Maps: From Quill to Computer / Mountain Gophers / Japanese Silk Weaving The Nature of Things : Season 24 Episode 11

Maps: From Quill to Computer: The history of mapmaking, from early clay tablets to state-of-the-art renditions. Mountain Gophers: a look at the Columbian ground squirrel found in the area of the Rocky Mountains, their mating and territorial habits and methods of communication with each other. Japanese Silk Weaving: A look at the production of silk, from cocoon to fabric.