This week's Oxcast is full of festivals! Maddy's talking about Oxford's first vegan fest, Russell has ATOM Science and Tech fest happening in Abingdon while Katy chats to Tim Harford, author of 'Messy'and speaker at the Oxford Literary Festival, about the creative benefits of untidiness. Also, find out about what's on at the weekend, which shows to see this week and the best places to go to treat your mum on Sunday.