Editing Historical revisionism (section)

=== Developments in other fields of science ===
[[DNA]] analysis has had an impact in various areas of history either confirming established historical theories or presenting new evidence that undermines the current established historical explanation. Professor [[Andrew Sherratt]], a British prehistorian, was responsible for introducing the work of anthropological writings on the consumption of legal and illegal drugs and how to use the papers to explain certain aspects of prehistoric societies.<ref>{{cite news|url =https://www.independent.co.uk/news/obituaries/professor-andrew-sherratt-6107494.html|title= Obituaries: Professor Andrew Sherratt |work =[[The Independent]]|date= March 6, 2006|first = Paul|last = Halstead}}</ref> [[Carbon dating]], the examination of [[ice core]]s and [[tree rings]], [[palynology]], [[scanning electron microscope]] analysis of early metal samples, and measuring [[oxygen isotopes]] in bones, have all provided new data in the last few decades with which to argue new hypotheses. Extracting [[ancient DNA]] allows historians to debate the meaning and importance of race and indeed current identities.<ref>Christine Kenneally, ''The Invisible History of the Human Race: How DNA and History Shape Our Identities and Our Futures'' (2014)</ref>