人类进化3:脱颖而出

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  • In"LastHumanStanding,"thefinalprogramofthethree-pa… In"LastHumanStanding,"thefinalprogramofthethree-partseries"BecomingHuman,"NOVAexaminesthefateoftheNeanderthals,ourEuropeancousinswhodiedoutasmodernhumansspreadfromAfricaintoEuropeduringtheIceAge.DidmodernhumansinterbreedwithNeanderthalsorexterminatethem?TheprogramexplorescrucialevidencefromtherecentdecodingoftheNeanderthalgenome. Howdidmodernhumanstakeovertheworld?NewevidencesuggeststhattheyleftAfricaandcolonizedtherestoftheglobefarearlier,andfordifferentreasons,thanpreviouslythought.AsforHomosapiens,wehaveplanetEarthtoourselvestoday,butthat'saveryrecentandunusualsituation.Formillionsofyears,manykindsofhominidsco-existed.AtonetimeHomosapienssharedtheplanetwithNeanderthals,Homoerectus,andthemysterious"Hobbits"–three-foot-highhumanswhothrivedontheIndonesianislandofFloresuntilasrecentlyas12,000yearsago. "LastHumanStanding"examineswhy"we"survivedwhilethoseotherancestralcousinsdiedout.Anditexplorestheprovocativequestion:Inwhatwaysarewestillevolvingtoday?