Teacher David Sherrin presents an exercise called "Sorting People" to his 9th graders at the Facing History School. The outcome? Well, have a listen. How accurately can you guess a person's background from their appearance? Reporter Ali Abbas takes us to Baghdad, where that question has become an issue ...
Our genes are nearly all the same, but that hasn't made race meaningless. This hour, Radiolab asks what race is, and whether it's fixed or fluid, genes or culture?
