We are now on the third match of the quarter-finals, but as Paxman keeps reminding us in increasingly roundabout ways, we will see all the teams at least one more time. With that in mind, we have Durham vs Strathclyde battling it out to get their first of the two wins needed to progress. Will Durham's knowledge of French loanwords, the French Third Republic, and stains get them through, or can Strathclyde rely on their knowledge of material science and mathematics? Listen on to find out, as well as how Yvonne first learnt about US states.