When did science first capture your imagination?

So I think most scientists are slightly weird in some way, and I think that's a good thing.

We want to be weird.

Being normal is absolutely rubbish.

It's quite boring.

It's not cool.

I was a weird kid as well.

Final brain box question: At the end of your career, what big scientific question would you most love to see answered?

So what has happened in between then and now?

So Dolly was over 20 years ago now, and you're right.

It's one of these areas that's driven by cutting-edge science.

that hasn't really progressed a huge amount.

And partly, I think, I don't know the answer to this, I think partly there's a big aspect of public perception.

So funding and scientific discoveries are very often driven by a need within and across our society.

We don't need clones.

So talk to us about the process of cloning, what it actually involves for a