Nicholai watched in amusement as the other boys became excited with the idea of vine-swinging all seeming to forget momentarily house rivalry, the gender segregation and the Ministry interference of this term. It was refreshing to see a class which combined learning and fun; considering there hadn't been alot of either.

He shook himself slightly as he weirdly found himself smiling at Maddox Darcy for the other boy's excitement; he quickly blanked the expression from his face and looked down at his book. Reading over the notes he had taken thus far in the class he frowned and raised his hand.

“Excuse me Professor; If only trace amounts of Iron Pyrite in soil is sufficient to neutralize the plants; if there is a significant amount of Iron Pyrite does it affect the plants any differently?”

He added another question musingly; his mind half on the lesson and half elsewhere.

"And if the plants were bred to have a weakness to Iron Pyrite, could they not also be bred for some other weakness and even perhaps have the weakness to Iron Pyrite bred out of them?”