Fundamentally not to waste energy. If we were all to reduce our demands for energy, it would make an enormous amount of difference.

I am an ardent recycler. I would like to think that it works. I don't know whether it does or not.

The question is, are we happy to suppose that our grandchildren may never be able to see an elephant except in a picture book?

Life is not all high emotion. Some of the most interesting things are when its not highly emotional: little details of relationships and body language.

All life is related. And it enables us to construct with confidence the complex tree that represents the history of life

Natural history is not about producing fables.

No, not a feminist. I'm a humanist. I'm neither one side nor the other.