2007

"Most recent common ancestor" (2007)

Wikipedia

John Noble Wilford, "Skull Supports Theory of Human Migration" (2007)

"The New York Times" Published: January 12, 2007; http://www.nytimes.com/2007/01/12/science/12skull.html?_r=2&ref=science&oref=slogin&oref=slogin