For this week's episode, special guest co-host Jessica Amos steps in for Brian while he's away.  Jessica's #coolsheets include her favorite movie of all time, her favorite blog, and a great lifestyle approach to cleaning. Karen talks about one of her favorite documentaries, an incredible woman who is one of the most brilliant mathematicians of our time, and "the rhizome". Find out about these #coolsheets and more by listening and following the links on coolsheets.cool.