Confucius said "Our greatest glory is not in never falling, but in rising every time we fall." Some people, however, are just better at getting back up when the most challenging life events knock them down. Today there is a growing body of research into mental resilience; where it comes from, why it matters and how it can be nurtured. Journalist Sian Williams explores the science of resilience; she meets Dr Michael Pluess from Queen Mary University of London who is testing for the resilience gene, and many others.