My father used to say that, through culture, humans effectively domesticated themselves.

The greatest problem we face is the growing number of people living in poverty. The related sense of hopelessness has to be impacting on every part of environmental management.

When out fossil hunting, it is very easy to forget that rather than telling you how the creatures lived, the remains you find indicate only where they became fossilized.

I have been raised to believe in freedom of thought and speech. If a minority wishes to accept that position it's their right. What I fear is that this minority may seem to be larger than it truly is. What is strange is that there are still people who believe the world is not a globe.

My father used to say that, through culture, humans effectively domesticated themselves.

To me it's a question of being able to look backward and give the present a root... To give meaning to where we are today, we need to look at where we have come from.

To have arrived on this earth as a product of a biological accident, only to depart through human arrogance, would be the ultimate irony.