Alice Roberts: ‘Atheism is defining yourself by an absence. Humanism is a positive choice’

By Harriet Sherwood Prof. Alice Roberts, the broadcaster, scientist and author, has been filming this week for the third series of Channel 4’s Britain’s Most Historic Towns, after a five-month gap. “The last time we were out, back in March, people were pulling the shutters down around us. We felt very nervous. I drove home …