Three video links all about relevancy of mathematics. Oh, and its Donald Duck, so who doesn’t love that?
Part 1: http://www.youtube.com/watch?v=P_ssR7M5Px0
Part 2: http://www.youtube.com/watch?v=X_tyRPerr6c
Part 3: http://www.youtube.com/watch?v=QifFucusbR4
Available to own from amazon.com and many other online retailers for about $40 new. The price is cheaper if you buy it used, but students can watch it here for free