人类进化1：混沌初开

内容简介：
Wheredidwecomefrom?Whatmakesushuman?Anexplosionofrecentdiscoveriesshedslightonthesequestions,andNOVA'scomprehensive,three-partspecial,"BecomingHuman,"examineswhatthelatestscientificresearchrevealsaboutourhominidrelatives. Part1,"FirstSteps,"examinesthefactorsthatcausedustosplitfromtheothergreatapes.Theprogramexploresthefossilof"Selam,"alsoknownas"Lucy'sChild."PaleoanthropologistZerayAlemsegedspentfiveyearscarefullyexcavatingthesandstone-embeddedfossil.NOVA'scamerasaretheretocapturetheunveilingof