A 7.2-million-year-old thigh bone unearthed at the fossil site of Azmaka in southern Bulgaria displays a mosaic of features suggesting a unique combination of locomotor capabilities, including aspects of terrestrial quadrupedalism and bipedalism, according to a research team led by Professor Madelaine Böhme from the Senckenberg Centre for Human Evolution and Palaeoenvironment at the University of Tübingen. The paleoanthropologists have tentatively...
