National Poetry Day: unlock the mathematical secrets of verse - Telegraph: "Robert Frost put it neatly when he wrote that 'Poetry without rules is like tennis without a net'. Poetry, in other words, is mathematics. It is close to a particular branch of the subject known as combinatorics, the study of permutations..." (Steve Jones)
Steve Jones makes poetry sound rather bloodless. If he wrote something it would be as solid as a concrete block and would float likewise, I think. Includes a nice quote from Robert Frost: 'Poetry without rules is like tennis without a net'.