If you really want space on public transport you should carry some pornography from the 1970s and a pair of children's safety scissors, then delicately cut out all the eyes of the glamour models whilst whistling. Every now and again mutter, 'Why are women more beautiful when they are eyeless?' You will be able to stretch out, though this can have ramifications such as ending up on a police list or being run out of town.

They gave 12 monkeys a typewriter for a week, and after a week, they only used it as a bathroom.

Wherever you are on Earth, there is more life present than in the rest of the known universe.

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.

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 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.