Jack and Jill went up the hill. To fetch a pail of water. Jack fell down and broke his crown. And Jill came tumbling after. First of all, we are not sure there’s enough clarity in this text. Scientific literature, in particular, should leave little room for confusion. Where exactly did Jack fall down? Into the well? A little ways down the hill? All the way down the hill? It’s just too vague. Worst still, we’re not convinced that the science conducted is of high enough caliber. I mean really, who would be stupid enough to put a well on…