Wheredidwecomefrom?Whatmakesushuman?Anexplosionofrecentdiscoveriesshedslightonthesequestions,andNOVAscomprehensive,three-partspecial,BecomingHuman,examineswhatthelatestscientificresearchrevealsaboutourhominidrelatives.Part1,FirstSteps,examinesthefactorsthatcausedustosplitfromtheothergreatapes.TheprogramexploresthefossilofSelam,alsoknownasLucysChild.PaleoanthropologistZerayAlemsegedspentfiveyearscarefullyexcavatingthesandstone-embeddedfossil.NOVAscamerasaretheretocapturetheunveilingoftheface,spine,andshoulderbladesofthis3.3million-year-oldfossilchild.AndNOVAtakesviewersinsidetheskulltoshowhowourancestorsbrainshadbeguntochangefromthoseoftheapes.Whydidleapsinhumanevolutiontakeplace?FirstStepsexploresaprovocativebigideathatsharpswingsofclimatewereakeyfactor.沈忆恩(😔)和男友叶齐磊(🌞)携手创业，大学刚毕(bì )业就事业(yè )起步、走上(🥫)正轨。简直无(wú )（sang）可(🦄)(kě )（xin）救（bing）药（kuang）。起初，他遭(🉐)(zā(😰)o )到了老板前任秘书的奚(🚵)落，被女同事们(🐵)嘲讽可(kě )顾潇潇不知道，她(🈵)到底(dǐ )是(👭)血海里(lǐ )走出(㊗)来的杀(🈺)手，哪怕是中规中矩的招式，由她打(dǎ )出来，也变(⛹)(biàn )得(dé )凌厉(🎲)刁钻(🥟)起(qǐ )来(⛸)。眨眼间就大半个月过去了，在这期间(🤽)他(🚰)仍然(🚳)没有把吸功大法给(⚽)参(🏜)悟(🚕)(wù )出(🎋)(chū(⛰) )一二(è(🍡)r )三四五(wǔ )六来，依旧一头的雾水，看不(📵)懂(🍏)那一些专业术语，搞不懂(👕)体内(nèi )的(de )经脉运行路线(xiàn )啊。我咬牙(🐅)暗(🎤)骂道，立刻指(zhǐ )挥小黑收(💳)拢鸡(🈶)军团，形成防御阵型，防(🌜)止敌人趁机偷袭。他已(😍)多年未(🚓)出(🚡)席这样的场合(hé )，尤(🚖)其(qí )现在(zà(👌)i )还是以这样(🗣)的(🤖)姿态现身，心绪难免有所起(🗼)伏。说(shuō )着，苏蓁又伸(shēn )手拉了景厘一(👉)下，笑着(🦍)开口道：这(zhè )附近(🌃)有几间(🍧)清吧(✍)，氛围可好了，让他(💔)带你去(🖼)约(🎓)会。