Neanderthals Homo floresiensis Homo Sapiens Bipedalism Endurance Running Dietary Habits Hominins Homo Erectus Australopithecus afarensis Music Evolution Homo sapiens Neanderthal Behavior Absorption into Modern Human Population Fossil Record Lateral Fabella Paleoanthropology Dental Development Australopithecus Language and Music Evolution Paleontology Hominin Interaction Hominid Species Hominin Species Species Coexistence Paranthropus boisei Vestigial Structures Intelligent Life Intelligence Evolution Neanderthal DNA Brain Development Archaic Hominins Anatomically Modern Humans Environmental Factors Africa Denisovans Body Clock Genes Human Endogenous Retroviruses Early Humans Iberomaurusians Common Ancestor Migration Primate Genome Structure Brain Growth Mathematical Modeling Ancestral Relationships Ecological Niche Metabolic Demand Physical Activity