Who are we? Where do we come from? What does it mean to be human?

For thousands of years, such questions have been explored through philosophy and religion, but the answers now seem to lie firmly within the grasp of science. By peering deep into our past and dragging clues out into the light, we can now have some of the answers to the world and our place within it.

From the first spark of life on Earth 3.8 billion years ago, Professor Alice Roberts tracks the evolution and connectivity of all living things.

This is the story of us, From Cell to Civilisation.