剧情介绍
Wheredidwecomefrom?Whatmakesushuman?Anexplosionofrecentdiscoveriesshedslightonthesequestions,andNOVA'
scomprehensive,three-partspecial,"BecomingHuman,"examineswhatthelatestscientificresearchrevealsaboutourhominidrelatives.Part1,"FirstSteps,"examinesthefactorsthatcausedustosplitfromtheothergreatapes.Theprogramexploresthefo...