A study of 50 years of data found no evidence that conservation spending improved wild salmon and steelhead populations in the Columbia River Basin. Despite efforts totaling over $9 billion, hatchery-reared fish numbers have increased while wild stocks remain under pressure.
Researchers analyzed over 650 dam removal projects and found median costs vary by height, with the Northwest accounting for the highest cost. The tool will help decision-makers manage large numbers of aging dams approaching obsolescence.
Researchers developed a novel drug delivery system using polymersomes to target embryonic cells, reducing the need for higher doses of methotrexate. This breakthrough has promising results for managing ectopic pregnancies, potentially improving patient outcomes.
Research found that warmer ocean temperatures and marine heatwaves lead to increased overlap between Chinook salmon and Pacific hake, raising the risk of salmon bycatch. The study used 20 years of data and modeled behavioral changes to show how salmon move lower into the water column during higher temperatures.
Researchers at Oregon State University have developed a new, cost-effective way to capture carbon dioxide from industrial emissions. The method uses a nanomaterial called a metal-organic framework (MOF) that can selectively adsorb CO2 in humid conditions, making it suitable for post-combustion applications.
A multiyear NSF project led by OSU scientists has found evidence of low-frequency gravitational waves permeating the universe. The 'chorus' of gravitational waves was discovered using radio pulsar timing and reveals that they are a ubiquitous physical phenomenon.
Researchers estimate that gray whales off the Oregon Coast consume millions of microparticles per day, primarily from zooplankton and fish. The study suggests that these high loads of microfibers may be affecting the health and behavior of the whales, with potential consequences for their populations.
Researchers at Oregon State University have developed a process to convert waste PVC into a wax-based adhesive, which can replace traditional adhesives in the flooring industry. The new adhesive avoids volatile organic compounds (VOCs) and has potential applications in various construction sectors.
New research by Oregon State University suggests the Ontong Java Plateau is younger and its eruption was more protracted than previously believed. The findings contradict long-held assumptions about the formation of the plateau being linked to a global oxygen-depletion event that formed black shale deposits worldwide.
A six-month study found daily multivitamin/multimineral supplementation had a positive effect on key nutrition biomarkers in healthy older men. The researchers also found that the changes in nutrition status could have direct connections to cellular function.
Researchers at Oregon State University found that newly planted coastal switchgrass on sand dunes can accelerate erosion from extreme waves. The study suggests that vegetation initially creates a physical barrier but also increases water penetration into the sediment bed, leading to destabilization and accelerated scarp formation.
Research from Oregon State University shows that Americans judge the morality of armed self-protection on a case-by-case basis, considering factors like perceived threat and background of the person carrying the gun. The study highlights the complexity of consumer views on gun rights and Second Amendment rights.
Researchers have discovered a common virus hidden within the genomes of coral symbionts, which can threaten the stability of the symbiotic partnership. Climate change and stress can trigger the release of this non-retroviral RNA virus, leading to disease in corals.
A study by OSU researchers found that tropical forest birds with shorter, round wings are more susceptible to habitat fragmentation due to their limited dispersal abilities. This is in contrast to temperate forest birds with longer, narrower wings, which are better equipped for long-distance flight.
A new study by Oregon State University provides a framework for protecting the endangered Sierra Nevada red fox, which is struggling due to habitat loss and climate change. The research uses computer modeling based on 12 years of data to estimate the fox's population distribution in the Cascades and Sierra Nevada regions.
Researchers at Oregon State University and Baylor University have made a breakthrough in reducing the energy consumption of photonic chips used in data centers and supercomputers. By using a new, ultra-energy-efficient method to compensate for temperature variations, they were able to reduce energy needs by over 1 million times.
Oregon State University will spearhead a two-year NSF Engines project to advance semiconductor technologies in the Pacific Northwest. The project aims to create a regional innovation ecosystem and provide training programs for a diverse workforce.
A fossil arthropod from 100-million-year-old Burmese amber has been identified as a new genus and species of froghopper. The newly discovered insect had prodigious leaping ability in adulthood, similar to its modern-day counterparts.
Researchers at Oregon State University are part of a $5 million NSF effort to accelerate robotics research by providing standardized humanoid robots. The project will build on an earlier success that designed and tested 10 prototype Quori robots, incorporating lessons learned to improve the robot's design and distribution.
New research reveals that atmospheric dust supports 4.5% of global annual carbon export production through phytoplankton growth, with regional variation up to 20-40%. This pathway helps regulate atmospheric carbon dioxide levels and mitigate climate change.
A researcher at OSU-Cascades is developing an AI-powered smart compost bin that tracks household food waste. The device prompts users to describe deposited items, transcribing notes with automatic speech recognition and collecting 3-D images and sensor measurements.
A recent study from Oregon State University found that refocusing on mental imagery is a more effective distraction than verbal thoughts for adolescents stuck in negative thought spirals. The study, led by Hannah Lawrence, suggests that mental imagery can help break up the thought spiral and seek help from a therapist or support system.
A study by Oregon State University found that a metal bar installed on the crab-sorting table can reduce the strain on fishermen's bodies and prevent injuries. The researchers tested different banger bar configurations and found that higher bars and triangular bars were the most effective in reducing muscle activity and joint moment.
A new study from Oregon State University found that massive iceberg discharges during the last ice age triggered rapid warming in Antarctica but had no effect on temperatures in Greenland. This discovery challenges current understanding of global climate dynamics and raises more questions than answers.
Researchers identified a new class of sulfur-containing compounds, thiophenols, contributing to smoke taint in wine. Thiophenols were found in wines exposed to smoke and not in control samples.
Native bees in Oregon's Coast Range are diverse and abundant in clearcut areas within years of timber harvest, but numbers drop sharply as the forest canopy closes. Management practices that promote open conditions can enhance floral resources and promote bee diversity.
Researchers at Oregon State University have created a new model for evaluating potential cervical cancer drugs. The study, led by Kaitlin Fogg, enables the simultaneous and rapid testing of multiple drug compounds, opening the door to large-scale screenings that can uncover new therapies and personalized medicine options.
Research shows that young black rockfish grown faster during a marine heat wave, while also experiencing varying levels of survival. Moderate growth rates and sufficient food led to the highest survival rates.
A team of scientists led by Xiulei Ji at Oregon State University has developed a new electrolyte that enables nearly 100% efficiency in zinc metal anode batteries. The breakthrough uses water and inexpensive chloride salts, offering a secure and efficient solution for large-scale energy storage.
A study by Oregon State University scientists reveals that the black-backed woodpecker can successfully breed in both burned and unburned forests, with better nestling body condition found in green forest. The research has significant implications for conservation and forest management efforts, suggesting that practices promoting pyrod...
The Southern Resident killer whale population is spending far less time in the San Juan Islands as their primary food source, Chinook salmon, declines. This decline is likely an effort to find alternative food sources, and research shows a strong relationship between the whales' presence and salmon returns.
Researchers at Oregon State University have created a portable sensor that can detect cortisol hormone levels in sweat, providing a fast and reliable diagnostic tool for various diseases. The device uses an artificial enzyme to capture cortisol molecules, producing electrical signals that indicate the hormone's presence.
A new study by Oregon State University finds that Douglas-fir trees in the Klamath Mountains are experiencing a 'decline spiral' due to multiple factors, including climate change and drought. The research developed a tool to assess tree risk and predict mortality events.
Researchers identified fluctuations in climate and ocean conditions as the main drivers of entanglement risk to whales in Dungeness crab fishing gear. The study provides new tools for managing fisheries while minimizing impact on whale populations.
Research suggests that wildfires need to fall within a narrow severity range to improve forest health. The study found that moderate severity fires are most effective at reducing community and ecosystem risk, but even these may not be enough to restore species composition. Land managers can use the predicted post-fire conditions to inf...
A new study by Oregon State University researchers found that people recently released from prison in Oregon are at a higher risk of opioid overdose, with a rate of 1,086 per 100,000 person years, exceeding the general public rate by 10 times.
Researchers at Oregon State University have developed a dual-purpose catalyst that can both purify herbicide-tainted water and produce hydrogen. The catalyst, derived from metal-organic frameworks, shows promise in tackling global water pollution and provides a sustainable alternative to conventional hydrogen production methods.
Researchers aim to capture CO2 from industrial emissions and store it in mineralized form in 3D-printed building materials. The project seeks to significantly reduce the carbon footprint of cement-based construction materials.
Researchers found strong seasonality in blue whales' foraging and breeding behavior, with changes in vocalizations based on environmental conditions like marine heatwaves. The study's findings can inform conservation management of this endangered blue whale population.
A new study found that sea stars, such as the sunflower sea star, play a crucial role in protecting kelp forests by preying on kelp-eating urchins. The research suggests that these sea stars can consume urchins at rates sufficient to maintain and perhaps reset the health of kelp forests.
Bowhead whales are shifting their migration patterns due to declining sea ice in the Arctic, affecting their long-term health and impact on Indigenous communities. The lack of ice is causing changes in bowhead availability for hunters, leading to competition for resources and increased human interaction.
Researchers developed a machine learning model using high-resolution satellite imagery to estimate aboveground carbon stocks in the Amazon. The study found that accounting for uncertainties in forest degradation classification led to lower estimates of mean carbon density, suggesting earlier estimates may have been over-optimistic.
Researchers at Oregon State University have identified 27 amplifying feedback loops that significantly increase warming due to greenhouse gas emissions. The study calls for transformative changes in energy, transportation, food production, and international economy to meet climate challenges.
Research collaboration reveals moisture is key to soil's carbon storage capacity, not temperature or mineral content. The study suggests that climate change may impact soil carbon and threaten ecosystem services.
Researchers found two distinct climate intervals where sea ice and ice-free summer conditions likely supported early human migration along the Pacific coastal route. These conditions, occurring from 22,000 to 24,500 years ago and again from 14,800 to 16,400 years ago, may have facilitated movement by providing a more traversable surfac...
A team of Oregon State University researchers found that widespread tree scorch in the Pacific Northwest during the 2021 heat dome was primarily caused by direct exposure to solar radiation and extreme heat. The study challenges previous hypotheses that linked the damage to drought conditions.
A new study from Oregon State University found that both cotton and synthetic microfibers have negative impacts on the behavior and growth of aquatic organisms. The research, published in Frontiers in Marine Science, suggests that increasing awareness and control over fiber release can help mitigate these effects.
Researchers at Oregon State University found a relationship between surface gravity waves and infragravity waves that fuel sneaker waves. Longer waves with more energy can run further up the beach, but not all long waves turn into sneaker waves.
Research led by Christina Aiello shows that GPS tracking data and computer simulations can predict animal movements, helping optimize habitat connectivity enhancement projects. The study identified eight populations of bighorn sheep where barrier removal would increase accessible habitat.
A study by Oregon State University researchers found that synchronized fishing with dolphins in Brazil increases the number of fish caught and supports both species' survival. The cooperative relationship is specific to this population of dolphins and has been passed down through generations of fishermen.