The tooth enamel of the Atapuerca hominids grew faster than in modern humans
(PHYSorg.com Archaeology & Fossils)

The CENIEH has conducted the first study which tackles counting the two types of enamel growth lines, in Lower Pleistocene and Middle Pleistocene populations in Europe. The data obtained in this research, together with those from other studies under way, could constitute the first solid evidence showing that the hominids from the Sierra de Atapuerca reached maturity earlier than modern humans