Answers to life's big questions don't come cheap, but they very often come free, or at least we feel they should. Which answers you find compelling among your available options is up to you.

27-year-old artist Lana Newstrom says she is the first artist in the world to create invisible "art." In this documentary we traveled to her empty studio to learn more about Lana and her unusual artistic process.

A historically minded primer on the often-intangible medium that, in the hands of artists from Duchamp to Lawrence Weiner, helped transform art as we knew it in throughout the 20th century