We are on the brink of seismic changes in the ways we live and die: babies grown in artificial wombs; lab-produced meat; sex robots able to hold polite conversation; and being able to choose to end our days with the perfect, painless death. Might these advances in technology serve to rob us of our humanity? Taking a look at what the future might have in store, Jenny Kleeman seeks out the people who are driving some truly amazing (and perhaps worrying) innovations.