Researchers from the University of Oregon found that female bonobos control meat consumption and sharing, similar to male-dominated chimpanzees. They also observed aggressive behavior towards adult males trying to take pieces of meat, but showed tolerance with subadult males.
Researchers identified the posterior tail of the dorsal striatum as a critical region for integrating sound and reward signals. The study found that signals from two parallel pathways are combined to guide behavior towards the best reward, with enhanced integration in the posterior striatum.
Researchers at the University of Oregon have successfully created artificial atoms in white graphene, which can generate single photons and potentially lead to breakthroughs in all-optical quantum computing. The discovery enables the scalable fabrication of artificial atoms onto a microchip, working in air and at room temperature.
The completed genome of the Antarctic blackfin icefish reveals genes that have adapted or disappeared as the fish acclimated to rising oxygen concentrations. The study provides insights into how these traits arose and may help understand human disease mechanisms and potential new therapies.
Researchers found that physical structures in an environment can influence species coexistence, with certain structures stabilizing interactions between species. The study used supercomputer simulations to explore relationships between biodiversity and environmental physical structure.
Researchers at the University of Oregon used EEG to capture how the brain builds complex sequences from basic elements. The study found that individuals with strong working memory had a clearer record of current chunks, enabling them to reconstruct sequential patterns.
Researchers found that variations in tone of language used in advertising biased attitudes toward a brand, decreasing consumer trust. The level of politeness was most important, with more polite taglines leading to lower trust in ethically ambiguous business practices.
Researchers identified a novel anti-inflammatory bacterial protein, Aeromonas immune modulator (AimA), that reduces gut inflammation and delays death by septic shock in zebrafish. The study suggests that AimA acts as a mutualism factor, promoting both bacterial colonization and host survival.
A two-part study by University of Oregon psychologist Marjorie Taylor found that 17% of children aged 8-12 create complex imaginary worlds, reflecting positive creativity, strong storytelling skills, and social connections. These 'paracosms' were often shared with friends, suggesting a social aspect to this childhood phenomenon.
Researchers have found that the unique bird species on Inaccessible Island has its origins in South America, rather than Africa or Asia. The birds likely arrived on the island via debris or flying, and over time evolved into a flightless species due to abundant food sources and predator-free habitats.
Researchers found a deep, rupturing subduction zone earthquake that defies existing models, indicating the need for reevaluation of hazard maps and building codes. The study suggests seawater infiltration may have accelerated cooling in the Cocos plate, making it susceptible to tension earthquakes.
A new study found that teenagers exposed to TV and film violence and high levels of household conflict are at risk of engaging in aggressive behaviors. Parental monitoring is a strong protective factor against aggression, even when combined with other risk factors.
Researchers at the University of Oregon have created a new class of fluorescent dyes, called nanohoops, that can be used to track multiple biological activities in live cells. These circular structures emit colors based on their size and can be guided to specific sites within cells.
Oregon researchers developed a new approach to capture the physical processes controlling glacier flow, shedding light on how sediment influences sliding speed. This improvement will help create more accurate ice flow models and forecast sea levels.
Researchers found a 130% increase in fishing activity in the Phoenix Islands Protected Area before a full ban took effect, setting back conservation efforts. The study suggests that people will adapt rationally to policy changes, leading to unintended consequences for conservation goals.
A team of researchers from the University of Oregon has made a groundbreaking discovery about the neural circuitry that controls movement in fruit flies. By mapping the communications between a pair of brain neurons and motor neurons, they found that a single neuron can trigger both forward and backward motion.
A new study published in the Journal of Youth and Adolescence found that most teenagers do have behavioral brakes, contradicting the long-held idea that adolescence is a time of impulsive behavior. The research suggests that only children with weak cognitive control are at risk for trouble in adulthood.
Researchers identified brain cells crucial for zebrafish socialization, mirroring human social behavior problems seen in autism and schizophrenia. The study's findings provide a new avenue for research on the biological underpinnings of social behavior.
Scientists have discovered regions with lower seismic wave velocities beneath both ends of the Cascadia fault zone, indicating rising pieces of the Earth's upper mantle. These anomalies could modulate plate coupling forces and influence the location, frequency, and strength of earthquake events.
Researchers discover pyrosomes, known as 'sea pickles,' are thriving in colder waters off the Oregon coast, potentially disrupting regional fishing operations and food webs. The invasive species may be capitalizing on nutrient-poor conditions to feed on plankton, leading to systemic changes in the ecosystem.
Researchers at University of Oregon and Oregon State University found that biocompatible gold nanoparticles and surfactants become toxic when combined in a synergistic way, causing 88% mortality rate in zebrafish embryos. The study's new delivery system could serve as an early screening method to detect toxicity and ensure product safety.
A study of young bonobos in captivity reveals that immature females prepare for motherhood by helping mothers care for infants and forge alliances with them. This behavior is linked to increased oxytocin production, associated with complex social behaviors and maternal activities.
A University of Oregon study found that fans who feel part of a group experience higher levels of excitement, joy, and engagement, leading to increased sponsor recall and repeat attendance. Fostering this in-group feeling can be achieved by creating welcoming off-site venues and activities.
A University of Oregon-led study found that the rapid rise of land above the ocean 2.4 billion years ago triggered dramatic changes in climate and life on Earth. The researchers discovered archival-quality evidence of rainwater weathering, which led to a stepwise change in oxygen isotopes, coinciding with the emergence of eukaryotes an...
A University of Oregon-led project found that high immune function during childhood is associated with significant growth reduction. Chronic exposure to parasitic worms was linked to reduced stature and lower-leg growth, highlighting the metabolic cost of a robust immune system.
Using computer modeling, University of Oregon scientists have unveiled a thick crustal transition zone that may control the movement of magma emerging from the Earth's mantle. This discovery provides a new explanation for the geology underlying recent seismic imaging of magma bodies below Yellowstone National Park.
Researchers discovered that Vibrio cholerae causes a 200-percent increase in intestinal contractions, expelling native gut bacteria in zebrafish. This finding sheds new light on the bacterium's invasion mechanisms and potentially opens doors to therapies targeting its path.
Researchers used fMRI to study how subjects process individual experiences into memories and found the hippocampus plays a role in conceptual memory formation. Consistency and similarity across new experiences contribute to building abstract thinking, enabling people to form coherent concepts.
Researchers identified a bending fault line in the Pacific Ocean as the likely cause of the 7.1 magnitude Puebla earthquake, which caused significant damage in Mexico City. The study suggests that earthquakes like this one may be more common than previously thought in a region southeast of Mexico City.
Biochemists have made a discovery that sheds light on the molecular machinery that allows some cells to wiggle their way through tissues. The researchers identified two locations on Arp2/3 where an activator protein touches, promoting cell motility and potentially leading to new opportunities for cancer treatment.
Researchers found that positive sponsorship agreements can increase employee identification with the organization, while negative ones can lead to turnover. Deals that resonate with employees' values can strengthen their bond with the company.
University of Oregon geologists discovered unusual seafloor structures indicating heightened worldwide magmatic activity 66 million years ago after the Chicxulub meteor struck. The research suggests seismic waves from the impact triggered accelerated volcanism globally, contributing to a mass extinction event.
A comprehensive analysis of 150 university policies reveals limited research supporting compelled disclosure, which can silence and disempower survivors. Researchers propose four alternative approaches prioritizing survivor-centered goals to protect everyone involved in sexual assault cases.
Scientists at the University of Oregon have isolated blood-feeding and non-biting genes in mosquitoes, a breakthrough that could lead to female mosquitoes that no longer bite and spread diseases. The goal is to identify universal non-biting genes across multiple disease vectors.
A study at the University of Oregon discovered that women who practiced gratitude in a journal showed increased altruism, particularly when viewing transactions donating to charity. This suggests that an attitude of gratitude can lead to more generous behavior towards others.
A scientific team, led by geologist Rebecca Dorsey of the University of Oregon, theorizes that the river's route off the Colorado Plateau was influenced by a combination of tectonic deformation and changing sea levels. The research challenges long-held conventional thinking on river connection to ocean.
University of Oregon researchers used computer simulations to study the evolution of proteins and found that basic physical limitations make uncertainty the norm. The team's findings confirm what many people in the field have observed: unpredictability is universal in biological systems.
A University of Oregon study found that bilingual preschoolers develop faster inhibitory control skills than monolingual peers. The research used a longitudinal approach to examine the effects of bilingualism on executive function development in low-income children.
An international team developed a statistical approach to examine forest populations and predict biodiversity, highlighting the importance of rare species in maintaining ecosystem health. The new method provides accurate estimates of species numbers and abundances, enabling conservation efforts to focus on vulnerable species.
A team of researchers at the University of Oregon has identified a universal pattern in protein motion, which could help pinpoint where proteins bind to other molecules. The study found that protein motion is governed by random energy fluctuations and a critical hydrogen-bonding network.
A recent Oregon study with zebrafish found that transmitted microbes lead to similar gut microbiomes, selecting for particular microbes that are good at moving from fish to fish. This suggests the movement of microbes may drive microbiome variation and could impact human health.
Researchers at the University of Oregon have made significant progress in developing fractal-based retinal implants that could potentially restore vision to people with macular degeneration. The implants use fractal geometry to stimulate retinal neurons, achieving a 90% increase in neuron stimulation while using less voltage.
Researchers have discovered a 'reverse energy cascade' that traps rising magma in the crust, forming massive granite bodies like Yosemite's El Capitan. This process helps build better understanding of volcanoes, their impacts on global climate, and where large volcanoes are likely to occur.
Researchers found that sponsorships involving high fees and distant international sponsors are perceived as reflecting calculative motives, while close geographic proximity is associated with affective motivations. Teams need to communicate the relevance of a sponsor to their market and area.
A steroid hormone called ecdysone has been identified as a crucial trigger for brain development in fruit flies. The hormone is similar to human thyroid hormone and its activity timing may hold clues to maternal hypothyroidism, a condition that can cause severe neurological defects and fetal brain damage.
A study published in Journal of Health Economics found that drinking by pregnant women is down 11 percent in states requiring point-of-sale warning signs. The benefits to heeding the warnings show up in fewer extremely premature births and very-low-birth-weight babies.
Researchers discovered that clusters of specialized skin cells migrate over reforming bones and escort bone cells into the right positions to form a branched skeletal network. The process is driven by Sonic hedgehog protein, which interacts with bone-building cells to promote bone patterning.
Research using mutant zebrafish models human disease to show that changes in certain gut bacteria can cause intestinal inflammation. Transplanting beneficial bacteria and restoring gut neurons also cured the disease.
Researchers found that adolescents with weak working memory and progressive drug use are at a higher risk of developing substance abuse problems later in life. Interventions targeting these underlying factors can help prevent substance abuse problems in adolescents.
Researchers have unlocked the mystery of why people see multiple images in Rorschach inkblots by analyzing fractal characteristics at the blots' edges. The team found that higher fractal dimension values produce more visual perceptions, with inkblots generating up to 300 differently perceived images.