There's a pretty cool podcast running going by the name 'The naked scientists'.
* http://www.thenakedscientists.com/


You can subscribe to their feed over their itunes podcast channel or via an android app.
* https://itunes.apple.com/us/podcast/naked-scientists-podcast-stripping/id74171648?mt=2
* https://play.google.com/store/apps/details?id=com.thenakedscientists.app

They also run other podcasts on genetitcs, astronomy, neuroscience and space:
* http://www.thenakedscientists.com/HTML/podcasts/

I discovered them via the Stitcher radio which has awesome all round shows:
* https://play.google.com/store/apps/details?id=com.stitcher.app