How did life begin? What was 'snowball earth'? Why did the dinosaurs become extinct? Are we all descended from 'African Eve'? Will humans be responsible for the next major extinction? These and many other fundamental questions are addressed in this masterly account of The Story of Life, by eminent biologist and teacher Richard Southwood.The story unfolds with the formation of the earth around four thousand million years ago. Life first emerged a hundred million years later, and it took another fifteen million years for more complex life-forms to appear. Periods of relative calm were punctuated