Mental Efficiencyby Arnold Bennett
Biodiversity and the Meaning of Human Existenceby Edward O. Wilson
The Feynman Lectures on Physicsby Richard P. Feynman
Great Speeches in History
A Conversation about Nutritionby Andrew Weil
Grammar Girl's Quick & Dirty Tips for Better Writing Podcastby Mignon Fogarty
TEDTalks Podcast
Intelligence Squared U.S. Podcast
The Tim Ferriss Show Podcastby Tim Ferriss
Feeling Good Podcastby David D. Burns
Astrophysics for People in a Hurryby Neil deGrasse Tyson
The New One Minute Managerby Ken Blanchard
You Can, You Willby Joel Osteen
Becomingby Michelle Obama
Influence: The Psychology of Persuasionby Robert Cialdini