Laughter, it turns out, is not primarily a response to humor. Neuroscientist Sophie Scott CBE shares why we laugh, how it works and the many sins it covers. 

We explore how laughter bonds us, where it breaks us, and the ways we use it. We should all bring a greater sense of understanding and intention to our laughter. Sophie Scott is a neuroscientist and professor at UCL whose research focuses on the science of laughter.