Mattias Jakobsson from Uppsala University in Sweden analysed genetic material from eight Stone Age human skeletons found in El Portalón Cavern in Atapuerca, northern Spain.
Mattias Jakobsson saking universitas Uppsala ring Swedia nitenin indik materi genetic saking kutus kerangka manusa duk Zaman Batu sane kapanggihang ring Gua El Portalón di Atapuerca, Spanyol Kaler.