Emotions are running high in this month's Space Boffins as Sue reports from Germany on Europe's cometary landing. And, following the SpaceShipTwo tragedy and Antares explosion, Sue and Richard discuss the dangers of trying to make spaceflight routine. With space insurer David Wade (who insured Antares) and space scientist Sheila Kanani, they also meet a man commanding a Mars base. Like this podcast? Please help us by supporting the Naked Scientists