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A coyote in tall grass

Coyote density is 9 times higher in Seattle than in Washington鈥檚 wild lands

A new UW study shows a nine-fold increase in coyote density in Seattle compared to natural areas of Washington state. Coyotes in urban environments have fewer predators and more prey, which may help explain the national trend.

An illustration of a fishing hesperornithiform (an extinct bird similar to a loon) unexpectedly becoming an opportunistic meal for a hungry Nanotyrannus hunting along the banks of a shallow lake. In the background, a second Nanotyrannus startles a flock of birds while giving chase. In the foreground, two turtles prepare for a quick exit into the murky water.

Fossil feathers preserved inside dinosaur poop could help explain why some birds survived the dinosaur mass extinction

An illustration of the bacteria that causes chlamydia, which appears as pink blobs on a wavy surface.

UW, WA Department of Health show it鈥檚 possible to test wastewater for STIs

People stand on patches of sea ice interspersed with pools of water drawing a research mission to the Arctic in 2011.

Q&A: The Arctic melt season is now more than a month longer than it was in the 1980s, according to new UW research

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Video: Curiosity, frustration and antipathy: How kids play with AI toys

天美影视传媒 researchers gathered eight kids on campus to explore how they played with AI toys. The children initially were curious, asking introductory questions, such as 鈥淲hat is your name?鈥� But after communication breakdowns, the kids turned to antagonizing the toys, calling them 鈥渦gly鈥� and 鈥渆vil鈥� and joking about throwing them in the ocean.

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