Videos

A 20-minute talk plus questions at the Centre for Independent Studies, Sydney, 16 June 2011

The collective brain -- el cerebro collectivo

Matt Ridley discusses some of the key themes in The Rational Optimist on "Making Sense" with Paul Solman

Acute, refreshing, and revelatory, The Rational Optimist will tip your way of thinking about the world for the better.

At TEDGlobal 2010, author Matt Ridley shows how, throughout history, the engine of human progress has been the meeting and mating of ideas to make new ideas. It's not important how clever individuals are, he says; what really matters is how smart the collective brain is.

Matt Ridley discusses The Rational Optimist on Reason.tv

Radio interview at WNYC in May 2010

The more progress we make, and the richer we get, the better off the planet will be.