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.

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.

Once you start looking at the world rationally, it becomes much more exciting.

Homeopaths do not have a physical brain, but merely 'skull water' with the memory of brains.

I am not man or beast; I am bibliosexual, and a seedy bibliosexual who haunts the streets, laden with carrier bags held by blistered fingers, stooping under the weight of the rucksack that has brought on sciatica and a Dickensian demeanour.

I have spent a reasonable percentage of my life in libraries - I like the hush.

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