The Chicken or the Egg?

This is the final episode of series 4. Today we're going to be answering your burning, mind-boggling questions. We've assembled a top team of experts to help us out here and give you the answers that you're looking for. So what do you say, Danny? Ready to solve some more mysteries? I'm definitely up for it. Let's do it. This is mysteries of science. Sorry, sorry. No, I think it was your line that's quite exciting. You struck me as a massive chicken. I'm going egg. But luckily we've got somebody who will tell us which one of us is right. Do you know what Dan? I'm actually