Hey, how do you fancy sending your name on a mission to Mars, and getting a certificate to prove it? No, seriously – just go sign up and, while spaces remain, your name will be added to a list that will be included on a DVD and carried to the Red Planet by the Phoenix probe, along with ‘messages to the future’ by various luminaries of space exploration and advocacy for the edification of future inhabitants. Let’s hope their playback device isn’t region-locked, eh?