NPR - Radio Lab MP3's (24 Episodes)
Radio Lab is a Great radio show on NPR that explains things Like "How do Dolphins Sleep" (They Have to swim or they'll drown). This is One of My Favorite ways to feed my mind while I exercise. Each episode is about an hour long but there are a few that are only 1/2 hour or less.
This Torrent is 24 episodes including episodes focused on ....
Zoos
Space
Musical Language
Mortality
Where is Morality in the Brain
What is Stress
Why do we Sleep
Thr Wright Brothers
Laughter
Memory and Forgetting