Researchers discovered a 'viscoelastic regime' in isolated protein molecules, exhibiting both elastic and viscous behavior. This finding opens up new avenues for understanding complex materials and potentially leading to advancements in protein engineering.
A new UCLA psychology study finds that the senses of hearing and vision interact at a basic level before producing estimates, influencing the way we perceive the world. Even when sound is irrelevant to the task, it still affects our visual perception.
UCLA researchers propose an unconventional approach to controlling HIV epidemics by implementing PrEP programs in areas with low treatment success and high drug resistance rates. This strategy aims to decrease the number of infections, resulting in a greater decrease in drug resistance.
The UCLA-developed integral projection model improves predictions for species facing climate change by analyzing multiple data sources simultaneously. The model reveals that gradual environmental changes have a greater impact on populations than fluctuating changes.
Researchers at UCLA have developed a method to print carbon nanotube transistor circuits using ink-jet printing, which can be used in display devices such as cell phones and digital cameras. The new technology has shown significant performance advantages over traditional organic-based printed electronics.
Researchers found that male guppies' coloration has remained stable despite long periods of evolution, due to females preferring a specific orange hue. The study reveals that genetic changes counteract environmental variations in pigment ratios, maintaining the consistent color.
Researchers at UCLA have developed a highly efficient method for producing transparent electrodes using silver nanowires in combination with other nanomaterials. The new electrodes are flexible and highly conductive, overcoming the limitations of indium tin oxide (ITO) materials.
A new brain-imaging study by UCLA life scientists reveals that providing support to a loved one offers health benefits to the giver. The study found that women who gave support to their boyfriends in pain showed increased activity in reward-related regions of the brain, including the ventral striatum and septal area.
Researchers activated a gene called PGC-1, which increases mitochondrial activity, and found it significantly extends the lifespan of fruit flies' digestive tracts. The study's implications for human aging suggest targeting the intestine as a vital tissue type for healthy aging.
A new study by UCLA researchers shows that a specialized mental health intervention for suicidal youth can significantly improve follow-up treatment rates. The intervention, which involves a family-based crisis-therapy session and telephone support, resulted in higher rates of follow-up treatment compared to standard ED treatment.
Researchers at UCLA have designed a mathematical algorithm to analyze crime patterns and identify street gangs involved in unsolved violent crimes. The algorithm, which was tested on real data from an East Los Angeles police district, correctly identified the most likely gang rivalries 80% of the time.
Researchers at UCLA found that boys with autism have slower growth rates in brain regions important for language and social skills, leading to unusual brain circuits. This study suggests delayed brain development may contribute to symptoms of autism and could improve treatment options.
A study by UCLA researchers found that primary care physicians who treat Latino patients are less likely to believe they can provide high-quality care. The challenges include inadequate time with patients, lack of affordability, non-adherence to treatments, and difficulties in communication. Implementing the Affordable Care Act may add...
A new study found that teenagers experience more arguments with family members on days when they had conflicts with peers, and vice versa. Family fights lasted longer than peer conflicts, affecting relationships for up to two days later.
Researchers detected high-energy gamma rays from the Crab Pulsar system, which cannot be explained by current models. The observations exceed 100 billion electron volts, shedding new light on pulsars and their behavior.
A UCLA study found that hysterectomized women have higher brain iron levels than non-hysterectomized women, comparable to men. This may explain why men develop age-related neurodegenerative diseases earlier than women. The research suggests that reducing peripheral iron levels could lower disease risk and improve brain health.
UCLA neuro-physicists discovered an optimal brain 'rhythm' for changing synaptic strength, contrary to previous assumptions. The findings suggest that stimulating synapses at naturally occurring frequencies, not high frequencies, increases synaptic strength and may lead to new therapies for learning disabilities.
Researchers at UCLA have discovered how cell-penetrating peptides, such as the HIV TAT peptide, interact with cells to facilitate the transfer of molecular cargoes. The study reveals that these peptides can act like a Swiss Army Knife, interacting strongly with membranes and cytoskeletons to produce multiple pathways of translocation.
Researchers from UCLA's Henry Samueli School of Engineering and Applied Science contributed to the development of a comprehensive genetic catalog of 17 strains of mice. The study provides a complete picture of genetic variation in these mouse strains, enabling scientists to accurately predict gene expression levels and identify variant...
Researchers at UCLA discovered that a gene variant can predict the success of naltrexone treatment for alcoholism in Asians. The OPRM1 gene variant is associated with better clinical outcomes when taking naltrexone, making it an effective medication option for this population.
A study by UCLA scientists has found the first evidence of the H1N1 virus in animals in Africa, with 89% of pigs studied showing exposure to the virus. The discovery highlights the rapid spread of diseases globally and the importance of understanding viral transmission between humans, wild animals, and domestic animals.
A genome-wide study involving 50,000 participants has discovered 11 regions on the genome strongly associated with schizophrenia and bipolar disorder. The researchers found that several DNA variations contribute to both diseases, representing a significant advance in understanding their causes.
Researchers identified the oxytocin receptor gene OXTR as linked to psychological resources, finding that people with specific variants have lower levels of optimism and higher depressive symptoms. The study suggests training oneself in optimism, self-esteem, and mastery can improve coping skills.
Researchers at UCLA have developed a new algorithm that improves climate forecast accuracy by 16 months, enabling more precise predictions for agriculture and industry, while also helping identify El Niño events
Researchers found that second-grade students from diverse backgrounds are aware of ethnicity-based stigma and experience higher academic anxiety. However, strong social connections at school can mitigate these effects and boost interest in academics.
Researchers at UCLA found that traumatic brain injury increases risk of Parkinson's disease, with a moderate injury causing a 15% loss of nigrostriatal dopaminergic neurons. Exposure to the pesticide paraquat doubles this risk and accelerates neuronal degeneration.
UCLA researchers have developed a plasmonic-enhanced polymer tandem solar cell that improves power conversion efficiency from 5.22% to 6.24%, thanks to the incorporation of gold nanoparticles. The enhancement effect is attained through local near-field enhancement, showing great potential for future development.
Researchers used a global circulation model to demonstrate how atmospheric waves affect Titan's weather patterns, leading to sharp and surprising cloud shapes. The study reveals that these waves can cause intense precipitation, shaping Titan's surface through erosion.
Researchers at UCLA have created a novel concept for harvesting and recycling energy from LCD screens, which can convert ambient light into electricity. This technology has the potential to improve the efficiency of LCD displays and potentially harvest 75% of wasted photons from LCD backlights.
Researchers studied interactions between individual sperm and eggs in red abalone, making precise chemical measurements and physical models of these interactions. They found that the egg releases a plume of tryptophan to attract sperm, greatly increasing its target area. Ocean flow conditions also play a significant role in fertilization.
A study by UCLA researchers found significant disparities in healthcare spending between Latinos and whites, with Latinos paying out-of-pocket more often. The gap narrows over time for naturalized citizens but remains constant for non-citizens.
A new UCLA study suggests that warfare likely shaped the development of civilization in the Titicaca basin of southern Peru. The researchers found evidence of massive fires, iconographic signs of conflict and agricultural decline after a devastating fire in Taraco state, indicating war may have led to the downfall of this early settlem...
Researchers at UCLA found that the suprachiasmatic nucleus, or SCN, begins to decline in rhythmic neural activity by middle age. This decline may contribute to difficulties with sleep, adjusting to time changes, and performing shift-work in older adults.
Bacteria utilize type IV pili, or TFP, to achieve twitching motility, enabling them to 'slingshot' on surfaces with high efficiency. This unique ability helps the bacteria navigate complex surface conditions and move through polysaccharide-rich environments with ease.
A study found that long-term meditators have stronger connections between brain regions and show less age-related brain atrophy. The effects are evident throughout the entire brain, not just in specific areas.
Researchers found that smaller leaves have more tightly packed major veins, which provides redundancy in water transport. This allows them to maintain function even during extreme drought, making them more resistant to the effects of embolism in dry soil.
A type of Archaea, Methanosprillum hungatei, has been found to contain highly efficient energy-storage structures that can store 100-fold more energy than the entire cell. These granules could potentially be used as a chemical battery for engineered synthetic cells.
The Genesis mission analysis shows differences in oxygen and nitrogen isotopes between the sun and rocky inner planets, including Earth. These findings suggest that the solar system's formation was more complex than previously thought.
A new study suggests that people with early life adversity or prior depressive episodes are more sensitive to later life stress. Individuals who experienced early parental loss or separation and those with a history of depression became depressed following lower levels of life stress than those without these predisposing factors.
A new study by UCLA neurophysicists found that brain rhythms associated with learning grow stronger as running speed increases. The research team monitored gamma rhythms in mice brains using specialized microelectrodes and discovered a link between the strength of these rhythms and movement.
Scientists create 'molecular cap' that prevents amyloid fiber formation, a key process in both Alzheimer's disease and HIV transmission. The breakthrough brings hope for delaying Alzheimer's onset and preventing sexual transmission of HIV.
A new study reveals that ocean low-oxygen zones are expanding and contracting in response to climate changes, posing a significant threat to marine ecosystems. The research, led by UCLA scientists, found that these oxygen-depleted regions can have devastating effects on marine populations.
A new study predicts that global warming will limit access in certain Arctic areas but increase it in others, particularly for coastal communities and shipping concerns. Inland mining, timber, and small communities may be negatively affected by reduced road accessibility.
A new UCLA study reveals that individuals with body dysmorphic disorder (BDD) exhibit abnormal brain activity when processing holistic visual elements, such as the overall shape of an object. This finding suggests that BDD patients have general abnormalities in visual processing, which may contribute to the development of the disorder.
Researchers found that combined exposure to the three chemicals increases the risk of Parkinson's disease threefold. People who live and work near fields sprayed with these pesticides experience the greatest increase in risk.
A new UCLA study has identified a common cause for the multifaceted disease, pointing to a specific molecular signature that can help researchers identify its diverse causes. The discovery provides insight into how genes and proteins go awry in autism, altering the mind.
A new nerve-stimulation treatment called Trigeminal Nerve Stimulation (TNS) has shown promise in controlling seizures in patients with drug-resistant epilepsy. In a Phase 2 clinical trial, 40% of patients experienced a significant reduction in seizure frequency, with some also experiencing improved mood.
A team of scientists has achieved a significant breakthrough in treating paralysis, allowing a paralyzed man to stand and take steps with assistance. The study uses epidural electrical stimulation to mimic brain signals, enabling the spinal cord's neural network to initiate movement.
A new study claims that species extinction rates have been overreported by as much as 160%, using widely used methods. However, the global extinction crisis is still very real, according to researchers. The study's findings suggest that habitat loss is not as dire as previously thought, but conservation efforts are still necessary.
A new analysis of NASA's Galileo data confirms the existence of a molten magma layer on Jupiter's moon Io, explaining its intense volcanic activity and shedding light on the Earth and moon's formation. The 'ocean' of magma is estimated to be 30 miles thick and features blistering temperatures of over 2,200 degrees Fahrenheit.