I thought this might appeal to some people here. It's essentially a comedy 'lecture' about the rise of man. Covering evolution, anthropology and a fair bit of animal stuff.
I'm not generally a big fan of radio 4 comedy but this one is worth a look imho. It's in four parts. I'm afraid parts 1 and 2 have been and gone.
You can listen to part 3 here:
BBC Radio Player - Audio on Demand