Since the discovery, researchers spent more than two years meticulously studying the remains of a million-year-old face. They tried to find out which species of ancient human they belonged to, and understand their lives and environment
In the first study, Mateja Hajdinjak and team from the Max Planck Institute for Evolutionary Anthropology (MPI-EVA) in Leipzig, Germany, examined oldest tooth and fragmentary remains of three individuals from Bacho Kiro Cave
