There are some recent videos on String, M-theory, Branes, Multiverses with most of our favorite researchers (orig aired on UKTV)
Parallel Universes #1 (Michio Kaku - CUNY; Alan Guth - MIT; Burt Ovrut - UPenn)
Parallel Universes #2 (Paul Steinhardt Princeton; Guth, Kaku, Ovrut; Michael Duff -...