It was here, in 1929, that researchers discovered a nearly complete ancient skull that they determined was roughly half a million years old. (showcase.casw.org)
To test this hypothesis, I began a study of ancient skulls of persons who necessarily would have been exclusively breastfed. (brianpalmerdds.com)
A study of ancient skulls found in Brazil reveals that human migration occurred in Americas through two waves of human population. (techtimes.com)