Ancient Antarctic ice cores & is a sense of humour genetic?

In this edition of The Naked Scientists: Scientists get their hands on the oldest ice on Earth, and we've been to see it, but what's it going to reveal? Also, measles is on the up, again; we find out why. And, is humour genetic? We talk to the scientist who has studied hundreds of pairs of twins to find out! Like this podcast? Please help us by supporting the Naked Scientists