Wheredidwecomefroccc?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.
2024-07-16 23:07:06，最后更新于 4月前
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