Strands run through the format of the festival weekend, allowing in depth examination of a subject. Select a strand below to find out more.
Risk, regulation and red tape
"I have been doing the Battle of Ideas for a couple of years, but never before have I felt so heartened and so alive as the day ended. The spectacle of so many fascinating minds, none too proud to agree, none too modern to disagree, all at work on the most important questions of this rocky period: it's enough to make you believe there's hope for the species, yet."
Zoe Williams, columnist, Guardian; author, What Not to Expect When You're Expecting