A new study by University of Washington researchers found that fluoride varnish has modest anti-cavity effects in preschoolers, with a 12% decline in new cavities. The study calls for cost-effectiveness analyses to determine its value in dental services.
The KATRIN experiment has narrowed the estimated mass range of the elusive neutrino to 1 electron volt (eV), cutting it in half from a previous upper limit of 2 eV. This breakthrough allows scientists to answer fundamental questions about the universe's evolution and physics beyond the Standard Model.
A study by the University of Washington found that Americans value their commute time at $25 per hour when driving themselves, compared to $21 per hour for ride-hailing services. However, when driverless cars were considered, respondents preferred driving themselves due to increased perceived costs.
A collaborative project between the University of Washington and UCB will explore ways to enhance community pharmacist engagement in epilepsy care. The effort seeks to address fragmented healthcare services and medication adherence issues affecting the 3.4 million people living with epilepsy.
A study published in Estuarine, Coastal and Shelf Science found that high-tide water in Willapa Bay's tidal flats takes multiple tidal cycles to fully replace, leading to differences in oyster growth. This slower turnover affects the quality of oyster beds, with regions having 'old' water showing lower levels of nutrients.
Scientists have discovered a day-night rhythm in sulfonate metabolism, reflecting the activity of photosynthetic organisms in the open ocean. The study uses phytoplankton and ocean bacteria to track sulfur-based metabolism, providing insights into the global carbon cycle.
A study from the University of Washington found that people exposed to multiple languages can identify words in yet another language better than those who live in monolingual environments. This effect was observed even among those with limited proficiency in other languages, suggesting that ambient exposure plays a role in language lea...
A new map synthesizes data from over 250 archaeologists, showing that human activity altered the Earth's soil by 3,000 years ago. The study adds an archaeological perspective to historical land use models, challenging recent estimates of human behavior and environmental change.
A new study reveals that women of color perceive their interactions with healthcare providers as misleading, with information being 'packaged' to limit maternity care choices. The research highlights the impact of implicit bias and racism on birth outcomes, providing a potential mechanism for how these associations occur.
University of Washington researchers developed a prototype toolkit called ShareAR to build collaborative AR features without compromising user privacy and security. The team created 'ghost objects' to signal the physical location of private virtual content, addressing concerns around data breaches and harassment.
Researchers at the University of Washington have developed an algorithm that can monitor factory and warehouse workers' behavior in real-time, providing risk scores and suggestions for improving ergonomics. The app will alert workers to high-risk actions and provide feedback on how to modify their behaviors.
A recent study found that rural communities in the Northwest face significant health disparities and lack access to timely data. The SHARE-NW project is working to identify and visualize data to help address these issues and promote health equity.
A new study finds that long-term exposure to all major air pollutants increases the risk of emphysema by roughly the equivalent of smoking a pack of cigarettes a day for 29 years. Ground-level ozone levels are rising due to climate change, and the US study suggests that this increase may lead to an increased risk of chronic lung disease.
Astronomers have developed a model showing the James Webb Space Telescope can detect the atmospheres of all seven TRAPPIST-1 planets in just 10 transits or fewer, even with cloud cover. The telescope's Near-Infrared Spectrograph will help identify gas spectral fingerprints to determine atmosphere composition.
Researchers discovered that amino acids can stabilize membranes against magnesium ions, enabling the first cells to encode genetic information. The study suggests that amino acids and RNA building blocks co-localized in watery environments, providing a potential mechanism for life's emergence.
Researchers designed and tested an experimental system that uses a near-infrared laser to actively heat two gold nanorod antennae to different temperatures, defying thermal diffusion. The team measured temperature differences as high as 20 degrees Celsius by analyzing scattered photons from green light.
Scientists have extended the record of Arctic sea ice thickness variability from 40 years to 110 years by using historic observations from ships' logs. This provides more context for understanding rapid changes in the Arctic Ocean and helps predict its future.
A new University of Washington study finds that firearm retailers are willing to learn about suicide prevention and train their employees to spot warning signs. However, a lack of awareness and reluctance to discuss personal issues inhibit greater progress in suicide prevention.
A new study from the University of Washington explores how Pacific Ocean conditions contribute to prolonged droughts in the Southwestern US. Researchers found that El Niño events can lead to multi-year droughts if followed by a La Niña event, and that a complex interplay between ocean and atmospheric conditions is at play.
A UW study found that moving to a new home during the first three months of pregnancy increases the risk of low birthweight, premature birth, and smaller-than-expected babies. Despite limitations, the researchers suggest counseling patients on stress-mitigating techniques and care continuity may be beneficial.
A recent pilot study led by the University of Washington found that art-based mindfulness activities significantly reduced adolescent girls' headaches, with an average decrease of 4.63 headaches per two-week period. The students reported feeling better in the moment and improved ability to handle stress.
University of Washington researchers found that parents and teachers who received a bonding curriculum in elementary school reported better health and socioeconomic status as adults. The study, which followed participants since fifth-grade, showed enduring effects on physical health, mental well-being, and civic engagement.
An international team developed a framework for cities to quantify and incorporate nature's benefits on mental health, considering elements of nature, contact, interactions, and benefits. This tool aims to address environmental justice and health disparities in underserved communities.
A University of Washington study explores what motivates people to join and stick with citizen science projects like COASST. The analysis of survey responses from 310 new participants and 623 long-term contributors reveals that outdoor activities, a sense of place, and social interactions are key drivers of participation.
Scientists have discovered how mosquito brains integrate signals from their olfactory and visual systems to identify and track potential hosts for blood meals. Smelling carbon dioxide triggers changes in the brain that initiate a behavioral response, causing mosquitoes to scan their surroundings with their visual system.
Researchers discovered thriving bacterial communities in ancient, isolated brine samples from an Alaskan cryopeg. The findings provide insights into the potential for life on Mars and other planetary bodies.
A team created a method that allows three people to work together to solve a problem using only their minds. The BrainNet system uses electroencephalography caps and a brain-to-brain interface to transmit signals between participants, enabling them to collaborate on tasks like playing Tetris.
A new University of Washington study examines how racial stereotypes influence perceptions of LGBTQ individuals. The research found that gay Asian Americans were seen as significantly more American than their straight counterparts, with some studies suggesting this is due to a perceived 'American' identity tied to sexual orientation.
Researchers have documented surprising amounts of coral living in areas with less than 1% of the surface light, shedding light on deep-sea life and strategies for survival. The study found different corals use varying strategies to deal with low light levels, including changing pigments or symbionts.
Researchers developed a contactless cardiac arrest AI system using real 911 calls from Seattle. The algorithm detected agonal breathing 97% of the time from up to 20 feet away, and can function like an app on smart speakers or smartphones.
A new study published in Addiction journal found that cannabis use increased by 9% per quarter and shifted from the illicit market to the legal one since retail sales began in 2014. The research team analyzed wastewater samples from two treatment plants in Western Washington, estimating the size of the legal marketplace.
A recent study surveyed over 1,000 consumers who downloaded their raw genetic data from services like 23andMe or AncestryDNA. Most used third-party apps like Promethease or GEDmatch for both health interpretations and genealogical research.
A recent University of Washington study found that women and non-binary editors face harassment, doxxing, and death threats on Wikipedia. To create safe spaces, these individuals use sophisticated tactics for managing online identities and boundaries.
Computer scientists at the University of Washington have developed an algorithm, Photo Wake-Up, that can animate people from 2D photos. The system uses a combination of 3D template matching and texture pasting to create realistic animations in three dimensions using augmented reality tools.
A new study led by the University of Washington reveals that mysterious holes in Antarctic sea ice are caused by a combination of factors, including unusual ocean conditions and intense storms. The research sheds light on the role of these polynyas in global ocean currents and carbon cycles.
Early-life adversity impacts executive function skills, such as focusing and organizing tasks, and brain chemistry, affecting stress hormones like cortisol. This snowball effect contributes to social and emotional challenges throughout childhood.
Climate change is speeding up Alaska sockeye salmon's growth rate in freshwater, causing them to migrate to the ocean faster. However, this shift may not benefit the species long-term, as it takes an extra year at sea, where they face increased competition with hatchery-raised salmon.
University of Washington researchers create a novel solution to reduce impact forces using origami-inspired metamaterials. The team's design softens impact forces by promoting relaxation stresses in the chain, reducing stress on rocket legs during landing.
Researchers have discovered that specific areas within the Nushagak River watershed are critical for salmon production and growth, with favorable locations changing year to year due to climate conditions. The study highlights the importance of protecting or restoring the entire basin scale to maintain ecosystem function.
Researchers create molecular tethers to attach proteins to scaffolds, allowing for reversible functionalization while preserving activity. This approach enables precise control of protein signals, promoting tissue growth and differentiation.
Children describe technology that gives them a sense of ambiguity as 'creepy', relating to unpredictable threats or physical harm. The study identified five aspects contributing to this feeling: deception vs transparency, ominous physical appearance, lack of control, unpredictability and mimicry.
A new smartphone app has been developed to detect fluid buildup in the middle ear, a common cause of ear infections in children. The app uses machine learning to analyze sound waves and determine the likelihood of fluid presence, showing promise as a quick and non-invasive screening tool.
A national study led by University of Washington professor Alexes Harris reveals the disproportionate impact of court-imposed fines and fees on low-income individuals and people of color. The study highlights how private companies profit from a captive population while government agencies direct them.
A study by Clara Berridge found that surveillance cameras in nursing homes can record personal moments, compromising resident privacy and dignity. The survey also highlighted issues with consent and the security of camera feeds, highlighting the need for reform and increased funding for long-term care systems.
Researchers at the University of Washington developed a method to synthesize nanodiamonds with intentional doping, enabling useful traits for medical research, computation, and beyond. The team used high-pressure and temperature to dope nanodiamonds with silicon, argon, and other elements.
Researchers found that echolocation was a major driver of skull shape evolution in bats from 58-34 million years ago. Diet played a more dominant role in shaping skulls starting around 26 million years ago, but not uniformly across all bat species. The study provides new insights into the evolutionary forces behind bat diversity.
Scientists confirm Alaska lake seals, a distinct population from ocean-dwelling cousins, rely on freshwater food sources throughout their lives. The study provides critical baseline information for developing conservation strategies, particularly as the region faces proposed industrial developments and climate change.
Researchers found that microorganisms can use arsenic as an electron acceptor to extract energy from food, a strategy thought to be a holdover from Earth's early history. The discovery opens up new avenues for studying organisms that thrive in low-oxygen environments.
A new study analyzed fossil mammal communities and found that the rise of flowering plants, evolved teeth, and dinosaur extinction drove changes in mammalian diversity. Ecological richness was primarily driven by vegetation type, with modern mammals focusing on plant-based diets.
A study by University of Washington researchers identified common triggers for compulsive smartphone use, including waiting for a friend, tedious tasks, and social awkwardness. The team also found that users can find meaning in phone use through apps like meme generators and Kindle, which promote lasting connections to the real world.