The line stretches down the block ahead of an event during the 2012 Seattle Science Festival. The 2013 festival runs from June 6 through June 16. Courtesy of Pacific Science Center hide caption

toggle caption Courtesy of Pacific Science Center

A young cannabis plant at grows at The Joint Cooperative in Seattle, Washington Jan. 27. Cliff DesPeaux/Reuters/Landov hide caption

toggle caption Cliff DesPeaux/Reuters/Landov

A abused-looking phone book in Seattle's Chinatown. Dryad & Sprite Photography/via Flickr hide caption

toggle caption Dryad & Sprite Photography/via Flickr

NPR thanks our sponsors

Become an NPR sponsor