Why? The folks listening together in Second Life are generally more science-literate than average, so the discussion going on in chat (text) makes the whole exp

Why? The folks listening together in Second Life are generally more science-literate than average, so the discussion going on in chat (text) makes the whole experience very engaging. It's something like the chat room associated with Leo Laporte's TWiT network. It's fun, and as a bonus, Science Friday gets feedback and many good questions.