I must say that the only string theory I knew about was to hang a string outside the window. If the string is sideways it's windy, if it's wet it's raining and if it is dry it's going to rain.
Having watched the program last night and tried to decipher the ins and outs of theoretical quantum physics, I've come to the conclusion I'm with the dog.
But still interesting, bring on the next episode!
IJ