As well as the debates taking place at this year's Battle of Ideas, the festival also offers other attractions to keep you stimulated intellectually throughout the day.
They know what we're thinking?
"I thought the Battle of Ideas was wonderful. Especially the extent and quality of audience participation. I can't imagine how I missed this exciting forum for exchange of ideas in the past. I will certainly not miss another one and look forward already to 2012 Battle of Ideas."
Professor Marilyn Monk, emeritus professor of molecular embryology, University College London