Images from Battle of Ideas 2015.
Thanks to James Berry, Paul Brocklehurst, Lameya Chaudhury and Tom Fenn for the pictures.
Tweets by @instofideas
Violent crime in England and Wales falls again, A&E data shows, Dominic Casciani
Today's Media Influences on Young Children, Mary Renck Jalongo
Veep creator Armando Iannucci tells BBC to stop interfering with programme makers, Christopher Williams
The public broadcaster without a public, Blair Spowart
Geek Culture Needs to Stop Patronizing Black People, Tonya Pennington
Yemen crisis: Who is fighting whom?, BBC News
One in seven treatments not necessary, warns NHS chief, Robert Mendick, and Laura Donnelly
Something Borrowed, Alec Wilkinson
The Transformation of MedellĂn Provides a Model for Cities Worldwide, Judith Rodin
How Much Public Space Does a City Need?, Greg Scruggs
Electronic cigarettes: Call it quits, Economist
Crisis, Opportunity and Climate Austerity in Drought-Stricken California, Kate Aronoff