UW News

Department of Biology


July 16, 2015

UW researchers show that the mosquito smells, before it sees, a bloody feast

A female mosquito feeding on a host.

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…


June 30, 2015

UW team programs solitary yeast cells to say ‘hello’ to one another

UW researchers have produced cell-to-cell communication in baker’s yeast — a first step in learning to build multicellular organisms or artificial organs from scratch.


June 29, 2015

Researchers discover how petunias know when to smell good

Image of the common garden petunia

A team of UW biologists has identified a key mechanism plants use to decide when to release their floral scents to attract pollinators.


June 19, 2015

Access to electricity is linked to reduced sleep

A Toba/Qom child sleeps.

New research comparing traditional hunter-gatherer living conditions to a more modern setting shows that access to artificial light and electricity has shortened the amount of sleep humans get each night.


June 18, 2015

Evidence from ivory DNA identifies two main elephant poaching hotspots

elephants socializing

University of Washington biologist Samuel Wasser uses DNA evidence to trace the origin of illegal ivory and help police an international trade that is decimating African elephant populations. New results show that over the past decade, ivory has largely come from just two areas in Africa.


June 17, 2015

Plants make big decisions with microscopic cellular competition

A picture of stomata.

A team of University of Washington researchers has identified a mechanism that some plant cells use to receive complex and contradictory messages from their neighbors.


June 11, 2015

How the hawkmoth sees, hovers and tracks flowers in the dark

A hawkmoth clings to a robotic flower used to study the insect’s ability to track the moving flower under low-light conditions.

What researchers have discovered about the hummingbird-sized hawkmoth could help the next generation of small flying robots operate efficiently under a broad range of lighting conditions. The research is published in the June 12 edition of Science.


June 4, 2015

Warmer, lower-oxygen oceans will shift marine habitats

shark in the water

Warming temperatures and decreasing levels of dissolved oxygen will act together to create metabolic stress for marine animals. Habitats will shift to places in the ocean where the oxygen supply can meet the animals’ increasing future needs.


May 4, 2015

Puget Sound’s clingfish could inspire better medical devices, whale tags

Northern clingfish.

Researchers at the University of Washington’s Friday Harbor Laboratories are looking at how the biomechanics of clingfish could be helpful in designing devices and instruments to be used in surgery and even to tag and track whales in the ocean.


April 15, 2015

3-D printed blossoms a growing tool for ecology

A hawk moth probes a flower with its proboscis.

3-D printing has been used to make everything from cars to medical implants. Now, University of Washington ecologists are using the technology to make artificial flowers, which they say could revolutionize our understanding of plant-pollinator interactions.


March 18, 2015

New Air Force center at UW learns from animals for better flight

Yonatan Munk, a postdoctoral researcher in biology, studies how moths fly.

A new center at the University of Washington funded by the U.S. Air Force will focus on how elements in nature can help solve challenging engineering and technological problems related to building small, remotely operated aircraft.


January 15, 2015

Tiny plant fossils a window into Earth’s landscape millions of years ago

An international team led by the University of Washington has discovered a way to determine the tree cover and density of trees, shrubs and bushes in locations over time based on clues in the cells of plant fossils preserved in rocks and soil.


November 6, 2014

Zebrafish stripped of stripes

Sideview of fish

Within weeks of publishing surprising new insights about how zebrafish get their stripes, University of Washington researchers now explain how to “erase” them.


October 3, 2014

Not stuff of musty museums: Enlist evolutionary biology against modern threats

Full-size models of elephant, leopard, rhino on display

Using evolutionary biology is one way to try to outwit evolution where it is happening too quickly and to perhaps find accommodations when evolution occurs too slowly.


September 23, 2014

Dying brain cells cue new brain cells to grow in songbird

Sparrow perches among tree branches

Using a songbird as a model, scientists have described a brain pathway that replaces cells that have been lost naturally and not because of injury.


August 6, 2014

Penguins at risk world over, scientists urge new strategies

Scientists writing in the current issue of Conservation Biology call for marine protected areas and partially protected areas to help penguins cope.


June 26, 2014

Foul fumes derail dinner for hungry moths

moth with flower and exhaust pipe

New research on how pollinators find flowers when background odors are strong shows that both natural plant odors and human sources of pollution can conceal the scent of sought-after flowers.


June 4, 2014

It’s not giant asparagus: Nine-foot agave showing off at botany greenhouse

People gather around pot with plant that has tall flower spike

Stop outside the botany greenhouse to see an agave plant that’s grown a 9-foot-plus flower spike and is about to bloom for the first time in 25 years.


May 21, 2014

Marine apprenticeships give UW undergrads role in animal-ancestor breakthrough

Three people on beach with buckets

Comb jellies – and not sponges – may lay claim as the earliest ancestors of animals, according to new research in Nature.


May 20, 2014

Shrub growth decreases as winter temps warm up

Campbell Island, New Zealand, hillside covered with the shrub Dracophyllum.

Many have assumed that warmer winters as a result of climate change would increase the growth of trees and shrubs because the growing season would be longer. But shrubs achieve less yearly growth when cold winter temperatures are interrupted by temperatures warm enough to trigger growth.


May 12, 2014

Improve grades, reduce failure – undergrads should tell profs ‘Don’t lecture me’

Man talks with two rows of students in class auditorium

A significantly greater number of students fail science, engineering and math courses that are taught lecture-style than fail with active learning according to the largest analysis ever of studies comparing lecturing to active learning in undergraduate education


May 7, 2014

UW student briefs lawmakers on global land use, touts undergrad research

Mollie Holmberg stands next to her poster

At an event in Washington, D.C. a UW biology student presented her research into the global connections between consumers and goods that come from agriculture and forest production.


April 29, 2014

Benjamin Hall, Eric D’Asaro elected to National Academy of Sciences

Benjamin Hall and Eric D’Asaro are among the 84 new members elected fellows the National Academy of Sciences.


April 10, 2014

Fruit flies, fighter jets use similar nimble tactics when under attack

Close up of fruit fly

Get on your 3-D glasses for one of the animations of tiny fruit flies employing banked turns to evade attacks just like fighter jets.


March 26, 2014

Decline of natural history troubling for science, society

Two people kneel by tide pool

Seventeen North American scientists outline the importance of natural science and call for a revitalization of the practice.


February 4, 2014

Fruit flies – fermented-fruit connoisseurs – are relentless party crashers

Flies on banans and grapes

That fruit fly appearing moments after you poured that first glass of cabernet, has just used a poppy-seed-sized brain to conduct a finely-choreographed search and arrive in time for happy hour.


January 29, 2014

Deaths attributed directly to climate change cast pall over penguins

Six penguin chicks stand under shrub

Climate change is killing penguin chicks from the world’s largest colony of Magellanic penguins, not just indirectly but directly because of drenching rainstorms and heat.


December 19, 2013

Sinuous skeletons, glowing blue and crimson, leap from lab to art world

Skeleton

Fish “stripped” to their skeletons and stained for UW research are now part of an art exhibit at the Seattle Aquarium.


September 19, 2013

Mantas, devil rays butchered for apothecary trade now identifiable

Side view of manata ray swimmming

Dried filters from the mouths of filter-feeding rays started appearing in apothecary shops in recent years, but there’s been no way to know which of these gentle-natured rays was being slaughtered. Now scientists have discovered enough differences to identify the giant manta and eight devil rays using the dried filters.


July 30, 2013

Fifty years of ecological insights earn UW biologist international award

Several many-legged starfish in water at base of kelp covered boulder

Biologist Robert Paine has been awarded this year’s International Cosmos Prize that carries a cash award of about $408,000 and has previously gone to well-known conservationists such as David Attenborough and the leaders behind the Census of Marine Life project.


July 9, 2013

Biceps bulge, calves curve, 50-year-old assumptions muscled aside

"We Can Do It!" poster for Westinghouse, closely associated with Rosie the Riveter.

The basics of how a muscle generates power remain the same: Filaments of myosin tugging on filaments of actin shorten, or contract, the muscle – but the power doesn’t just come from what’s happening straight up and down the length of the muscle, as has been assumed for 50 years. The rest of the force should be credited to the lattice work of filaments as it expands outward in bulging muscle – whether in a body builder’s buff biceps or the calves of a sinewy marathon runner.


June 21, 2013

Airborne gut action primes wild chili pepper seeds

Bird sits on brach had red chili pepper in beak

Seeds gobbled by birds and dispersed across the landscape tend to fare better than those that fall near parent plants. Now it turns out it might not just be the trip through the air that’s important, but also the inches-long trip through the bird.


May 7, 2013

Guggenheim names Braester, Daniel as fellows

statue of George Washington on UW campus

John Simon Guggenheim Memorial Foundation names 173 fellows for 2013.


April 29, 2013

Dinosaur predecessors gain ground in wake of world’s biggest biodiversity crisis — with photo gallery

Lizard-like animal with stripes stands in forested area

Newly discovered fossils reveal a lineage of animals thought to have led to dinosaurs taking hold in Tanzania and Zambia, many millions of years before dinosaur relatives were seen in the fossil record elsewhere on Earth.


April 17, 2013

A key to mass extinctions could boost food, biofuel production

A hydrogen sulfide-treated dwarf wheat seed next to an untreated seed.

A substance implicated in several mass extinctions could greatly enhance plant growth, with implications for global food supplies biofuels, new UW research shows.


April 2, 2013

Book focuses on 1969 fight to save America’s premier fossil beds

Five people gather around the base of a large petrified stump twice as tall as they are

Book Q and A: To allow buildings on 34 million year-old fossils would be like using the Dead Sea Scrolls to wrap fish in, proclaimed the lawyer defending land that would eventually become Florissant Fossil Beds National Monument.


March 4, 2013

‘True grit’ erodes assumptions about evolution

Large cliff of white ashy material surrounded by rock cliffs when two researchers working the face

New work in Argentina where scientists had previously thought Earth’s first grasslands emerged 38 million years ago, shows the area at the time covered with tropical forests rich with palms, bamboos and gingers. Grit and volcanic ash in those forests could have caused the evolution of teeth in horse-like animals that scientists mistakenly thought were adaptations in response to emerging grasslands.


February 19, 2013

Mutant champions save imperiled species from almost-certain extinction

Gloved had holds plate with dozes of tiny wells of reddish orange hue

Species facing widespread and rapid environmental changes can sometimes evolve quickly enough to dodge the extinction bullet. UW scientists consider the genetic underpinnings of such evolutionary rescue.


February 18, 2013

Mussels cramped by environmental factors

Drawing of wave with menancing face and startled mussels on shore

The fibrous threads helping mussels stay anchored are more prone to snap when ocean temperatures climb higher than normal.



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