International audienceWhy is it that men of genius are all melancholic? Why is it that some children start to talk abnormally early? And why is man the only animal that suffers from nose bleeds? These questions, among many others, can be found in Aristotle's Problems, a large compilation of questions and answers on a variety of subjects ranging from medicine to physiology, meterology, astronomy, mathematics, and music, to ethics. Translated from Greek into Latin between 1258 and 1266, the Problems were read, cited and commented upon in the 14th century, but never officially included in the Arts curriculum. Peter Abano's commentary, finished in 1310, quickly became recognized as the standard gloss. This hegemony is confirmed by the first tex...