人类进化1:混沌初开

  • Zeresenay Alemseged Michel Brunet Peter de Menocal
  • 120分钟
  • Wheredidwecomefrom?Whatmakesushuman?Anexplosionofr… Wheredidwecomefrom?Whatmakesushuman?Anexplosionofrecentdiscoveriesshedslightonthesequestions,andNOVA'scomprehensive,three-partspecial,"BecomingHuman,"examineswhatthelatestscientificresearchrevealsaboutourhominidrelatives. Part1,"FirstSteps,"examinesthefactorsthatcausedustosplitfromtheothergreatapes.Theprogramexploresthefossilof"Selam,"alsoknownas"Lucy'sChild."PaleoanthropologistZerayAlemsegedspentfiveyearscarefullyexcavatingthesandstone-embeddedfossil.NOVA'scamerasaretheretocapturetheunveilingoftheface,spine,andshoulderbladesofthis3.3million-year-oldfossilchild.AndNOVAtakesviewers"insidetheskull"toshowhowourancestors'brainshadbeguntochangefromthoseoftheapes. Whydidleapsinhumanevolutiontakeplace?"FirstSteps"exploresaprovocative"bigidea"thatsharpswingsofclimatewereakeyfactor.

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