If you visit the movies much, you'll know just how full of stereotypes they are. Heroines in romantic comedies are invariably sweet-faced and girly. Male action heroes are invariably square-jawed and beetle-browed. For instance, would hard man Russell Crowe have been quite as convincing hacking his way through an arena in the film Gladiator had he been born baby-faced and weak-chinned? Perrett is investigating how the features of a person's face shape how we think of them. His technique of digitally manipulating faces first attracted attention four years ago, when he showed that women prefer more masculine faces during the fertile period of their menstrual cycle.
How The Human Face Might Look In 100,000 Years
Human Differentiation: Evolution of Racial Characteristics
Acromegaly is a disorder characterized by an enlarged face and hands. As the face changes shape, the jaw may protrude, the nose may enlarge, and the lips may thicken. Acromegaly is a hormonal disorder that develops when your pituitary gland produces too much growth hormone during adulthood. When this happens, your bones increase in size, including those of your hands, feet and face.
Robert Chelsea turned down the first face he was offered. It was a fine face, one that could have taken him off the transplant waiting list after just a couple months. But Chelsea—severely disfigured after a catastrophic car accident five years earlier—was in no hurry. He knew how to respond compassionately to children who stared in shock and fear.
Studying sex differences seldom gets boring. For most of our evolutionary past, bigger men fended off rivals for female attention and out-competed other men to secure status and resources that made them useful contributors to a family. These advantages offset the energetic costs and higher disease risk of building a bigger body. But what of other manly features? What use is masculine hairiness?