mercoledì 27 maggio 2015

NYT Science: Adding Branches to the Human Family Tree

Adding Branches to the Human Family Tree
By CARL ZIMMER

Recent fossil discoveries are fanning debate over the pace of evolution and how many species of ancient human relatives there were.

Published: June 2, 2015 at 06:00AM

via NYT Science http://ift.tt/1dyDUAc