There can be a science to joke writing, there are certainly rules and patterns that can be followed, but I think most of the best comedy goes beyond the rules.

We as human beings like to be cocksure and certain.

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.

To be paid, to be employed to be an enthusiast and be excited about existence is fantastic.

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.

If the Royal Variety Show was put in a matter transportation machine with the Royal Institution Christmas lectures, this is what you'd get.

I thought I better warn you that I am not one of those politically correct comedians, but it turns out that also I'm not really that racist, homophobic or woman hating either, so you might not notice