13:15Redesigning the Human BodyEpisode 1: A Spare Pair of Arms and Eyes in the Back of My HeadBBC Radio 4 Extra Duration: 15 minutes Sun 30th Oct 2011, 13:15 on BBC Radio 4 ExtraDiscovering how the body might work if we had a go at remaking ourselves, Len Fisher picks up some tips from the animal kingdom.GenresFactualScience & NatureNature & EnvironmentSeriesRedesigning the Human Body Source: BBC Online