Just can't manage to nail down the subjunctive tense in French or the difference between the Spanish verbs for "to be"? Blame your Heschl's gyrus - or at least your left one, anyway. That is a tiny part of the brain that appears to play an important role in how well adults can learn another language, a new study finds.
Full story at http://www.iht.com/articles/2007/08/08/arts/snvital.php