Was the Space Shuttle fundamentally flawed? Richard Hollingham talks to Adam Higginbotham, author of a new book on the Space Shuttle to discuss the design, the dream, and the wishful thinking that led to the Challenger and Columbia disasters. Sue Nelson visits London's Design Museum to visit a new Barbie exhibition and talk "Space Barbie". Also, discussions on the future of the International Space Station, Star Trek: The documentary, and betting on smarties. Like this podcast? Please help us by supporting the Naked Scientists