Podcasts that I like are mostly science related
Many good science podcasts can be found here:
http://www.sciencepodcasters.org/
A couple I enjoy, although TWIP should not to be discussed at the dinner table 
This Week in Parasitism
Brain Science Podcast
RH Reality Cast, feminist podcast, makes me glad that I live in Canada
http://www.rhrealitycheck.org/blog/realitycast
Computer security:
Books I listen to tend to be the mystery/police fiction best seller authors like
Kathy Reichs
Lee Child
John Sanford
John Grisham
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