I listen to these quite frequently and I want something new to check out, do any of you have any recommendations? They have to be downloadable.
Here are a few of my favourites
Radio Lab -
http://www.wnyc.org/shows/radiolab/
Philosophy Bites -
http://philosophybites.com/past_programmes.html
Partially Examined Life -
http://www.partiallyexaminedlife.com/
Out There Radio -
http://outthereradio.net/