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The celebrated cartoonist Lynda Barry has a deep theory of creativity that she's explored through books and popular workshops.  

You'd never think a book about chopping and burning wood would turn into a runaway bestseller, but Lars Mytting's "Norwegian Wood" is a publishing sensation in Scandinavia. Lars gathers the collected wisdom on everything from how to build a smokeless fire to the art of choosing a husband based on his wood pile.

Traditional knowledge can surface in the most unlikely places. Take La Crosse, Wisconsin, where many Hmong people settled after the Vietnam War. Master blacksmith Tong Khai Vang and his apprentice and translator Kong Mong Yang show us the art of turning hot metal into Hmong knives.

Botanist Robin Kimmerer describes her field experiments as like interviewing a plant. She believes nature is full of living beings - rocks and water as well as plants and animals. As both a Ph.D biologist and a member of the Potawatomi Naiton, she's trying to reconcile modern science with the wisdom of her Native elders.