Geology and beyond
Simply one of the best podcasts around. Even for none "rock lickers". For geologists its a great refresher on everything. for those just wanting to be engaged with something thought provoking, skip to the 23rd one. Though I'd recommend it all. The ones regarding the evolution of how we came to be are particularly insightful.
Sadly this is not what most geologists look like, but hopefully she got you to at least look around.
The full list is as follows, and believe he made some powerpoint/pdf's for some of them to follow along with as well: