Coolest fraternity and hottest sorority

What is the coolest fraternity at Duke? and hottest sorority? [3577A]

Why is there always so much interest in the coolest and hottest?  If I could do it all over again, I’d pledge Tepid Tepid Tepid!  I was, in fact, an unofficial member of Delta Delta Delta Delta Delta Delta Delta Delta Delta, the mascot so to speak.