This programme explores the way our experiences shape our minds and bodies as we make the journey from the most helpless to the most sophisticated organism on earth. Dr Chris and Dr Xand van Tullekan uncover how we develop new skills - whether riding a bike or learning to walk.

Over your lifetime you undergo an extraordinary change - no other animal on earth goes through such a dramatic metamorphosis. In this programme, Chris and Xand van Tulleken explore the latest understanding of how we all grow.

In this programme, Drs Chris and Xand van Tulleken discover the everyday miracles that keep you alive. They explore the extraordinary lengths our bodies go to in order to keep our organs working at every moment of every day.