This week the Naked Scientists go virtual! We'll be hearing how a new computer system can accurately gauge your age from a mugshot, we come face to face with the painting fool, a computer that can read - and then paint - your emotions, and we find out what's still lurking on your hard disc, even after you think you've wiped it. We also unveil Second Naked Scientists - our home in Second Life - and get stuck into a new molecular glue designed to replaces surgical stitches and staples. Plus, in Kitchen Science, Ben and Dave embark on a far from fruitless mission to charge an MP3 player with an... Like this podcast? Please help us by supporting the Naked Scientists)