You don’t have to have an iPhone to listen to podcasts. You don’t even need an iPod.

All you need is a way to download them (I use iTunes of course), and a way to listen.

Here are the ones I listen to regularly and recommend. Please note that the links here are directly to RSS feeds, if you click on them, it may not do as you expect. The best thing to do here if you wish to subscribe is to right click on the podcasts below, choose to “Copy URL”, then open your podcast app (say, iTunes) and find the option to subscribe to a feed and paste the URL there.