Siberian Neanderthals originated from various European populations
(PHYSorg.com Archaeology & Fossils)

At least two different groups of Neanderthals lived in Southern Siberia and an international team of researchers including scientists from Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have now proven that one of these groups migrated from Eastern Europe. The researchers have now published their findings in the journal Proceedings of the National Academy of Sciences of the United States of America (PNAS).