Diego School of Medicine reports no clinical differences in core autism traits between female and male autistic children aged 12-48 months. The researchers found sex differences in typically developing females, but not in autistic children.
Researchers at UC San Diego develop new approach using artificial intelligence to predict therapy outcomes and match patients with right treatments, improving cancer care and patient outcomes.
A new study finds that high-skilled emigration from developing countries can spur education, innovation, and economic growth in their home countries. This phenomenon is known as brain gain. The researchers also found that high-skilled migrants often maintain professional ties across borders, facilitating trade, investment, and innovation.
A study by University of California - San Diego reveals that exposure to reports of Congressional stock trades significantly reduces Americans' trust in Congress and their willingness to comply with the law. Researchers found that knowledge of politician stock trading alone can undermine legitimacy, regardless of profit involvement.
Christopher Kane's appointment as ABU president reflects his commitment to excellence in patient care, groundbreaking research, and physician mentorship. As president, he will refine certification protocols and enhance the urologist experience.
Researchers analyzed data from the Women's Health Initiative, a large cohort study, and found that using metformin increases the likelihood of reaching age 90 or older. The use of metformin was associated with a 30% lower risk of death before age 90 compared to sulfonylurea.
A team of San Diego researchers is developing an innovative AI tutor system to provide personalized support to students. The system, based on large language models, will be deployed in eight foundational courses at higher education institutions in San Diego County and assessed for its impact on learning.
A new study finds that China should aim for wind and solar ambitions to decarbonize its power sector. The country's updated 2035 Nationally Determined Contribution (NDC) should set a target of up to 56% of electricity generation from clean energy by 2035.
A novel combination of cell biology and molecular computer simulations reveals that sterols' interactions with lipids shape membrane domains in yeast cells. This finding refines a 50-year-old textbook model, suggesting the complexity of sterol metabolism resulted from balancing lipid interactions for membrane organization.
Researchers analyzed data from a wearable device to find that women's physical activity levels are less variable and more predictable than men's. The study also found no significant difference in physical activity levels between individuals with and without menstrual cycles.
Researchers at UC San Diego's Scripps Institution of Oceanography developed a gel called SNAP-X that releases chemical cues encouraging coral larvae settlement. In laboratory tests, SNAP-X increased coral settlement by up to 20 times compared to untreated surfaces, offering a promising solution for coral reef restoration efforts.
Researchers identified the thalamocortical pathway as the key area modified during learning, which physically changes links between brain regions. Learning refines the conversation between the thalamus and cortex at a cellular level, making it faster, stronger, and more precise.
A new study by University of California San Diego researchers found that the SARS-CoV-2 virus emerged in humans via wildlife trade, not a lab leak. The viruses most closely related to SARS-CoV-1 and SARS-CoV-2 were found in palm civets and raccoon dogs in southern China.
A team of engineers developed ROADIES, a scalable, automated, and user-friendly tool that allows scientists to infer species trees directly from raw genome data. This enables more efficient biological research and application in fields such as medicine and conservation.
Researchers engineered E. coli cells to control Min protein expression levels, demonstrating stable oscillations across a wide range of concentrations. The study reveals the potential of integrating quantitative cell physiology and biophysical modelling to understand cellular organization.
A new study published in JAMA finds that Mindfulness-Oriented Recovery Enhancement (MORE) can help individuals with opioid use disorder (OUD) regain control over their emotions and cravings. The therapy has been shown to decrease opioid cravings by 50% and improve mood, making it a promising tool in the fight against OUD.
Researchers at UC San Diego create a simple approach to rapidly check on human gene changes by turning everyday bacteria into living test tubes. This technique, called LEICA, uses E. coli as the host bacterium and relies on its growth rate to reflect human enzyme performance.
Researchers at UC San Diego develop novel approach to extract essential information from quantum systems, outperforming traditional methods in accurately predicting diverse quantum state properties. Experimental validation demonstrates the effectiveness of this technique in characterizing quantum states despite realistic noise.
A study published in Hepatology reveals that children with metabolic dysfunction-associated steatotic liver disease (MASLD) are at a significantly increased risk of premature death and serious long-term health complications. The mortality rate was found to be nearly 40 times higher than the national average.
Researchers at the University of California San Diego School of Medicine have found that high cannabis use is associated with increased mortality in colon cancer patients. The study analyzed data from over 1,000 patients and found a significant link between heavy cannabis use and reduced survival rates.
Researchers developed a new therapy that can be injected intravenously right after a heart attack to promote healing and prevent heart failure. The therapy both prompts the immune system to encourage tissue repair and promotes survival of heart muscle cells after a heart attack, showing effectiveness up to five weeks after injection.
A recent study used AI to discover that phosphoglycerate dehydrogenase (PHGDH) is a causal gene for spontaneous Alzheimer's disease. The researchers found that altering PHGDH expression levels can significantly impact the progression of the disease, suggesting a novel therapeutic target.
A recent study found that cigarette smoking continues to decline across the US, mainly driven by young adults. The states with historically high smoking rates have seen the most significant declines in smoking prevalence.
A new study models how Western US states can build out clean energy infrastructure between now and 2050 under different climate policy scenarios and levels of power sector coordination. States that coordinate more closely could save billions in energy system costs, even if their climate policies do not align.
Researchers identified a potential new treatment, lorundrostat, which reduced systolic blood pressure in individuals with uncontrolled or treatment-resistant hypertension. The study found a significant 15-point reduction in systolic blood pressure compared to placebo.
A multi-site clinical trial found that both low and moderate-high intensity exercise reduced cognitive decline in sedentary older adults with mild memory loss. The study showed that even low-intensity exercise may be beneficial for brain health, suggesting a promising new strategy to prevent or delay dementia.
Researchers identify colibactin, a bacterial toxin that alters DNA, as a potential trigger for early-onset colorectal cancer. Exposure to colibactin in childhood may imprint a distinct genetic signature on colon cells, increasing the risk of developing cancer before age 50.
A new study suggests that a key enzyme in lipid metabolism, ELOVL2, plays a critical role in maintaining a healthy immune system as we age. Decreased activity of the enzyme speeds up immune system changes associated with aging, impairing the development of B cells and altering the expression of cancer-associated genes.