I ... believe the study of human history remains important and should not be banned. We should ensure that any archaeological studies are conducted with sensitivity and respect. Reburying relics, in my view, does not help anyone go anywhere.

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

Sadly, I am not able to take part in the fieldwork myself so much anymore, as both of my legs were amputated following an airplane crash twelve years ago.

We hope to find more pieces of the puzzle which will shed light on the connection between this upright, walking ape, our early ancestor, and modern man.

The elephants were being slaughtered in masses. Some were even killed in the vicinity of big tourist hotels.

The whole story is about change. We are very lucky that the earth's history is recorded in fossilized remains. And we can see the changes. Unfortunately, there will always be gaps in our knowledge, but there is no doubt that we and everything living today has evolved.

It is virtually impossible to control Northern Kenya, which is populated chiefly by migrant nomads.