UW News

biology


November 14, 2018

First tally of U.S.-Russia polar bears finds a healthy population

polar bears on rocky beach

The first assessment of polar bears that live in the biologically rich Chukchi Sea region that spans the U.S. and Russia, finds that the population is healthy and not yet suffering from declining sea ice.


November 8, 2018

Common allergen, ragweed, will shift northward under climate change

ragweed against blue sky

The first study of common ragweed’s future U.S. distribution finds the top allergen will expand its range northward as the climate warms, reaching new parts of upstate New York, Vermont, New Hampshire and Maine, while retreating from current hot spots.


June 18, 2018

Great white sharks dive deep into warm-water whirlpools in the Atlantic

tag on shark fin

Tracking of two great white sharks reveals for the first time that in the open ocean they spend more time deep inside warm-water eddies.


April 3, 2018

Bowhead whales, the ‘jazz musicians’ of the Arctic, sing many different songs

whale near floating ice

Bowhead whales are constantly changing their tune, unlike the only other whale species that sings, the humpback.


February 7, 2018

Fruit bat’s echolocation may work like sophisticated surveillance sonar

blue bat head shape

High-speed recordings of Egyptian fruit bats in flight show that instead of using a primitive form of echolocation, these animals actually use a technique recently developed by humans for surveillance and navigation.


December 5, 2017

Rooftop wiretap aims to learn what crows gossip about at dusk

crows above campus building

An interdisciplinary team is using a covert sound-based approach, worthy of an avian CSI, to study the link between crows’ calls and their behavior.


August 14, 2017

Probiotics help poplar trees clean up Superfund sites

trees in field

Researchers from the University of Washington and several small companies have conducted the first large-scale experiment on a Superfund site using poplar trees fortified with a probiotic — or natural microbe — to clean up groundwater contaminated with trichloroethylene, or TCE.


August 15, 2016

Luna moth’s long tail could confuse bat sonar through its twist

moth on finger

A detailed look at how sound waves bounce off a flying moth’s body offers new clues for how its long, twisted tail might help it evade predatory bats.