At moments in Dominique Strauss-Kahn’s hearings, his eyebrows have stolen the show, their dark furriness accentuating a quizzical or pleased expression. How is it possible that they stay so black, when the rest of his hair went white long ago? Read the scientific answer here. In the meantime, take a look at other famous men through the ages whose eyebrows have refused to lighten at the same rate as the rest of their hair.