Cats and dogs are a very good window into the natural world: a chance to see how another species lives and deals with its problems, what they like and what they don't like.

People didn't think animals thought or remembered or had minds! They most certainly do: any pet owner knows more than a lot of scientists about animals.

Cats and dogs are a very good window into the natural world: a chance to see how another species lives and deals with its problems, what they like and what they don't like.