A new study of lake sediment cores from Sanak Island in the western Gulf of Alaska suggests that deglaciation occurred 1,500-2,000 years earlier than previously thought. This finding opens the door for re-evaluating coastal migration models for the Americas.
Researchers found that children of neglectful parents spent an additional 30 minutes per week on screens, leading to increased sedentary behavior. Parents who actively played with their kids had the most impact in promoting active play.
Researchers at Oregon State University have linked carcinogens to cancer stem cells and found that spinach can reduce the incidence of colon tumors by almost half.
Researchers at Oregon State University used data from underwater hydrophones and seismic analysis to detect an abrupt spike in energy about 2.6 hours before the eruption, suggesting a new method for predicting undersea volcanic activity. The study also revealed insights into the link between magma intrusion and seafloor deformation.
A new compound has been discovered that can significantly reduce heat absorption on building roofs and walls, making it a promising candidate for 'cool roofing' applications. The material has an infrared heat reflectivity of around 40%, outperforming most blue pigments currently used.
Researchers studied butterfly life cycles in central Spain's mountain range to understand climate change impacts. Some species that emerge later or fly higher may struggle, while others with longer reproductive windows are more resilient.
Researchers at Oregon State University have developed an AI-powered system to monitor bird sounds, identifying species and changes in habitat loss or climate change. The technology uses a multi-instance machine learning approach, allowing for efficient ecological monitoring, and can be applied to other forest noises and animal species.
Scientists outline how humans use nose and tongue to recognize food flavors, suggesting a way to teach people to like vegetables. The study reveals the brain integrates taste and smell sensations into a single flavor perception, potentially leading to improved diets.
Scientists at Oregon State University have discovered that curcumin can increase levels of a protein that helps prevent infection, highlighting its potential as an alternative to vitamin D. The study found curcumin causes a modest but measurable increase in cathelicidin antimicrobial peptide (CAMP) levels.
Scientists have developed a method to analyze noisy X-ray data, revealing details of molecular structure previously discarded due to low signal quality. This breakthrough could lead to more accurate models and improved understanding in biology, medical diagnostics, nanotechnology and other fields.
Researchers found that dual-occupation professionals change their moral judgments based on their expected role, often without realizing it. The study suggests that subtle cues and training can help employees make more informed ethical decisions.
A new study by Oregon State University researchers reveals six major volcanic eruptions in Sumatra over the past 35,000 years, with explosive intensity comparable to Mount St. Helens' 1980 eruption. The findings highlight a potentially deadly natural phenomenon threatening residents of the region.
A new analysis of streams in the western US found that stream temperatures are not necessarily warming at the same rate as air temperatures despite general climate trends. Long-term monitoring sites with minimal human impact show cooler-than-expected maximum, mean, and minimum temperatures.
A new study found that each step of the marine food chain is controlled by the trophic level below it, with prey distribution playing a crucial role. The research reveals that the spatial pattern of resources, or patchiness, is more important than the overall abundance of food.
Fossil discovery reveals ancient flea-like animals that could feed on dinosaur skin, leading to a painful bite experience. The creatures, similar to modern fleas but much larger, had flat bodies and long claws.
A new analysis raises concerns that large-scale bioenergy production from forest biomass is unsustainable and will increase greenhouse gas emissions. The study highlights potential ecological and economic drawbacks, including depleted soil nutrients, loss of biodiversity, and higher costs for bioenergy.
A new study found that women's knees are more susceptible to injury due to differences in motion and nervous system processing. Women tend to have knee motions that make them more prone to ACL injuries, whereas men's knees process nerve impulses similar to explosive muscle usage.
Research by Oregon State University scientists has found a definitive link between ocean acidification and oyster larval failure, with elevated CO2 levels inhibiting shell development and growth. The study's findings have significant implications for the $100 million annual commercial oyster production industry on the West Coast.
A national study reveals women are less likely to get at least 30 minutes of exercise per day, increasing their risk of developing metabolic syndrome. The study found that women got only about 18 minutes of moderate-to-vigorous exercise daily, compared to men who averaged 30 minutes.
Research conducted by Oregon State University reveals that the loss of predators in the Northern Hemisphere has led to an increase in populations of moose, deer, and other large herbivores. This surge in population density is crippling young tree growth and reducing biodiversity, contributing to deforestation and reduced carbon sequest...
A study of 35 headwater basins in the US and Canada found that warmer temperatures do not always lead to decreased streamflow rates. In fact, water flow decreases only at sites with winter snow and ice, while warmer and drier ecosystems show less impact.
Researchers developed a 'fragility index' to measure likelihood of global stock market losses by identifying periods with high risk exposures across multiple countries. The index shows an increasing probability of a global draw-down when systemic risk is high, resulting in more extreme stock movements.
Researchers reconstruct global surface temperatures and find that average temperature correlated with rising CO2 levels, indicating the greenhouse effect played a key role in ending the last Ice Age. The study provides evidence that CO2 caused much of the global warming, contrasting previous efforts that only examined local temperatures.
A task force report strongly recommends implementing conservative catch limits for 'forage fish' like sardines and anchovies. These small species are crucial prey for larger species, including salmon, cod, tuna, dolphins, whales, penguins, and seabirds.
Researchers at Oregon State University are exploring the role of viruses, particularly herpes, in coral decline. A comprehensive analysis of coral genomes reveals that herpes viruses constitute a majority of the viruses found in corals.
New research identifies the 'dilemma zone' before a stoplight intersection where drivers are unsure whether to stop or go ahead. The study proposes using advanced technology and fuzzy logic to improve yellow-light timing and reduce driver confusion.
A team of scientists from Oregon State University has documented for the first time that animals can consume Archaea, a type of single-celled microorganism. This finding adds a wrinkle to scientific understanding of greenhouse gas cycles and opens up new avenues of research into the roles of Archaea in ecosystems.
Researchers at Oregon State University have developed nanotube-based sensors that can perform lab tests in minutes, speeding diagnosis and treatment while reducing costs. The technology has almost tripled the speed of prototype nano-biosensors and holds potential for applications in medicine, toxicology, and environmental monitoring.
A genetic survey of Antarctic blue whales found a surprisingly high level of diversity among the surviving population, which may help them slowly rebound from catastrophic decimation. The study tracked individual movements and revealed some whales traveled over 6,650 kilometers in four years.
A study by Oregon State University researcher Melinda Manore found that no single supplement results in significant weight loss, while many have detrimental health benefits. She emphasizes the importance of exercise and a balanced diet, such as eating whole grains, fruits, vegetables, and lean meats.
Researchers at Oregon State University have discovered two epigenetic mechanisms by which sulforaphane prevents cancer: HDAC inhibition and DNA methylation. These mechanisms work together to maintain proper cell function and prevent cancer.
Scientists at Oregon State University have discovered a process where salty soils in the McMurdo Dry Valleys in Antarctica can absorb moisture from the air. This phenomenon has implications for the potential for life on Mars, as similar conditions are present on the Red Planet.
Researchers at Oregon State University have developed a low-cost material that can achieve negative refraction of light and other radiation. The discovery has significant implications for various applications, including super lenses, energy harvesting, and stealth coatings.
Researchers found that over-reactive parents are more likely to have toddlers who act out and become upset easily. Adoptive parents' tendency to over-react had a significant effect on their children's negative emotionality and problem behavior.
A new study by Oregon State University found that half of young adult Latino men and women acknowledge not using regular effective contraception despite expressing a desire to avoid pregnancy. Involvement in sexual decision-making is crucial for contraception use, with those who are more active tend to use male condoms.
Researchers at Oregon State University say ocean microbes are shifting in response to warming oceans, but the impact on carbon sequestration and global warming is uncertain. Microbial communities play a crucial role in pumping carbon out of the atmosphere, with nearly half of photosynthesis attributed to plankton.
A study found that boosting male garter snake estrogen levels causes them to secrete the same pheromones as females, attracting multiple males. The research confirms estrogen's powerful role in biology and has implications for environmental impact.
Scientists have discovered a 20-million-year-old fossil of a bat fly, which has been entombed in amber and preserved its details. The find reveals that bat flies have been parasitizing bats for at least half as long as the mammal group has existed.
Researchers have developed a wearable device that monitors vital signs such as heart rate and respiration while tracking activity levels, providing continuous data for improved medical care. The technology has the potential to revolutionize patient care by reducing office visits and improving treatment outcomes.
Viewers consider advertising more favorable after watching a close, exciting game, according to a study by Oregon State University. The level of suspense in both the game and ad was found to be the most important factor in increasing positive responses towards the ad and brand.
Research suggests that learning-based tourism is gaining popularity, with travelers seeking intellectually engaging experiences and lifelong learning opportunities. The study highlights the potential for tourism to become more centered on personal fulfillment and knowledge acquisition.
A new study reveals that predation on juvenile Steller sea lions is significantly underestimated and may be preventing the population from recovering. The study suggests that predators, such as orcas, are targeting more juveniles as populations decline, leading to a 'productivity pit' where breeding females are reduced.
A recent study published in Food and Chemical Toxicology found that chlorophyll can protect against cancer when exposed to moderate levels of carcinogens, reducing liver and stomach tumors by 29-64% and 24-45%, respectively. However, high doses of chlorophyll increased tumor growth, questioning traditional lab research methods.
Research at Oregon State University found that disrupting circadian rhythms causes accelerated neurodegeneration, loss of motor function, and premature death. Disrupted clock mechanisms predispose the brain to neurodegeneration, which may cause more damage to the clock function.
Researchers at Oregon State University have detected a thermal 'uplift' signal in satellite imagery from the Lop Nor nuclear testing site in China. The change occurred four years after the tests and corresponds to known surface locations above past tests, providing a potential new tool for analyzing the strength of detonation.
A study of 20 elementary schools in Hawaii found that a focused character-building program improved overall education quality, as evaluated by teachers, parents and students. The program resulted in lower suspensions, absenteeism and better reading and math scores on standardized tests.
Research found that elderly individuals with high levels of vitamins B, C, D, E, and healthy oils from fish performed better on mental acuity tests and had less brain shrinkage. Conversely, those consuming 'junk food' diets showed decreased cognitive performance.
A new report reveals that the reintroduction of wolves to Yellowstone National Park has led to a profound rebirth of life and ecosystem health. Trees and shrubs are beginning to recover along some streams, providing improved habitat for beaver and fish. Birds and bears also have more food available due to the decrease in elk populations.
A new study published in Frontiers in Ecology and the Environment found that forest thinning to prevent or reduce severe wildfires releases more carbon into the atmosphere than saved by successful fire prevention. The research analyzed the effect of fuel treatments on wildfire and carbon stocks in several scenarios, concluding that eve...
Researchers found that hatcheries rapidly select for fish with exceptional survival and adaptation abilities, at the cost of their reproductive success in the wild. This study confirms 'domestication selection' as a primary driver of genetic changes in hatchery-born salmon.