Scientists analyze brain structure and find PHLPP enzyme silences vital cell-survival protein, leaving vulnerable cells susceptible to damage. The discovery could lead to solutions for age-related memory loss and provide insights into the mechanisms of Alzheimer's disease.
Researchers at the University of Florida have discovered that rooted plants can mysteriously move down greenways, contradicting expectations based on physical forces. The study found that plants with no obvious mechanism for dispersal colonize corridors more quickly and at farther distances than isolated habitats.
University of Florida engineering researchers have built a prototype baby monitor that uses Doppler radar to remotely scan the in-and-out movement of a baby's chest due to respiration. The system can detect when a baby stops breathing and sends an alarm to a portable unit kept by parents.
Researchers at the University of Florida and the University of New Mexico have developed microscopic spheres that trap and kill harmful bacteria using conducting polymers and singlet oxygen. The spheres, dubbed 'roach motels,' showed promising results in killing over 95% of nearby bacteria after exposure to light.
A team of scientists found that climate change allows certain plants to defend themselves against local enemies more effectively than native plants. This shift in the balance of ecosystems could lead to an increase in invasive plant species and a loss of biodiversity.
Research reveals sea snakes dehydrate in saltwater and prefer freshwater or diluted brackish water. The findings may help explain the patchy distribution of sea snakes and their vulnerability to climate change.
Researchers have found that small islands in the Caribbean were preferred by early settlers for their rich marine resources and fertile coastlines. These smaller islands offered better wind flow, fewer mosquitoes, and more abundant fish, making them an attractive choice for subsistence and economic benefits.
Astronomers have discovered a rare event in the life of a distant quasar, marking the first time a huge flow of gas has been seen coming from one. This observation sheds light on how quasars come into being and may hold clues to galaxy formation.
Researchers at the University of Florida have discovered a way to short-circuit genetic processes that contribute to neuroblastomas. By targeting the ALK gene, they found that certain mutations can be sensitive to a small molecule inhibitor, potentially leading to new drug treatments.
A study published in PLoS One found that a restricted-calorie diet can reduce iron accumulation in muscle cell mitochondria, which can contribute to muscle loss in aging adults. The research suggests that reducing caloric intake early on may help limit muscle wasting in later years.
A safety study on gene therapy for a rare form of blindness has shown promising results, with three patients regaining some vision. The treatment involves delivering a gene called RPE65 to the retina using an adeno-associated virus, and has been found to be fully safe with no adverse effects beyond routine postsurgical soreness.
Researchers have found that large flightless birds of the southern continents did not share a common flightless ancestor. Instead, each species lost its ability to fly after diverging from ancestors that had the ability to fly. This challenges the long-held assumption of vicariance and suggests parallel evolution among these bird species.
Researchers estimate 1,672 billion metric tons of carbon locked up in permafrost, more than double the 780 billion tons in the atmosphere today. The thawing process could release significant amounts of greenhouse gases, supplementing human-influenced emissions.
Researchers discover ancient urban civilization in the Amazon, with clusters of 150-acre towns and smaller villages organized in spread out 'galactic' patterns. The settlements were heavily influenced by historic human activity, contradicting long-held stereotypes about early Western versus New World settlements.
Researchers found that capsaicin slows microbial growth and protects the fruit from Fusarium fungus, allowing seeds to be dispersed. The production of capsaicin comes at a cost for chili plants, with thin seed coats being a consequence of prioritizing chemical protection.
University of Florida researchers have discovered a marine compound called largazole that inhibits cancer cell growth in laboratory tests. The compound is derived from cyanobacteria and targets histone deacetylase enzymes, which are associated with several cancers.
Researchers at the University of Florida have discovered a way to improve thought processes in female mice by recharging a naturally occurring estrogen receptor in the brain. This breakthrough suggests that drugs can be developed to offset cognitive decline related to low estrogen levels, protecting against neurological diseases.
A new University of Florida study reveals that the Isthmus of Panama was formed by a Central American Peninsula colliding with South America, contradicting previous evidence. The research uses geologic, chemical and biologic methods to date rocks and fossils found in the Gaillard Cut of the Panama Canal.
Scientists have discovered the first mating pheromone in Caenorhabditis elegans, a tiny worm that sends signals to mate or hibernate. The newly found compound changes its behavior depending on concentration levels, affecting both reproductive and survival traits.
Researchers at UF and FIT used electric field and X-ray detectors to study X-rays emitted by lightning. They found that X-rays are produced just below each step of the 'step leader' process, which helps understand how lightning travels.
Researchers at the University of Florida have successfully reduced the Casimir force by altering the surface of metal plates, which could help mitigate stiction in microelectromechanical devices. The findings could pave the way for further miniaturization and potentially impact various consumer products.
Researchers found that toads in suburban areas are less likely to suffer from reproductive system abnormalities than those near farms. The study highlights the difference between the impact of agriculture versus development on amphibians.
A team of geologists from the University of Florida has found evidence that six major basins in India were formed over a billion years ago, removing an obstacle to the Snowball Earth theory. The discovery also suggests that complex life may have originated hundreds of millions of years earlier than previously thought.
University of Florida researchers have developed a neural implant that can learn and adapt with the brain, enabling devices to improve their performance over time. The system uses goal-setting and rewards to teach rats to control a robotic arm with their thoughts, demonstrating its potential for paralyzed patients and amputees.
Scientists have uncovered a cellular signaling mechanism that determines whether an embryo develops into an embryo or a placenta. By manipulating a specific gene, they were able to cause embryonic stem cells to differentiate into trophoblastic stem cells, which give rise to the placenta.
A new study found that low doses of resveratrol mimic the heart-healthy effects of caloric restriction, suggesting a possible explanation for France's low incidence of heart disease. The compound may also promote mitochondrial health and have anti-aging benefits.
Researchers with the Laser Interferometer Gravitational Wave Observatory Scientific Collaboration have ruled out emission of gravitational waves as a cause for the Crab Pulsar's spin braking. The study found that no more than 4% of the pulsar's energy loss is attributed to gravitational wave emission.
Researchers found that pairing leptin with a minor amount of exercise revived the hormone's ability to fight fat, preventing weight gain in obese rats. The study suggests that low-level exercise triggered a metabolic change that cleared the way for leptin to work effectively.
Researchers at the University of Florida have developed a new version of the adeno-associated virus used in gene therapy that works more efficiently than current vectors. By replacing an amino acid on the surface of the virus, they were able to improve its ability to deliver genes into cells and reduce the risk of triggering an immune ...
Researchers identified a compound that enhances ACE2 enzyme activity, dramatically lowering blood pressure and improving heart function. The compound also prevents damage to the heart and kidneys in hypertensive rats, offering new hope for treating cardiovascular disease.
Researchers found that tumor cells can become resistant to radiation by jamming their self-destruct mechanisms, which could lead to improved cancer treatments. The study suggests that controlling the blocking-unblocking mechanism of DNA sequences involved in cell death may be key to making cancer cells sensitive to radiation again.
A new University of Florida study reveals a link between relational victimization in adolescence and depression and anxiety in early adulthood. The study found that having friends or positive social relationships did not lessen rates of depression and anxiety, suggesting that this type of bullying can have long-lasting consequences.
A breath monitoring device helps prevent the emergence of drug-resistant strains of HIV by tracking medication adherence in high-risk individuals. The device records patients' breath tests and provides real-time feedback to doctors.
Researchers identify gene variation associated with mental stress-induced ischemia, a condition that increases the risk of heart attack and sudden death. About two-thirds of patients with coronary artery disease experience detectable mental stress-induced reductions in blood flow to the heart.
University of Florida chemists develop a new tool to identify biomarkers for serious diseases, potentially leading to earlier detection and improved treatment. The technique uses aptamers to recognize cancer cells and could have applications in disease detection, imaging, and therapy.
A three-year prevention program did little to reduce alcohol use among Chicago middle schoolers, despite its success in rural Minnesota. The study suggests that low-income children in urban areas need more comprehensive and intensive efforts to prevent drinking.
Physicists with the CLEO collaboration have confirmed a decades-old prediction by observing a rare and extremely short-lived subatomic particle called charmed-strange meson. The particle decays into a proton and anti-neutron, producing about 10% of all collisions in the accelerator.
Pediatric foot and ankle burns are a common risk in the southeastern United States due to warm weather activities. According to UF researchers, most injuries occur when children walk on hot ashes, coals, and embers without proper footwear or parental supervision.
A University of Florida study found that the protein Bc12 blocks DNA repair in lung cancer cells, allowing them to thrive despite damage from radiation or chemicals. The discovery provides a new understanding of how lung cancer cells evade treatments, offering potential targets for drug development.
Researchers discovered a protein imbalance in Parkinson's disease patients and found that adding a phosphate group can reduce toxicity. The study suggests alpha-synuclein protein plays a key role in brain cell communication and may be a potential target for therapy.
A global malaria map reveals a significant reduction in risk, with 1 billion people under lower infection rates. The map, produced by the Malaria Atlas Project, provides critical data for targeted control measures and potential elimination efforts.
Researchers used fMRI scans to analyze how subjects' brains responded to TV ads, while also collecting their reported impressions. They found specific locations in the brain associated with familiar emotions like pleasure and excitement. The study aims to gauge human emotions directly through brain-scanning technology.
University of Florida engineering students develop an airbrush technique for producing microelectrodes, offering a cheaper and quicker alternative to traditional screen printing methods. This innovation has the potential to support various applications in consumer, research, and medical products.
A study found genetically similar lice on 1,000-year-old Peruvian mummies, challenging the idea that all diseases were transmitted from the Old World to the New World at the time of Columbus. The discovery sheds new light on human migration patterns and may help understand the origins of epidemic typhus.
Researchers reconstructed proteins from ancient bacteria to measure the Earth's temperature over billions of years, revealing a massive cooling period between 500 million and 3.5 billion years ago. This study provides insight into how life adapted to the changing environment during the Precambrian period.
Men with prostate cancer who undergo radical prostatectomy experience significant urinary and sexual dysfunction, including incontinence and depression. Health-care practitioners must educate patients about these side effects to improve quality of life.
Scientists studied prairie voles' mating habits and nervous systems to understand their behavior. The research found that male 'wanderers' lack receptors for spatial memory, leading them to return to territories with high contact with females.
Researchers find that small losses of mangroves can be offset by gains from shrimp farming, allowing for a balance between environmental protection and economic development. The study suggests using ecosystem-based management to conserve entire ecosystems and mitigate the impact of human activities on natural habitats.
A study reveals that elephants, giraffes, and other large plant-eaters spur Acacia trees to hire ants as bodyguards, but without them, the trees suffer. The research highlights how people's impacts on ecosystems can cascade down unexpected paths.
University of Florida researchers have successfully triggered insulin production in diabetic mice by injecting them with the naturally occurring protein Pdx1. The study found that daily injections of Pdx1 normalized blood glucose levels within two weeks, promoting regeneration of insulin-producing cells in the pancreas.