skeptical podcasts

This is something I've been following on and off for a while ever since Mark Crislip covered it in two episodes of QuackCast (Episodes 63 & 86, linked below), what is happening is that peddlers of Quack medicine are going to Africa and performing 'Clinical Trials' of whatever woo they happen to...

What are your favourite skeptical and atheist podcasts? Some of the ones I listen to (to keep from being bored at work) are: Skeptics with a K The Non-Prophets Cognitive Dissonance (If we're going to have a subforum for discussing subjects raised in podcasts, we should at least have one thread...