Broad faces signal aggression

Men and women with strong, broad faces are generally more aggressive than those with narrow, finer features, research shows.

Furthermore, men with this characteristic - also known as a higher facial width-to-height ratio (fWHR) are more likely to have domineering personalities.

Physical aggression, verbal aggression and anger are common traits in both broad-faced males and females, write the researchers in the journal Biology Letters.  But hostility