What does the infamous face transplant in France in 2005 share with the examination of "swollen faces" in Latin America in the 1930s? What does blood transfusion in Europe during the 17th century have in common with the discovery of mosquitoes as parasitic vectors in China at the close of the 19th century? And, last, how does the reconstruction of noses using skin flaps in Bologna in the 16th century relate to the opening of a forehead cyst in Guatemala...