Richard Dawkins

I live in a post-Christian world in Oxford; it is quite rare to meet somebody who is religious in academic life now, and there is absolutely no tendency for rioting and mayhem, and it is extremely civilised.

The leg system of the beach animals works because of a combination of certain lengths of tubes. Because of the proportion of lengths, the animals walk smoothly. You could say that this range of numbers is their genetic code.

What do cells do when they see a broken piece of DNA? Cells don't like such breaks. They'll do pretty much anything they can to fix things up. If a chromosome is broken, the cells will repair the break using an intact chromosome.