On Start the Week Andrew Marr looks at the pace of life with the writer Robert Colvile who celebrates today's accelerating flow of change and argues that we are hard-wired to crave novelty, speed and convenience. But Carl Honoré challenges this cult of speed in his praise of slowness. The scientist Steve Jones looks back at another period of history where the pace of change was revolutionary impacting scientifically, socially and politically - the French Revolution. And the writer Sarah Dunant focuses on 16th century Italy at a time when ideas in politics, religion and art were gathering pace.