Researchers found lead levels were 7 times higher near airports compared to other areas of Portland, with aviation fuel as the dominant source. The study highlights the need for soil testing to address lead exposure risks for children.
Northern spotted owl populations are approaching functional extinction across the Pacific Northwest, with AI-powered monitoring identifying critical habitats and ecological threats. The study highlights the need for targeted conservation strategies, including barred owl removal and habitat conservation, to prevent further decline.
A weakening Atlantic Ocean current system, known as the AMOC, could exacerbate global warming by distributing heat unevenly around the planet. During periods with a strong AMOC, the global ocean loses heat, while weak AMOC periods lead to a net increase in heat stored by the ocean.
In a rare study, researchers found that red-winged blackbirds consistently responded more aggressively to nonvenomous gopher snakes than venomous rattlesnakes, striking the snakes roughly half as often. The birds' unique defense strategy suggests they may be adapting to protect their nests from both types of predators.
A new analysis suggests that Oregon's voter-approved gun control measure led to a significant increase in firearm purchases, with thousands more firearms entering the state than would have otherwise. The study found that background checks surged nearly 14% before the election and then jumped 157% after the measure passed.
A new study by Oregon State University found that a cat-training program for children with developmental disabilities fosters healthy child behaviors and strengthens relationships between children and their family cats. The program also improves cats' social behavior, making them more confident and socially active.
Researchers at Oregon State University developed a low-cost, semi-automated camera system using AI to monitor bumblebee populations and other insects. The system recorded six species of bumblebees, closely matching those documented through traditional methods, and identified them automatically using custom-built deep learning models.
Research at Oregon State University found that frequent cannabis users wake up with more cortisol in their system, indicating a possible dysregulation of the body's daily stress response. This could lead to impairments in daily stress rhythms and a cycle of more cannabis use.
A consortium of nearly 100 partners in Oregon will receive up to $160 million from the NSF to grow the state's semiconductor ecosystem. The initiative aims to accelerate innovation, advance energy grid security, and boost regional economies.
A recent study by Oregon State University suggests that animals don't necessarily flee in search of better breathing conditions when exposed to wildfire smoke. Instead, they may shift their behavior to reduce the negative impacts of smoke inhalation.
Researchers have developed a novel treatment technique using sugar-coated nanoparticles to target and destroy glioblastoma cells. The method overcomes two major obstacles in glioblastoma treatment: delivering therapeutic agents through the blood-brain barrier and targeting tumors preferentially.
A new review of interspecies cooperation reveals that animals use cues and signals to work together for mutual benefit. The study found commonalities in these interactions across various species, including fish, dolphins, birds, and butterflies. Researchers highlight the importance of communication in these unique team-based behaviors.
Researchers at Oregon State University found that bat rays produce a chemical cue to alert other rays of potential danger. The study used three tanks with individual bat rays and simulated a predator in one tank, causing the other rays to exhibit a flight response.
A new light-sensitive device developed at Oregon State University combines sensing and memory while controlling how digital memories strengthen or fade over time. This innovation could enable more efficient processing of information directly at the sensor level, improving AI systems' energy efficiency.
College students who take more daily steps tend to have better sleep quality and reduced mental health issues. The study, published in Behavioral Sleep Medicine and Chronobiology International, found that excessive sedentary behavior can lead to negative mental health outcomes.
The Oregon State University-developed technology allows for the measurement of chemical and biological actions at the femtosecond level, enabling scientists to understand the exact sequences of biochemical reactions. This knowledge helps design effective cleanup methods by identifying vulnerable points in the molecule.
Researchers at OSU found that taller buildings and those with flammable exterior materials produce more embers, which can cause 90% of structure losses. The study aimed to predict how fires will spread and design resilient buildings against wildfires.
Researchers found that farmers and conservation groups share priorities on future uncertainty, collaboration, ecosystem-based approach, and creative management options. The study aims to improve dialogue and support effective management in the Klamath Basin and inform future river restoration efforts.
Researchers found that action-based friction, which required users to search for existing image resources, increased users' ecological responsibility in their AI use. The study also showed that cue-based friction, such as persuasive messaging about AI's environmental impacts, did not tend to affect users' intentions to use AI responsibly.
A new study by researchers at Oregon State University suggests that restoring landscapes shaped by frequent low-intensity fire does not conflict with spotted owl conservation. The study identified areas suitable for spotted owl nesting and roosting that are more likely to persist through fire, providing insights for land managers to pl...
A study of US adults aged 30-70 found that online social media connections with strangers are associated with increased loneliness. In contrast, connecting with friends online was not linked to greater or decreased loneliness. The researchers suggest prioritizing in-person connections over social media ones.
A new study found that FDA 'healthy' labels increase consumer selections of healthier snacks and command a price premium. The study, led by researchers at Oregon State University, examined consumer purchasing preferences for snack products with and without healthy labels.
A new study finds that warmer winters will lead to faster water transit times in the western United States, negatively impacting summer water levels and quality. The research focuses on the Naches River basin, where snowpack declines have already resulted in earlier spring discharges.
A novel sensor made of strontium oxide, functionalized carbon black, and reduced graphene oxide detects theobromine in foods, beverages, and pharmaceuticals with high accuracy and speed. The sensor's neutral pH and low sample amounts make it safer and more environmentally friendly than traditional methods.
A study of 50 datasets from over 1,000 individual parcels of tropical and subtropical forest found that avian species richness declines when habitat patches are surrounded by inhospitable areas. In contrast, modest tree cover in the surrounding landscape significantly increases the conservation value of small forest fragments.
A new study from Oregon State University has found a way to treat both lung cancer and associated muscle-wasting cachexia using lipid nanoparticles. The treatment involves loading the nanoparticles with follistatin messenger RNA, which triggers cells to produce the protein, promoting muscle tissue growth while inhibiting tumors.
Oregon State University researchers have developed a new class of lipid nanoparticles that can safely deliver gene-editing tools at lower doses, resolving a longstanding challenge in the field. The breakthrough was made possible by a DNA-based barcoding test that measures how efficiently different nanoparticle designs release their cargo.
A study by Oregon State University scientists found that viewers prefer high-quality videos and become less engaged with lower-resolutions. Participants who watched low-resolution videos remembered the information equally well but had less emotional reaction and were less receptive to opinions.
Researchers have made a breakthrough in understanding the chemical process linked with Alzheimer's disease by observing real-time interactions between metals and proteins. They discovered a method to selectively grasp copper ions that promote protein aggregation, offering hope for potential reversible treatments.
A recent clinical trial led by Oregon State University scientists found that the composition of a dog's microbiome is linked to its cancer survival rate. The study identified 11 specific types of bacteria that were associated with longer or shorter survival, suggesting potential biomarkers for predicting treatment response and improvin...
A study of over 100 kindergarten-age children suggests that kids tend to view snakes as being distinct from other animals. The research found that exposure to positive information about snakes, such as pictures and stories, can help shape attitudes towards these animals.
Multiple Earth system components are closer to destabilization than previously believed, threatening a hothouse Earth path driven by climate feedback loops. The researchers recommend prioritizing climate resilience in governmental policy frameworks and a socially just phaseout of fossil fuels.
Researchers at Oregon State University have developed a deep learning-based model for rapid bacterial contamination detection, eliminating misclassifications of food debris. The enhanced model can reliably detect bacteria in three hours and has the potential to prevent outbreaks and protect consumer health.
Researchers at Oregon State University developed a new nanoparticle that enables the removal of melanoma tumors with a low-power laser. The system uses resonance energy transfer to heat up and destroy cancer cells without harming healthy tissue.
The study highlights the impact of fire exclusion on mature and old-growth forests, which are culturally, economically, and ecologically significant. Researchers estimate that fire refugia could reduce the overall risk of severe fire by up to 20% in western Oregon, Washington, and California.
Researchers at Oregon State University developed a new nanomaterial that generates both hydroxyl radicals and singlet oxygen to kill cancer cells. The material showed potent toxicity in multiple cancer cell lines with negligible harm to non-cancerous cells.
A study found that a higher total amount of affectionate communication is more crucial for relationship satisfaction and intimacy than similar communication levels. Showing affection helps alleviate stress and improves individual well-being, contributing to healthier relationships.
A new study reveals that cougars' dietary changes to smaller prey help them avoid wolf encounters and reduce competition. Researchers found that cougars tend to avoid areas where wolves have made kills and stay close to escape terrain.
A three-month study using hair snares and remote cameras collected data on coastal marten population and habitat in a 150-square-mile area. The findings indicate that martens are most numerous at high elevations with consistent winter snowpack, and at lower elevations in ravines and riparian areas.
The High Seas Treaty, underpinned by Oregon State University science, aims to safeguard and sustainably use the high seas. The treaty has been adopted by 60 nations, including the U.S., and will go into effect on Jan. 17.
A survey of urban forests in western Oregon found no connection between mistletoe infestation and negative health outcomes for parasitized trees. Western oak mistletoe was observed in 227 non-native trees, with most being oaks, suggesting it may be a benefit to wildlife.
A new study of professional Santas found that diverse individuals can succeed in the role despite lacking typical attributes. Atypical Santas have found ways to surmount the odds and become successful in their chosen profession.
A new study reveals that four wild cat species in Guatemala's Maya Biosphere Reserve coexist without competitive exclusion by hunting in different vertical zones. Pumas primarily consume tree-dwelling prey, while jaguars and ocelots focus on ground-dwelling prey.
A calcite deposit in a southern Nevada cave has provided new insight into the region's hydroclimate, revealing significant shifts in temperature and rainfall over the last 580,000 years. The analysis suggests that temperature, availability of water, and vegetation are tightly coupled, with changes in one area impacting others.
A new study finds that floating solar panel systems can have varying effects on aquatic ecosystems depending on the reservoir's depth, circulation dynamics, and fish species. The cooling effect of the water can boost panel efficiency, but increased variability in habitat suitability for aquatic species is also observed.
The study by researchers at Oregon State University and Utrecht University found that children of parents with high levels of acceptance and low negativity tend to struggle less with their own parenting, while those who experienced little acceptance and a lot of negativity as children are more likely to become parents with similar diff...
Researchers developed a standardized language for describing cannabis and hemp aromas, which can aid in quality assessment beyond THC potency. The study found that hemp and cannabis exhibit overlapping sensory profiles, with distinct aroma characteristics emerging from each.
A long-term analysis of Detroit Reservoir shows a regime shift in 2018, switching from cylindrospermopsin to microcystin as the dominant toxin-producing strain. This change was caused by accumulations of previously identified Dolichospermum strains, providing early warning tools for downstream water utilities.
Researchers at OSU have designed a novel manganese-based MOF, BVR-19, which is less toxic to patients and more environmentally friendly than current contrast agents. The new material has shown promising results in medical imaging, with higher r1 relaxivity and biocompatibility.
A new analysis of Douglas-fir forests reveals that wildfire risk can reduce forestland values by up to 50% and prompt plantation owners to harvest trees earlier than planned. This is due to the volatility in timber pricing and the economic uncertainty caused by rising fire danger.