In the late 1980s, Dr Karl Kruszelnicki was happily working in his "dream job" as a doctor at the Royal Alexandra Hospital for Children in Camperdown, NSW, and doing a little broadcasting on the side, talking about science on the ABC's triple j radio station. Dr Karl Kruszelnicki was first heard on ABC radio station triple j in 1981 when he provided expert commentary on the Space Shuttle launch. ( ABC Archives ) He may well have continued with a career in paediatric medicine had it not been for the death of a baby which had a profound effect on...