Who We Are and How We Got Here: Ancient DNA and the New Science of the Human PastMassive technological innovations now allow scientists to extract and analyze ancient DNA as never before, and it has become clear in part from David Reich's own contributions to the field that genomics is as important a means of understanding the human past as archeology, linguistics, and the written word. Now, in The New Science of the Human Past, Reich describes just how the human genome provides not only all the information that a fertilized human