Research
April 6, 2023
Washington state’s 2021 heat wave contributed to 159 excess injury deaths over three weeks
A record-breaking heat wave that baked Washington state in 2021 contributed to 159 excess injury deaths, according to research led by a UW professor.
Community-based prevention system linked to reduced handgun carrying among youth growing up in rural areas
A community-based, evidence-based intervention system developed at the University of Washington has been linked to reduced handgun carrying rates among youth growing up in rural areas.
April 5, 2023
UW’s Phil Levin to direct first-ever US National Nature Assessment
Phil Levin, professor of practice in environmental and forest sciences at the University of Washington and lead scientist at The Nature Conservancy in Washington, has been appointed to direct the first-ever U.S. National Nature Assessment. The 3-year assessment will take an interdisciplinary approach to better understand the role of nature in the lives of people across the country, and how those benefits might be altered under climate change.
March 24, 2023
Team detects first neutrinos made by particle collider
An international team of scientists has for the first time detected neutrinos created by a particle collider. The discovery — announced March 19 by the Forward Search Experiment, or FASER collaboration — promises to deepen scientists’ understanding of the nature of neutrinos, which are the most abundant particle in the cosmos. FASER’s detector picked up neutrinos generated by the Large Hadron Collider, which is based at CERN in Geneva, Switzerland.
March 17, 2023
UW study investigates how ‘vaccine shopping’ impacts rollout during pandemic
New research from Leela Nageswaran, assistant professor of operations management in the University of Washington Foster School of Business, considers whether individuals should be able to select their vaccine type.
March 10, 2023
Northern and southern resident orcas hunt differently, which may help explain the decline of southern orcas
In the Pacific Northwest and British Columbia, southern resident orcas have experienced no net population growth since the 1970s, with just 73 left at the most recent count. But northern resident orcas, which have a similar diet, territory and social structure, have grown steadily, now numbering more than 300. A new study led by scientists at the University of Washington and NOAA Fisheries may help explain why: The two populations differ in how they hunt for salmon, their primary and preferred food source, a key difference that conservationists will have to take into account when designing interventions to help southern residents.
February 27, 2023
Human-wildlife conflicts rising worldwide with climate change
Research led by scientists at the University of Washington’s Center for Ecosystem Sentinels reveals that a warming world is increasing human-wildlife conflicts globally. They show that climate shifts can drive conflicts by altering animal habitats, the timing of events, wildlife behaviors and resource availability. It also showed that people are changing their behaviors and locations in response to climate change in ways that increase conflicts.
February 21, 2023
Newly discovered form of salty ice could exist on surface of extraterrestrial moons
Scientists suspect that the red streaks crossing the surface of Jupiter’s moon Europa is a frozen mixture of water and salts, but its chemical signature matches no known substance on Earth. Now researchers have discovered a new type of solid crystal that forms when water and table salt combine in cold, pressurized conditions. Researchers believe the new substance created in a lab on Earth could form at the surface and bottom of these worlds’ deep oceans.
February 8, 2023
Prosocial CEOs increase company value, stakeholder satisfaction
New research from Weili Ge, professor of accounting at the University of Washington Foster School of Business, found that CEOs who engage in prosocial behavior — activities that primarily help others — are more likely to make decisions that benefit people and increase company value.
Q&A: UW researcher discusses future of quantum research
Scientists at the University of Washington are pursuing multiple quantum research projects spanning from creating materials with never-before-seen physical properties to studying the “quantum bits” — or qubits (pronounced “kyu-bits”) — that make quantum computing possible. UW News sat down with Professor Kai-Mei Fu, one of the leaders in quantum research on campus, to talk about the potential of quantum R&D, and why it’s so important.
February 3, 2023
Ice cores show even dormant volcanoes leak abundant sulfur into the atmosphere
Non-erupting volcanoes leak a surprisingly high amount of sulfur-containing gases. A Greenland ice core shows that volcanoes quietly release at least three times as much sulfur into the Arctic atmosphere than estimated by current climate models. Aerosols are the most uncertain aspect of current climate models, so better estimates could improve the accuracy of long-term projections.
January 23, 2023
Q&A: How AI can help people be more empathetic about mental health
A team led by researchers at the University of Washington studied how artificial intelligence could help people on the platform TalkLife, where people give each other mental health support. The researchers developed an AI system that suggested changes to participants’ responses to make them more empathetic. The best responses resulted from a collaboration between AI and people.
January 18, 2023
The importance of the atmosphere and ocean in determining the fate of Antarctica
New research finds that ice-sheet-wide collapse in West Antarctica isn’t necessarily inevitable. The pace of ice loss varies according to regional differences in atmosphere and ocean circulation.
January 12, 2023
How did the Butterfly Nebula get its wings? It’s complicated
Something is amiss in the Butterfly Nebula. When a team led by astronomers at the University of Washington compared two exposures of this planetary nebula that had been taken by the Hubble Space Telescope in 2009 and 2020, they saw dramatic changes in the material within its “wings.” As the team will report on Jan. 12 at the 241st meeting of the American Astronomical Society in Seattle, powerful winds are apparently driving complex alterations of material within the Butterfly Nebula, behavior not seen in planetary nebulae to date. The researchers want to understand how such activity is possible from what should be a “sputtering, largely moribund star with no remaining fuel.”
January 11, 2023
Old and new stars paint very different pictures of the Triangulum galaxy
On Jan. 11 at the 241st meeting of the American Astronomical Society in Seattle, a team led by scientists at the University of Washington and the Center for Computational Astrophysics reported something unexpected about the distinct populations of stars that make up the Triangulum galaxy: In this satellite galaxy, a close companion of the much larger Andromeda galaxy, old and new stars occur in separate parts of the galaxy’s structure, something not seen in galaxies like our own and so far not reporter for other satellite galaxies.
January 10, 2023
The seven-year photobomb: Distant star’s dimming was likely a ‘dusty’ companion getting in the way, astronomers say
University of Washington astronomers were on the lookout for “stars behaving strangely” when an automated alert from pointed them to Gaia17bpp, a star that had gradually brightened over a 2 1/2-year period. But follow-up analyses indicated that Gaia17bpp wasn’t changing. Instead, the star is likely part of a rare type of binary system. Its apparent brightening was the end of a years-long eclipse by an unusual, “dusty” stellar companion.
Plastic pollution in the oceans is an equity issue, says UW-led report
A recent report and upcoming virtual event looks at the unequal effect of marine plastics on different communities. The international report led by UW’s Yoshitaka Ota covers topics ranging from the COVID-19 pandemic’s impact on plastic pollution to a critique of Coca-Cola’s waste initiative.
January 9, 2023
Climate ‘presses’ and ‘pulses’ impact Magellanic penguins — a marine predator — with guidance for conservationists
Climate change will reshape ecosystems through two types of events: short-term, extreme events — or “pulses” — and long-term changes, or “presses.” Understanding the effects of presses and pulses is essential as conservationists and policymakers try to preserve ecosystems and safeguard biodiversity. Researchers at the University of Washington have discovered how different presses and pulses impacted Magellanic penguins — a migratory marine predator — over nearly four decades and found that, though individual presses and pulses impacted penguins in a variety of ways, both were equally important for the future survival of the penguin population. They also found that these types of climate changes, taken together, are leading to an overall population decline at their historically largest breeding site.
Warming oceans have decimated marine parasites — but that’s not a good thing
Save the … parasites? Analyzing 140 years of parasite abundance in fish shows dramatic declines, especially in parasites that rely on three or more host species. The decline is linked to warming ocean temperatures. Parasitic species might be in real danger, researchers warn — and that means not just fewer worms, but losses for the entire ecosystem.
December 12, 2022
Signals from the ionosphere could improve tsunami forecasts
An underwater volcanic eruption in January 2022 created ripple effects throughout the world’s atmosphere and oceans. University of Washington scientists analyzed that event to show how GPS signals could help monitor future volcanoes and tsunamis.
Trouble falling asleep at night? Chase that daytime light, study shows
A study measuring the sleep patterns of students at the University of Washington found that students fell asleep later in the evening and woke up later in the morning during winter, when daylight hours on the UW’s Seattle campus are limited and the skies are notoriously overcast. Researchers believe the students’ natural circadian clocks were being “pushed back” or delayed in winter because they were not getting enough exposure during the day to natural light, and that getting more daytime light exposure can help reverse this.
December 8, 2022
UW brings field geology to students with ‘Virtual Field Geology’
UW’s Virtual Field Geology project has many goals: to make geology field experiences accessible to more people; to document geological field sites that may be at risk from erosion or development; to offer virtual “dry run” experiences; and to allow scientific collaborators to do virtual visits to a field site together. While the pandemic brought new urgency to the project, its developers believe it’s part of a “new normal” for geology research and education.
NASA’s James Webb Space Telescope shows how several stars ‘stirred up’ the Southern Ring Nebula
In a study published Dec. 8 in Nature Astronomy, an international research team, led by Orsola De Marco of Macquarie University in Sydney, Australia, analyzed 10 highly detailed exposures taken by the JWST of the Southern Ring Nebula. Their calculations show the central star that ejected the expanding nebula gas was originally three times the mass of the sun, and that unseen companions shaped the nebula’s intricate features.
December 5, 2022
New blood test can detect ‘toxic’ protein years before Alzheimer’s symptoms emerge, study shows
Researchers at the University of Washington have detected “toxic” small aggregates of a particular protein in the blood of individuals with Alzheimer’s disease, as well as in individuals who showed no signs of cognitive impairment at the time the blood sample was taken, but who developed it at a later date. This blood test picks up oligomers — or small, misfolded aggregates — of the amyloid beta protein, which scientists believe triggers the development of Alzheimer’s.
November 29, 2022
Strongest Arctic cyclone on record led to surprising loss of sea ice
The strongest Arctic cyclone ever observed struck in January 2022. A new analysis led by the University of Washington shows that while forecasts accurately predicted the massive storm, models seriously underestimated its impact on sea ice. Results suggest how forecast models for a changing Arctic Ocean could improve.
November 16, 2022
More US adults carrying loaded handguns daily, study finds
New research led by the University of Washington finds that the number of U.S. adult handgun owners carrying a loaded handgun on their person doubled from 2015 to 2019, and that a larger proportion of handgun owners carried handguns in states with less restrictive carrying regulations.
November 4, 2022
Two College of the Environment faculty recognized by American Geophysical Union
Two UW College of the Environment professors, Ginger Armbrust and Dennis Hartmann, will be honored at the 2022 American Geophysical Union Fall Meeting in December.
November 2, 2022
Study reveals how ancient fish colonized the deep sea
A new University of Washington-led study reports that throughout Earth’s ancient history, there were several periods of time when many fish actually favored the cold, dark, barren waters of the deep sea instead of shallow ocean waters that are warm and full of resources.
Infants less likely to contract COVID, develop severe symptoms than household caregivers
In one of the first studies to explore how COVID-19 specifically affects older infants, researchers from the University of Washington and at institutions at four other locations in the Western and Southern U.S. found that the number of infected people in a household was the factor most closely linked with the infant’s likelihood of being infected.
Permanent daylight saving time would reduce deer-vehicle collisions, study shows
University of Washington researchers found that adopting permanent daylight saving time in the United States would reduce deer-vehicle collisions and likely prevent an estimated 36,550 deer deaths, 33 human deaths, 2,054 human injuries and $1.19 billion in costs each year. Deer-vehicle collisions would decrease under permanent DST because skies would be brighter later into the evening.
October 31, 2022
How low-cost earbuds can make newborn hearing screening accessible
A team led by researchers at the University of Washington has created a new hearing screening system that uses a smartphone and earbuds.
October 26, 2022
New study shows how voting methods affect group decision-making
Michael Johnson, professor of management in the University of Washington Foster School of Business, found in a new study that groups that used “multivoting” in unofficial votes were 50% more likely to identify the correct option than those that used plurality or ranked-choice voting.
October 21, 2022
UW’s Dianne Xiao receives Packard Fellowship for research on new materials for sustainable chemical synthesis
Dianne Xiao, a University of Washington assistant professor of chemistry, has been awarded a 2022 Packard Fellowship for Science and Engineering for her research on creating new materials to make chemical reactions that are compatible with renewable energy sources and raw materials.
October 19, 2022
These factors have the biggest impact on influencer marketing effectiveness
New research from the University of Washington professor Robert Palmatier examines how factors related to social media influencers, their posts and their followers impact marketing success. The study concluded that reallocating spending based on the study’s insights could result in a 16.6% increase in engagement.
October 17, 2022
Isotope data strengthens suspicions of ivory stockpile theft
A study led by Thure Cerling, a professor at the University of Utah, and co-authored by Sam Wasser, a University of Washington professor of biology, used carbon isotope science to show that tusks from a guarded government stockpile in Burundi have somehow made their way into the hands of illegal ivory traders.
October 13, 2022
Animals in national parks impacted by even just a few people
A new University of Washington-led study has found that even in remote, rarely visited national parks, the presence of even just a few humans impacts the activity of wildlife that live there. Nearly any level of human activity in a protected area like a national park can alter the behavior of animals there.
October 12, 2022
Endangered fruit-eating animals play an outsized role in a tropical forest — losing them could have dire consequences
A new study by researchers at the University of Washington shows that losing a particular group of endangered animals — those that eat fruit and help disperse the seeds of trees and other plants — could severely disrupt seed-dispersal networks in the Atlantic Forest, a shrinking stretch of tropical forest and critical biodiversity hotspot on the coast of Brazil.
October 10, 2022
Engineering lecture series focuses on health care for the brain
The University of Washington’s annual Engineering Lecture Series will feature research with potential to transform brain therapeutics from infancy to late adulthood.
October 3, 2022
Study suggests La Niña winters could keep on coming
Forecasters are predicting a “three-peat La Niña” this year. This will be the third winter in a row that the Pacific Ocean has been in a La Niña cycle, something that’s happened only twice before in records going back to 1950. A new study of temperature patterns in the tropical Pacific Ocean suggests that climate change is, in the short term, favoring La Niñas.
September 28, 2022
UW expert on tropical storms discusses Hurricane Ian
Shuyi Chen, a UW professor of atmospheric sciences, was traveling to a conference in Boston as Hurricane Ian approached the Gulf of Mexico. During breaks at the conference, she provided her thoughts on the closely watched catastrophic storm system that made landfall in Florida on Sept. 28. Q: What are your thoughts on Hurricane Ian?…
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