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Science


February 23, 2021

Logging change in Puget Sound: Researchers use UW vessel logbooks to reconstruct historical groundfish populations

historical photo of the research vessel Commando

To understand how Puget Sound has changed, we first must understand how it used to be. But unlike most major estuaries in the U.S., long-term monitoring of Puget Sound fish populations did not exist until 1990. Now researchers have discovered an unconventional method to help fill in gaps in the data: old vessel logbooks.


February 19, 2021

‘Small moon’ shapes allow DNA devices to attach in precise orientations

A black image with a white circle in the center. The circle has a hole that is slightly off center.

A team of engineers, including one at the University of Washington, has developed a technique that allows for the precise placement of molecules formed from folded DNA in not only a specific location but also in a specific orientation


Vice Provost for Research Mary Lidstrom stepping down after 15 years

portrait of mary lidstrom

After more than 15 years serving as Vice Provost for Research, Mary Lidstrom will step down from her position on Aug. 31, 2021, with plans to return full time to the faculty, concentrate on her research, and establish mentoring and diversity, equity and inclusion programs.


February 18, 2021

Faculty/staff honors: Polymer Physics Prize, anthropology dissertation award

The Polymer Physics Prize from the American Physical Society and a dissertation award from the Society for American Archaeology.


February 17, 2021

Q&A: ShakeAlert earthquake early warning system arriving in Pacific Northwest

scientists in orange suits with mountains in distance

After years in development, an earthquake early warning system known as ShakeAlert is on the cusp of being released in Oregon and Washington. Harold Tobin, director of the Pacific Northwest Seismic Network, answers questions about the coming rollout.


February 10, 2021

Online tool displays Pacific Northwest mountain snow depth

colored lines sloping upward to Feb. 1

How’s the snow on Northwest mountains this year? Overall a little deeper than normal, but it depends where you look. A new collaboration between the University of Washington, the Northwest Avalanche Center lets you see how the current snow depth compares to past years for nine sites in Washington and two in Oregon.


List of 1,000 inspiring Black scientists includes seven from UW

collage of portraits

Seven University of Washington scientists are included in Cell Mentor’s list of 1,000 inspiring Black scientists, published in December 2020. Cell Mentor is a collaborative resource between Cell Press and Cell Signaling Technology.


February 9, 2021

Limiting warming to 2 C requires emissions reductions 80% above Paris Agreement targets

Even if all countries meet their Paris Agreement goals for reducing emissions, Earth has only a 5% chance of staying below 2 C warming this century, a previous study showed. But reductions about 80% more ambitious, or an average of 1.8% drop in emissions per year rather than 1% per year, would be enough to meet the Paris Agreement’s temperature goal.


February 8, 2021

UW physicist pens math-free tour of quantum mechanics and technology

Morales has authored a seven-part series for Ars Technica on quantum mechanics for a general audience. One article in the series is rolling out each week from Jan. 10 to Feb. 21. Morales sat down with UW News to talk about the series, quantum mechanics and what he hopes the public can learn about this seemingly odd and possibly intimidating realm of science.


February 4, 2021

Global warming found to be culprit for flood risk in Peruvian Andes, other glacial lakes

rooftops in front of glacier

Human-caused warming is responsible for increasing the risk of a glacial outburst flood from Peru’s Lake Palcacocha, threatening the city below. This study is the first to directly link climate change with the risk of flooding from glacial lakes, which are growing in number and size worldwide.


February 1, 2021

Marine organisms use previously undiscovered receptors to detect, respond to light

magnified cells of various shapes arranged in a mosaic

Single-celled organisms in the open ocean use a diverse array of genetic tools to detect sunlight, even in tiny amounts, and respond. The discovery of these new genetic “light switches” could also aid in the field of optogenetics, in which a cell’s function can be controlled with light exposure.


January 27, 2021

In Brazil, many smaller dams disrupt fish more than large hydropower projects

small dam in Brazil

A new University of Washington paper quantifies the tradeoffs between hydroelectric generation capacity and the impacts on river connectivity for thousands of current and projected future dams across Brazil. The findings confirm that small hydropower plants are far more responsible for river fragmentation than their larger counterparts due to their prevalence and distribution.


On nights before a full moon, people go to bed later and sleep less, study shows

picture of the moon

Sleep cycles in people oscillate during the 29.5-day lunar cycle: In the days leading up to a full moon, people go to sleep later in the evening and sleep for shorter periods of time. The team, led by researchers at the University of Washington, observed these variations in both the time of sleep onset and the duration of sleep in urban and rural settings — from Indigenous communities in northern Argentina to college students in Seattle, a city of more than 750,000. They saw the oscillations regardless of an individual’s access to electricity, though the variations are less pronounced in individuals living in urban environments.


Purported phosphine on Venus more likely to be ordinary sulfur dioxide, new study shows

An image of the planet Venus, showing its thick atmosphere.

A University of Washington-led team has revisited and comprehensively reinterpreted the radio telescope observations underlying a widely reported 2019 claim that phosphine gas was present in the atmosphere of Venus. In a paper accepted to the Astrophysical Journal, they report that sulfur dioxide, a common gas in the atmosphere of Venus, is likely what was detected instead of phosphine.


January 22, 2021

The 7 rocky planets orbiting TRAPPIST-1 may be made of similar stuff

An image showing three illustrations of potential interiors of the exoplanets in the TRAPPIST-1 star system.

A study accepted by the Planetary Science Journal shows that the planets of the TRAPPIST-1 system share similar densities. That could mean they all contain roughly the same ratio of materials thought to be common to rocky planets, such as iron, oxygen, magnesium and silicon — though they appear to differ notably from Earth.


January 18, 2021

Researchers use lasers and molecular tethers to create perfectly patterned platforms for tissue engineering

Image of a biological scaffold for tissue engineering that has had proteins tethered to it in a specific pattern, in this case the University of Washington's former logo

Researchers at the University of Washington have developed a technique to modify naturally occurring biological polymers with protein-based biochemical messages that affect cell behavior. Their approach, published the week of Jan. 18 in the Proceedings of the National Academy of Sciences, uses a near-infrared laser to trigger chemical adhesion of protein messages to a scaffold made from biological polymers such as collagen, a connective tissue found throughout our bodies.


January 14, 2021

Astronomers document the rise and fall of a rarely observed stellar dance

An image of stars in the night sky, showing a particularly bright binary at the center called HS Hydra.

Astronomers have catalogued 126 years of changes to a binary star system called HS Hydrae. Analyzing observations from astro-photographic plates in the late 1800s to TESS observations in 2019, they show that the two stars in HS Hydrae began to eclipse each other starting around a century ago, peaking in the 1960s. The degree of eclipsing then plummeted over the course of just a half century, and will cease around February 2021.


January 12, 2021

New treatment allows some people with spinal cord injury to regain hand and arm function

A hand picking up a tiny bead

Using physical therapy combined with a noninvasive method of stimulating nerve cells in the spinal cord, University of Washington researchers helped six Seattle area participants regain some hand and arm mobility.


January 11, 2021

More management measures lead to healthier fish populations

Fish populations tend to do better in places where rigorous fisheries management practices are used, and the more measures employed, the better for fish populations and food production, according to a new paper published Jan. 11 in Nature Sustainability.


December 23, 2020

Bait and switch: Mislabeled salmon, shrimp have biggest environmental toll

pink piece of salmon

A study co-authored by UW’s Sunny Jardine finds that farmed Atlantic salmon, often labeled and sold as Pacific salmon or rainbow trout, is the second-most-consumed mislabeled seafood product in the U.S. Although not the most frequently mislabeled seafood, salmon’s popularity means it has one of the biggest environmental impacts.


December 18, 2020

Coral recovery during a prolonged heatwave offers new hope

The pressing concerns of climate change have placed the long-term health of the world’s coral reefs in jeopardy. However, new research inspires hope as some corals managed to survive a recent and globally unprecedented heatwave.


December 15, 2020

A.I. model shows promise to generate faster, more accurate weather forecasts

globe split into gridded squares

A model based solely on the past 40 years of weather events uses 7,000 times less computer power than today’s weather forecasting tools. An A.I.-powered model could someday provide more accurate forecasts for rain, snow and other weather events.


December 9, 2020

Warm oceans helped first human migration from Asia to North America

colored map of North Pacific

New research reveals significant changes to the circulation of the North Pacific and its impact on the initial migration of humans from Asia to North America. It provides a new picture of the circulation and climate of the North Pacific at the end of the last ice age, with implications for early human migration.


December 8, 2020

NSF-funded deep ice core to be drilled at Hercules Dome, Antarctica

closeup of ice in metal barrel

Antarctica’s next deep ice core, a 1.5-mile core reaching back to 130,000-year-old ice, will be carried out by a multi-institutional U.S. team led by UW’s Eric Steig. The site hundreds of miles from today’s coastline could provide clues to the most recent collapse of the West Antarctic Ice Sheet.


December 7, 2020

Military flights biggest cause of noise pollution on Olympic Peninsula

path through a forested area

A new University of Washington study provides the first look at how much noise pollution is impacting the Olympic Peninsula. The paper found that aircraft were audible across a large swath of the peninsula at least 20% of weekday hours, or for about one hour during a six-hour period. About 88% of all audible aircraft in the pre-pandemic study were military planes.


December 3, 2020

Researchers discover how bean plants fend off famished foes

A photograph of a beet armyworm caterpillar crawling across the surface of a tobacco plant.

A team led by scientists at the University of Washington and the University of California, San Diego has discovered that cowpeas — a type of bean plant — harbor receptors on the surface of their cells that can detect a compound in caterpillar saliva and initiate anti-herbivore defenses.


Tire-related chemical is largely responsible for adult coho salmon deaths in urban streams

A team led by researchers at UW Tacoma, UW and Washington State University Puyallup has discovered a chemical that kills coho salmon in urban streams before the fish can spawn.


Leaving so soon? Unusual planetary nebula fades mere decades after it arrived

An image of the Stingray Nebula taken in 2016 by NASA's Hubble Space Telescope

The tiny Stingray Nebula unexpectedly appeared in the 1980s is by far the youngest planetary nebula in our sky. But a team of astronomers recently analyzed a more recent image of the nebula, taken in 2016 by Hubble, and found that it has faded significantly and changed shape over the course of just 20 years. If dimming continues at current rates, in 20 or 30 years the Stingray Nebula will be barely perceptible.


December 2, 2020

Scientists organize to tackle crisis of coral bleaching

bleached corals in the sea

At the current rate of global warming, mass coral bleaching is expected to become more frequent and severe worldwide. An international consortium of scientists, including a coral researcher from the University of Washington, has created the first-ever common framework for increasing comparability of research findings on coral bleaching.


November 24, 2020

Microbes help unlock phosphorus for plant growth

poplar trees along a river

A research team led by the University of Washington and Pacific Northwest National Laboratory has shown that microbes taken from trees growing beside pristine mountain-fed streams in Western Washington could make phosphorus trapped in soils more accessible to agricultural crops. The findings were published in October in the journal Frontiers in Plant Science.


Study shows plant extinction is more common than previously realized

A photograph of a museum specimen of a now-extinct plant species.

A new study reveals that 65 plant species have gone extinct in the continental United States and Canada since European settlement, more extinctions than any previous scientific study has ever documented.


Four UW faculty members named AAAS fellows for 2020

The American Association for the Advancement of Science has named four University of Washington faculty members as AAAS Fellows, according to a Nov. 24 announcement from the organization. The four are part of a cohort of 489 new fellows for 2020, which were chosen by their peers for “their scientifically or socially distinguished efforts to advance science or its applications.”


November 23, 2020

US seafood industry flounders due to COVID-19

fish being harvested

The global pandemic is hurting the seafood industry, and American fishmongers may flounder without more government aid, according to the largest study of COVID-19’s impacts on U.S. fisheries.


November 17, 2020

UW part of $5.8M contract to study wireless charging on moon

an image of the moon

A team of organizations — led by the space technology company Astrobotic and including the University of Washington and the UW spinout WiBotic — has received a $5.8 million contract to develop a line of lightweight, ultrafast wireless chargers that could help both humans and robots live and work on the moon.


November 5, 2020

New global archive logs changes in behavior of Arctic animals

moose in field

Scientists from around the world, including the University of Washington, have established the Arctic Animal Movement Archive, an online repository for data documenting the movements of animals in the Arctic and Subarctic. With this archive, scientists can share their knowledge and collaborate to ask questions about how animals are responding to a changing climate.


November 2, 2020

Break it up: Polymer derived from material in shrimp’s shells could deliver anti-cancer drugs to tumor sites

Mouse mammary cancer cells that are being treated with a nanoparticle that can deliver an anti-cancer drug into the cells.

A University of Washington team led by Miqin Zhang, a professor of materials science and engineering and of neurological surgery, has developed a nanoparticle-based drug delivery system that can ferry a potent anti-cancer drug through the bloodstream safely. Their nanoparticle is derived from chitin, a natural and organic polymer that, among other things, makes up the outer shells of shrimp.


Flying through wildfire smoke plumes could improve smoke forecasts

propeller with smoke plume in background

The biggest study yet of West Coast wildfire plumes shows how a smoke plume’s chemistry changes over time. Results suggest current models may not accurately predict the air quality downwind of a wildfire.


No social distancing in the Cretaceous: New study finds earliest evidence for mammal social behavior

An illustration of ancient mammals in an underground burrow.

A new study led by paleontologists at the University of Washington indicates that the earliest evidence of mammal social behavior goes back to the Age of Dinosaurs. A multituberculate that lived 75.5 million years ago, Filikomys primaevus engaged in multi-generational, group-nesting and burrowing behavior, and possibly lived in colonies.


October 29, 2020

UW Space Policy and Research Center brings researchers, policymakers together for online symposium Nov. 6

A preview of the Nov. 6 SPARC Symposium, which will feature a conversation with Andy Weir, author of “The Martian.”


UW awarded $23.5M to build floating robots as part of NSF project to monitor the world’s oceans

two people drop instrument in water

The University of Washington is among leading U.S. oceanographic institutions that have received National Science Foundation funding to build and deploy 500 robotic ocean-monitoring floats to monitor the chemistry and biology of the world’s oceans.



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