General blog about anything and everything of everyday's life.
30. Nov 2020
October 12, 2014by Shams
A composite image shows the facial differences between an ancient modern human with heavy brows and a large upper face and the more recent modern human who has rounder features and a much less prominent brow. The prominence of these features can be directly traced to the influence of the hormone testosterone. Photo Credit: Robert Cieri, University of Utah