A new study shows that people - men and women - can accurately judge another person's fighting ability (based upon upper body strength) by looking at their face . . . http://www.sciencedaily.com/releases/2008/10/081022135809.htm . . . it seems that testosterone levels are shown through the bridge of the brows and the line of the chin and this correlates very very highly with upper body strength which would have been an indicator for fighting ability for pre-technological man. The ability to ju