Tickets for the 2016 festival weekend at the Barbican are now available at early-bird rates. See our tickets page for more information.
The Battle of Ideas 2015 festival weekend was a great success, with more debates, speakers and attendees than ever before. You can keep up to date with our latest audio and video from the 2015 festival, and be the first to know the latest news about the 2016 festival, by signing up to our newsletter.
If you would like to help us with the Battle of Ideas as a volunteer, check out our volunteering page.
Images from Battle of Ideas 2015.
Thanks to James Berry, Paul Brocklehurst, Lameya Chaudhury and Tom Fenn for the pictures.
Tweets by @instofideas
Cyber Warfare: The Modern Cold War?, Peter Armstrong
Eugenics and the Ethics of Selective Reproduction, Stephen Wilkinson and Eve Garrard
Controlling the Commons: How Public Is Public Space?, Jeremy Németh
Asia’s Economic Miracle Has Peaked, William T. Wilson
How can you be sure someone wants to have sex with you?, Nosheen Iqbal
Gap-year do-gooding won't save the world, Jim Butcher and Pete Smith
NHS: The Perfect Storm, Panorama
Blame the Crowd, Not the Camera, Nina Simon