Looking at the story of the conjoined twins who have been successfully separated. You can read about the circle of Willis and Christopher Wren here and some of the stuff about how we use our own bodies to read out the movements of others on a thing I did atNova as part of a sequence on mirror neurons. There’s been an interesting show about the historical portrayal of conjoined twins. Finally there’s a lot out there about music and culture and here’s good starting point about children.