You Are Not So Smart: Why You Have Too Many Friends on Facebook, Why Your Memory Is Mostly Fiction, and 46 Other Ways You're Deluding Yourself

by David McRaney

eye-tracking computer programs clearly showed both sexes first looked at the face and then moved around the hip area to see the telltale signs of gender. Her research also showed when men were asked to rate attractiveness they were drawn to a .70 waist. But they were drawn to waists of .60 and .50 even more.