Researchers developed a comprehensive road map of ovarian reserve formation in primates, providing crucial insights into women's health. The study could lead to better treatments for infertility and hormonal disorders like PCOS.
Researchers discovered that mitochondria use folate to prevent infection by competing with invading pathogens. In a study on Toxoplasma gondii, scientists found that the parasite grew more slowly when mitochondrial metabolism consumed folate, a critical nutrient for its survival.
A new UCLA study found that the optimal level of emotional response while listening to music influences memory, with too little or too much arousal having opposite effects. Music can become a powerful therapeutic tool for improving learning and memory in conditions like Alzheimer's disease and PTSD.
A UCLA research team has discovered a key mechanism that allows parasitic worms to penetrate human skin and is now exploring a topical preparation to disrupt this pathway. The therapy aims to prevent infection by targeting the same molecule associated with pleasure in humans, but which drives parasite entry.
A UCLA team has uncovered new details about the muscle controlling blinking, offering a pathway toward developing blink-assisting prostheses. The orbicularis oculi muscle contracts in complex patterns that vary by action and move the eyelid in more than just a simple up-and-down motion.
Researchers found that heavy use of copper antimicrobials can drive antibiotic resistance in bacteria, but switching to copper with other measures can help mitigate this effect. Copper-resistant bacteria also become resistant to antibiotics, suggesting a common evolutionary pathway.
Researchers at UCLA developed a prototype alternating-pressure mattress to address the problem of inconsistent care for bedridden individuals. The mattress uses embedded sensors and compliant mechanisms to vary pressure locally across the surface, minimizing actuation energy and cost.
A recent study by UCLA researchers found that introducing new genetic variation from Texas reduced the influence of harmful mutations in Florida panthers, improving their fitness. However, the effect of this intervention may be temporary, and continued protection is needed to preserve the subspecies.
A new report from UCLA and Cal Lutheran University shows that California Latinos account for nearly a quarter of the total U.S. Latino GDP, with an estimated annual output of $400 billion. The state's economy would fall to eighth-largest globally without this significant contribution.
A small collection of neurons in the brainstem, known as the locus coeruleus, acts like a 'memory reset button' during meaningful changes. This region predicts later memory separation and influences the hippocampus to map experiences. Chronic stress may weaken this neural signal.
A new approach harnesses radiant cooling to reduce outdoor temperatures by up to 10 degrees Fahrenheit. The technique uses water-cooled aluminum panels and see-through, infrared-reflective thin polymer film to create a cooler space while maintaining visibility.
Researchers found that longest heat waves will see greatest acceleration in frequency, while extreme heat waves will increase most. The study's equation can analyze one region or multiple regions, providing valuable insights into climate change impacts.
A new diagnostic tool uses AI to analyze handwriting signals, detecting subtle motor symptoms associated with Parkinson's disease. The device has shown an average accuracy of 96.22% in distinguishing patients from healthy individuals.
A new study by UCLA, UC Santa Cruz, and Cal State Channel Islands researchers found that Latinas earn only 47-50 cents for every dollar earned by a non-Hispanic white man in the affected counties. The research highlights educational access, wage gaps, scheduling and gender inequalities for workers.
Researchers found that ibudilast works better for women who have lower levels of depression and inflammation. The study, which recruited 102 adults with moderate or severe alcohol use disorder, showed that ibudilast did not reduce drinking in most participants, but had a positive effect on female participants.
Scientists propose a new route for neutrino production in the galaxy NGC 1068, where helium nuclei break apart under intense ultraviolet radiation, releasing neutrons that decay into neutrinos. This scenario explains why neutrino signals outshine gamma-ray emissions and accounts for distinct energy spectra.
A study published in PLOS One suggests that curiosity and interest in lifelong learning can help offset or prevent Alzheimer's disease. Researchers found that state curiosity, which is a momentary feeling of curiosity when asked about specific topics, increased sharply after middle age and continued well into old age. This contrasts wi...
Researchers engineered a human gut bacterium to detoxify methylmercury, reducing its levels in the intestine, brain, and liver of mice fed a diet rich in fish. The study suggests that a probiotic could one day increase the benefits of eating fish, making it safer for people to consume seafood.
Researchers at UCLA developed a novel catalyst design that shields platinum from degradation, enabling fuel cells to power heavy-duty trucks reliably for up to 200,000 hours. This breakthrough could make hydrogen fuel cells a more viable clean energy source for long-haul trucking.
Researchers at UCLA and Princeton discovered that showing people continuous temperature data can lead to a vague impression of gradual change, while presenting binary data like lake freezes causes a striking shift. This approach may overcome climate apathy by creating an emotional connection to local traditions.
A new UCLA-led study reveals that the Hunga Tonga-Hunga Haʻapai volcano eruption in 2022 actually cooled the Southern Hemisphere by 0.1 C due to the formation of smaller sulfate aerosols. This effect was more significant than initially thought and challenges geoengineering efforts to combat climate change.
Researchers found that the intense heat and pressure under new planets cause water and gas to react, creating unexpected mixtures. This reaction leads to a 'rainfall' deep inside the atmosphere, reshaping the planet's evolution for billions of years.
UCLA doctoral student Yilin Wong noticed spiral patterns on her Germanium chip sample after leaving it overnight. The patterns were influenced by residual stress in the metal film, with different changes in experiment parameters generating various shapes.
Researchers measured exoplanet orbits, finding small planets have nearly circular orbits while giant planets have more elliptical orbits. This discovery points to two different formation pathways for small and large planets.
Researchers found that eBay sellers who respond slowly to buyer offers may be signaling they are close to accepting the price. Buyers, on the other hand, are discouraged by slow responses and less likely to make counteroffers. By taking a slow response as a positive sign, buyers can potentially get better deals.
Researchers found that white-faced capuchin monkeys who showed a stronger stress response were more likely to survive extreme droughts. The study, led by UCLA's Susan Perry, used natural experiment of an El Niño drought in Costa Rica to investigate the adaptive nature of stress response.
Researchers discovered that skin-penetrating nematodes, like Strongyloides stercoralis, interact with human hosts through CO2-sensing pathways. The study found that infective larvae are repelled by CO2, while noninfective larvae and adults have a neutral reaction.
Researchers at UCLA have developed a compact cooling technology that can continuously pump away heat using layers of flexing thin films. The prototype lowered ambient temperatures by 16 degrees Fahrenheit and up to 25 degrees at the source of heat, offering a simpler design without greenhouse-gas-generating coolants or liquids.
A new study from UCLA and Oklahoma State University found that people may trust cheaters who benefit them, rather than just those who have betrayed in the past. This challenges traditional notions of trustworthiness and suggests that relationships are influenced by self-interest.
Research links intensifying hydroclimate whiplash to the atmosphere's ability to absorb and release more water as temperatures rise. This 'whiplash' sequence in California has increased fire risk by twofold, with severe drought followed by record-breaking rainfall.
A new film made from a thorium precursor could replace crystals in atomic clocks, enabling more accurate time measurements. The film requires much less thorium-229 and is about as radioactive as a banana, paving the way for smaller, more portable, and cheaper nuclear clocks.
A team of scientists captured an astonishing image of a gamma-ray flare emanating from the supermassive black hole at the center of galaxy M87. The flare was tens of millions of times larger than the event horizon and lasted about three days, providing crucial insights into particle acceleration near black holes.
Higher temperatures caused by climate change are increasing evaporation enough to cause exceptional droughts in the American West. Evaporative demand now accounts for 61% of drought severity, while reduced precipitation only accounts for 39%. Climate change is expected to lead to more severe and longer-lasting droughts.
Scientists have engineered synthetic genes that can assemble into complex biomaterials like nanoscale tubes, using a modular approach similar to building furniture. This breakthrough enables the creation of distinct materials that can spontaneously develop from a finite set of parts by rewiring the timing of molecular instructions.
Researchers at UCLA have invalidated Bredt's rule, a fundamental principle in organic chemistry that has constrained the design of molecules for pharmaceutical research. By creating anti-Bredt olefins, also known as ABOs, chemists can now generate highly unstable structures with practical value.
A new study shows that preventing F-actin accumulation in the brains of aging fruit flies can maintain cellular recycling, extend lifespan and improve cognitive function. This discovery may offer a promising direction for developing interventions to promote healthier aging in humans.
Researchers developed a new approach called ZeroCAL, which can remove nearly all carbon dioxide emissions associated with cement production. The process uses limestone as a feedstock and produces clean hydrogen and oxygen gas, making it an elegant solution to reduce carbon footprint.
Researchers have discovered that the strength of a coupling between nuclear spins depends on the chirality or handedness of a molecule. The study found that in molecules with the same handedness, the nuclear spin aligns in one direction, while in molecules with opposite handedness, it aligns in the opposite direction.
Researchers discovered that urban and desert fruit flies use distinct visual navigation strategies to maintain balance and orient towards interesting objects. The study suggests that the visual environment plays a crucial role in shaping these navigation tactics, with implications for human vision and autonomous vehicle development.
Researchers developed a cumulative adversity index for yellow-bellied marmots, showing that early life stressors can have lasting effects on their survival and lifespan. The study found that moderate and acute adversity decreased pup survival rates by 30% and 40%, respectively.
As griffon vultures age, they tend to establish fewer but stronger social bonds with a core group of friends, while their movement routines become more routine. This shift in behavior is linked to the birds' increasing loyalty to familiar food sources and roosting sites.
Researchers found that dark matter radiation could heat hydrogen gas long enough for gravity to condense it into clouds big and dense enough to turn into supermassive black holes. This process bypasses the need for stellar burning, accretion, and mergers, which typically take billions of years.
A rare 'dual-initiation' mechanism led to Japan's violent Noto earthquake, which killed over 280 people and damaged 83,000 homes. The quake began simultaneously at two points on the fault, encircling a barrier and breaking it, releasing intense energy.
Researchers at UCLA found that venting frustrations to a friend can make them more likable and create stronger bonds, but only when listeners don't perceive aggressive intent. This 'competition' for friends' affections can lead to improved health, happiness, and social support.
Researchers at UCLA developed a new class of tunable dynamic material that mimics the inner workings of push puppets, enabling precise control of structural shape and flexibility. The material has potential applications in soft robotics, reconfigurable architectures, and space engineering.
A new mechanism uses common building materials to absorb or radiate heat, reducing the need for air conditioning and heaters. This passive approach can save energy and is particularly beneficial for low-income communities with limited access to cooling and heating systems.
Researchers at UCLA and NASA's JPL found that the 2023 Rolling Hills Estates landslide was a slow-moving, progressive event that began with heavy winter rainfall. The study used satellite data to measure ground motion over time, revealing subtle movements before accelerated collapse.
A new definition of a planet is proposed to replace the outdated IAU definition, which requires orbiting our sun. The new definition includes being unrestrained by the bounds of our solar system and provides quantitative criteria for defining planets.
Activists from both the right and left agree that avoiding gender stereotypes is valuable for children. The study also found that many activists support parents following their child's lead, regardless of gender expression. However, there are differences in how each side approaches issues like gender identity and reproduction of inequa...
Scientists have successfully embedded a thorium atom within a crystal to raise its energy state using lasers, allowing for precise measurements of time, gravity, and other fields. This breakthrough could unlock the secrets of fundamental constants of nature and test if they vary.