A new UCLA-led study reveals a vast network of little-understood rivers and streams flowing on top of the Greenland ice sheet, potentially responsible for at least as much sea-level rise as other sources combined. The research found that meltwater from these waterways can flush their entire volume in less than two days, contributing to...
Researchers at UCLA and J. Craig Venter Institute discovered a signaling interaction between TM7x and Actinomyces odontolyticus, which causes mucosal inflammation. The study sheds light on the biological importance of TM7x and its potential roles in chronic diseases.
Researchers from UCLA have created a device that can accurately detect cancer and cell abnormalities like pathology lab microscopes. The lens-free microscope uses holograms to create 3D images, making it easier to spot any issues.
A UCLA-Columbia study found that direct conversations with individuals affected by an issue can build lasting support, as seen in a conversation about gay marriage. The study also showed that the effect can spill over to friends and family members, leading to sustained increases in support.
A UCLA study suggests targeting 'hot zones' in sub-Saharan Africa could significantly reduce the spread of HIV. The research found that focusing on areas with higher risk of infection would prevent 40% more new infections than traditional strategies, making it a cost-effective approach.
A team of scientists found that a specific chemical modification on RNA plays a key role in determining the ability of embryonic stem cells to adopt different cellular identities. Depleting or knocking out this component blocks stem cells from differentiating into specialized types of cells.
A study published in Nature Neuroscience found that the hippocampus, a region involved in spatial learning and memory, reacts differently to virtual reality than it does to real-world environments. In the virtual world, hippocampal neurons fire randomly, whereas in the real world, they process activity with precision.
Researchers created a 24-atom protein assembly that self-assembles into a porous molecular cube. This breakthrough could lead to the development of synthetic vaccines and targeted medicine delivery inside human cells. The discovery was made by UCLA biochemists led by Todd Yeates.
A new study by UCLA scientists found that plants have limited wiggle room to survive drought due to their plasticity. Most plant species accumulate salts in their cell sap to fine-tune their tolerance, but this adjustment only provides a relatively narrow degree of additional drought tolerance.
A team led by Andrea Ghez determined that G2 is most likely a pair of binary stars that had been orbiting the black hole in tandem and merged together into an extremely large star. The research suggests that many of the stars at the center of the galaxy are massive and mostly binaries.
A new saliva test has been developed that can diagnose deadly diseases like diabetes and cancer at an early stage. The test uses RNA molecules found in saliva to detect diseases, with the potential to lead to personalized medicine.
Researchers at UCLA have made a significant breakthrough in treating bladder function in people with spinal cord injuries. They found that training and epidural stimulation enabled paralyzed rats to empty their bladders more fully and efficiently.
A new study by UCLA researchers demonstrates how maternal inflammation can trigger excessive division of neural stem cells, leading to brain overgrowth and autism-like behavior in offspring. The findings suggest a potential environmental factor contributing to the complex disorder.
Researchers at UCLA have discovered that the drug AT2101 improves motor function, stops inflammation, and reduces alpha-synuclein levels in mouse models of Parkinson's disease. This finding suggests that further investigation into the compound's potential for treating Parkinson's is warranted.
A study by UCLA psychologists found that white Americans view diversity negatively when exposed to current projections of future demographics, with those who believe they will no longer be the majority expressing lower levels of support. This phenomenon is linked to whites feeling threatened by their perceived loss of American identity.
Researchers identified a compound called dequalinium chloride (DECA) that can prevent a metabolic enzyme from going to the wrong location within a cell. This prevents primary hyperoxaluria 1 (PH1), a rare and deadly genetic kidney disease, by ensuring the enzyme goes to its proper destination.
Researchers at UCLA School of Nursing have found that people with sleep apnea have weaker brain blood flow, which may be damaging the brain. The study used a non-invasive MRI procedure to measure global blood volume and oxygen-dependent signal in the brain, revealing changes in oxygenated blood across the whole brain.
Researchers identified a gene called AMPK that can slow the aging process throughout the entire body when activated remotely in key organ systems. Activating AMPK in fruit flies increased their lifespans by about 30 percent and kept them healthier longer.
A study by UCLA social scientists found that men who march in unison with others perceive a potential foe as smaller and less intimidating, leading to increased feelings of power and aggression. The researchers theorize that this phenomenon may be an evolutionary adaptation that favors individuals moving in coordination with groups.
A UCLA study suggests that excessive digital media use is linked to declining social skills in children, as they spend less time engaging in face-to-face interactions. The research found that sixth-graders who went device-free for five days showed significant improvements in recognizing human emotions compared to their peers.
Black truffles use complex genetic makeup and DNA methylation to regulate jumping genes, adapting to changes in their surroundings. This unique process sheds light on how fungi adapt to environmental changes without an active spore dispersal system.
Researchers created a model showing how Mercury's core dynamics contribute to its unusual magnetic field, which is three times stronger in the north than south. This finding indicates that planets have multiple ways of generating a magnetic field.
Researchers advocate for a new discipline combining benefits of neuroscience and psychology treatments to address mental disorders. The 'mental health science' approach aims to uncover mechanisms of existing psychological treatments and leverage neuroscience insights to create improved therapies.
A UCLA School of Nursing study found that 57% of young adults believe hookah smoking is not harmful to their health. Despite this, hookahs contain toxic chemicals and nicotine, posing serious health risks. The study aims to increase public knowledge on the dangers of hookah smoking among young adults.
Researchers at UCLA have discovered how factors regulating adult stem cells in lungs can lead to precancerous lesions. The study found that disrupting normal ROS regulation drives repair process, causing precancerous lesions to form.
Researchers found that mass murderers with mental health problems are not typical of those who commit violent crimes, and most people with serious mental illness do not engage in violent acts. An evidence-based approach to limiting access to firearms for individuals with behavioral risk factors can reduce gun violence.
A new UCLA-led report concludes that reducing greenhouse gas emissions is the primary way to combat global warming. The study finds that technology already available can reduce carbon emissions by up to 7 gigatons per year, but political support for emission reduction is lacking.
Researchers at UCLA discovered that B cells respond to threats by producing antibodies only when a high threshold is reached, reducing the risk of false alarms. This mechanism helps prevent immune deficiency and autoimmune diseases.
Researchers identified a mutated enzyme called LovD9 that produces simvastatin 1,000 times more efficiently than the natural enzyme. The team used computer simulations and X-ray crystallography to determine the molecular structures of both enzymes, revealing subtle variations in their behavior when immersed in water.
A UCLA study found that single mothers' job loss can significantly affect children's educational achievement and social-psychological well-being. Children of laid-off mothers are less likely to graduate from high school, attend college, and experience depression compared to those whose mothers remained employed.
A UCLA study reveals that genuine laughs share acoustic properties with animal laughter, while fake laughs sound distinct, suggesting humans have evolved to detect deception through laughter. The researchers analyzed recordings of real and fake laughs, finding breathy sounds were more prevalent in genuine laughs.
A new study by UCLA psychologists found that girls who are told they are too fat at age 10 are more likely to be obese at age 19. The researchers also found that the number of people telling a girl she is fat increases her likelihood of obesity.
A groundbreaking study has enabled four paraplegic men to regain voluntary movement in their legs through epidural electrical stimulation of the spinal cord. The therapy, which mimics brain signals to initiate movement, demonstrates the potential for functional recovery even years after severe spinal cord injuries.
A UCLA psychology study reveals that a diet high in processed foods leads to weight gain, fatigue, and cognitive impairments. The research suggests that junk food diets, not lack of exercise or discipline, are responsible for obesity and related health issues.
A new analysis of studies on school bullying found that comprehensive programs have been the most effective in reducing bullying, but require significant resources and commitment. Schools can do more to prevent bullying by ensuring students are not isolated and providing support to those who experience prolonged bullying.
Researchers found that apatite, a commonly used method for estimating lunar water content, may not be reliable due to its hydrogen-rich crystals forming from cooling magma. The discovery has significant implications for understanding the moon's formation and evolution.
Researchers develop new method to measure river discharge solely based on width measurements from satellite imagery, providing accurate estimates for agriculture, sanitation, and flood preparation. The approach holds promise for improving climate models and ensuring international water-sharing agreements are met.
A UCLA study reconstructs the temperature history of a region that influences global climate, revealing significant temperature changes over 20,000 years. The findings also shed light on the mystery of retreating glaciers in the Pacific Ocean's western tropics, with implications for future climate models.
A recent study by UCLA scientists and colleagues reveals that UV light significantly enhances the ability of melanoma cells to creep along the outside of blood vessels, leading to increased metastasis. The research demonstrates that exposure to UV radiation triggers inflammation, attracting immune cells that promote this process.
Astronomers have witnessed the first-ever breakup of an asteroid into as many as 10 smaller pieces using NASA's Hubble Space Telescope. The discovery suggests that sunlight may be responsible for this type of disintegration, which is a subtle effect known as YORP torque.
Researchers at UCLA have made major improvements in computer processing using multiferroic magnetic materials, reducing wasted heat and increasing power efficiency by up to 1,000 times. This breakthrough could make future devices more energy-efficient than current technologies.
A UCLA study suggests that young adult smokers may experience physical changes in their brains due to cigarette smoking, which could explain why adults who began smoking at a young age stay hooked on cigarettes. The researchers found that brain structure changes were linked to the amount of smoking exposure and nicotine dependence.
A new study published in Science has shed light on the structure of the Pacific Plate, revealing a compositional boundary that forms as rocks cool and change composition with depth. The research uses seismic tomography to image the interior of the plate and helps understand how it formed and evolved.
A decade-long study confirmed the effectiveness of lymphatic mapping and sentinel-node biopsy in detecting melanoma's early spread to lymph nodes, significantly prolonging patients' survival rates. The technique spares patients from unnecessary surgery and substantial costs for those with non-spreading tumors.
Researchers developed nanoparticles that absorb energy from infrared red wavelength and release chemotherapy drugs when triggered by two-photon laser. The delivery system shows promise for treating cancer with reduced treatment side effects and increased cancer-killing effect.
A UCLA study published in European Urology found that robotic-assisted prostate surgery resulted in 5% fewer positive margins and a one-third reduction in the likelihood of needing additional cancer therapies. This suggests that robotic-assisted radical prostatectomy may offer better cancer control with potentially lower downstream costs.
A UCLA research team has developed a treatment that blocks two metabolic pathways needed by leukemia cells, halting their growth and leading to cell death. The experimental treatment showed promising results in mice with acute lymphoblastic leukemia.
Researchers at UCLA found a significant link between the use of acetaminophen during pregnancy and an increased risk of attention-deficit/hyperactivity disorder (ADHD) in children. The study, which examined data from over 64,000 mothers and their children, suggests that long-term acetaminophen use may disrupt fetal brain development an...
Researchers from UCLA have developed a drug delivery system that may improve glaucoma management by reducing side effects and increasing patient compliance. The nanodiamond-drug compound was released into the eye through contact lenses, showing great promise for sustained treatment.
UCLA researchers analyzed dozens of studies to find that ovulating women prefer mates with sexy traits like masculine body type and facial features, dominant behavior, and certain scents. These preferences shift as the woman's cycle progresses and are thought to have been markers of high genetic quality in male ancestors.