In the Baboon community, it is not how strong you are that is important, but who you know that counts

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.

If we were all to reduce our demands for energy, it would make an enormous amount of difference.

You'll discover in countries where women have control over their own bodies, where they have education, where they have birth control, where they have facilities and where they are literate, when those things happen, the birth rate falls.

I just wish the world was twice as big and half of it was still unexplored.

It was regarded as a responsibility of the BBC to provide programs which have a broad spectrum of interest, and if there was a hole in that spectrum, then the BBC would fill it.

Opponents say natural selection is not a theory supported by observation or experiment; that it is not based on fact; and that it cannot be proved. Well, no, you cannot prove the theory to people who won't believe in it any more than you can prove that the Battle of Hastings took place in 1066. However, we know the battle happened then, just as we know the course of evolution on earth unambiguously shows that Darwin was right.