A team of scientists found that carbon and other star-formed atoms don't just drift through space, but are pushed out by giant currents into intergalactic space. These atoms can eventually be pulled back in to form new stars, planets, and moons.
Researchers at UW and PNNL studied atomic composition of enamel samples from two human teeth, one 22-year-old and one 56-year-old, to understand how enamel changes with age. The study found higher levels of fluoride in the older tooth's shell regions, which could have implications for understanding tooth health as we age.
Researchers at the University of Washington developed a new method called variational preference learning, which predicts users' preferences and tailors its outputs accordingly. This approach overcomes the limitations of traditional RLHF, which can lead to averaging user preferences and resulting in incorrect outputs for all users.
A new study estimates that 4 million Alaska common murres died following the 'warm blob', a marine heat wave that impacted ocean productivity and food supply. The die-off had devastating effects on seabird populations, with colony sizes dropping by half in some areas.
Researchers at the University of Washington used a global climate model to simulate how ocean and air temperatures affect sea ice in the Southern Ocean. They found that warm Southern Ocean conditions and patterns in winds can explain 70% of the record-low winter sea ice extent in 2023, with similar predictions made for 2024.
Researchers discovered that hummingbird bills are surprisingly flexible and play an essential role in drawing up nectar. The bird's intricate bill movements, combined with its lapping mechanism and Poiseuille flow, make it a rare example of using both fluid collection methods.
A recent study led by the University of Washington found that higher long-term exposure to wildfire smoke is associated with a significant increase in the odds of developing dementia. The researchers analyzed health records of 1.2 million Southern California residents and found that exposure to wildfire PM2.5 increased the risk of deme...
A new study led by the University of Washington found that only about 7% of areas at highest risk for whale-ship collisions have any measures in place. The team identified high-risk regions, including coastal areas along the Mediterranean, Americas, southern Africa, and parts of Asia, where whales and ships are most likely to meet.
Experts discuss the potential of AI to enhance healthcare, including its use in diagnosing diseases and educating patients. However, concerns about the accuracy of chatbot responses and the need for verified sources highlight the perils of relying on AI in medicine.
Researchers discovered that seven out of eight AI models generated significant amounts of biased text in interactions, particularly when discussing caste. The study's findings suggest a pressing need for policy regulations to ensure these models are safe for everyone, especially in sensitive tasks like hiring.
Researchers developed BiomedParse, an AI medical image analysis model that works across nine types of medical images to predict systemic diseases. This enables non-specialists to analyze and identify subtle variations in medical images, leading to improved diagnosis.
A team of researchers analyzed historical marking data from the Discovery Marking Program to investigate Antarctic blue whale population structure. They found frequent mixing among ocean basins, indicating a single circumpolar population. This study provides valuable insights into the conservation of this endangered species.
Researchers at the University of Washington have developed a headphone prototype that can create 'sound bubbles' around the wearer, allowing them to focus on conversations without external noise. The system uses AI algorithms and machine learning to track sound sources and suppress distant noises.
Researchers developed a method that taps into social networks to generate a more representative sample, providing a more accurate estimate of the total unhoused population. The new approach aims to improve understanding of homelessness in America by capturing demographic data and needs.
Researchers found significant bias in AI-powered hiring systems, with LLMs favoring white-associated names 85% of the time, female-associated names only 11% of the time, and never Black male-associated names. The study highlights the need for intersectional analysis to ensure fairness in AI systems.
A University of Washington-led study suggests that rocky planets orbiting M-dwarf stars can maintain stable atmospheres over time, enhancing the chances of supporting life. The James Webb Space Telescope has observed hotter planets without significant atmospheres, but temperate planets in the 'Goldilocks zone' may have stable atmospheres.
Researchers developed MobiPrint, a mobile 3D printer that can measure and print objects onto the floor. The system can add accessibility features, such as tactile markers, and create custom objects like art pieces.
Researchers found lacerations, hair loss, and skin ulcerations affecting polar bears' feet, as well as other parts of their body. The study suggests climate warming is causing ice buildup and injuries due to freeze-thaw cycles, wet snow, and thin sea ice.
A new study from the University of Washington found that lower-income households decreased their purchases of sweetened beverages by nearly 50%, while higher-income households reduced purchases by 18%. The tax was implemented in four U.S. cities and resulted in a significant decline in consumption among lower-income households.
A study by UW researchers found a direct correlation between feeling 'wonder about the universe' and interest in astronomy. Populations with low light pollution reported higher levels of wonder, which led to increased interest in astronomy.
A team of researchers from the University of Washington has developed a flexible pipe with an interior helical structure inspired by shark intestines, which can keep fluid flowing in one direction without flaps. The design rivaled and exceeded Tesla valves, a one-way fluid flow device invented over a century ago.
Researchers analyzed DNA in fecal samples to determine the diet of Alaska and southern resident killer whales. They found that both populations prefer salmon, but differ in when they switch to hunting other fish species. The study provides key insights into the delicate balance between regional abundance of different fish species.
A new study provides a complete picture of the last Snowball Earth's end and suggests its connection to the emergence of complex lifeforms. The research focuses on ancient rocks known as cap carbonates, which preserve clues about Earth's atmosphere and oceans.
Underwater noise pollution from human activities significantly impacts the ability of orcas to hunt successfully in the Salish Sea. The study found that increased ambient noise levels, particularly around vessel propellers, interfere with echolocation behavior and hunting efforts. This hindrance affects females more than males, potenti...
Researchers at UW have created a flexible, durable electronic prototype that converts body heat into electricity, powering small electronics like batteries or sensors. The device is also resilient and can be used in various applications, including wearables and data centers.
A UW study found that COVID-19 lockdowns accelerated brain maturation in adolescents, particularly in females, leading to increased anxiety, depression, and internalizing problems. The study suggests that social isolation and lack of normal stress release channels may have exacerbated these effects.
Researchers at the University of Washington have uncovered surprising details about mosquito mating, revealing that males can visually lock on to female targets in a crowded swarm. The team's findings could lead to the development of new mosquito traps specific to malaria-carrying species.
Researchers found that large language models (LLMs) can improve systems that detect bots by outperforming state-of-the-art systems by 9%. However, LLMs can also reduce the performance of existing detectors by up to 30% when used to evade automated detection.
A recent study by University of Washington researchers found that warmer, drier springs account for almost 70% of the discrepancy between predicted and actual streamflow in Colorado. The team's findings suggest that plants rely more on snowmelt during dry springs, leaving less water to flow into nearby streams.
A new study published in the Astrophysical Journal has found that galaxies in denser environments are up to 25% larger than isolated galaxies. Researchers used a machine learning tool to analyze millions of galaxies and found a clear trend: galaxies with more neighbors are also on average larger.
A survey by researchers at the University of Washington found that creating and sharing synthetic media is widely considered unacceptable, but seeking out such content is less so. The study highlights the need to expand norms around consent and privacy in the face of emerging AI technologies.
Researchers have developed AI systems that use photos or videos to create simulations for training robots in real settings. The RialTo system generates highly accurate simulations of specific environments, while the URDFormer system creates generic simulations quickly and cheaply. These advancements aim to lower costs and increase acce...
A new study from the University of Washington suggests that cortical implants like Blindsight, developed by Neuralink, will not provide high-resolution vision. Instead, researchers found that a single electrode stimulates only one neuron, and image sharpness is determined by thousands of neurons in the brain.
Researchers found that iBuyers paid Black homeowners $4,376 on average, while paying white homeowners $27,239 less. The companies also favored institutions over individual buyers, with a greater increase in institutional ownership for white-owned homes.
A study published in Ecological Applications found that wolves' return to northeast Washington has had a limited impact on white-tailed deer populations. Habitat quality and cougar predation were the primary factors shaping deer populations, with wolf predation having a smaller effect.
Researchers found ChatGPT consistently ranks resumes with disability-related honors and credentials lower than the same resumes without those honors. However, when trained to prioritize disability justice and DEI principles, the system improved its rankings for most disabilities, except for autism and depression.
The study found that existing corn varieties are not ideal for future climates and that new crops with specific traits will be necessary. The research suggests that warmer temperatures, drier air, and increased CO2 will lead to decreased yields unless adaptations are made.
Researchers found that infants in English-learning environments were exposed to more spoken language than music, with the gap widening as they get older. The study used daylong audio recordings collected from home environments and crowdsourced annotations through Zooniverse, closing the gap on past studies that relied on parental reports.
Researchers found that AI tools require support from adults and peers for kids to integrate them meaningfully into their creative practices. The study highlights the need for tailored design approaches that account for children's unique needs and developmental stages.
A University of Washington team has developed an AI system called Target Speech Hearing that cancels all other sounds and plays the enrolled speaker's voice in real time. The system was tested on 21 subjects, who rated the clarity of the enrolled speaker's voice nearly twice as high as the unfiltered audio on average.
The COVID-19 pandemic accelerated technology adoption among older adults, who used it to maintain social relationships. Researchers found that these adults not only received but also provided emotional, financial, and physical support through technology.
Researchers propose expanding research on nature's scents and olfactory cues to better understand their impacts on human health. The study aims to investigate the complex links between smell, nature, and human well-being, including the potential for unconscious biochemical processes.
The University of Washington's STRIVE project aims to understand the troposphere and stratosphere, where the ozone layer resides, and their interface. This will help monitor changes in the ozone layer, air quality, and climate processes.
A new study from the University of Washington finds that Navy Growler jet noise in Whidbey Island exposes over 74,000 people to harmful levels of noise. The research reveals that repeated exposure to high-intensity and low-frequency noise can lead to stress hormone responses, hearing impairment, and sleep disturbance.
Researchers developed a virtual reality environment for teens to reduce stress and improve mood. The system showed promise in reducing stress levels without significant effects on anxiety and depression.
Researchers at the University of Washington have solved a long-standing chemical mystery in organic electrochemical transistors (OECTs), which allow current to flow in devices like implantable biosensors. The study reveals that OECTs turn on via a two-step process, causing a lag, and off through a simpler one-step process.
Researchers at the University of Washington developed a new PCB that performs on par with traditional materials and can be recycled repeatedly. The process uses a solvent to transform a type of vitrimer into a jelly-like substance, allowing solid components to be plucked out for reuse or recycling.
The study reveals that experienced programmers exhibit brain responses similar to those of fluent readers processing sentences, indicating a strong resemblance between learning computer and natural languages. The research suggests that understanding how people learn to code can be informed by expertise in second-language learning.
Researchers analyzed the last ice age to better understand the relationship between CO2 and global temperature. The study finds that the absolute worst-case scenario is unlikely, reducing the estimated warming from doubling CO2 by a full degree.
A University of Washington study found that anti-Christian bias claims can be used to signal allyship with white Christian Americans, perpetuating implicit racialization. White Christians perceive politicians concerned about anti-Christian bias as more willing to fight for white people and less offensive than those concerned about anti...