My wife could turn to me and she may say, 'Why do you love me?' And I can with all honesty look her in the eye and say, 'Because our pheromones matched our olfactory receptors.'

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

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

As much as of course that Englishness of always to be embarrassed about any sense of complement, it is nice to know that a lot of the projects that I've worked on that people do feel there has been some effect.

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.

We very quickly forget about the wonderful things we've got. People lose their excitement because there's too much. Basically we're experiencing nothing, because everything is available to us.