approximately how masses hours of lectures downloaded from archived radio shows would a 2 GB iPod hold?

Each urge on The Naked Scientists, a wonderful science site in England, is around two hours long. I believe each show uses going on for 47 MB.

approximately how masses hours of lectures downloaded from archived radio shows would a 2 GB iPod hold?

that would depend on the quality of the soundtrack.



But taking your guess that each is around 47MB, you're looking at around 42 podcast episodes if you used the entire 2GB.