How will nano weapons of the future kill specific DNA sequences? There is a call to ask scientists to sign an agreement whereby they will promise not to experiment with nano weapons that can attack certain ethnic groups. What if rogue countries encourage their scientists to experiment with ethnic bombs that can skill humans or animals of certain skin-colour or eye-colour or hair-colour. Jonar speaks with Walkley-Award winning journalist Ghassan Nakhoul. This broadcast is spoken in Arabic.