It's the next annihilation of vast numbers of species. It is happening now, and we, the human race, are its cause

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.

Echoing the criticism made of his father's habilis skulls, he added that Lucy's skull was so incomplete that most of it was 'imagination made of plaster of Paris', thus making it impossible to draw any firm conclusion about what species she belonged to.

Climate change: We have never faced a more critical time on our planet

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

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.

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.