Science is very cross-generational; you're not just aiming it at twentysomethings, or eightysomethings. Every town's got a really broad selection of people and age groups interested in science.

The worst, the most difficult thing I think is that the more you become intrigued by science and the information is out there, the more you are aware of the paucity of your own knowledge.

Not since Jimmy Carr have I seen a cold computer programme on stage generate so much laughter.

I don't have any hobbies because my working job is my hobby. What I do is I spend my whole time looking through telescopes and having brain scans and buying books about various different ideas and I just sit around, that's my life.

Life, to me personally, I believe it is a finite thing, my consciousness, and I want to use it as much as possible.

I want to create shows which are interesting. I hope that some people are excited by some of the ideas.

I have a theory that evolutionary biologists are more vain than particle physicists.