11.50 Introducing Combinatorics
What is graph theory and where can It be applied? It helps with the four-colour map problem, the construction of trucks. the building of pipelines, and studying helium - to name but a few.
12.15 It's a Matter of Opinion
Does punishment mark a child for life? Eminent psychologists Sigmund Freud and B. F. Skinner agree that it can. but fer different reasons.