In space no one can hear you scream - but they can hear you sing

Credit to Canadian astronaut Chris Hadfield for marking his last day in charge on board the International Space Station by performing David Bowie's 'Space Oddity'. A slightly curious choice of song, actually, given the gloomy subject matter (needless to say, he changed the lyrics) and the fact that he's got the moustache to pull off a Freddie Mercury impersonation...