A 3 . 3 million - year - old skeleton of the earliest child ever found shows the ancient ancestor of modern humans walked upright but may also have climbed trees , scientists said on wednesday 迄今为止发现的最早的一具330万年前的幼童化石显示，现代人类的远祖已经直立行走但还可能象猿那样爬树，科学家周三宣布。
A 3 . 3 million - year - old skeleton of the earliest child ever found shows the ancient ancestor of modern humans walked upright but may also have climbed trees , scientists said on wednesday 迄今为止发现的最早的一具330万年前的幼童化石显示，现代人类的远祖已经直立行走但还可能（象猿那样）爬树，科学家周三宣布。
Remains 1 of earliest child discovered in ethiopia a 3 . 3 million - year - old skeleton 2 of the earliest child ever found shows the ancient ancestor 3 of modern humans walked upright 4 but may also have climbed trees scientists said on wednesday 迄今为止发现的最早的一具330万年前的幼童化石显示，现代人类的远祖已经直立行走但还可能象猿那样爬树，科学家周三宣布。
The child ' s skull eventually fell out of the nest , only to be found almost 2 million years later . placing us on the eagle ' s menu may also explain other aspects of human evolution , from walking upright , which could present a smaller target to an aerial attacker , to our tendency to live in groups . " these birds would have been after the most vulnerable members of the group , " berger said , a scenario which may have triggered collective measures of protection 来自南非约翰内斯堡的威特沃特斯兰德大学古人类学家伯杰博士分析说，老鹰很可能将“汤恩小孩”叼到鹰巢中为食，并啄出其眼睛吃掉最后， “汤恩小孩”的头骨从鹰巢中掉出， 200万年后才被人发现。
A younger near complete hominid skeleton named lucy by its discoverers and a set of remarkably preserved footprints in hadar , tanzania revealed more about their appearance and one of their most distinctive traits : even the earliest hominids could walk upright on two legs 更加年轻的近的完全原始人类的骨骼由它的发现者和一套卓越地被保存的脚印在hadar ,坦桑尼亚命名lucy显露了更多关于他们的出现和他们的最特别的特征的当中一个:甚而最早期的hominids能走挺直在二条腿。
