{"version":1,"type":"rich","provider_name":"Libsyn","provider_url":"https:\/\/www.libsyn.com","height":90,"width":600,"title":"11: Voronoi school districts, rhubarb pie, blankets","description":"On this week's episode: do school district boundaries follow the lines suggested by a Voronoi diagram?&amp;nbsp;What are the origins of the&amp;nbsp;Prairie Home Companion song about rhubarb pie? Are some types of blankets warmer than others? &amp;nbsp; 0:42 - Voronoi school districts 3:09 - Rhubarb pie 7:06 - Shorts 7:40 - Blankets 9:33 - Sources 10:05 - Lev Theremin playing the theremin &amp;nbsp; Sources: supplementary images for &quot;Voronoi school districts,&quot; bit.ly\/liuschools1. School district boundaries, bit.ly\/liuschools2. Prairie Home Companion, prairiehome.org. A book about Lawrence Tibbett, bit.ly\/liulawrence. ","author_name":"Look It Up","author_url":"http:\/\/lookitup.libsyn.com\/podcast","html":"<iframe title=\"Libsyn Player\" style=\"border: none\" src=\"\/\/html5-player.libsyn.com\/embed\/episode\/id\/4969891\/height\/90\/theme\/custom\/thumbnail\/yes\/direction\/forward\/render-playlist\/no\/custom-color\/88AA3C\/\" height=\"90\" width=\"600\" scrolling=\"no\"  allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen><\/iframe>","thumbnail_url":"https:\/\/assets.libsyn.com\/secure\/item\/4969891"}