Professor Ian Barnes and Dr Selina Brace, ancient DNA researchers at the Natural History Museum in Lopndon, discuss how their work on ancient DNA is shedding light on the British population from the Mesolithic to the Bronze Age.Part of our special series from the 2019 Galton Institute Symposium - New Light on Old Britons.Presented and produced by Georgia Mills for First Create The Media.More info at GeneticsUnzipped.comFollow us on Twitter @GeneticsUnzipVisit the Galton Institute website to find out more about the society and its work. and follow them on Twitter @GaltonInstitute