@ColinTheMathmo depends on the target demographic. If the target is your Average Joe then the second sounds more interesting, where if you're appealing to smart people then the former sounds more interesting.
@ColinTheMathmo they would be in the smart group. Discuss the mobius strips IMO.
@Demosthenes OK, one vote for "Maths in a Twist".
I wonder how the vote will go.
(Also asked on Twitter and Facebook)
@Demosthenes Hmm. These are people choosing to "attend" a pair of "Christmas Lectures" being given by a Maths Society. Which demographic would you expect them to fall into?