Ipad Podcast, where did they come from?

I am using Itunes 11.4 to synch both my Ipod and Ipad. These are suppose to be separate libraries correct? After a recent update to my Ipad I discovered a icon for podcasts, which when opened has a list of all my podcasts from my Ipod and more. They don't automatically synch but they still show up as available for download. I don't want any podcasts on my Ipad. One got downloaded accidentally and now I can't get rid of it. Any idea what is going on here?



Thanks

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