Information imposes certain criteria on how it can be stored.

Language changes very fast.

It is an occupational risk of biologists to claim, towards the end of their careers, that the problems which they have not solved are insoluble.

Societies depend on agreed rules.

The evolution of sex is the hardest problem in evolutionary biology.

As an evolutionary biologist, I have learned over the years that most people do not want to see themselves as lumbering robots programmed to ensure the survival of their genes. I don't think they will want to see themselves as digital computers either. To be told by someone with impeccable scientific credentials that they are nothing of the kind can only be pleasing.

Darwin's theory of evolution by natural selection is the only workable explanation that has ever been proposed for the remarkable fact of our own existence, indeed the existence of all life wherever it may turn up in the universe.