 He then takes them to the Jurassic Coast in Dorset to search for fossils, hoping that the students can see some of the evidence for themselves.Dawkins also visits the place of his birth, Nairobi, where he interviews a prostitute who seems to have a genetic immunity to HIV, and talks to microbiologist Larry Gelmon.He goes on to predict that genetic immunity is a trait that will become more prevalent in the community over time.