Department of Biology
June 29, 2017
Study shows high pregnancy failure in southern resident killer whales; links to nutritional stress and low salmon abundance
A multi-year survey of the nutritional, physiological and reproductive health of endangered southern resident killer whales suggests that up to two-thirds of pregnancies failed in this population from 2007 to 2014. The study links this orca population’s low reproductive success to stress brought on by low or variable abundance of their most nutrient-rich prey, Chinook salmon.
June 6, 2017
Hiding in plain sight: new species of flying squirrel discovered
A new study published May 30 in the Journal of Mammalogy describes a newly discovered third species of flying squirrel in North America — now known as Humboldt’s flying squirrel, or Glaucomys oregonensis. It inhabits the Pacific Coast region of North America, from southern British Columbia to the mountains of southern California.
March 14, 2017
In times of plenty, penguin parents keep feeding their grown offspring
A research team led by University of Washington biology professor Dee Boersma reports that fully grown Galapagos penguins who have fledged — or left the nest — continue to beg their parents for food. And sometimes, probably when the bounty of the sea is plentiful, parents oblige and feed their adult offspring.
February 16, 2017
Immune cell serves as an essential communications link for migrating cells
Scientists at the University of Washington have discovered that a common type of cell in the vertebrate immune system plays a unique role in communication between other cells. It turns out that these cells, called macrophages, can transmit messages between non-immune cells.
January 30, 2017
Artists in the lab: Talk will highlight a creative partnership between art and science
Jennifer Nemhauser leads a research laboratory of scientists, all immersed in the complex world of plant hormones. But last year, the University of Washington professor of biology boosted her lab’s roster with some unexpected talent. Claire Cowie — an artist, UW alumna and lecturer — spent three months in 2016 as a part-time artist-in-residence in Nemhauser’s lab….
January 24, 2017
Prized fossil find — the oldest, most complete iguanian in the Americas — illuminates the lives of lizards in the Age of Dinosaurs
Paleontologists picking through a bounty of fossils from Montana have discovered something unexpected — a new species of lizard from the late dinosaur era, whose closest relatives roamed in faraway Asia.
Predator or not? Invasive snails hide even when they don’t know
The specific cues that trigger an animal’s natural defense vary depending on the species and its history in the ecosystem, a new University of Washington study finds.
January 17, 2017
When it comes to mating, fruit flies can make rational choices
In a paper published Jan. 17 in the journal Nature Communications, researchers report that fruit flies — perhaps the most widely studied insect in history — show signs of rational decision-making when choosing a mate.
December 20, 2016
Researchers model how ‘publication bias’ does — and doesn’t — affect the ‘canonization’ of facts in science
In an article published Dec. 20 in the journal eLife, researchers present a mathematical model that explores whether “publication bias” — the tendency of journals to publish mostly positive experimental results — influences how scientists canonize facts. Their results offer a warning that sharing positive results comes with the risk that a false claim could be canonized as fact. But their findings also offer hope by suggesting that simple changes to publication practices can minimize the risk of false canonization.
December 8, 2016
New study traces the marsupial origins in N. America, finds mammals during Age of Dinosaurs packed a powerful bite
A new study by paleontologists at the Burke Museum of Natural History & Culture and the University of Washington describes an early marsupial relative called Didelphodon vorax that lived alongside dinosaurs and had, pound-for-pound, the strongest bite force of any mammal ever recorded.
Frequently asked questions: odontoma in a gorgonopsian
Answers to frequently asked questions about a 255-year-old tumor in a ‘pre-mammal.’
Fossilized evidence of a tumor in a 255-million-year-old mammal forerunner
University of Washington paleontologists have discovered a benign tumor made up of miniature, tooth-like structures embedded in the jaw of an extinct ‘mammal-like’ gorgonopsian. Known as a compound odontoma, this type of tumor is common to mammals today. But this animal lived 255 million years ago, before mammals even existed.
November 28, 2016
Our closest worm kin regrow body parts, raising hopes of regeneration in humans
A new study of one of our closest invertebrate relatives, the acorn worm, reveals that regenerating body parts might one day be possible.
November 16, 2016
Large forest die-offs can have effects that ricochet to distant ecosystems
Major forest die-offs due to drought, heat and beetle infestations or deforestation could have consequences far beyond the local landscape. Wiping out an entire forest can have significant effects on global climate patterns and alter vegetation on the other side of the world.
November 8, 2016
Clues in poached ivory yield ages and locations of origin
More than 90 percent of ivory in large, seized shipments came from elephants that died less than three years before, according to a new study from a team of scientists at the University of Utah, the University of Washington and partner institutions. They combined a new approach to radiocarbon dating of ivory samples with genetic analysis tools developed by UW biology professor Sam Wasser.
November 2, 2016
Tricking moths into revealing the computational underpinnings of sensory integration
A research team led by University of Washington biology professor Tom Daniel has teased out how hawkmoths integrate signals from two sensory systems: vision and touch.
October 12, 2016
In new book, UW’s Estella Leopold revisits childhood at the family shack, described in Aldo Leopold’s best-seller ‘A Sand County Almanac’
Estella Leopold, a University of Washington professor emeritus of biology, has written a new memoir of her formative years, “Stories from the Leopold Shack: Sand County Revisited.” She describes life on the land where her father, Aldo Leopold, practiced the revolutionary conservation philosophy described in his famous book of essays “A Sand County Almanac.”
September 27, 2016
Researchers modify yeast to show how plants respond to a key hormone
Researchers at the University of Washington have developed a novel toolkit based on modified yeast cells to tease out how plant genes and proteins respond to auxin, the most ubiquitous plant hormone. Their system, described in a paper published Sept. 19 in the Proceedings of the National Academy of Sciences, allowed them to decode auxin’s basic effects on the diverse family of genes that plants utilize to detect and interpret auxin-driven messages.
September 23, 2016
How natural selection acted on one penguin species over the past quarter century
University of Washington biologist Dee Boersma and her colleagues combed through 28 years’ worth of data on Magellanic penguins to search for signs that natural selection — one of the main drivers of evolution — may be acting on certain penguin traits. As they report in a paper published Sept. 21 in The Auk: Ornithological Advances, selection is indeed at work on the penguins at the Punta Tombo breeding site in Argentina.
September 22, 2016
5 UW professors among HHMI’s inaugural class of Faculty Scholars
Amid a decline in funding for scientific research, the Howard Hughes Medical Institute is partnering with the Bill & Melinda Gates Foundation and the Simons Foundation to launch a new Faculty Scholars program. Announced Sept. 22 by HHMI, the inaugural crop of early-career scientists includes 5 faculty members from the University of Washington.
September 19, 2016
Award for genetic tracking to rein in pangolin poaching
A team of conservationists at the University of Washington is among the Grand Prize Winners of the Wildlife Crime Tech Challenge for a proposal to identify poaching hotspots for pangolins, one of the most trafficked group of mammals in the world.
August 29, 2016
Plants’ future water use affects long-term drought estimates
Many popular long-term drought estimates ignore the fact that plants will be less thirsty as carbon dioxide goes up. Plants’ lower water use could roughly halve some current estimates for the extent of future drought, especially in central Africa and temperate Asia.
August 18, 2016
Follow your nose: UW’s young corpse flower relocates to Volunteer Park Conservatory for fetid first bloom
Visitors to Seattle’s Volunteer Park Conservatory are in for a stinking treat, courtesy of the Department of Biology at the University of Washington. The conservatory has taken in a young corpse lily, affectionately known as Dougsley, which is set to blossom this week or next.
Paleontologists with the UW’s Burke Museum discover major T. rex fossil
Paleontologists with the Burke Museum of Natural History and Culture and the UW have discovered a Tyrannosaurus rex, including a very complete skull. The find, which paleontologists estimate to be about 20 percent of the animal, includes vertebrae, ribs, hips and lower jaw bones.
August 15, 2016
UW research backs up ongoing efforts to protect the enigmatic Nautilus
University of Washington biologist Peter Ward’s body of research has helped policymakers recognize the impact nautiluses have on ocean ecosystems, as well as how they can — and cannot — replenish their numbers in the face of unrestricted, unregulated fishing. At a CITES meeting in September, Ward and his team hope nautiluses will get much-needed protections from trade and harvesting.
July 6, 2016
Acid attack — can mussels hang on for much longer?
Scientists from the University of Washington have found evidence that ocean acidification caused by carbon emissions can prevent mussels attaching themselves to rocks and other substrates, making them easy targets for predators and threatening the mussel farming industry.
May 11, 2016
Skull specializations allow bats to feast on their fellow vertebrates
Over their 52-million-year history, a few bats have evolved a taste for their fellow vertebrates. Now biologists at the University of Washington and the Burke Museum of History and Culture are shedding light on how these so-called “carnivorous bats” adapted to the daunting task of chowing down their backboned prey.
April 6, 2016
Marine preserve to help penguins in a ‘predictably unpredictable’ place
New regulations by the government of Ecuador to protect the waters around the Galapagos Islands as a marine preserve, including main feeding areas for Galapagos penguins.
February 23, 2016
Four UW scientists awarded Sloan Fellowships for early-career research
Four faculty members at the University of Washington have been awarded early-career fellowships from the Alfred P. Sloan Foundation. The new Sloan Fellows, announced Feb. 23, include Bingni Brunton, assistant professor of biology; Christopher Laumann, assistant professor of physics; Matthew McQuinn, assistant professor of astronomy; and Emina Torlak, assistant professor of computer science and engineering….
February 8, 2016
UW biology professor is a finalist for top conservation prize
P. Dee Boersma, a University of Washington professor of biology and Wadsworth Endowed Chair in Conservation Science, is one of six finalists for the prestigious Indianapolis Prize for conservation. Boersma is the first UW faculty member nominated for this prize — the highest honor for animal conservationists — which has been awarded every other year since 2006.
December 15, 2015
UW conservationists celebrate new protected areas for Argentine penguins
On Dec. 3, the legislature for Argentina’s Chubut province established a new marine protected area off Punta Tombo, which would help preserve the feeding grounds for about 500,000 Magellanic penguins that make their home along this rocky stretch of Argentine coast. This is welcome news for the UW scientists who have studied these penguins for decades and advocated for their conservation.
December 10, 2015
Trees either hunker down or press on in a drying and warming western U.S. climate
Two University of Washington researchers have uncovered details of the radically divergent strategies that two common tree species employ to cope with drought in southwestern Colorado. As they report in a new paper in the journal Global Change Biology, one tree species shuts down production and conserves water, while the other alters its physiology to continue growing and using water.
November 19, 2015
Sequencing algae’s genome may aid biofuel production
University of Washington scientists have sequenced the complete genetic makeup of a species of ecologically important algae, which may aid in biofuel production.
September 14, 2015
A more acidic ocean will bend the mermaid’s wineglass
New research from the University of Washington’s Friday Harbor Laboratories shows that a more acidic ocean can weaken the protective shell of a delicate alga. The findings, published Sept. 9 in the journal Biology Letters, come at a time when global climate change may increase ocean acidification.
September 10, 2015
UW scientists will continue studies of evolution ‘in real time’ with five-year grant renewal
Faculty members from several departments at the University of Washington will share $2.25 million in research funds from the National Science Foundation to study and apply the principles of evolution “in real time.” Their studies are a part of the BEACON Center for the Study of Evolution in Action. Founded in 2010, this NSF science…
September 4, 2015
Grant will help Native American undergraduates attend first scientific meeting
Two professors from the University of Washington and Oklahoma State University have been awarded a grant from the National Science Foundation to bring six Native American undergraduate students to their first scientific meeting. The students will attend the Jan. 2016 annual meeting of the Society for Integrative and Comparative Biology in Portland, Oregon. Known commonly…
August 25, 2015
Rare nautilus sighted for the first time in three decades
In early August, biologist Peter Ward returned from the South Pacific with news that he encountered an old friend, one he hadn’t seen in over three decades. The University of Washington professor had seen what he considers one of the world’s rarest animals, a remote encounter that may become even more infrequent if illegal fishing…
August 13, 2015
‘Scarface,’ an ancient cousin to mammals, unearthed in Africa
A team of scientists has identified a new species of “pre-mammal” based on fossils unearthed in Zambia’s Luangwa Basin in 2009. The ancient, Dachshund-sized creature lived some 255 million years ago, in a time just before the largest mass extinction in Earth’s history. Its discoverers include Christian Sidor, professor of biology at the University of…
July 16, 2015
UW researchers show that the mosquito smells, before it sees, a bloody feast
A team of biologists from the University of Washington and the California Institute of Technology has cracked the cues mosquitoes use to find us.
July 8, 2015
UW’s Conservation magazine snares top writing honors
The UW-based Conservation magazine has won a gold award in a national competition sponsored by the Council for Advancement and Support of Education, or CASE. Conservation shares this top honor with a magazine from Stanford Medicine. The award recognizes magazines produced by universities or colleges for special external constituencies, including publications affiliated with individual colleges…
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