Christmas science stories with Dr Chris Smith and the Naked Scientists. Plus a look at some of the best computer games you can play across Christmas. The science of champagne, a look at the light ...

Perhaps the flat delivery, the Christmas word salad and the elementary melody tipped you off to the computer-generated nature of this performance. It's from a team at the University of Toronto ...

Their Christmas song may offer some listeners a welcome break from the time-honored classics, but Yule carolers probably won't be singing "I've always been there for the rest of our lives" anytime ...