A look at what sort of materials can be printed and dyed and how the process works.
Sahera Chohan brings back some of the guests from other programmes to build their own website.
Former terrorist Billy Hutchinson talks about his belief that integrated schools are the key to peace in Northern Ireland.
A look at the subject of Genealogy.
Dr John Comrack explains to Quentin Cooper that peppermints and willow trees all contain a product similar to aspirin.
