Want to hear more on a subject? Do you learn best by listening or want to hear more ideas on a topic? Try a podcast. Here are some Podcast sites that are of scholarly interest. Don't see the one(s) you think are best? Let me know which ones you like!
Remember to evaluate these podcasts just as you should evaluate journal articles, books, and web sites. Who wrote them? Who stands behind their accuracy? Are they up to date? Do they seem biased? Do they tell you where they find any 'facts' they discuss and where they came from? Can you verify what they say?