Is ancient DNA research revealing new truths or falling into old traps? Robots, like people, use ‘imagination’ to learn concepts. Nicolas Carr reviews The Age of Surveillance Capitalism. Poons v. Koons: The art of ‘The Price of Everything’. Towards a general theory of neural networks. Emerging evidence suggests the brain encodes abstract knowledge in the same way that it represents positions in space. John Kay on the concept of the corporation. Millions of people around the world rely on water from retreating glaciers. A robot reveals how ancient reptile ancestor moved. Interview with philosopher Frederick Eberhardt about causality. And more.