According to a team of palaeontologists at the Natural History Museum, the human face holds the secret to determining the sex of our ancestors and what makes us attractive to the opposite sex.
The study found that men have evolved short faces between the brow and upper lip, which highlights the flare of their cheeks, the size of their jaw and their eyebrows. The broader and shorter male face has also evolved alongside and the canine teeth have shrunk, so men look less threatening to rival competition, yet attractive to mates.
The researchers find that at puberty, the area between the mouth and eyebrows, known as upper facial height, develops differently in men and women. Unlike other facial items, however, this difference cannot be explained simply in terms of men being bigger than women.
In spite of their larger size men have an upper face similar in height to a female face, but much broader. These differences can be found along all human history. As a conclusion, a simple ratio of measures could be used to calculate facial attractiveness in a biological and mathematical way.
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