This week's in studio guest is a regular at our live events and joins Robin and guest co-host Helen Czerski to chat about his new book, The Crowd and the Cosmos. Prof Chris Lintott is probably best known as the co-host of The Sky and Night and he chats with us about the Zooniverse Project, why we probably won't find aliens, citizen science and what he's been reading lately. Also Helen lets us know her badminton coach would be a good scientist. Support the podcast and get extended episodes by pledging at patreon.com/bookshambles